CN103452699A - Reflux extreme pressure ratio cycle engine - Google Patents
Reflux extreme pressure ratio cycle engine Download PDFInfo
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- CN103452699A CN103452699A CN2013103985640A CN201310398564A CN103452699A CN 103452699 A CN103452699 A CN 103452699A CN 2013103985640 A CN2013103985640 A CN 2013103985640A CN 201310398564 A CN201310398564 A CN 201310398564A CN 103452699 A CN103452699 A CN 103452699A
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- storage tank
- communicated
- cylinder piston
- piston mechanism
- working medium
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- 238000010992 reflux Methods 0.000 title claims abstract 9
- 230000007246 mechanism Effects 0.000 claims abstract description 140
- 239000000446 fuel Substances 0.000 claims abstract description 38
- 239000007800 oxidant agent Substances 0.000 claims abstract description 24
- 238000010304 firing Methods 0.000 claims description 77
- 230000001590 oxidative effect Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 abstract description 11
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 35
- 238000000034 method Methods 0.000 description 12
- 230000001914 calming effect Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- -1 hydrocarbon oxygen compound Chemical class 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The invention discloses a reflux extreme pressure ratio cycle engine, comprising a cylinder piston mechanism, a storage tank, an oxidizing agent supply device, a working media lead-out port and a fuel supply device, wherein a combustion chamber is arranged in a cylinder of the cylinder piston mechanism, is communicated with the storage tank through a supply channel, and is communicated with the storage tank through a return channel, and the oxidizing agent supply device is communicated with the combustion chamber through an oxidizing agent inlet; the fuel supply device is communicated with the combustion chamber through a fuel inlet, and the combustion chamber is communicated with the working media lead-out port; the pressure bearing capacity of the storage tank is greater than 0.5MPa; a reciprocating flow port is arranged on the cylinder of the cylinder piston mechanism; the supply channel and the return channel are integrated into a reciprocating channel communicated with the reciprocating flow port; the combustion chamber is communicated with the storage tank through the reciprocating channel. The storage tank supplies a pressurized working medium to the working cycle of the reflux extreme pressure ratio cycle engine provided by the invention, and supplies intake gas with a certain pressure and low temperature to the engine. The engine has the characteristics of high compression ratio, high efficiency and energy saving, and has broad application prospects.
Description
Technical field
The present invention relates to heat energy and power field, especially a kind of motor.
Background technique
Conventional engines generally be take atmosphere as the air inlet source, so the starting point pressure of compression process is lower, this not only affects the efficiency of motor, and has a strong impact on the specific power of motor.If can there is the not high air inlet again of certain pressure and temperature for motor provides, after the deduction intake work, also can effectively increase efficiency and the specific power of motor.
Summary of the invention
The invention provides that a kind of power is large, specific power is high, the backflow limit pressure ratio cycle engine of energy-conserving and environment-protective, concrete technological scheme is as follows:
Scheme one: a kind of backflow limit pressure ratio cycle engine, comprise cylinder piston mechanism, storage tank, the oxygenant feeder, working medium export mouth and fuel feeder, in the cylinder of described cylinder piston mechanism, firing chamber is set, described firing chamber is communicated with described storage tank through the feed passage, described firing chamber is communicated with described storage tank through loopback channel, described oxygenant feeder is communicated with described firing chamber through oxidant inlet, described fuel feeder is communicated with described firing chamber through fuel inlet, described firing chamber is communicated with described working medium export mouth, the bearing capacity of described storage tank is greater than 0.5MPa, establish the reversing current port on the cylinder of described cylinder piston mechanism, described feed passage and described loopback channel integrated setting are the reciprocal passage be communicated with described reversing current port, described firing chamber is communicated with described storage tank through described reciprocal passage.
Scheme two: on the basis of scheme one, described oxidant inlet is arranged on the cylinder of described cylinder piston mechanism, on described reciprocal passage or on described storage tank, described working medium export mouth is arranged on the cylinder of described cylinder piston mechanism, on described reciprocal passage or on described storage tank, and described fuel inlet is arranged on the cylinder of described cylinder piston mechanism, on described reciprocal passage or on described storage tank.
Scheme three: on the basis of scheme one, described oxidant inlet is arranged on the cylinder of described cylinder piston mechanism, described working medium export mouth is arranged on the cylinder of described cylinder piston mechanism, on described reciprocal passage or on described storage tank, and described fuel inlet is arranged on the communicating passage between described oxygenant feeder and described firing chamber, on the cylinder of described cylinder piston mechanism, on described reciprocal passage or on described storage tank.
Scheme four: in scheme one to three, on the basis of any one scheme, on described reciprocal passage and/or on described storage tank, cooler is set.
Scheme five: in scheme one to four on the basis of any one scheme, described backflow limit pressure ratio cycle engine also comprises attached acting mechanism, and the working medium entrance of described working medium export mouth and described attached acting mechanism is communicated with.
Scheme six: in scheme one to five, on the basis of any one scheme, working medium is set at described working medium export mouth place and derives control valve.
Scheme seven: in scheme one to six, on the basis of any one scheme, described backflow limit pressure ratio cycle engine also comprises the impeller type gas compressor, and described impeller type gas compressor is arranged on the communicating passage between described oxygenant feeder and described firing chamber.
Scheme eight: on the basis of scheme seven, described backflow limit pressure ratio cycle engine also comprises turbine, and described turbine is communicated with described working medium export mouth.
Scheme nine: on the basis of scheme eight, described turbine is to described impeller type gas compressor outputting power.
Scheme ten: on the basis of scheme seven, described cylinder piston mechanism is made as more than two; Described working medium export mouth is communicated with the described firing chamber in the cylinder of each described cylinder piston mechanism respectively; The described firing chamber of described oxygenant feeder in the cylinder of described impeller type gas compressor and each described cylinder piston mechanism is communicated with.
Scheme 11: on scheme eight or nine basis, described cylinder piston mechanism is made as more than two; Described turbine is communicated with the described firing chamber in the cylinder of each described cylinder piston mechanism respectively through described working medium export mouth; The described firing chamber of described oxygenant feeder in the cylinder of described impeller type gas compressor and each described cylinder piston mechanism is communicated with.
Scheme 12: in scheme one to 11, on the basis of any one scheme, described cylinder piston mechanism is made as more than two, and described storage tank is communicated with the described firing chamber in the cylinder of each described cylinder piston mechanism respectively.
Scheme 13: in scheme one to 12, on the basis of any one scheme, described cylinder piston mechanism is made as more than two, and described oxygenant feeder is communicated with the described firing chamber in the cylinder of each described cylinder piston mechanism respectively.
Scheme 14: on the basis of all schemes that are provided with cooler, the Temperature of Working of the outlet of described cooler is lower than 373K.
Scheme 15: in scheme one to 14, on the basis of any one scheme, the bearing capacity of described storage tank is greater than 0.7MPa.
Scheme 16: in scheme one to 14, on the basis of any one scheme, the bearing capacity of described storage tank is greater than 0.9MPa.
Scheme 17: in scheme one to 14, on the basis of any one scheme, the bearing capacity of described storage tank is greater than 1.1MPa.
Scheme 18: in scheme one to 14, on the basis of any one scheme, the bearing capacity of described storage tank is greater than 1.3MPa.
Scheme 19: in scheme one to 14, on the basis of any one scheme, the bearing capacity of described storage tank is greater than 1.5MPa.
Scheme 20: in scheme one to 14, on the basis of any one scheme, the bearing capacity of described storage tank is greater than 1.7MPa.
Scheme 21: in scheme one to 14, on the basis of any one scheme, the bearing capacity of described storage tank is greater than 1.9MPa.
Scheme 22: in scheme one to 14, on the basis of any one scheme, the bearing capacity of described storage tank is greater than 2.0MPa.
Scheme 23: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 0.5MPa.
Scheme 24: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 0.7MPa.
Scheme 25: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 0.9MPa.
Scheme 26: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 1.1MPa.
Scheme 27: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 1.3MPa.
Scheme 28: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 1.5MPa.
Scheme 29: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 1.7MPa.
Scheme 30: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 1.9MPa.
Scheme 31: in scheme one to 22, on the basis of any one scheme, the bearing capacity of described oxygenant feeder is greater than 2.0MPa.
Scheme 32: in scheme one to 22, on the basis of any one scheme, the pressure of the oxygenant that described oxygenant feeder provides is more than or equal to 1MPa, temperature lower than 373K.
Scheme 33: in scheme one to 32, on the basis of any one scheme, described oxygenant feeder is made as the air compressor that comprises cooler.
Scheme 34: in scheme one to 32, on the basis of any one scheme, described oxygenant feeder is made as air compressor.
Scheme 35: in scheme one to 32, on the basis of any one scheme, described oxygenant feeder is made as the multi-staged air compressor.
Scheme 36: on the basis of scheme 33, the gas temperature in the outlet port of described air compressor is lower than 373K.
Scheme 37: on the basis of scheme 34, the gas temperature in the outlet port of described air compressor is lower than 373K.
Scheme 38: on the basis of scheme 35, the gas temperature in the outlet port of described air compressor is lower than 373K.
In the present invention, so-called oxygenant refers to the material that can react with fuel generation combustion chemistry, such as liquid oxygen, oxygen, air, liquid air, hydrogen peroxide, hydrogen peroxide solution etc.
In the present invention, so-called fuel refers to the material that can react with oxygenant generation combustion chemistry, such as hydrocarbon, hydrocarbon oxygen compound etc., and wherein, described hydrocarbon comprises other hydro carbons such as gasoline, diesel oil, heavy oil, kerosene, aviation kerosine; Described hydrocarbon oxygen compound comprises methyl alcohol, ethanol, methyl ether, ether etc.
In the present invention, so-called A and B are communicated with and refer to that between A and B, working medium occurs to flow, and comprise that working medium flows to B or flows to A from B from A, or working medium first flows to B from A and flows to A from B again.So-called connection comprises direct connection, indirect communication and is communicated with through operating unit, and described operating unit comprises valve, control mechanism, feed mechanism (pump) and heat exchanger etc.
In the present invention, so-called " described fuel feeder is communicated with described firing chamber through fuel inlet " comprises in described firing chamber and directly sprays into fuel, or fuel is sprayed in the gas that will enter described firing chamber and by fuel and oxygenant and is pre-mixed, what is called sprays into and comprises by the timing relation and spray into and also comprise not according to the timing relation and spraying into.
In the present invention, the pressure of the oxygenant that described oxygenant feeder provides can be greater than the pressure of the working medium in described storage tank, also can be equal to or less than the pressure of the working medium in described storage tank; When the pressure of the oxygenant provided when described oxygenant feeder is greater than the pressure of the working medium in described storage tank, the oxygenant in described oxygenant feeder can directly be filled with in described firing chamber; When the pressure of the oxygenant provided when described oxygenant feeder equals the pressure of the working medium in described storage tank, the oxygenant in described oxygenant feeder can be inhaled into described firing chamber with together with gas in described storage tank; When the pressure of the oxygenant provided when described oxygenant feeder is less than the pressure of the working medium in described storage tank, the oxygenant in described oxygenant feeder imports described firing chamber by the gas in described storage tank after can sucking in advance described firing chamber and being compressed to a certain degree again.
In the present invention, the oxidant stress in described oxygenant feeder need to be adjusted according to common practise, makes the oxygenant in described oxygenant feeder can enter described firing chamber.
In the present invention, the power pressure in described storage tank and the bearing capacity of described storage tank are complementary, and the highest power pressure in described storage tank reaches its bearing capacity.
In the present invention, the power pressure in described oxygenant feeder and the bearing capacity of described oxygenant feeder are complementary, and the highest power pressure in described oxygenant feeder reaches its bearing capacity.
In the present invention, described attached acting mechanism comprises cylinder piston type acting mechanism, impeller type acting mechanism, lobed rotor motor, screw motor, pneumatic motor etc.
In the present invention, described cylinder piston mechanism can be worked according to the four-stroke mode of operation, also can be according to the two stroke operation work pattern, as the case may be, according to known technology, determine that it presses the two stroke operation pattern or by the work of four-stroke mode of operation, and, according to the difference of mode of operation, according to known technology, the structure of described cylinder piston mechanism is adjusted.
Backflow limit pressure ratio cycle engine in the present invention is optionally according to the circulation mode work in following, but under the restriction in many conditions such as practical set-up, in the present invention, motor may be pressed following endless form work fully, to a certain degree deviation likely occurs, but still belong to the category of backflow limit pressure ratio cycle engine.
Fig. 1 is that the longitudinal axis is pressure, the figure that transverse axis is temperature, be P-T figure, wherein curve A, curve B and curve C are adiabatic process curves, and 0-1 is the constant temperature compression process, and 1-2 is the adiabatic compression process, 2-3 is constant temperature heat absorption inflation process, 3-0 is adiabatic expansion, and 2-4 and 2-4 ' are constant volume heating process, and 2-5 and 2-5 ' are constant voltage heating process.
Wherein: 0-1-2-3-0 is the mode of operation of Carnot's cycle; 0-1-2-5-0 is the circulation mode of efficiency higher than aforementioned Carnot's cycle, 0 '-1-2-5 '-0 ' be the circulation mode of efficiency higher than aforementioned 0-1-2-5-0; 0 '-1-2-4 '-0 ' be the circulating working mode higher than 0-1-2-4-0 efficiency.As shown in Figure 1, start to arrive any one efficiency between state point 3 and 4 and circulation that form with the heating process of state point 3 and 4 on same adiabatic process curve by state point 2 all high than take the efficiency of the Carnot's cycle that the temperature at state point 2 places is high temperature heat source, equally by state point 2 start to arrive any one state point 3 ' and 4 ' between and the efficiency of the circulation that forms with the heating process of state point 3 ' and 4 ' on same adiabatic process curve all than take the Carnot's cycle that the temperature at state point 2 places is high temperature heat source, the efficiency of 0-1-2-5-0 and 0-1-2-4-0 is high.Backflow limit pressure ratio cycle engine disclosed in this invention, its circulation mode can be above-mentioned 0-1-2-3-0,0-1-2-5-0,0-1-2-4-0,0 '-1-2-5 '-0 ' and 0 '-1-2-4 '-0 ' circulation mode, it can be also the circulation mode of 0-1-2-X-0, wherein, X is on adiabatic process curve that passes through state point 3 and 4 between state point 3 and 4; Can be maybe 0 '-1-2-X '-0 ' circulation mode, wherein, X ' state point 3 ' and 4 ' between pass through state point 3 ' and 4 ' adiabatic process curve on.
In figure, the work cycle of 0-1-2-A-B-0 is the mode of operation of efficiency higher than aforementioned 0-1-2-3-0,0-1-2-5-0 and 0-1-2-4-0 work cycle, wherein A-B-C is isopiestics, and putting in order of the efficiency of above-mentioned work cycle is as follows: 0-1-2-A-B-0>0-1-2-4-0>0-1-2-5-0>0-1-2-3-0.
Corresponding, 0 '-1-2-A-C-3 '-0 ' work cycle be efficiency higher than aforementioned 0 '-1-2-3 '-0 ', 0 '-1-2-5 '-0 ' and 0 '-mode of operation of 1-2-4 '-0 ' work cycle, putting in order of the efficiency of above-mentioned work cycle is as follows: 0 '-1-2-A-C-3 '-0 '>0 '-1-2-4 '-0 '>0 '-1-2-5 '-0 '>0 '-1-2-3 '-0 '.
T in figure
3with T
2the temperature difference be less than 200K.
In the present invention, described constant temperature compression process, adiabatic compression process, constant volume heating process, constant voltage heating process, constant temperature heat absorption inflation process and adiabatic expansion, include the process of strictly being undertaken by described process, also comprise the approximation that must take due to the restriction on engineering or in mechanism, for example: the constant temperature compression process possibly can't really realize the constant temperature compression, but must there is cooling procedure to participate in, for example participation of the inter-stage cooling procedure of compression process.
In the present invention, should in necessary place, necessary parts, unit or system be set according to the known technology of engine art, such as the requirement according to described firing chamber internal combustion condition, spark plug etc. can be set.
beneficial effect of the present invention is as follows:
The work cycle that described storage tank is backflow limit pressure ratio cycle engine of the present invention provides pressure working medium, for providing, motor there is the not high air inlet again of certain pressure and temperature, have the advantages that compression ratio is high, efficiency is high, energy-conservation, have broad application prospects.
The accompanying drawing explanation
Fig. 1 is the circulation mode out-of-phase diagram that backflow limit pressure ratio cycle engine of the present invention can adopt;
The structural representation that Fig. 2 is the embodiment of the present invention 1;
The structural representation that Fig. 3 is the embodiment of the present invention 2;
The structural representation that Fig. 4 is the embodiment of the present invention 3;
The structural representation that Fig. 5 is the embodiment of the present invention 4;
The structural representation that Fig. 6 is the embodiment of the present invention 5;
The structural representation that Fig. 7 is the embodiment of the present invention 6;
The structural representation that Fig. 8 is the embodiment of the present invention 7;
The structural representation that Fig. 9 is the embodiment of the present invention 8;
The structural representation that Figure 10 is the embodiment of the present invention 9;
The structural representation that Figure 11 is the embodiment of the present invention 10;
The structural representation that Figure 12 is the embodiment of the present invention 11;
The structural representation that Figure 13 is the embodiment of the present invention 12;
The structural representation that Figure 14 is the embodiment of the present invention 13;
The structural representation that Figure 15 is the embodiment of the present invention 14;
The structural representation that Figure 16 is the embodiment of the present invention 15;
The structural representation that Figure 17 is the embodiment of the present invention 16,
In figure:
1 cylinder piston mechanism, 2 storage tanks, 3 oxygenant feeders, 4 working medium export mouths, 5 fuel feeders, 6 firing chambers, 9 coolers, 10 reversing current ports, 11 reciprocal passages, 12 attached acting mechanisms, 13 working medium derive control valves, 14 turbines, 15 impeller type gas compressors, 16 air compressors.
Embodiment
Backflow limit pressure ratio cycle engine as shown in Figure 2, comprise cylinder piston mechanism 1, storage tank 2, oxygenant feeder 3, working medium export mouth 4 and fuel feeder 5, firing chamber 6 is set in the cylinder of described cylinder piston mechanism 1, described firing chamber 6 is communicated with described storage tank 2 through the feed passage, described firing chamber 6 is communicated with described storage tank 2 through loopback channel, described oxygenant feeder 3 is communicated with described firing chamber 6 through oxidant inlet, described fuel feeder 5 is communicated with described firing chamber 6 through fuel inlet, described firing chamber 6 is communicated with described working medium export mouth 4, the bearing capacity of described storage tank 2 is greater than 0.5MPa, establish reversing current port 10 on the cylinder of described cylinder piston mechanism 1, described feed passage and described loopback channel integrated setting are the reciprocal passage 11 be communicated with described reversing current port 10, described firing chamber 6 is communicated with described storage tank 2 through described reciprocal passage 11.Described working medium export mouth 4 can also be derived the part heat when deriving working medium.
Be the described reciprocal passage 11 be communicated with described reversing current port 10 by described feed passage and described loopback channel integrated setting, simplified system architecture.
Backflow limit pressure ratio cycle engine as shown in Figure 3, it is on embodiment 1 basis, described oxidant inlet, described fuel inlet, described working medium export mouth 4 all are arranged on the cylinder of described cylinder piston mechanism 1, on described reciprocal passage 11, cooler 9 is set, working medium is set at described working medium export mouth 4 places and derives control valve 13.The Temperature of Working of the outlet of described cooler 9 is lower than 373K.The bearing capacity of described storage tank 2 is greater than 0.7MPa.
As the mode of execution that can convert, described cooler 9 can change and is located on described storage tank 2.
As the mode of execution that can convert, described cooler 9 can not established.
As the mode of execution that can convert, the Temperature of Working of the outlet of described cooler 9 can limit.
As the mode of execution that can convert, the pressure that can also set the oxygenant that described oxygenant feeder provides is more than or equal to 1MPa, temperature lower than 373K.
As the mode of execution that can convert, described working medium derives control valve 13 and can not establish.
Backflow limit pressure ratio cycle engine as shown in Figure 4, itself and embodiment's 2 difference is:
Described oxidant inlet, described working medium export mouth 4, described fuel inlet all are arranged on described reciprocal passage 11 and replace being arranged on the cylinder of described cylinder piston mechanism 1, wherein said working medium export mouth 4 is arranged on the communicating passage between described cooler 9 and described reversing current port 10, and has cancelled the described working medium that is arranged on described working medium export mouth 4 places and derived control valve 13.
The setting position of the export mouth of working medium described in the present embodiment 4 can be saved the energy of cooling needs cooling front by the working medium derivation, increases the acting ability that derives working medium simultaneously.
As the mode of execution that can convert, described oxidant inlet, described working medium export mouth 4, described fuel inlet all is arranged on described storage tank 2, perhaps, described oxidant inlet, described working medium export mouth 4, described fuel inlet can be selected on one the cylinder that is arranged on described cylinder piston mechanism 1, select one be arranged on described reciprocal passage 11 or select one be arranged on described storage tank 2, perhaps, described oxidant inlet, described working medium export mouth 4, in described fuel inlet two are arranged on the cylinder of described cylinder piston mechanism 1, on described reciprocal passage 11, in the upper place of described storage tank 2, another is arranged on the cylinder of described cylinder piston mechanism 1, on described reciprocal passage 11, in upper another of described storage tank 2 place.
Backflow limit pressure ratio cycle engine as shown in Figure 5, itself and embodiment's 2 difference is:
Described working medium export mouth 4 changes on the communicating passage be arranged between described cooler 9 and described reversing current port 10, and cancelled the described working medium that is arranged on described working medium export mouth 4 places and derived control valve 13, described working medium export mouth 4 is communicated with attached acting mechanism 12.
The working medium derived by described working medium export mouth 4 still has very high energy, and the described attached mechanism 12 of doing work utilizes the working medium derived from described working medium export mouth 4 to continue acting.
As the mode of execution that can convert, the present embodiment can arrange with reference to the scheme in embodiment 3 position of selecting described oxidant inlet, described working medium export mouth 4, described fuel inlet.
Backflow limit pressure ratio cycle engine as shown in Figure 6, itself and embodiment's 4 difference is:
Establish turbine 14 at described working medium export mouth 4 places and replace described attached acting mechanism 12, set up impeller type gas compressor 15 on the communicating passage between described oxygenant feeder 3 and described firing chamber 6,14 pairs of described impeller type gas compressor 15 outputting powers of described turbine.
As the mode of execution that can convert, described turbine 14, described impeller type gas compressor 15 can be selected a setting.
As the mode of execution that can convert, described turbine 14 externally outputting power replaces described impeller type gas compressor 15 outputting powers.
As the mode of execution that can convert, in all of the embodiments of the present invention, described turbine 14, described impeller type gas compressor 15 can be set with reference to the scheme in the present embodiment and convertible mode of execution thereof, or with reference to embodiment 4, described attached acting mechanism 12 be set.
Backflow limit pressure ratio cycle engine as shown in Figure 7, itself and embodiment's 2 difference is:
Described oxidant inlet place on the cylinder of described cylinder piston mechanism 1 arranges valve, described working medium export mouth 4 changes the cylinder that is arranged on described cylinder piston mechanism 1 and the described reciprocal passage 11 between described cooler 9 into, and has cancelled the working medium that is arranged on described working medium export mouth 4 places and derived control valve 13.
Embodiment 7
Backflow limit pressure ratio cycle engine as shown in Figure 8, itself and embodiment's 6 difference is:
Described working medium export mouth 4 changes on the described reciprocal passage 11 be arranged between described cooler 9 and described storage tank 2, and described fuel inlet changes into and being arranged on described reciprocal passage 11.
As the mode of execution that can convert, described working medium export mouth 4 also can change and is located on described storage tank 2; Described fuel inlet also can change on the communicating passage be located between described oxygenant feeder 3 and described firing chamber 6 or change and is located on described storage tank 2.
Embodiment 8
Backflow limit pressure ratio cycle engine as shown in Figure 9, it is on embodiment 6 basis: described working medium export mouth 4 is communicated with attached acting mechanism 12.
The working medium derived by described working medium export mouth 4 still has very high energy, and the described attached mechanism 12 of doing work utilizes the working medium derived from described working medium export mouth 4 to continue acting.
As the mode of execution that can convert, the present embodiment can arrange with reference to the scheme in embodiment 7 structures such as described working medium export mouth 4 and described fuel inlet.
As the mode of execution that can convert, the disposable mode of execution in embodiment 6 can be arranged to the structures such as attached acting mechanism 12 according to the scheme in the present embodiment.
Backflow limit pressure ratio cycle engine as shown in figure 10, itself and embodiment's 6 difference is: described working medium export mouth 4 is arranged on the cylinder of described cylinder piston mechanism 1, working medium is set at described working medium export mouth 4 places and derives control valve 13.
Backflow limit pressure ratio cycle engine as shown in figure 11, it is on embodiment 6 basis: at described working medium export mouth, 4 places establish turbine 14, establish impeller type gas compressor 15 on the communicating passage between described oxygenant feeder 3 and described firing chamber 6,14 pairs of described impeller type gas compressor 15 outputting powers of described turbine.
As the mode of execution that can convert, the present embodiment can arrange the structures such as described working medium export mouth 4 and described fuel inlet with reference to the scheme in embodiment 7 and embodiment 9.
As the mode of execution that can convert, the disposable mode of execution in embodiment 6 can be arranged to the structures such as described turbine 14 and described impeller type gas compressor 15 according to the scheme in the present embodiment.
As the mode of execution that can convert, described turbine 14, described impeller type gas compressor 15 can be selected a setting.
As the mode of execution that can convert, described turbine 14 externally outputting power replaces described impeller type gas compressor 15 outputting powers.
Backflow limit pressure ratio cycle engine as shown in figure 12, itself and embodiment's 2 difference is:
Described cylinder piston mechanism 1 is made as two, and described oxidant inlet is arranged on described reciprocal passage 11, and described working medium export mouth 4 changes on the described reciprocal passage 11 be arranged between described cooler 9 and described reversing current port 10; Described storage tank 2 is communicated with the described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1 respectively, is respectively two described cylinder piston mechanisms 1 and provides the body of calming the anger; Described oxygenant feeder 3 also is communicated with the described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1 respectively, is respectively two described cylinder piston mechanisms 1 oxygenant is provided.
As the mode of execution that can convert, described cylinder piston mechanism 1 can be made as 3 or more, described storage tank 2 can be communicated with the described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1, in like manner, described oxygenant feeder 3 can be communicated with the described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1, and the number of the described cylinder piston mechanism 1 at 6 places, described firing chamber that are communicated with from described storage tank 2, described oxygenant feeder 3 can be different.
As the mode of execution that can convert, described working medium export mouth 4 can also be through described storage tank 2, be communicated with described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1 respectively or directly be communicated with described firing chamber 6 through the wall of the cylinder of described cylinder piston mechanism 1 through described reciprocal passage 11 again.
As the mode of execution that can convert, at described storage tank 2, be during two described cylinder piston mechanisms 1 provide the structure of the body of calming the anger, described oxygenant feeder 3 can only provide oxygenant for a described cylinder piston mechanism 1, simultaneously, for each described cylinder piston mechanism 1 correspondence, a described oxygenant feeder 3 is set; In like manner, at described oxygenant feeder 3, be respectively during two described cylinder piston mechanisms 1 provide the structure of oxygenant, described storage tank 2 can be only that a described cylinder piston mechanism 1 provides the body of calming the anger, simultaneously, and for each described cylinder piston mechanism 1 correspondence arranges a described storage tank 2.
As the mode of execution that can convert, described fuel inlet can be arranged on the cylinder of described cylinder piston mechanism 1, on described reciprocal passage 11 or be arranged on described storage tank 2.
As the mode of execution that can convert, described oxidant inlet can change on the cylinder that is located at described cylinder piston mechanism 1 or change and is located on described storage tank 2.
As the mode of execution that can convert, the disposable mode of execution in embodiment 2 can be arranged to described cylinder piston mechanism 1 according to the scheme in the present embodiment is two or more.
Backflow limit pressure ratio cycle engine as shown in figure 13, itself and embodiment's 5 difference is:
Described cylinder piston mechanism 1 is made as two, described working medium export mouth 4 is communicated with the described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1 respectively through described reciprocal passage 11, the working medium that discharge the described firing chamber 6 of two described cylinder piston mechanisms 1 enters described turbine 14 through described working medium export mouth 4 respectively, drives the external outputting power of described turbine 14; The described firing chamber 6 of described oxygenant feeder 3 in the cylinder of described impeller type gas compressor 15 and each described cylinder piston mechanism 1 is communicated with, described oxidant inlet changes into and being arranged on described reciprocal passage 11, and the oxygenant in described oxygenant feeder 3 imports respectively the described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1 after 15 compressions of described impeller type gas compressor.
As the mode of execution that can convert, described cylinder piston mechanism 1 can be made as 3 or more, described storage tank 2 can be communicated with the described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1, in like manner, described oxygenant feeder 3 can be communicated with the described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1, and the number of the described cylinder piston mechanism 1 at 6 places, described firing chamber that are communicated with from described storage tank 2, described oxygenant feeder 3 can be different.
As the mode of execution that can convert, described working medium export mouth 4 can also be through described storage tank 2, be communicated with described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1 respectively or directly be communicated with described firing chamber 6 through the wall of the cylinder of each described cylinder piston mechanism 1 through described reciprocal passage 11 again.
As the mode of execution that can convert, at described storage tank 2, be during two described cylinder piston mechanisms 1 provide the structure of the body of calming the anger, described oxygenant feeder 3 can only provide oxygenant for a described cylinder piston mechanism 1, simultaneously, for each described cylinder piston mechanism 1 correspondence, a described oxygenant feeder 3 and an impeller type gas compressor 15 are set; In like manner, at described oxygenant feeder 3, be respectively during two described cylinder piston mechanisms 1 provide the structure of oxygenant, described storage tank 2 can be only that a described cylinder piston mechanism 1 provides the body of calming the anger, simultaneously, and for each described cylinder piston mechanism 1 correspondence arranges a described storage tank 2.
As the mode of execution that can convert, described fuel inlet can be arranged on the cylinder of described cylinder piston mechanism 1, on described reciprocal passage 11 or be arranged on described storage tank 2.
As the mode of execution that can convert, described oxidant inlet can change on the cylinder that is located at described cylinder piston mechanism 1 or change and is located on described storage tank 2.
As the mode of execution that can convert, described turbine 14, described impeller type gas compressor 15 can be selected a setting.
As the mode of execution that can convert, described turbine 14 can replace external outputting power to described impeller type gas compressor 15 outputting powers.
As the mode of execution that can convert, the disposable mode of execution in embodiment 5 can be arranged to described cylinder piston mechanism 1 according to the scheme in the present embodiment is two or more.
Backflow limit pressure ratio cycle engine as shown in figure 14, it is on embodiment 2 basis, and described oxygenant feeder 3 is made as air compressor 16, and the described air compressor 16 in the present embodiment is made as piston type air compressor.
As the mode of execution that can convert, described oxygenant feeder 3 can also be made as with the described air compressor 16 of cooler or multistage described air compressor 16; The gas temperature in the outlet port of described air compressor 16 can be made as lower than 373K; Described air compressor 16 can also be made as other forms of air compressor, such as impeller-type air compressor.
Backflow limit pressure ratio cycle engine as shown in figure 15, itself and embodiment's 6 difference is:
A described storage tank 2 is communicated with the described firing chamber 6 of two described cylinder piston mechanisms 1, is respectively two described cylinder piston mechanisms 1 and provides the body of calming the anger; A described oxygenant feeder 3 also is communicated with the described firing chamber 6 of two described cylinder piston mechanisms 1, is respectively two described cylinder piston mechanisms 1 oxygenant is provided.
As the mode of execution that can convert, described storage tank 2 can be communicated with the described firing chamber 6 of described cylinder piston mechanism 1 of three or more, in like manner, described oxygenant feeder 3 can be communicated with the described firing chamber 6 of described cylinder piston mechanism 1 of three or more, and the number of the described cylinder piston mechanism 1 that the number of the described cylinder piston mechanism 1 that described storage tank 2 is communicated with can be communicated with from a described oxygenant feeder 3 can be different.
As the mode of execution that can convert, described working medium export mouth 4 can also be through described storage tank 2, be communicated with described firing chamber 6 in the cylinder of each described cylinder piston mechanism 1 respectively or directly be communicated with described firing chamber 6 through the wall of the cylinder of each described cylinder piston mechanism 1 through described reciprocal passage 11 again.
As the mode of execution that can convert, at described storage tank 2, be during two described cylinder piston mechanisms 1 provide the structure of the body of calming the anger, described oxygenant feeder 3 can only provide oxygenant for a described cylinder piston mechanism 1, simultaneously, for each described cylinder piston mechanism 1 correspondence, a described oxygenant feeder 3 is set; In like manner, at described oxygenant feeder 3, be respectively during two described cylinder piston mechanisms 1 provide the structure of oxygenant, described storage tank 2 can be only that a described cylinder piston mechanism 1 provides the body of calming the anger, simultaneously, and for each described cylinder piston mechanism 1 correspondence arranges a described storage tank 2.
As the mode of execution that can convert, described fuel inlet can be arranged on the communicating passage between described oxygenant feeder 3 and described firing chamber 6, on described reciprocal passage 11 or be arranged on described storage tank 2.
As the mode of execution that can convert, the disposable mode of execution in embodiment 6 can be arranged to described cylinder piston mechanism 1 according to the scheme in the present embodiment is two or more.
Backflow limit pressure ratio cycle engine as shown in figure 16, itself and embodiment's 10 difference is:
A described storage tank 2 is communicated with the described firing chamber 6 of two described cylinder piston mechanisms 1, a described impeller type gas compressor 15 is communicated with the described firing chamber 6 of two described cylinder piston mechanisms 1 respectively, respectively the oxygenant that is about to enter two described cylinder piston mechanisms 1 is compressed.
In the present embodiment, described working medium export mouth 4 is communicated with described firing chamber 6 respectively through two described reciprocal passages 11, and the working medium of two described cylinder piston mechanism 1 derivation can promote described turbine 14 actings simultaneously, thereby has stronger acting ability.
As the mode of execution that can convert, described working medium export mouth 4 can be communicated with described firing chamber 6 through described storage tank 2 and described reciprocal passage 11; Or described working medium export mouth 4 is set directly on the cylinder wall of described cylinder piston mechanism 1 and directly is communicated with described firing chamber 6.
As the mode of execution that can convert, described storage tank 2 can be communicated with the described firing chamber 6 of described cylinder piston mechanism 1 of three or more, and described impeller type gas compressor 15 can be communicated with the described firing chamber 6 of described cylinder piston mechanism 1 of three or more; A described turbine 14 can be communicated with the described working medium export mouth 4 of three or more; The number of described cylinder piston mechanism that the number of the described cylinder piston mechanism 1 that described storage tank 2 is communicated with, described impeller type gas compressor 15 are communicated with 1, a described working medium export mouth 4 that described turbine 14 is communicated with can be different.
As the mode of execution that can convert, at described storage tank 2, be during two described cylinder piston mechanisms 1 provide the structure of the body of calming the anger, described oxygenant feeder 3 can only provide oxygenant for a described cylinder piston mechanism 1, simultaneously, for each described cylinder piston mechanism 1 correspondence, a described oxygenant feeder 3 and an impeller type gas compressor 15 are set; In like manner, at described oxygenant feeder 3, be respectively during two described cylinder piston mechanisms 1 provide the structure of oxygenant, described storage tank 2 can be only that a described cylinder piston mechanism 1 provides the body of calming the anger, simultaneously, and for each described cylinder piston mechanism 1 correspondence arranges a described storage tank 2.
As the mode of execution that can convert, the disposable mode of execution in embodiment 9 can be arranged to described cylinder piston mechanism 1 according to the scheme in the present embodiment is two or more.
Backflow limit pressure ratio cycle engine as shown in figure 17, it is on embodiment 6 basis: described oxygenant feeder 3 is made as air compressor 16, and the described air compressor 16 in the present embodiment is made as piston type air compressor.
As the mode of execution that can convert, described oxygenant feeder 3 can also be made as with the described air compressor 16 of cooler or multistage described air compressor 16; The gas temperature in the outlet port of described air compressor 16 can be made as lower than 373K; Described air compressor 16 can also be made as other forms of air compressor, such as impeller-type air compressor.
All of the embodiments of the present invention all can arrange with reference to the scheme in the present embodiment the structures such as described air compressor 16, and the gas temperature in outlet port that described air compressor 16 optionally is set is lower than 373K.
Described storage tank 2 in the present invention provides the pressure cycle fluid for described motor, guarantees that intrasystem power pressure maintains higher level, thereby improves the efficiency of motor.As the mode of execution that can convert, all selectively the bearing capacity of described storage tank 2 is changed to be made as to be greater than 0.5MPa, 0.7MPa, 0.9MPa, 1.1MPa, 1.3MPa, 1.5MPa, 1.7MPa, 1.9MPa or to change to be made as in above-mentioned all mode of executions of the present invention and be greater than 2.0MPa, now, the pressure of the working medium in described storage tank 2 respectively correspondence reach and be greater than 0.5MPa, 0.7MPa, 0.9MPa, 1.1MPa, 1.3MPa, 1.5MPa, 1.7MPa, 1.9MPa or be greater than 2.0MPa.The bearing capacity of corresponding described oxygenant feeder can be set as being greater than 0.5MPa, 0.7MPa, 0.9MPa, 1.1MPa, 1.3MPa, 1.5MPa, 1.7MPa, 1.9MPa or be greater than 2.0MPa, now, the pressure of the oxygenant in described oxygenant feeder correspondence respectively reaches and is greater than 0.5MPa, 0.7MPa, 0.9MPa, 1.1MPa, 1.3MPa, 1.5MPa, 1.7MPa, 1.9MPa or be greater than 2.0MPa, oxidant stress in described oxygenant feeder in the present invention needs to guarantee that the oxygenant in described oxygenant feeder can enter described firing chamber.
As the mode of execution that can convert, all of the embodiments of the present invention all optionally arranges cooler 9 on described reciprocal passage 11 and/or on described storage tank 2.
As the mode of execution that can convert, all mode of executions that are provided with described cooler 9 of the present invention all can be made as the Temperature of Working of the outlet of described cooler 9 lower than 373K with reference to embodiment 2.
As the mode of execution that can convert, the pressure of the oxygenant that all of the embodiments of the present invention all can provide with reference to the described oxygenant feeder of embodiment's 2 setting is greater than or is more than or equal to 1MPa, temperature lower than 373K.
As the mode of execution that can convert, all of the embodiments of the present invention can optionally arrange described working medium and derives control valve 13 or cancel described working medium and derive control valve 13 at described working medium export mouth 4 places.
As the mode of execution that can convert, in all of the embodiments of the present invention, described turbine 14, described impeller type gas compressor 15 can be set with reference to the scheme in embodiment 5 and convertible mode of execution thereof, or with reference to embodiment 4, described attached acting mechanism 12 be set.
As the mode of execution that can convert, in all of the embodiments of the present invention, all the position of described oxidant inlet, described fuel inlet, described working medium export mouth 4 can optionally be set with reference to embodiment 2 and convertible mode of execution, embodiment 3 and convertible mode of execution thereof, embodiment 6 and convertible mode of execution thereof, embodiment 7 and convertible mode of execution thereof.
Obviously, the invention is not restricted to above embodiment, according to known technology and the technological scheme disclosed in this invention of related domain, can derive or association goes out many flexible programs, all these flexible programs, also should think protection scope of the present invention.
Claims (10)
1. a backflow limit pressure ratio cycle engine, comprise cylinder piston mechanism (1), storage tank (2), oxygenant feeder (3), working medium export mouth (4) and fuel feeder (5), it is characterized in that: firing chamber (6) is set in the cylinder of described cylinder piston mechanism (1), described firing chamber (6) is communicated with described storage tank (2) through the feed passage, described firing chamber (6) is communicated with described storage tank (2) through loopback channel, described oxygenant feeder (3) is communicated with described firing chamber (6) through oxidant inlet, described fuel feeder (5) is communicated with described firing chamber (6) through fuel inlet, described firing chamber (6) is communicated with described working medium export mouth (4), the bearing capacity of described storage tank (2) is greater than 0.5MPa, establish reversing current port (10) on the cylinder of described cylinder piston mechanism (1), described feed passage and described loopback channel integrated setting are the reciprocal passage (11) be communicated with described reversing current port (10), described firing chamber (6) is communicated with described storage tank (2) through described reciprocal passage (11).
2. the limit pressure ratio that refluxes as claimed in claim 1 cycle engine, it is characterized in that: described oxidant inlet is arranged on the cylinder of described cylinder piston mechanism (1), described reciprocal passage (11) is upper or described storage tank (2) on, described working medium export mouth (4) is arranged on the cylinder of described cylinder piston mechanism (1), described reciprocal passage (11) is upper or described storage tank (2) is upper, described fuel inlet is arranged on the cylinder of described cylinder piston mechanism (1), described reciprocal passage (11) is upper or described storage tank (2) on.
3. the limit pressure ratio that refluxes as claimed in claim 1 cycle engine, it is characterized in that: described oxidant inlet is arranged on the cylinder of described cylinder piston mechanism (1), described working medium export mouth (4) is arranged on the cylinder of described cylinder piston mechanism (1), described reciprocal passage (11) is upper or described storage tank (2) is upper, described fuel inlet is arranged on the communicating passage between described oxygenant feeder (3) and described firing chamber (6), on the cylinder of described cylinder piston mechanism (1), described reciprocal passage (11) is gone up or described storage tank (2) on.
4. the limit pressure ratio that refluxes as claimed in claim 1 cycle engine is characterized in that: at described reciprocal passage (11), go up and/or arrange cooler (9) on described storage tank (2).
5. as backflow limit pressure ratio cycle engine as described in any one in claim 1 to 4, it is characterized in that: described backflow limit pressure ratio cycle engine also comprises attached acting mechanism (12), and the working medium entrance of described working medium export mouth (4) and described attached acting mechanism (12) is communicated with.
6. as backflow limit pressure ratio cycle engine as described in any one in claim 1 to 4, it is characterized in that: locate to arrange working medium at described working medium export mouth (4) and derive control valve (13).
7. as backflow limit pressure ratio cycle engine as described in any one in claim 1 to 4, it is characterized in that: described backflow limit pressure ratio cycle engine also comprises impeller type gas compressor (15), and described impeller type gas compressor (15) is arranged on the communicating passage between described oxygenant feeder (3) and described firing chamber (6).
8. the limit pressure ratio that refluxes as claimed in claim 7 cycle engine is characterized in that: described backflow limit pressure ratio cycle engine also comprises turbine (14), and described turbine (14) is communicated with described working medium export mouth (4).
9. the limit pressure ratio that refluxes as claimed in claim 8 cycle engine is characterized in that: described turbine (14) is to described impeller type gas compressor (15) outputting power.
10. the limit pressure ratio that refluxes as claimed in claim 7 cycle engine is characterized in that: described cylinder piston mechanism (1) is made as more than two; Described working medium export mouth (4) is communicated with the described firing chamber (6) in the cylinder of each described cylinder piston mechanism (1) respectively; The described firing chamber (6) of described oxygenant feeder (3) in the cylinder of described impeller type gas compressor (15) and each described cylinder piston mechanism (1) is communicated with.
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| CN2013103985640A CN103452699A (en) | 2012-09-05 | 2013-09-04 | Reflux extreme pressure ratio cycle engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210326704 | 2012-09-05 | ||
| CN201210326704.9 | 2012-09-05 | ||
| CN201210326253 | 2012-09-05 | ||
| CN201210326253.9 | 2012-09-05 | ||
| CN201210328659 | 2012-09-06 | ||
| CN201210328778 | 2012-09-06 | ||
| CN201210328659.0 | 2012-09-06 | ||
| CN201210328778.6 | 2012-09-06 | ||
| CN201210330930.4 | 2012-09-07 | ||
| CN201210330928.7 | 2012-09-07 | ||
| CN201210330928 | 2012-09-07 | ||
| CN201210330930 | 2012-09-07 | ||
| CN201210345655.3 | 2012-09-17 | ||
| CN201210345852 | 2012-09-17 | ||
| CN201210345655 | 2012-09-17 | ||
| CN201210345852.5 | 2012-09-17 | ||
| CN201210351033.1 | 2012-09-19 | ||
| CN201210351033 | 2012-09-19 | ||
| CN201210350977.7 | 2012-09-19 | ||
| CN201210350977 | 2012-09-19 | ||
| CN2013103985640A CN103452699A (en) | 2012-09-05 | 2013-09-04 | Reflux extreme pressure ratio cycle engine |
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Application publication date: 20131218 |