CN103857888B - Combustion assembly having an internal combustion engine and an exhaust channel and method for the exhaust treatment of an internal combustion engine - Google Patents
Combustion assembly having an internal combustion engine and an exhaust channel and method for the exhaust treatment of an internal combustion engine Download PDFInfo
- Publication number
- CN103857888B CN103857888B CN201280047660.4A CN201280047660A CN103857888B CN 103857888 B CN103857888 B CN 103857888B CN 201280047660 A CN201280047660 A CN 201280047660A CN 103857888 B CN103857888 B CN 103857888B
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- Prior art keywords
- internal combustion
- combustion engine
- gas
- exhaust
- piston
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/30—Arrangements for supply of additional air
- F01N3/32—Arrangements for supply of additional air using air pump
- F01N3/326—Engine-driven air pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/02—Engines with reciprocating-piston pumps; Engines with crankcase pumps
- F02B33/04—Engines with reciprocating-piston pumps; Engines with crankcase pumps with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2270/00—Mixing air with exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention relates to a combustion assembly having an internal combustion engine (10) and an exhaust system (50) connected to the internal combustion engine (10) and to a method for the exhaust treatment of an internal combustion engine (10), wherein the exhaust system (50) has an exhaust channel (51) for expelling an exhaust of the internal combustion engine (10) and a device for treating the exhaust. The internal combustion engine (10) has a combustion chamber (15) which is limited by a piston (20). The piston (20) borders a crankcase (30) on a side facing away from the combustion chamber (15). The crankcase (30) is configured so that, as a consequence of a movement of the piston (20), a gas, in particular air, is compressed in the crankcase (30). The crankcase (30) is connected to the exhaust system (50) so that the gas compressed in the crankcase (30) is supplied to the exhaust system (50).
Description
Technical field
The present invention relates to the burner with internal combustion engine and exhaust device of the preamble according to independent claims
And the method for the waste gas reprocessing for internal combustion engine.
Background technology
For internal combustion engine must constantly reduce harmful exhaust composition based on strict waste gas emission standard is more and more become
The discharge capacity of such as carbon black granules, not burned Hydrocarbon or nitrogen oxide.In order to eliminate nitrogen oxide, especially in diesel engine
Using the so-called SCR catalyst for selectively catalytic reduction of nitrogen oxide in the case of machine.By DE199 61 947 known
The exhaust gas secondary treatment system for internal combustion engine is planted, wherein the reducing agent of liquid is transported in a mixing chamber by delivery pump.
Aerosol and will be the gas molten by an aerosol pipeline is produced by the reducing agent of liquid by compressed air in the mixing chamber
Match somebody with somebody to glue metering and be given in the exhaust steam passage of internal combustion engine.In addition it is known by DE10 2,005 034 704：For particulate filter
Regeneration a regenerating unit is inserted in exhaust steam passage.
By known in DE69522311：Utilize one it is for the crankshaft shell of the internal combustion engine of compressed air and the compression is empty
Gas is input in the air intake passage of internal combustion engine to improve power.
The content of the invention
There is feature, the of the invention burner and use of the invention of independent claims by contrast
There is its advantage, i.e. moving come the gas in compression crankshaft housing, especially using piston in the method for engine exhaust gas reprocessing
Its air and the compressed gas are input into into exhaust device, wherein by the compression by internal combustion engine to gas in crankshaft shell
Just the gas supply device of an outside can be cancelled, the additional compressed air of such as one pressure accumlator or produces dress
Put.Therefore can realize with being dirt cheap conveying compressed gas to exhaust device without additional component and thus.
Having for given burner and given method is obtained by the measure described in dependent claims
The further configuration of profit and improvement.
One favourable further configuration is that piston is movably disposed in a cylinder, and wherein piston will burn
Room is hermetically spaced from each other with crankshaft shell convection cell, except the leakage loss between piston and cylinder.By by combustor with
Crankshaft shell convection cell hermetically separates just using the pressure acted on from combustion chamber side on piston, to work as piston towards song
Piston is driven when shaft housing is moved and being effectively compressed for gas is reached in crankshaft shell, so that pressure is produced in crankshaft shell
Raise.Largely inhibit between crankshaft shell and combustor here by the sealing of crankshaft shell relative combustion room
Gas exchange simultaneously thereby inhibiting the pressure drop in crankshaft shell.
Another favourable further configuration of burner is that crankshaft shell passes through a bypass conduit and exhaust device
Exhaust steam passage connection, thus the compressed gas from crankshaft shell can be utilized to in exhaust steam passage waste gas reprocessing or
For the Temperature Treatment of exhaust steam passage.
Another favourable further configuration of burner is that exhaust device includes conveyer device, it by fluid, especially
For the fluid of waste gas reprocessing, the fuel of such as aqueous solution of urea or internal combustion engine is transported in exhaust steam passage.It is same in conversion
Advantageously propose：Exhaust device includes metering device, and it is by fluid metering with being given in exhaust steam passage.It is special in the case
The advantageously combination of conveyer device and metering device, they convey from tank fluid and metering with being given to internal combustion
In the exhaust steam passage of machine.But also can be especially with the gas from crankshaft shell, so as to the fluid for making to convey by conveyer device
It is atomized or to promote the burning of fluid in exhaust steam passage.
In the case particularly advantageously, conveyer device is driven by the compressed gas from crankshaft shell.Conveying
Device is driven with its advantage by the fluid in crankshaft shell under pressure, you can cancelling one is used for conveyer device
The driving means of additional machinery or electricity.The cancellation not only increases the efficiency of piston electromotor, and reduces side by side
Cost.Advantageously can consider in conversion：Pressure oscillation is produced in crankshaft shell by the piston of internal combustion engine, wherein passing through
Pressure oscillation forms pulse, and these pulses can be used directly for conveyance fluid or be indirectly used for driving the conveyer device of fluid.
And thus reduce and be assembled into for conveyer device can not use other electricity or machinery energy in this embodiment
This, because not additional pipeline, especially need not lay on inaccessible position or connect them.
Another favourable further configuration is that conveyer device includes a diaphragm pump, and it is by the pressure in crankshaft shell
Fluctuation is driving.If internal combustion engine is a piston-mode motor, transported by the oscillatory type of the piston of piston-mode motor
Compress and expand the dynamic gases cycle made in the crankshaft shell of piston-mode motor, pressure wave is thus formed in crankshaft shell
It is dynamic.The pressure oscillation can in a straightforward manner method utilizing, so as to diaphragm pump, it may be particularly advantageous to, by bent axle shell
The diaphragm pump of the gas-powered in body can be transported to the fluid different from the gas in exhaust steam passage.Come by using diaphragm pump
The fluid such as aqueous solution of urea or fuel of conveying liquid can not use an additional fluid conveying dress different from diaphragm pump
Put.Thus the number of component can be reduced, and thus can reduces the cost for material and assembling.
Another favourable further configuration is that metering device is arranged in bypass conduit.By in bypass conduit
Match somebody with somebody while the achievable fluid metering of metering device is set and be given in bypass conduit.By the corresponding geometric configuration of bypass conduit and from
The compressed gas of crankshaft shell targetedly import bypass conduit then can simply pretreatment bypass conduit, thus can reach ratio
In directly metering with fluid distrbution when being given in exhaust steam passage evenly.In addition metering device is being arranged on bypass channel
In the case of than there is less thermic load in the case where being arranged on exhaust steam passage, on exhaust steam passage, metering device can be by waste gas
Hot waste gas in passage is damaged.
In the case particularly advantageously, metering device is bypassed pipeline at least in part and encases, wherein metering device
Cooled down by the gas of bypass conduit compresses and flow through in crankshaft shell.By by the cold of the gas from crankshaft shell
But can use favourable mode on simple and cost to realize the cooling of metering device or fluid, thus can prevent or at least delay metering
The decomposition of the cause thermal damage and fluid of device, aging or crystallization.
Another favourable further configuration is that metering device includes a metering valve, especially one pressure controlled meter
Amount valve or a carburator.The amount of measured fluid can control by metering valve, thus can according to exhausted air quantity, waste gas component and/
Or EGT goes out the amount for suiting the requirements by metering valve convection cell meter, it may be particularly advantageous to, metering valve is made to Stress control
Metering valve, the pressure during it depends on crankshaft shell and/or in fluid input lines is opening.By this pressure controlled
Metering valve can not use the electric control or pneumatic control of the high cost of metering valve, which thereby enhance the thermic load energy of metering valve
Power.A favourable further configuration is in conversion：Metering device includes a gasifier for fluid.Gasifier be by
For supporting the fluid of waste gas reprocessing to inject another advantageous scheme of exhaust steam passage, the program be especially suitable for being easy to it is volatilizing,
Fluid of its boiling point significantly lower than typical temperature in exhaust steam passage during internal combustion engine, to make the liquid turns to gaseous state and meter
Match somebody with somebody to amount and be given in the exhaust steam passage of internal combustion engine.
Description of the drawings
Embodiments of the invention are represented in the accompanying drawings and in the following description which is described in detail.
Fig. 1 represents the first embodiment of burner of the invention,
Fig. 2 represents another embodiment of burner of the invention, wherein being provided with metering in a bypass conduit
Device, the bypass conduit make crankshaft shell be connected with exhaust steam passage,
Fig. 3 represents another embodiment of burner of the invention, wherein with a diaphragm pump, it passes through bent axle
Pressure vibration in housing driving,
Fig. 4 represents another embodiment of burner of the invention, and wherein metering device is by crankshaft shell
Gas cooling down,
Fig. 5 represents the burner with a twin cylinder Opposed type generator of the invention.
Description of the drawings
The present invention and the feature according to other claim will be described in detail by the embodiment shown in accompanying drawing below
Advantageous configuration.Identical component or the component with identical function are indicated with identical label in the accompanying drawings.
A burner with internal combustion engine 10 of the invention is represented in Fig. 1.Internal combustion engine 10 includes a bent axle
Housing 30, is provided with bent axle 40 in the housing.Bent axle 40 is connected with the piston 20 of internal combustion engine 10 by connecting rod 34.Internal combustion engine 10
Piston 20 is movably disposed in a cylinder 18.Internal combustion engine 10 has a combustor 15, and the combustor is entered by one
Mouth is connected with air intake passage 14 and is connected with the exhaust steam passage 15 of an exhaust device 50 by one outlet 13.Here entrance 12
13 are closed and are exported by valve 19 to close by valve 17.The combustor 15 of internal combustion engine 10 in cylinder 18 by piston 20 come
Limit, wherein the sealing of combustor 15 is realized by the piston ring 35 on piston 20 between piston 20 and cylinder 18.In vapour
Crankshaft shell 30 is connected on cylinder 18.Piston 20 is connected with bent axle 40 by connecting rod 34.
The crankshaft shell 30 of internal combustion engine 10 is connected with air intake passage 14 by a pipeline 16, wherein on crankshaft shell 30
It is provided with one and enters valve 38, the connection that valve can be cut out between crankshaft shell 30 and pipeline 16 is entered by this.In addition crankshaft shell
30 are connected with the exhaust steam passage 51 of internal combustion engine 10 by a bypass conduit 33, wherein a discharge is provided with crankshaft shell 30
Valve 39, the connection that can be closed between crankshaft shell 30 and bypass conduit 33 by the dump valve.
In order to the waste gas of cleaning internal combustion engines 10 is provided with least one device for being used for waste gas reprocessing in exhaust device 50
52,54,56.Three are represented for the devices that waste gas is reprocessed in exhaust steam passage in the embodiment in accordance with fig. 1, wherein for
The waste gas of cleaning internal combustion engines 10 is one after the other connected to an oxidation catalyzer 52, a particle filtering in exhaust gas flow direction
Device 54 and a catalyst converter 56 for being used for selectively reducing nitrogen oxides.Bypass conduit 33 is urged with oxidation in the outlet 13 of internal combustion engine 10
Change exhaust steam passage 50 is passed through between device 52.
Internal combustion engine 10 sucks air by air intake passage 14 in known manner, and the air is pressed by piston 20 in combustor 15
Contracting.Fuel is dispensed in combustor 15, and fuel mixes to form fuel-air mixture with air in combustor 15.It is logical
Crossing compression of the piston 20 to fuel-air mixture causes pressure and temperature in combustor 15 to raise, wherein in Fuel-air
The energy that mixture is discharged when burning makes bent axle 40 in rotation by piston 20 and connecting rod 34.In fuel-air mixture
Waste gas is defined during burning, the waste gas is moved in exhaust steam passage 51 by outlet 13 by piston 20 in subsequent work step.
Compress not only the air in combustor 15 by translational motion of the piston 20 in cylinder 18, and the compression with combustor 15
The fluid displacement increase that one is connected with crankshaft shell 30 in the cylinder 18 side by side, thus makes the pressure in crankshaft shell 30
Reduce.The physical effect is used to：Crankshaft shell 30 is used as to lead to the waste gas of so-called " auxiliary air " injection internal combustion engine 10
Road 51.In the compression stage of internal combustion engine 10, piston 20 leaves the motion of 40 ground of bent axle, thus increases the volume of crankshaft shell 30.
Pressure drop in crankshaft shell 30 is to below the pressure in air intake passage 14 in the case, so that air can be by entering valve
38 flow into crankshaft shell 30 through pipeline 16 by air intake passage 14.Pressure-control valve is configured into valve 38, it one-especially
Determined by the spring force of a valve spring-crankshaft shell 30 in pressure and air intake passage 14 between pressure differential when beat
Open.Compressed by moving downward for piston 20 by the air being flowed in crankshaft shell 30 into valve 38, wherein bent axle
More than the pressure that the pressure in housing 30 rises in air intake passage 14 and make into valve 38 to close.By piston 20 continue to
Further rise in pressure in lower moving crankshaft housing 30, wherein combustor 25（15）Gas exchange between crankshaft shell leads to
Cross piston 20 and piston ring 35 is prevented from addition to leakage loss as best one can.The crankshaft shell in the pressure threshold more than a determination
Dump valve 39 on 30 is opened, so that air is flowed into the exhaust steam passage of internal combustion engine 10 by crankshaft shell 30 by bypass conduit 33
In 51.In the case air to the importing in exhaust steam passage 51 be between the outlet 13 of internal combustion engine 10 and oxidation catalyzer 52
Carry out, internal combustion is made with the exothermic reaction of unburned Hydrocarbon before into oxidation catalyzer 52 will pass through air
The temperature of the waste gas of machine 10 is raised, for example, in a cold-start phase, make oxidation catalyzer 52 quickly reach operating temperature.
Also convertiblely the device 52,54,56 for waste gas reprocessing is arranged in other order.Equally convertiblely
Be used for one or two being removed in the device of waste gas reprocessing from described three, can use a so-called " threeway in addition
Road catalyst converter " replacing oxidation catalyzer, especially when internal combustion engine 10 is made to Otto engine or gas engine.Equally may be used
Consider in conversion：Bypass conduit 33 is passed through exhaust steam passage 51 on another location, especially before particulate filter 54, so as to
The entrance temperature of waste gas is improved when into particulate filter 54 by the importing of auxiliary air, is particularly useful for particulate filter 54
Regeneration.Equally it is contemplated that exhaust steam passage 51 is passed through by bypass conduit bifurcated and on multiple positions.
Another embodiment of burner of the invention is represented in Fig. 2.Internal combustion engine 10 is made to single-cylinder-piston type
Electromotor.Exhaust device 50 includes metering device 70, and wherein metering device 70 is arranged in bypass conduit 33 and by metering
Valve 72 is connected with bypass conduit 33.Metering device 70 is connected with conveyer device 60 by a pipeline 82, wherein conveyer device 60
It is connected with a tank 80 for supporting the fluid of 10 waste gas of internal combustion engine reprocessing by another pipeline 81.In bent axle shell
On body 30, structure has another outlet 32, wherein being connected to a discharge-channel 36 in outlet 32.One is provided with discharge-channel 36
Individual turbine 66, the turbine are connected with a transfer unit 26 of conveyer device 60 by an axle 24.
By conveyer device 60 from tank 80 to metering device 70 convey for support waste gas reprocessing fluid and
Matched somebody with somebody with measuring by metering valve 72 and be given in bypass conduit 33.The fluid is carried out in bypass conduit 33 and from crankshaft shell 30
Gas mixing, this will cause fluid being uniformly distributed on the cross section of bypass conduit 33.Conveyer device 60 by from
The compressed gas of crankshaft shell 30 are driving.The discharge-channel for being driven through crankshaft shell 30 of conveyer device 60 in the case
Turbine 66 in 36 is realizing.Turbine 66, the turbine itself is driven then to drive by axle 24 by 30 expellant gas of crankshaft shell
Transfer unit 26 in conveyer device 60.
Also convertiblely metering device 70 is arranged on exhaust steam passage 51.Can also be without being to pass through one by metering valve
Fluid in metering device 70 is input into bypass conduit 33 or exhaust steam passage 51 by individual gasifier 74.Also convertiblely, by one
Outside driving means, such as one driving belt or a motor are driving conveyer device 60.
Another embodiment of the burner with internal combustion engine 10 of the invention is represented in Fig. 3.In crankshaft shell 30
On to being additionally provided in conveyer device 60 according to the embodiment of Fig. 1, the conveyer device includes a diaphragm in this embodiment
Pump 62.The diaphragm pump 62 has a housing 68, on the housing a fixed diaphragm 63.In housing 68 structure have one it is defeated
Room 66 is sent, the conveying chamber is inserted by one and inhales valve 64 and a pressure valve 65 to close.Diaphragm pump 62 is by housing 68
Individual hole 69 forms through-flow connection with crankshaft shell 30.In addition diaphragm pump 62 passes through the first pipeline 81 and is used to support that waste gas is reprocessed
Adjuvant tank 80 connect and by another pipeline 82 be connected including the metering device 70 of metering valve 72.Metering dress
Put 70 selectively to arrange on exhaust steam passage 51 between the catalyst converter 56 of reducing nitrogen oxides in a particulate filter 54 and one.
Gases cycle ground in oscillating movement crankshaft shell 30 by piston 20 in cylinder 18, and engine speed
Or the synchronization ground of bent axle 40 is compressed and expanded, wherein in crankshaft shell 30, the volume of gas is constituting single cylinder motor
Piston electromotor in the case of during a stroke will change the piston-mode motor total kilometres volume.In the case
Pressure oscillation is formed in crankshaft shell 30, the pressure oscillation is acted on the diaphragm 63 of diaphragm pump 62 and thus in diaphragm pump 62
Conveying chamber 66 in produce a low pressure periodically and one over-pressed.In low pressure for supporting the fluid of waste gas reprocessing by storing up
Standby container 80 is passed through pipeline 81 and the conveying chamber 66 of diaphragm pump 62 is flowed into by suction valve 64, and wherein the fluid is in conveying chamber 66
Metering device 70 is transported to by pipeline 82 when over-pressed.The air supply of crankshaft shell 30 can be cancelled in this embodiment.Conversion
Ground it is contemplated that be supplied to air and for producing pressure similar to the embodiment crankshaft shell 30 of Fig. 1, wherein in crankshaft shell 30
Air under pressure can be used to cool down metering device 70.Can be prevented by the cooling of metering device 70 or at least delay fluid
It is aging, separate out crystal, decompose or formed vapor bubbles.In addition the danger of 70 cause thermal damage of metering device can be reduced, especially works as vacation
Such as due to when space limits metering device 70 to be inevitably set directly on exhaust steam passage 51.Examine additionally convertiblely
Consider, the fluid in metering device 70 is atomized by the long-range air under pressure in crankshaft shell 30.In order to cool down or mist
One bypass conduit 33 is oriented to metering device 70 by crankshaft shell 30 by change.In conversion for some fluids fluid metering
Dispensing also can realize by a carburator 74 that the carburator will replace metering valve 72 to be arranged on exhaust steam passage 51 or other
On paths 33.Fuel can for example be used as fluid, it is especially for improving EGT, as the regeneration of particulate filter
Agent, or using the fluid of harmful substance reduction in waste gas is caused, such as the aqueous solution of urea of nitrogen oxide reduction.
Another embodiment of burner of the invention is represented in Fig. 4, wherein metering device 70 is arranged on bypass
In pipeline 33.Metering device 70 is fixed by contact pin 84, and the contact pin makes metering device 70 be positioned at the centre of bypass conduit 70.
Metering device 70 is connected with conveyer device 60 by a pipeline 82, and wherein conveyer device 60 is by another pipeline 81 and a use
Connect in the tank 80 of fluid.Conveyer device 60 is driven through an additional driving source in this embodiment, for example
Electricity, hydraulic pressure, pneumatic or machinery driving means, especially one unshowned belt drive realizing, Hou Zheyu
Internal combustion engine 10 connects.Fluid is conveyed to metering device 70 by conveyer device 60 and measures ground dispensing by metering valve 72 by there
To in bypass conduit 33.Metering device 70 is cooled down by the compressed gas from crankshaft shell 30 in the case, the compressed gas
Body flows into bypass conduit 33 by dump valve 39 and there flows through from beside metering device 70.
Metering device 70 is made to be arranged on the wall of bypass conduit 33 or in wall also convertiblely, so that metering device only part
Be bypassed pipeline and encase.Cramping body or metering device 70 can be passed through also in addition to the shown fixation by contact pin 84 logical in bypass
Other types of fixation in road 33 is fixing.In addition it is also possible that metering device 70 be arranged on bypass conduit 33 lead to it is useless
Being passed through in region for gas passage 51, is given in exhaust steam passage 51 wherein measuring metering valve 72 and directly matching somebody with somebody fluid metering.
Another embodiment of burner of the invention is represented in Fig. 5, wherein internal combustion engine 10 is made to twin cylinder pair
Put formula electromotor.The piston of two cylinders 18 is fixed on bent axle 40 in pairs, and wherein bent axle 40 is arranged on for two cylinders
In a 18 common crankshaft housing 30.Two pistons 20 of double cylinder engine are transferred force on a bent axle 40, the song
Axle is arranged in a public crankshaft shell 30.The piston by opposed engine is put in twin cylinder opposed engine
20 retrograde motion causes correspondingly strong pressure oscillation in crankshaft shell 30, thus the pressure oscillation or pass through crankshaft shell
In 30, the pressure of gas compression can be effectively utilised.Conveyer device 60, wherein conveyer device are provided with crankshaft shell 30
60 are connected with tank 80 and are connected with bypass conduit 33 by another pipeline 82 by pipeline 81, and the bypass conduit is by bent axle
Housing 30 is oriented to exhaust steam passage 51.
Always increase or reduce two by the volume of the retrograde moving crankshaft housing 30 of the cylinder 11 of opposed engine
The swept volume of cylinder 11.Thus it is capable of achieving the pump power that relative single-cylinder engine twofold substantially increases.In crankshaft shell 30
Pressure can also be used directly for the driving of conveyer device 60, such as by one turbine 66 of expansion driven of compressed air, should
Turbine itself will drive conveyer device 60, especially one pump.The fluid for supporting waste gas reprocessing is used in by conveyer device 60
Metering device 70 is transported to, the metering device for example includes a carburator 74 or a metering valve 72.
Claims (11)
1. the burner of the exhaust device (50) being connected with the internal combustion engine (10) with an internal combustion engine (10) and, its
Described in exhaust device (50) with one be used for derive internal combustion engine (10) waste gas exhaust steam passage (51) and one be used for give up
The device of gas reprocessing, wherein the device for waste gas reprocessing is arranged on exhaust steam passage (51), and wherein, internal combustion engine
(10) with a combustor (15), the combustor by a piston (20) limiting, and its described in piston (20) in the back of the body
On the side of combustor (15) one crankshaft shell (30) of restriction, and its described in crankshaft shell (30) arranged in this wise,
So that as the motion of piston (20) makes gas be compressed in the crankshaft shell (30), wherein：The crankshaft shell (30)
It is connected with the exhaust device (50) in this wise, so that described in the crankshaft shell (30), gas compressed can be fed to
Exhaust device (50),
Wherein, the exhaust device (50) including conveyer device (60), the conveyer device transports fluid into exhaust steam passage
(51) in, it is characterised in that the conveyer device (60) is driven by the compressed gas from the crankshaft shell (30).
2. burner according to claim 1, it is characterised in that：The piston (20) is movably disposed in a cylinder
(18) in, wherein by institute outside the leakage loss that exists between the piston (20) and the cylinder (18) of the piston (20)
State combustor (15) to be hermetically spaced from each other with the crankshaft shell (30) convection cell.
3. the burner according to claim 1 or 2, it is characterised in that：The crankshaft shell (30) is by a bypass conduit
(33) it is connected with the exhaust steam passage (51) of the exhaust device (50).
4. the burner according to claim 1 or 2, it is characterised in that：The piston (20) is made in the crankshaft shell (30)
Pressure oscillation is produced in interior gas compressed, the wherein pressure oscillation drives the conveyer device of the exhaust device (50)
(60) transporting fluid in the exhaust steam passage (51) of the internal combustion engine (10).
5. burner according to claim 1, it is characterised in that：Conveyer device (60) includes a diaphragm pump (62).
6. burner according to claim 4, it is characterised in that：Conveyer device (60) includes a diaphragm pump (62).
7. burner according to claim 3, it is characterised in that：The exhaust device (50) at least has metering device
(70), wherein the metering device (70) is arranged in the bypass conduit (33).
8. burner according to claim 7, it is characterised in that：The metering device (70) is at least in part by the bypass
Pipeline (33) is encased, wherein the metering device (70) is by being compressed and flow through the side in the crankshaft shell (30)
The gas of road pipeline (33) is cooling down.
9. burner according to claim 1, it is characterised in that：The gas is air.
10. the burner of exhaust device (50) for being used for being connected with internal combustion engine (10) with an internal combustion engine (10) and
The method of work, wherein the waste gas of the internal combustion engine (10) is fed to exhaust device (50), the exhaust device is useless with one
Gas passage (51) and a device for being used for waste gas reprocessing, wherein the device for waste gas reprocessing is arranged on the waste gas
On passage (51), wherein a combustor (15) of the internal combustion engine (10) is limited by a piston (20), and wherein one
Individual crankshaft shell (30) is limited by the side for carrying the combustor (15) of the piston (20), and wherein gas passes through
The motion of the piston (20) is compressed in the crankshaft shell (30), wherein：The crankshaft shell (30) in this wise with institute
Exhaust device (50) connection is stated, so that gas compressed is fed to the exhaust device in the crankshaft shell (30)
(50), wherein, including conveyer device (60), the conveyer device transports fluid into exhaust steam passage to the exhaust device (50)
(51) in, it is characterised in that the conveyer device (60) is driven by the compressed gas from the crankshaft shell (30).
11. methods according to claim 10, it is characterised in that：The gas is air.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011083904.6 | 2011-09-30 | ||
| DE102011083904A DE102011083904A1 (en) | 2011-09-30 | 2011-09-30 | Combustion arrangement with an internal combustion engine and an exhaust gas channel and method for exhaust aftertreatment of an internal combustion engine |
| PCT/EP2012/065422 WO2013045157A1 (en) | 2011-09-30 | 2012-08-07 | Combustion assembly having an internal combustion engine and an exhaust channel and method for the exhaust treatment of an internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103857888A CN103857888A (en) | 2014-06-11 |
| CN103857888B true CN103857888B (en) | 2017-05-03 |
Family
ID=46650539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280047660.4A Expired - Fee Related CN103857888B (en) | 2011-09-30 | 2012-08-07 | Combustion assembly having an internal combustion engine and an exhaust channel and method for the exhaust treatment of an internal combustion engine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2761147B1 (en) |
| CN (1) | CN103857888B (en) |
| DE (1) | DE102011083904A1 (en) |
| WO (1) | WO2013045157A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016120846B4 (en) | 2016-11-02 | 2023-04-20 | Volkswagen Aktiengesellschaft | Method for heating up an exhaust gas aftertreatment element and motor vehicle with such an exhaust gas aftertreatment element |
| DE102017201716A1 (en) * | 2017-02-02 | 2018-08-02 | Volkswagen Aktiengesellschaft | Internal combustion engine with a secondary air pump and method for operating an internal combustion engine with a secondary air pump |
| DE102019215449A1 (en) * | 2019-10-09 | 2021-04-15 | Robert Bosch Gmbh | Internal combustion engine with secondary air system |
| US11519317B1 (en) * | 2022-02-03 | 2022-12-06 | GM Global Technology Operations LLC | Engine systems with exhaust air injection after three-way catalytic converters for non stoichiometric rich operation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3672172A (en) * | 1971-03-15 | 1972-06-27 | Gary L Hammond | Simplified supercharged internal combustion engine with emissions control |
| DE2413848A1 (en) * | 1974-03-22 | 1975-10-02 | Erwin Wirsing | After-burner for combustion engine exhaust - has fresh air inlet into exhaust line immediately downstream of exhaust valve |
| EP0354097A1 (en) * | 1988-08-05 | 1990-02-07 | Automobiles Peugeot | Exhaust gas treatment device for a two-stroke internal-combustion engine |
| CN2101115U (en) * | 1991-09-18 | 1992-04-08 | 高云照 | Pressure self-increasing four-stroke engine |
| CN1160433A (en) * | 1994-10-11 | 1997-09-24 | 法国石油研究所 | Pneumatically-controlled air-fuel mixture injection in two-stroke engine |
| CN1217421A (en) * | 1997-11-18 | 1999-05-26 | 木下敏二 | Air-conditioning two-stroke engine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52139825A (en) * | 1976-05-18 | 1977-11-22 | Mitsubishi Motors Corp | Internal combustion engine |
| EP0339969B1 (en) * | 1988-04-27 | 1993-09-29 | Ricardo Group Plc | Two-stroke otto cycle engines |
| DE69522311T2 (en) | 1995-03-20 | 2002-05-02 | Kanebo, Ltd. | Use of phosphoryl compounds for the flame-retardant finishing of synthetic fiber materials based on polyesters |
| DE19961947A1 (en) | 1999-12-22 | 2001-06-28 | Bosch Gmbh Robert | Apparatus, for producing reductant-air mixture, has devices for subjecting air to pressure such that it flows through air feed channel at speed of sound |
| DE102005034704A1 (en) | 2005-07-26 | 2007-02-01 | Robert Bosch Gmbh | Apparatus and method for regeneration of a particulate filter |
-
2011
- 2011-09-30 DE DE102011083904A patent/DE102011083904A1/en not_active Withdrawn
-
2012
- 2012-08-07 CN CN201280047660.4A patent/CN103857888B/en not_active Expired - Fee Related
- 2012-08-07 EP EP12746083.0A patent/EP2761147B1/en not_active Not-in-force
- 2012-08-07 WO PCT/EP2012/065422 patent/WO2013045157A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3672172A (en) * | 1971-03-15 | 1972-06-27 | Gary L Hammond | Simplified supercharged internal combustion engine with emissions control |
| DE2413848A1 (en) * | 1974-03-22 | 1975-10-02 | Erwin Wirsing | After-burner for combustion engine exhaust - has fresh air inlet into exhaust line immediately downstream of exhaust valve |
| EP0354097A1 (en) * | 1988-08-05 | 1990-02-07 | Automobiles Peugeot | Exhaust gas treatment device for a two-stroke internal-combustion engine |
| CN2101115U (en) * | 1991-09-18 | 1992-04-08 | 高云照 | Pressure self-increasing four-stroke engine |
| CN1160433A (en) * | 1994-10-11 | 1997-09-24 | 法国石油研究所 | Pneumatically-controlled air-fuel mixture injection in two-stroke engine |
| CN1217421A (en) * | 1997-11-18 | 1999-05-26 | 木下敏二 | Air-conditioning two-stroke engine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2761147B1 (en) | 2017-10-11 |
| CN103857888A (en) | 2014-06-11 |
| DE102011083904A1 (en) | 2013-04-04 |
| EP2761147A1 (en) | 2014-08-06 |
| WO2013045157A1 (en) | 2013-04-04 |
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