CN1118632C - Fluid machinery - Google Patents
Fluid machinery Download PDFInfo
- Publication number
- CN1118632C CN1118632C CN98123457A CN98123457A CN1118632C CN 1118632 C CN1118632 C CN 1118632C CN 98123457 A CN98123457 A CN 98123457A CN 98123457 A CN98123457 A CN 98123457A CN 1118632 C CN1118632 C CN 1118632C
- Authority
- CN
- China
- Prior art keywords
- sealed case
- suction
- fluid machinery
- mechanism portion
- mechanical part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 20
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 239000003921 oil Substances 0.000 claims abstract description 12
- 239000010687 lubricating oil Substances 0.000 claims abstract description 4
- 239000003507 refrigerant Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract 3
- 239000011295 pitch Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 239000000446 fuel Substances 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/10—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member
- F04C18/107—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth equivalents, e.g. rollers, than the inner member with helical teeth
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
Abstract
一种流体机械，将由定子11与转子15组成的电动机构部7设置在密封箱1的上部，在气缸23中设置利用电动机构部7而受到回转运动的滚柱25，用螺旋间距不同的螺旋状叶片39形成工作室41的压缩机构部9配置在密封箱1的下部，从而将润滑油的供油扬程设得较低，密封箱1内通过吸入管5而将吸入气体导入密封箱1内而形成低压的环境，从而可确保压缩机构部的可靠的润滑状态。
A fluid machine, the electric mechanism part 7 composed of the stator 11 and the rotor 15 is arranged on the upper part of the sealed box 1, and the roller 25 which is subjected to the rotary motion by the electric mechanism part 7 is arranged in the cylinder 23, and the screw with different pitches is used. Shaped vane 39 forms the compression mechanism part 9 of working chamber 41 and is arranged in the lower part of sealing box 1, thus the oil supply lift of lubricating oil is set lower, and in sealing box 1, suction gas is introduced into sealing box 1 through suction pipe 5 By forming a low-pressure environment, a reliable lubrication state of the compression mechanism can be ensured.
Description
Technical field
The present invention relates to for example to be suitable for the fluid machinery of the helical blade type of compressor, decompressor, pump etc.
Background technique
The structure of helical blade type fluid machinery in the past is the eccentric roller piston of configuration in cylinder, in the spiral groove that is formed at this roll-type piston outer circumferential face, install around blade and in cylinder, form the working room, and the relative movement by cylinder and roll-type piston makes the refrigeration agent that flows into the working room from the suction side of cylinder carry successively to exhaust end one side of cylinder, and the gas that contingency is discharged in the sealed case is discharged to the outside.
The fluid machinery of helical blade type at first guides to compression mechanical part owing to will directly sucking gas, and discharge in sealed case the compression back, outwards sends from the discharge tube of being located on the sealed case, so be the environment of high pressure in the sealed case again.
Secondly, on compressed configuration, owing to press part extends vertically, so the distance of bearing is elongated.
Therefore, for the lubricant oil in the sealed case that becomes hyperbaric environment, uprise because of refrigeration agent dissolves in many oily temperature, so viscosity reduces easily, especially the elongated compression mechanical part of the distance of bearing easily produces insufficient lubrication.
In addition, if refrigeration agent uses the high-pressure refrigerant of HFC system,, then compare with existing R22 as R410A, saturation pressure is up to about 1.5 times, and withstand voltage for the sealed case that will fully guarantee to become high pressure, the wall thickness of sealed case must be done greatly, like this, both gained in weight, can not reduce by expected cost again.
So, the objective of the invention is to, a kind of fluid machinery that can eliminate the problems referred to above is provided.
For achieving the above object, the present invention is, in the compression mechanical part that will be made up of cylinder, roller, blade and the mechanism portion that drives this compression mechanical part are configured in fluid machinery in the sealed case, in the described sealed case, to suck gas is directed to becomes low pressure in the sealed case environment by suction pipe, and respectively at the bottom of sealed case configuration compression mechanical part, in the top of sealed case configuration mechanism portion, dispose described suction pipe at mechanism portion side area of space, mechanism portion is cooled off by described suction gas.
Adopt this fluid machinery, guide the environment that becomes low pressure in the sealed case because of sucking gas into by suction pipe, thereby lubricant oil can not be under pressure strongly, Temperature Influence, can guarantee enough viscosity.And, for the compression mechanical part that is configured in the sealed case bottom, get final product with the less fuel feeding lift that comes from the sealed case bottom.Its result, bearing and compression mechanical part can obtain satisfactory lubricating status.In addition, but the sealed case thin-walled property, thus obtain lightweight.
In addition,, suction pipe is configured in the upper space zone of mechanism portion, so that directly do not send in the working room with sucking the liquid refrigerant that gas sends into, thereby aerifies because of heat from suction pipe for the present invention.
Perhaps, in the upper end portion of the rotor that constitutes mechanism portion, the swivel plate that the liquid refrigerant of sending into refrigerant gas from suction pipe is shaken out to periphery is set.
In addition,, utilize to suck gas mechanism portion is cooled off, raising the efficiency, and suction pipe is configured between mechanism portion and the compression mechanical part for the present invention.
In addition, for the present invention,, the working room of compression mechanical part is made from becoming the top suction of mechanism portion side, the structure of discharging from the below for obtaining high efficiency suction.
Perhaps, the equilibrium block that the suction port of working room is arranged on the running shaft that is formed at the roller inboard is done on the perisporium of equilibrium block chamber of rotation, so that available centrifugal force is sent into suction gas.
Perhaps, the suction port that makes the working room from the equilibrium block chamber by be located on the running shaft suction passage and with sealed case in be communicated with.
Perhaps, in the suction passage on being located at running shaft, be provided with suction gas and lubricant oil are carried out the separated lubricating oil separating member.
Perhaps, in the suction passage on being located at running shaft, one-way valve from the sealed case to the suction passage side flow that only allow in is set.
Owing to the working room that in the liquid refrigerant contingency importing sealed case that suction gas is sent into, can directly not be attracted to compression mechanical part from suction pipe, so can prevent aqueous compression.In addition, liquid refrigerant is aerified because of the heat of mechanism portion, and the swivel plate of the liquid refrigerant utilization that does not aerify rotation and shaking out to periphery, the result does not suck liquid refrigerant, can prevent overload operation.
In addition, send into suction gas in the sealed case 1 by mechanism portion and utilize to suction passage and flow and can mechanism portion be cooled off, so especially can improve the efficient of mechanism portion.
The simple declaration of accompanying drawing
Fig. 1 is the schematic sectional view of fluid machinery of the present invention.
Fig. 2 is arranged on the identical schematic sectional view with Fig. 1 between electrical mechanisms portion and the compression mechanical part with suction pipe.
The working of an invention form
Below, specify example of the present invention in conjunction with Fig. 1 and Fig. 2.
Among Fig. 1,1 expression is as the sealed case of the sealed type fluid machinery 3 of compressor use.On sealed case 1, be provided with the suction pipe 5 of refrigeration cycle,, dispose respectively as the mechanism portion 7 of drive unit and compression mechanical part 9 as compression set in inside, compression mechanical part 9 is in the bottom of sealed case 1, and mechanism portion 7 is on the top of sealed case 1.
Mechanism portion 7 is made up of stator 11 that is fixed on sealed case 1 internal face and the rotor 15 that is installed on the running shaft 13, makes stator 11 energisings by terminal assembly department 2, and by rotor 15 rotating power is acted on the running shaft 13.
Running shaft 13 is the long up and down shape of the running shaft of double as compression mechanical part 9, by on the internal face that is fixed on case 1, and with the 17a of bearing portion rotate supporting rotating shaft 13 freely roughly intermediate portion main bearing member 17 and rotate freely with the 19a of bearing portion that the supplementary bearing member 19 of supporting rotating shaft 13 underparts supports.
Compression mechanical part 9 fixes the inside of the cylinder 23 of supporting with described main bearing member 17 and supplementary bearing member 19 at two ends up and down, dispose roller 25 cylindraceous along the axial of cylinder 23.Bearing portion 27 intercalations of roller 25 utilize the rotation of eccentric axial portion 29 at eccentric axial portion 29 places of running shaft 13, and a part contacts as line with the inner peripheral surface of cylinder 23 periphery of roller 25 by partition ring 31 described later, gives not produce the rotation motion of rotation simultaneously.
Inboard at roller 25, equilibrium for the centrifugal force of obtaining the eccentric axial portion 29 that acts on running shaft 13, be the opposite shape of 180 degree with direction and eccentric axial portion 29 and be configured in the equilibrium block 35 of doing rotation in the equilibrium block chamber 33 that is formed at roller 25 inboards, and windage loss is suppressed lessly.Outer circumferential face at roller 25 is provided with spiral groove 37, and the spacing of suction side one side (accompanying drawing upside) of this spiral groove 37 is set maximumly, and following spacing is set lessly to exhaust end one side (accompanying drawing downside) successively.
In spiral groove 37, utilize elastic force and air pressure and embed the spiral blade 39 of freely coming in and going out.Thus, form each working room 41, and the volume maximum of the working room 41 of suction side one side.The volume of each following working room 41 is set lessly to the below that becomes exhaust end one side successively, and 41 the compression direction in the working room sucks gases by 43 guiding of the suction port on equilibrium block chamber 33 peripheral wall surfaces that are arranged on roller 25, compresses downwards from the top.
Become the last working room 41 of below, connect with the discharge tube 47 that outside sealed case 1, extends.
The suction port 43 that is located on 33 peripheral wall surfaces of equilibrium block chamber is communicated with by the suction passage 49 that is provided with along running shaft 13 axle center with in the sealed case 1.
Though the shapes that lubrication channel 51 is made in processing and suction passage 49 is connected mutually, the diameter of suction passage 49 is made greater than lubrication channel 51, and utilizes the lubricating oil separation member 53 that is provided with and separate independently this suction passage 49 in.
Be provided with utilization in the upper end portion of suction passage 49 and only allow the one-way valve 55 that flows from sealed case 1 one side direction suction passages 49 because of the elastic force that makes progress of energizing spring 54, having in the upper fixed of one-way valve 55 can be with the swivel plate 57 of rotor 15 rotations, to cover the top of one-way valve 55.
Adopt the fluid machinery 3 that so constitutes, the suction gas of sending in the sealed case 1 from suction pipe 5 imports working room 41, and compresses downwards from the top by suction passage 49, equilibrium block chamber 33, suction port 43.
In addition, when running stops, utilizing the characteristics of one-way valve 55, the suction gases in the suction passage 49 do not have the interior anxiety of the sealed case of turning back to 1.
In addition, the lubricant oil from oil pump 59 supplies to each sliding position by lubrication channel 51.At this moment, because lubricant oil can not be subjected to the influence of high temperature, high pressure, and compression mechanical part 9 is configured in the bottom and the fuel feeding lift is low get final product, so can carry out lubricating reliably to bearing and compression mechanical part 9.
In addition, for this example,, also can implement for decompressor, pump etc. though be that compressor is illustrated.
As mentioned above, adopt the present invention, owing to make the environment of low pressure in the sealed case, so lubricant oil can not be subjected to the influence of high temperature, high pressure strongly, thereby can guarantee good viscosity, and, because the fuel feeding lift to the compression mechanical part that is configured in the sealed case bottom is got final product than low, so bearing and compression mechanical part can obtain reliable lubricating status.And, can make the sealed case thin-walled property, thereby obtain lightweight.
In addition, because the liquid refrigerant of sending in the sealed case can separate reliably with suction gas,, except preventing the overload operation situation, also can utilize the cooling of mechanism portion to obtain high efficiency operating condition so can not suck the working room.
Claims (7)
1. fluid machinery in the compression mechanical part that will be made up of cylinder, roller, blade and the mechanism portion that drives this compression mechanical part are configured in fluid machinery in the sealed case, is characterized in that,
In the described sealed case, to suck gas is directed to becomes low pressure in the sealed case environment by suction pipe, respectively at the bottom of sealed case configuration compression mechanical part, in the top of sealed case configuration mechanism portion, dispose described suction pipe at mechanism portion side area of space, mechanism portion is cooled off by described suction gas.
2. fluid machinery as claimed in claim 1 is characterized in that, in the upper end portion of the rotor that constitutes mechanism portion, the swivel plate that the liquid refrigerant that will send into refrigerant gas from suction pipe shakes out to periphery is set.
3. fluid machinery as claimed in claim 1 is characterized in that, the structure that sucks, discharges from the below from the top that becomes mechanism portion one side is made by the working room of compression mechanical part.
4. fluid machinery as claimed in claim 1 is characterized in that, the equilibrium block that the suction port of working room is arranged on the running shaft that is formed at the roller inboard is done on the perisporium of equilibrium block chamber of rotation.
5. fluid machinery as claimed in claim 4 is characterized in that, the suction port of working room from the equilibrium block chamber by be arranged on the running shaft suction passage and with sealed case in be communicated with.
6. as fluid machinery as described in the claim 5, it is characterized in that, in the suction passage on being located at running shaft, be provided with suction gas and lubricant oil are carried out the separated lubricating oil separating member.
7. fluid machinery as claimed in claim 5 is characterized in that, in the suction passage on being located at running shaft, one-way valve from the sealed case to the suction passage side flow that only allow in is set.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP289847/97 | 1997-10-22 | ||
| JP9289847A JPH11125193A (en) | 1997-10-22 | 1997-10-22 | Fluid machine |
| JP289847/1997 | 1997-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1215133A CN1215133A (en) | 1999-04-28 |
| CN1118632C true CN1118632C (en) | 2003-08-20 |
Family
ID=17748544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98123457A Expired - Fee Related CN1118632C (en) | 1997-10-22 | 1998-10-22 | Fluid machinery |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH11125193A (en) |
| KR (1) | KR100299589B1 (en) |
| CN (1) | CN1118632C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10212940A1 (en) * | 2002-03-22 | 2003-10-02 | Leybold Vakuum Gmbh | Eccentric pump and method for operating this pump |
| CN105545749B (en) * | 2016-03-04 | 2018-09-18 | 广东美芝制冷设备有限公司 | Rotary compressor and refrigeration system with it |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4871304A (en) * | 1987-07-31 | 1989-10-03 | Kabushiki Kaisha Toshiba | Axial flow fluid compresser |
| CN1041638A (en) * | 1988-09-28 | 1990-04-25 | 三菱电机株式会社 | Low pressure container type rotary piston compressor |
| US5174737A (en) * | 1990-06-28 | 1992-12-29 | Kabushiki Kaisha Toshiba | Fluid compressor with spiral blade |
| US5332377A (en) * | 1991-05-09 | 1994-07-26 | Kabushiki Kaisha Toshiba | Compressor with oversized blade |
| US5542832A (en) * | 1994-03-31 | 1996-08-06 | Kabushiki Kaisha Toshiba | Rotary fluid compressor having an oldham mechanism |
-
1997
- 1997-10-22 JP JP9289847A patent/JPH11125193A/en active Pending
-
1998
- 1998-10-12 KR KR1019980043093A patent/KR100299589B1/en not_active IP Right Cessation
- 1998-10-22 CN CN98123457A patent/CN1118632C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4871304A (en) * | 1987-07-31 | 1989-10-03 | Kabushiki Kaisha Toshiba | Axial flow fluid compresser |
| CN1041638A (en) * | 1988-09-28 | 1990-04-25 | 三菱电机株式会社 | Low pressure container type rotary piston compressor |
| US5174737A (en) * | 1990-06-28 | 1992-12-29 | Kabushiki Kaisha Toshiba | Fluid compressor with spiral blade |
| US5332377A (en) * | 1991-05-09 | 1994-07-26 | Kabushiki Kaisha Toshiba | Compressor with oversized blade |
| US5542832A (en) * | 1994-03-31 | 1996-08-06 | Kabushiki Kaisha Toshiba | Rotary fluid compressor having an oldham mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1215133A (en) | 1999-04-28 |
| KR19990037099A (en) | 1999-05-25 |
| KR100299589B1 (en) | 2002-01-15 |
| JPH11125193A (en) | 1999-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1071846C (en) | Lubricant oil separating mechanism for compressor | |
| JP3335656B2 (en) | Horizontal compressor | |
| JP4864572B2 (en) | Rotary compressor and refrigeration cycle apparatus using the same | |
| CN1261692C (en) | Sealed rotor duplex compressor and manufacturing method thereof | |
| CN101063452A (en) | Hermetic rotary compressor and refrigeration cycle apparatus | |
| CN1030967A (en) | fluid compressor | |
| JPH10501044A (en) | Rotary compressor | |
| CN1489673A (en) | scroll compressor | |
| CN100343518C (en) | Multi-cylinder compressor | |
| CN1118632C (en) | Fluid machinery | |
| KR20040092381A (en) | Horizontal Rotary Compressor | |
| WO2018132591A1 (en) | Fluid compressor | |
| CN1027390C (en) | High-pressure mini-compressor | |
| US7186098B2 (en) | Eccentric pump and method for operation of said pump | |
| CN1788164A (en) | Rotary compressor | |
| CN1757927A (en) | Orbiting vane compressor | |
| CN1626814A (en) | Vibration-proof structure in rotating type compressor | |
| CN206801866U (en) | A kind of compressor | |
| CN207111436U (en) | A kind of compressor | |
| CN1094567C (en) | Fluid compressor | |
| JPH01232192A (en) | Horizontal rotary compressor | |
| CN1080389C (en) | fluid compressor | |
| JPH0291494A (en) | Multicylinder rotary compressor | |
| CN114718876B (en) | Oil supply system and compressor | |
| KR100531282B1 (en) | Rotary compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |