CN112324665A - Oil return structure is concentrated to vortex formula refrigeration compressor - Google Patents
Oil return structure is concentrated to vortex formula refrigeration compressor Download PDFInfo
- Publication number
- CN112324665A CN112324665A CN202011231106.4A CN202011231106A CN112324665A CN 112324665 A CN112324665 A CN 112324665A CN 202011231106 A CN202011231106 A CN 202011231106A CN 112324665 A CN112324665 A CN 112324665A
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- Prior art keywords
- oil return
- scroll
- oil
- vortex
- static
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 34
- 230000003068 static effect Effects 0.000 claims abstract description 60
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001050 lubricating effect Effects 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a centralized oil return structure of a scroll refrigeration compressor, which comprises a static scroll, wherein a static scroll vortex part is arranged on the inner side of the static scroll, the static scroll vortex part is meshed with a movable scroll vortex part of a movable scroll and is spirally connected with the movable scroll, a compression cavity is formed in the rotary connection center of the static scroll vortex part and the movable scroll vortex part, the outer side of the static scroll is connected with a static scroll seat, the inner wall of the static scroll seat and the outer wall of the static scroll enclose to form an oil-gas separation cavity and an oil return cavity, an exhaust port for communicating the compression cavity with the oil-gas separation cavity is arranged in the middle of the static scroll, a first oil return flow channel for communicating the oil return cavity with an oil storage cavity of a bearing is arranged at the bottom of the static scroll, and oil return ribs for collecting oil are arranged above. According to the invention, the arc-shaped oil return ribs are respectively added above the two sides of the oil return opening of the vortex static disc to form a funnel-like structure, so that oil can be quickly concentrated on the oil return opening, the oil return effect is improved, and the oil can be prevented from being deposited at the bottom of the vortex static disc.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a centralized oil return structure of a scroll refrigeration compressor.
Background
The scroll type refrigeration compressor is used as the heart of a refrigeration system, is a fluid machine which compresses sucked low-pressure working medium into high-pressure working medium and then discharges the high-pressure working medium, and the scroll compressor is widely applied due to the characteristics of small volume, low noise, energy conservation, high efficiency and the like. The oil in the scroll refrigeration compressor is an indispensable part in the refrigeration process, and the oil in the system needs to form a good circulation in the use process, so that the scroll refrigeration compressor can achieve the best refrigeration effect.
At present, a scroll type refrigeration compressor is provided with one or two oil return flow passages in a static scroll disc, when the two oil return flow passages are arranged, an oil return opening on the static scroll disc of a general scroll type refrigeration compressor is perpendicular to the end surface of the static scroll disc, and a certain distance is reserved between the oil return opening and the lowest point of the static scroll disc in the gravity direction. During oil return, the oil can only flow back to the low-pressure cavity after being deposited at the bottom of the vortex static disc by depending on the gravity effect of the oil, and the oil return effect of the oil can be influenced by the structure, and the oil can be deposited.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a centralized oil return structure of a scroll refrigeration compressor, which is suitable for the scroll refrigeration compressor with an oil return device, can avoid the deposition of oil, improves the oil return effect and further improves the refrigeration effect of the scroll compressor.
The technical scheme of the invention is as follows:
the utility model provides an oil return structure is concentrated to vortex formula compressor, includes the quiet dish of vortex, the inboard of the quiet dish of vortex is provided with quiet dish vortex portion, quiet dish vortex portion connects soon with the meshing of the driving disk vortex portion of vortex driving disk, quiet dish vortex portion with the center of connecing soon of driving disk vortex portion forms the compression chamber, the outside and the quiet seat of the quiet dish of vortex are connected, the inner wall of quiet seat with the outer wall of the quiet dish of vortex encloses synthetic oil-gas separation chamber and returns oil chamber, the middle part of the quiet dish of vortex is provided with the intercommunication the compression chamber with the gas vent in oil-gas separation chamber, the bottom of the quiet dish of vortex is provided with the intercommunication the first oil return runner in the oil storage chamber of oil return chamber and bearing, oil return mouth both sides top of first oil return runner all is provided with the oil return rib of gathering oil.
According to the invention of the above scheme, an oil return oblique block is arranged below the oil return opening of the first oil return flow passage, and the oil return opening of the first oil return flow passage is arranged on the oblique plane of the oil return oblique block.
Furthermore, an included angle between the inclined plane of the oil return inclined block and the end face of the vortex static disc is 40-60 degrees.
Furthermore, an included angle between the inclined plane of the oil return inclined block and the end face of the vortex static disc is 50 degrees.
According to the invention of the scheme, the two oil return ribs are symmetrically arranged above two sides of the oil return opening of the first oil return flow passage.
According to the invention of the scheme, the oil return ribs are arc-shaped.
According to the invention of the scheme, the oil return ribs are linear, the two oil return ribs are symmetrically arranged above two sides of the oil return opening of the first oil return flow channel, and the two oil return ribs are obliquely arranged towards the direction of the oil return opening of the first oil return flow channel.
According to the invention of the scheme, an oil return filter screen is arranged at the oil return opening of the first oil return flow passage.
According to the invention of the scheme, the bottom of the vortex static disc is provided with a second oil return flow passage which is communicated with the oil return cavity and the end surface of the vortex part of the static disc, and the second oil return flow passage and the first oil return flow passage share one oil return opening.
Furthermore, a sealing strip is arranged on the end surface of the static disc vortex part.
Further, the cross-sectional shapes of the first oil return flow passage and the second oil return flow passage are circular, semicircular, elliptical or rectangular, and the like.
According to the invention of the scheme, a plurality of fixing columns are arranged on the outer side of the vortex static disc, and the vortex static disc is connected with the static disc seat through the fixing columns.
According to the invention of the scheme, the inner wall of the static disc seat is provided with the exhaust oil return pipe, and the exhaust oil return pipe is communicated with the oil-gas separation cavity and the oil return cavity.
According to the invention of the scheme, the outer side of the vortex static disc is provided with the isolation rib, and the isolation rib is arranged between the oil-gas separation cavity and the oil return cavity.
According to the invention of the scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the arc-shaped oil return ribs are respectively added above the two sides of the oil return opening of the vortex static disc to form a funnel-like structure, so that oil can be quickly concentrated on the oil return opening, the oil return effect is improved, and the oil can be prevented from being deposited at the bottom of the vortex static disc;
2. according to the invention, the oil return inclined block is arranged below the oil return port, and the included angle between the inclined plane of the oil return inclined block and the end surface of the vortex static disc is 50 degrees, so that oil can conveniently enter the oil return port under the action of high and low pressure, and the oil is prevented from being deposited at the bottom of the vortex static disc;
3. the oil return filter screen is arranged at the oil return port and used for filtering impurities mixed in oil to ensure the normal operation of the scroll refrigeration compressor;
4. the invention has simple structure and easy realization, is suitable for the scroll refrigeration compressor with the oil return device and can be widely popularized and used in the market.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic view of another embodiment of the present invention;
fig. 4 is a schematic structural view of the oil return filter screen of the present invention without the oil return filter screen.
In the figures, the reference numerals are as follows:
1. a vortex static disc; 2. a stationary scroll wrap; 3. an exhaust port; 4. a first oil return flow passage; 5. oil return ribs; 6. an oil return inclined block; 7. an oil return filter screen; 8. a second oil return flow passage; 9. a sealing strip; 10. fixing a column; 11. isolating ribs; 401. and an oil return port.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and should not be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. "plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, a centralized oil return structure of a scroll refrigeration compressor comprises a scroll static disc 1, a static disc scroll part 2 is arranged on the inner side of the scroll static disc 1, the static disc scroll part 2 is engaged with a movable disc scroll part of a scroll movable disc (not shown, the same below), a compression cavity (not shown, the same below) is formed by the rotation center of the static disc scroll part 2 and the movable disc scroll part, the outer side of the scroll static disc 1 is connected with a static disc seat (not shown, the same below), the inner wall of the static disc seat and the outer wall of the scroll static disc 1 enclose a synthetic oil-gas separation cavity (not shown, the same below) and an oil return cavity (not shown, the same below) (the oil-gas separation cavity and the oil return cavity are high pressure cavities), an exhaust port 3 for communicating the compression cavity and the oil-gas separation cavity is arranged in the middle of the scroll static disc 1, a first oil return channel 4 for communicating the oil return cavity (i.e. the low pressure cavity) of the oil return cavity and the bearing (not shown, the same below) is, the first oil return flow passage 4 is used for lubricating the end faces of the bearing and the vortex moving disc, and oil return ribs 5 for collecting oil are arranged above two sides of an oil return opening 401 of the first oil return flow passage 4. During oil return, oil can be sprayed between the two oil return ribs 5 of the vortex static disc 1 from the oil return port 401 of the exhaust oil return pipe, the oil can be quickly concentrated on the oil return port 401 along with the action of gravity, and finally under the action of high pressure and low pressure, the oil returns to the low pressure cavity from the high pressure cavity through the first oil return flow passage 4 to complete oil circulation.
According to the invention, the oil return ribs 5 are respectively added above two sides of the oil return port 401 of the vortex static disc 1 to form a funnel-like structure, so that oil can be quickly concentrated on the oil return port 401, the oil return effect is improved, and the oil can be prevented from being deposited at the bottom of the vortex static disc 1; the structure is simple, the realization is easy, the device is suitable for the vortex type refrigeration compressor with the oil return device, and the device can be widely popularized and used in the market.
Referring to fig. 4, in the present embodiment, an oil return inclined block 6 is disposed below an oil return opening 401 of the first oil return flow passage 4, and the oil return opening 401 of the first oil return flow passage 4 is disposed on an inclined surface of the oil return inclined block 6. During oil return, oil is quickly concentrated on the inclined surface of the oil return inclined block 6 through the two oil return ribs 5, under the action of high and low pressure, the oil enters from an oil return opening 401 of the inclined surface and returns to the low-pressure cavity through the first oil return flow channel 4, and oil circulation is completed.
Furthermore, the included angle between the inclined plane of the oil return inclined block 6 and the end surface of the static vortex disc 1 is 40-60 degrees, so that oil can conveniently enter the oil return port 401 under the action of high and low pressure, and the oil is prevented from being deposited at the bottom of the static vortex disc 1. Preferably, the included angle between the inclined plane of the oil return inclined block 6 and the end surface of the static vortex disc 1 is 50 degrees, and under the setting of the included angle, the efficiency of oil entering the oil return port 401 under the action of high and low pressure is highest, so that the oil is prevented from being deposited at the bottom of the static vortex disc 1.
Referring to fig. 1, in the present embodiment, the oil return ribs 5 are arc-shaped, and two oil return ribs 5 are symmetrically disposed at the oil return port 401 of the first oil return flow channel 4 to form a funnel-like structure, so that oil can be quickly concentrated on the oil return port 401, the oil return effect is improved, and the oil can be prevented from being deposited at the bottom of the vortex stationary disc 1.
In one embodiment, the oil return ribs 5 may also be linear, the two oil return ribs 5 are symmetrically disposed above two sides of the oil return port 401 of the first oil return flow channel 4, and the two oil return ribs 5 are obliquely disposed toward the oil return port 401 of the first oil return flow channel 4 to form a funnel-like structure, so that oil can be quickly concentrated on the oil return port 401, the oil return effect is improved, and the oil can be prevented from being deposited at the bottom of the vortex static disc 1. The shape of the oil return rib 5 is not limited, and the oil return rib can be a circular arc shape, a linear shape or an irregular line segment, and the like, and can be selected by a person skilled in the art according to actual conditions.
Referring to fig. 1, in one embodiment, an oil return filter 7 is disposed at an oil return port 401 of the first oil return flow passage 4 for filtering impurities mixed in oil to ensure normal operation of the scroll refrigeration compressor.
Referring to fig. 2, in one embodiment, a second oil return flow passage 8 communicating an oil return cavity and an end surface of the fixed scroll portion 2 is further disposed at the bottom of the fixed scroll 1, the second oil return flow passage 8 and the first oil return flow passage 4 share an oil return port 401, the oil return port 401 is slightly higher than the lowest point in the gravity direction of the fixed scroll 1, a sealing strip 9 is disposed on a terminal surface of the fixed scroll portion 2, and the second oil return flow passage 8 can play a role of suspending the sealing strip 9 and can lubricate the end surface of the fixed scroll portion 2.
Further, the cross-sectional shapes of the first oil return flow passage 4 and the second oil return flow passage 8 are circular, semicircular, elliptical, rectangular, or the like. The shapes of the first oil return flow passage 4 and the second oil return flow passage 8 are not limited, and the first oil return flow passage 4 and the second oil return flow passage 8 can be in any shapes, and can be selected by a person skilled in the art according to actual conditions.
Referring to fig. 1, in one embodiment, a plurality of fixing posts 10 are disposed on an outer side of the stationary scroll 1, and the stationary scroll 1 is connected to the stationary scroll seat through the fixing posts 10. Preferably, the number of the fixing posts 10 is 3.
In one embodiment, an exhaust oil return pipe is arranged on the inner wall of the static disc seat and communicated with the oil-gas separation cavity and the oil return cavity. When the scroll refrigeration compressor exhausts, a part of oil is exhausted from an exhaust port 3 on the scroll fixed disc 1 along with high-pressure gas, so that the oil enters an exhaust oil return pipe, the oil in the gas is separated under the action of the exhaust oil return pipe, and finally the oil flows back to an oil return cavity from an oil return port 401 at the bottom of the exhaust oil return pipe.
Referring to fig. 4, in one embodiment, an isolation rib 11 is disposed on an outer side of the stationary scroll 1, and the isolation rib 11 is disposed between the oil-gas separation chamber and the oil return chamber to separate the oil-gas separation chamber from the oil return chamber.
The working principle is as follows:
when the scroll refrigeration compressor exhausts, a part of oil is exhausted from an exhaust port 3 on the scroll fixed disc 1 along with high-pressure gas and enters an oil-gas separation cavity, the high-pressure gas enters an exhaust oil return pipe from the oil-gas separation cavity, the oil in the gas is separated under the action of the exhaust oil return pipe, and the oil is injected to an oil return cavity from an oil return port 401 at the bottom of the exhaust oil return pipe;
during oil return, oil can be sprayed between the two oil return ribs 5 of the vortex static disc 1 in the oil return cavity from the oil return opening 401 of the exhaust oil return pipe, the oil is quickly concentrated on the inclined plane of the oil return inclined block 6 through the two oil return ribs 5 along with the action of gravity, and under the action of high and low pressure, the oil enters from the oil return opening 401 of the inclined plane and returns to the low-pressure cavity through the first oil return flow passage 4 and the second oil return flow passage 8 to complete oil circulation.
The invention has the beneficial effects that:
1. according to the invention, the circular-arc-shaped oil return ribs 5 are respectively added above the two sides of the oil return port 401 of the static vortex disc 1 to form a funnel-like structure, so that oil can be quickly concentrated on the oil return port 401, the oil return effect is improved, and the oil can be prevented from being deposited at the bottom of the static vortex disc 1;
2. according to the invention, the oil return inclined block 6 is arranged below the oil return port 401, and the included angle between the inclined plane of the oil return inclined block 6 and the end surface of the vortex static disc 1 is 50 degrees, so that oil can conveniently enter the oil return port 401 under the action of high and low pressure, and the oil is prevented from being deposited at the bottom of the vortex static disc 1;
3. the oil return filter screen 7 is arranged at the oil return port 401 and used for filtering impurities mixed in oil and ensuring the normal operation of the scroll refrigeration compressor;
4. the invention has simple structure and easy realization, is suitable for the scroll refrigeration compressor with the oil return device and can be widely popularized and used in the market.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
The invention is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.
Claims (10)
1. The utility model provides an oil return structure is concentrated to vortex formula refrigeration compressor, its characterized in that, includes the quiet dish of vortex, the inboard of the quiet dish of vortex is provided with quiet dish vortex portion, quiet dish vortex portion connects with the meshing of the driving disk vortex portion of vortex driving disk soon, quiet dish vortex portion with the center that connects soon of driving disk vortex portion forms the compression chamber, the outside and the quiet dish seat of the quiet dish of vortex are connected, the inner wall of quiet dish seat with the outer wall of the quiet dish of vortex encloses into oil-gas separation chamber and oil return chamber, the middle part of the quiet dish of vortex is provided with the intercommunication the compression chamber with the gas vent in oil-gas separation chamber, the bottom of the quiet dish of vortex is provided with the intercommunication the first oil return runner in the oil storage chamber of oil return chamber and bearing, oil return mouth both sides top of first oil return runner all is provided with the oil return rib that gathers oily.
2. The centralized oil return structure of a scroll refrigeration compressor according to claim 1, wherein an oil return sloping block is disposed below an oil return opening of the first oil return flow passage, and the oil return opening of the first oil return flow passage is disposed on an inclined surface of the oil return sloping block.
3. The centralized oil return structure of the scroll refrigeration compressor as recited in claim 2, wherein an angle between an inclined surface of the oil return swash block and an end surface of the scroll stationary disk is 40 ° to 60 °.
4. The centralized oil return structure of the scroll refrigeration compressor as recited in claim 3, wherein an angle between an inclined surface of the oil return swash block and an end surface of the scroll stationary disk is 50 °.
5. The centralized oil return structure of the scroll refrigeration compressor according to claim 1, wherein two oil return ribs are symmetrically disposed above two sides of an oil return port of the first oil return flow passage.
6. The centralized oil return structure of the scroll refrigeration compressor according to claim 1, wherein the oil return ribs are arc-shaped.
7. The centralized oil return structure of the scroll refrigeration compressor according to claim 1, wherein an oil return screen is disposed at an oil return port of the first oil return flow passage.
8. The centralized oil return structure of the scroll refrigeration compressor according to claim 1, wherein a second oil return flow passage is provided at a bottom of the stationary scroll for communicating the oil return chamber with an end surface of the scroll portion of the stationary scroll, and the second oil return flow passage and the first oil return flow passage share an oil return port.
9. The centralized oil return structure of the scroll refrigeration compressor according to claim 8, wherein a sealing strip is disposed on a terminal surface of the fixed scroll portion.
10. The centralized oil return structure of the scroll refrigeration compressor as recited in claim 1, wherein a plurality of fixing posts are disposed on an outer side of the static scroll disk, and the static scroll disk is connected to the static disk seat through the fixing posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231106.4A CN112324665A (en) | 2020-11-06 | 2020-11-06 | Oil return structure is concentrated to vortex formula refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231106.4A CN112324665A (en) | 2020-11-06 | 2020-11-06 | Oil return structure is concentrated to vortex formula refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112324665A true CN112324665A (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011231106.4A Pending CN112324665A (en) | 2020-11-06 | 2020-11-06 | Oil return structure is concentrated to vortex formula refrigeration compressor |
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| CN (1) | CN112324665A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1182338A (en) * | 1997-08-29 | 1999-03-26 | Denso Corp | Scroll type compressor |
| CN1683794A (en) * | 2004-04-13 | 2005-10-19 | 三电有限公司 | Compressor |
| CN202789539U (en) * | 2012-06-29 | 2013-03-13 | 比亚迪股份有限公司 | Oil return device of scroll compressor |
| CN206206153U (en) * | 2016-09-21 | 2017-05-31 | 比亚迪股份有限公司 | Compressor |
| CN209671216U (en) * | 2019-03-18 | 2019-11-22 | 山东众诚新能源股份有限公司 | Screw compressor gas and oil separating plant |
| CN211500966U (en) * | 2019-12-31 | 2020-09-15 | 比亚迪股份有限公司 | Scroll compressor and vehicle with same |
| CN111810407A (en) * | 2020-08-10 | 2020-10-23 | 珠海凌达压缩机有限公司 | Oil-gas separation structure of compressor, compressor and air conditioner |
-
2020
- 2020-11-06 CN CN202011231106.4A patent/CN112324665A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1182338A (en) * | 1997-08-29 | 1999-03-26 | Denso Corp | Scroll type compressor |
| CN1683794A (en) * | 2004-04-13 | 2005-10-19 | 三电有限公司 | Compressor |
| CN202789539U (en) * | 2012-06-29 | 2013-03-13 | 比亚迪股份有限公司 | Oil return device of scroll compressor |
| CN206206153U (en) * | 2016-09-21 | 2017-05-31 | 比亚迪股份有限公司 | Compressor |
| CN209671216U (en) * | 2019-03-18 | 2019-11-22 | 山东众诚新能源股份有限公司 | Screw compressor gas and oil separating plant |
| CN211500966U (en) * | 2019-12-31 | 2020-09-15 | 比亚迪股份有限公司 | Scroll compressor and vehicle with same |
| CN111810407A (en) * | 2020-08-10 | 2020-10-23 | 珠海凌达压缩机有限公司 | Oil-gas separation structure of compressor, compressor and air conditioner |
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Application publication date: 20210205 |