CN108691746A - Compressor and air conditioning system - Google Patents
Compressor and air conditioning system Download PDFInfo
- Publication number
- CN108691746A CN108691746A CN201810738524.9A CN201810738524A CN108691746A CN 108691746 A CN108691746 A CN 108691746A CN 201810738524 A CN201810738524 A CN 201810738524A CN 108691746 A CN108691746 A CN 108691746A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- compressor
- oil
- lower flange
- slot
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 10
- 238000005057 refrigeration Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 239000003507 refrigerant Substances 0.000 claims abstract description 15
- 238000007710 freezing Methods 0.000 claims description 17
- 230000008014 freezing Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000008141 laxative Substances 0.000 claims description 2
- 230000002475 laxative effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 21
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention relates to the technical field of air conditioners and discloses a compressor and an air conditioning system, wherein the compressor comprises a compressor body, a gas-liquid separator and a connecting pipe; wherein: the bottom side of the gas-liquid separator is provided with a refrigeration oil outlet; the compressor body comprises a cylinder and a lower flange which is coaxially arranged with the cylinder and connected to one side of the cylinder; the cylinder body of the cylinder is provided with a first channel connected with the refrigerating oil outlet through a connecting pipe; the lower flange is provided with a second channel which is communicated with the first channel and the oil pool of the compressor body. In this compressor, the refrigeration oil among the vapour and liquid separator is exported by the refrigeration oil and flows back to in the oil bath through first passageway and the second passageway in the compressor body, improves the oil return efficiency of compressor, and the refrigeration oil is when first passageway circulation, absorbs the partly heat of cylinder body, plays the cooling effect to the cylinder, has the cooling effect indirectly to this internal part refrigerant of compressor, has the effect that reduces the compressor consumption and reduce exhaust temperature, does benefit to the reliability that improves the compressor.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of compressor and air-conditioning system.
Background technology
Within air-conditioning systems, the refrigeration oil accumulated in gas-liquid separator for compressor conventional at present passes through steel pipe in separator
On oil return hole enter in steel pipe and mixed with compressor air suction after, return in compressor chamber body.Wherein, the oil return effect of compressor
It is influenced by the oil return hole design on the steel pipe in gas-liquid separator, that is, the design size of oil return hole can be because of steel in gas-liquid separator
The setting condition of pipe is restricted, and since the size of oil return hole is limited, can not ensure (to be under any circumstance more severe feelings by it
Under condition, the refrigeration oil meeting showed increased in gas-liquid separator is accumulated in), so that refrigeration oil is returned in time in compressor chamber body, causes
Oil return is less efficient.
Invention content
The present invention provides a kind of compressor and air-conditioning system, in the compressor, the refrigeration oil in gas-liquid separator is by cold
Frozen oil outlet outflow, pressure is flow back into through the second channel on the first passage and lower flange on cylinder block in compressor ontology
In the oil sump of contracting machine ontology, the oil return efficiency of compressor is effectively improved, and refrigeration oil is in the first passage circulation of cylinder, it can be with
A part of heat for effectively absorbing cylinder block, plays cylinder certain cooling effect, can be indirectly in compressor body
Part refrigerant play cooling effect, have reduce compressor power consumption and reduce delivery temperature effect, be conducive to improve compression
The reliability of machine..
In order to achieve the above objectives, the present invention provides following technical scheme:
A kind of compressor, including compressor body, gas-liquid separator and connecting tube;Wherein:
The bottom side of the gas-liquid separator is equipped with the freezing oil export for refrigeration oil outflow;
The compressor body includes:Cylinder and the laxative remedy for being arranged and being connected to the cylinder side with the cylinder coaxial
It is blue;
The cylinder body of the cylinder, which is provided with, to circulate for refrigeration oil and by the connecting tube and the gas-liquid separator
Freeze the first passage of oil export connection;
The lower flange is equipped with the oil sump that the first passage and the compressor body are circulated and be connected to for refrigeration oil
Second channel.
In above-mentioned compressor, gas-liquid separator bottom is provided with freezing oil export, and compressor body includes cylinder, cylinder
It is provided with the first passage to circulate for refrigeration oil on cylinder body, one end of first passage is cold by connecting tube and gas-liquid separator
The bottom side of frozen oil outlet, cylinder is provided with lower flange, it is to be appreciated that by the operating position of compressor in the present embodiment,
In compressor body, lower flange is located at the lower section of cylinder, is provided with the second channel to circulate for refrigeration oil on lower flange, and second
Channel is connected to first passage, and second channel is connected to positioned at the oil sump of compressor body bottom, that is, gas-liquid separator it is cold
Frozen oil outlet, connecting tube, first passage and second channel form a refrigeration oil and flow back into compressor sheet from gas-liquid separator
The circulation passage of the oil sump of body, and the refrigeration oil in gas-liquid separator by first passage on cylinder block in compressor and
Second channel on lower flange flows into the oil sump of compressor, can make to accumulate in refrigeration oil in gas-liquid separator smoothly and compared with
It quickly flow back into the oil sump of compressor body, effectively improves the oil return efficiency of compressor, and refrigeration oil is the first of cylinder
When passage flow, a part of heat of cylinder block can be effectively absorbed, certain cooling effect is played to cylinder, it can be indirect
Cooling effect is played to the part refrigerant in compressor body, there is the effect for reducing compressor power consumption and reducing delivery temperature,
Be conducive to improve the reliability of compressor.
Therefore, in above-mentioned compressor, the refrigeration oil in gas-liquid separator is exported by refrigeration oil to flow out, through in compressor ontology
The second channel on first passage and lower flange on cylinder block is flow back into the oil sump of compressor body, effectively improves pressure
The oil return efficiency of contracting machine, and refrigeration oil can effectively absorb a part of heat of cylinder block in the first passage circulation of cylinder
Amount, plays cylinder certain cooling effect, can play cooling effect to the part refrigerant in compressor body indirectly, there is drop
Low compressor power consumption and the effect for reducing delivery temperature are conducive to the reliability for improving compressor.
Preferably, the first passage specifically includes:
Cylinder body set on the cylinder and the radial slot that is radially extended along the cylinder body of the cylinder, the radial direction slot back of the body
The port of the central axis of cylinder body from the cylinder is connected by the freezing oil export of the connecting tube and the gas-liquid separator
It connects;
It is formed in what the cylinder body of the cylinder extended towards the surface of the lower flange and around the central axis of the cylinder
Arcuate furrow;
Set on the slot of the cylinder body and the connection arcuate furrow and the radial slot of the cylinder;
Wherein, the lower flange coordinates towards the surface of the cylinder body and the cylinder body and for covering first slot
With arcuate furrow the cylinder body towards the lower flange surface formed opening, the second straight slot of the lower flange with it is described
Arcuate furrow is connected to.
Preferably, the second channel specifically includes:Set on the lower flange inner wall surface and with the compressor sheet
The groove of the oil sump connection of body;
Set on the lower flange and the oblique straight slot of the connection arcuate furrow and the groove.
Preferably, the groove is along the straight line connected in star being arranged with the direction of the centerline axis parallel of the lower flange.
Preferably, the radial slot is ladder slot, and along the direction of the central axis towards the cylinder, the diameter
It is gradually reduced to the diameter of slot.
Preferably, along the extending direction of the central axis of the cylinder, the depth dimensions of the arcuate furrow are less than or wait
In the one third of the thickness of the cylinder body of the cylinder.
Preferably, the fan-shaped angle that the arcuate furrow is formed around the central axis of the cylinder be more than or equal to
155 ° and be less than or equal to 165 °.
Preferably, the compressor body have for refrigerant by refrigerant inlet, the gas-liquid separator be equipped with use
In the steel pipe of refrigerant circulation, the steel pipe is connect with the refrigerant inlet of the compressor, and the steel pipe is equipped with for cooling down
Oil by oil return hole.
The present invention also provides a kind of air-conditioning systems, including any one compressor provided in above-mentioned technical proposal.
Description of the drawings
Fig. 1 is the partial structural diagram of compressor provided in an embodiment of the present invention;
Fig. 2 is cylinder provided in an embodiment of the present invention and the partial sectional view after lower flange installation;
Fig. 3 is the schematic top plan view of the cylinder body of cylinder provided in an embodiment of the present invention;
Fig. 4 is the sectional view of lower flange provided in an embodiment of the present invention;
Icon:1- compressor bodies;2- gas-liquid separators;3- connecting tubes;11- cylinders;12- lower flanges;13- oil sumps;14-
Cavity;21- freezes oil export;22- steel pipes;111- radial direction slots;112- slots;113- arcuate furrows;121- grooves;122- is oblique
To straight slot;221- oil return holes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, a kind of compressor provided in an embodiment of the present invention, including compressor body 1, gas-liquid separator 2 with
And connecting tube 3;Wherein:The bottom side of gas-liquid separator 2 is equipped with the freezing oil export 21 for refrigeration oil outflow;Compressor body 1
Including:Cylinder 11 and the lower flange 12 that 11 side of cylinder is coaxially disposed and be connected to cylinder 11;The cylinder body of cylinder 11 is provided with
The first passage for circulating for refrigeration oil and being connect with the freezing oil export 21 of gas-liquid separator 2 by connecting tube 3;Lower flange 12
Second channel equipped with the oil sump 13 for circulating and being connected to first passage and compressor body 1 for refrigeration oil.
In above-mentioned compressor, 2 bottom of gas-liquid separator is provided with freezing oil export 21, and compressor body 1 includes cylinder 11,
The first passage to circulate for refrigeration oil is provided on the cylinder body of cylinder 11, one end of first passage passes through connecting tube 3 and gas-liquid
The freezing oil export 21 of separator 2 is connected to, and the bottom side of cylinder 11 is provided with lower flange 12, it is to be appreciated that by being pressed in the present embodiment
The operating position of contracting machine, in compressor body 1, lower flange 12 is located at the lower section of cylinder 11, is provided with and is used on lower flange 12
The second channel of refrigeration oil circulation, second channel be connected to first passage, and second channel and is located at 1 bottom of compressor body
Oil sump 13 is connected to, that is, freezing oil export 21, connecting tube 3, first passage and the second channel of gas-liquid separator 2 form one
Refrigeration oil flows back into the circulation passage of the oil sump 13 of compressor body 1, and the freezing in gas-liquid separator 2 from gas-liquid separator 2
Oil flows into the oil sump of compressor by the first passage on 11 cylinder body of cylinder in compressor and the second channel on lower flange 12
In 13, it can make the refrigeration oil accumulated in gas-liquid separator 2 smoothly and the oil sump 13 for flowing back into compressor body 1 faster
In, the oil return efficiency of compressor is effectively improved, and refrigeration oil can effectively absorb cylinder in the first passage circulation of cylinder 11
A part of heat of 11 cylinder bodies, plays cylinder 11 certain cooling effect, can be indirectly cold to the part in compressor body 1
Matchmaker plays cooling effect, there is the effect for reducing compressor power consumption and reducing delivery temperature, is conducive to improve the reliable of compressor
Property.
Therefore, in above-mentioned compressor, the refrigeration oil in gas-liquid separator 2 is flowed out by freezing oil export 21, through compressor sheet
The first passage on 11 cylinder body of cylinder and the second channel on lower flange 12 flow back into the oil sump 13 of compressor body 1 in body 1
In, the oil return efficiency of compressor is effectively improved, and refrigeration oil can effectively absorb cylinder in the first passage circulation of cylinder 11
A part of heat of 11 cylinder bodies, plays cylinder 11 certain cooling effect, can be indirectly cold to the part in compressor body 1
Matchmaker plays cooling effect, there is the effect for reducing compressor power consumption and reducing delivery temperature, is conducive to improve the reliable of compressor
Property.
In conjunction with Fig. 1, according to fig. 2 with shown in Fig. 3, wherein for ease of seeing first passage and second channel clearly in Fig. 2, by
The refrigeration oil circulation passage that one channel and second channel are formed is illustrated with diagonal line hatches.First passage specifically includes:Set on cylinder
11 cylinder body and the radial slot 111 radially extended along the cylinder body of cylinder 11, radial slot 111 is in the cylinder body of cylinder 11
The port of mandrel line is connect by connecting tube 3 with the freezing oil export 21 of gas-liquid separator 2;It is formed in the cylinder body direction of cylinder 11
The surface of lower flange 12 and the arcuate furrow 113 extended around the central axis of cylinder 11;Set on the cylinder body and connection arc of cylinder 11
The slot 112 of shape groove 113 and radial slot 111;Wherein, lower flange 12 coordinates with cylinder body towards the surface of cylinder body and for hiding
The opening that the first slot 112 and arcuate furrow 113 are formed in cylinder body towards the surface of lower flange 12 is covered, the second of lower flange 12 is logical
Slot is connected to arcuate furrow 113.The port of one end of radially through groove is located at the side of the cylinder body of cylinder 11, is convenient for and connecting tube 3
Connection, the freezing oil export 21 of one end connection gas-liquid separator 2 of connecting tube 3, the other end connect the port of radially through groove, freezing
Oil flows into radial passage from the freezing oil export 21 of gas-liquid separator 2 through connecting tube 3, then flows into arc ditch by radial passage
Slot 113, the second channel of lower flange 12 is flowed by arcuate furrow 113, is finally flow back into oil sump 13, wherein in cylinder body
The arcuate furrow 113 extended around the central axis of cylinder 11, when refrigeration oil flows through arcuate furrow 113, Ke Yiyou is arranged in side
Effect increases the contact area of refrigeration oil and the cylinder body of cylinder 11, can increase the effect to cool down to cylinder body.
Specifically, the slot 112 of connection arcuate furrow 113 and radial slot 111 could be provided as along the center of cylinder 11
The vertical slot 112 that axis direction extends, i.e., vertical slot 112 is vertical with the surface of cylinder 11 towards lower flange 12, will be connected to
The slot 112 of arcuate furrow 113 and radial slot 111 is set as vertical slot 112, simple in structure, easy to process.
According to fig. 2 with shown in Fig. 4, second channel specifically includes:Set on lower flange 12 inner wall surface and with compressor sheet
The groove 121 that the oil sump 13 of body 1 is connected to;Set on lower flange 12 and the oblique straight slot 122 of connection arcuate furrow 113 and groove 121.
After refrigeration oil flow to arcuate furrow 113,12 inner wall upper groove 121 of lower flange is flowed into via oblique straight slot 122, due to groove
121 are connected to oil sump 13, so, cooling oil is flow back into through groove 121 in oil sump 13, wherein refrigeration oil flows through in lower flange 12
When the groove 121 of wall, there can be lubricating action to 12 bearing of lower flange.
In conjunction with Fig. 2, according to Fig.4, groove 121 is straight along being arranged with the direction of the centerline axis parallel of lower flange 12
Linear groove 121.Straight line connected in star 121 circulates convenient for refrigeration oil, and simple in structure, easily fabricated.
Specifically, for the benefit of flowing of refrigeration oil, radial slot 111 are set as ladder slot 112, and along towards cylinder 11
Central axis direction, the diameter of radial slot 111 is gradually reduced.
Specifically, along the extending direction of the central axis of cylinder 11, the depth dimensions of arcuate furrow 113 are less than or equal to gas
The one third of the thickness of the cylinder body of cylinder 11.
According to Fig.3, the fan-shaped angle that arcuate furrow 113 is formed around the central axis of cylinder 11 be more than or equal to
155 ° and be less than or equal to 165 °.Arcuate furrow 113 is in the fan-shaped central angle such as Fig. 3 that the central axis of cylinder 11 is formed
Angle θ, that is, 155 °≤θ≤165 °, that is, since the radius of the cylinder body of cylinder 11 is certain, determine the angular range of angle θ, you can with true
The length range for determining arcuate furrow 113, is arranged the length of suitable arcuate furrow 113, has both ensured refrigeration oil in arcuate furrow 113
Interior flowing is smooth, and keeps refrigeration oil preferable to the cooling-down effect of cylinder body.
Specifically, according to Fig. 1, compressor body 1 have for refrigerant by refrigerant inlet, gas-liquid separator 2
Equipped with the steel pipe 22 to circulate for refrigerant, steel pipe 22 is connect with the refrigerant inlet of compressor, and steel pipe 22 is equipped with for cooling down
Oil by oil return hole 221.Cooling oil in gas-liquid separator 2 can enter through the oil return hole 221 on steel pipe 22 in steel pipe 22
It after being mixed with compressor air suction, returns in the cavity 14 of compressor body 1, finally flows back into the oil sump 13 of compressor body 1.
The embodiment of the present invention additionally provides a kind of air-conditioning system, including any one compression provided in above-described embodiment
Machine.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair
Bright spirit and scope.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of compressor, which is characterized in that including compressor body, gas-liquid separator and connecting tube;Wherein:
The bottom side of the gas-liquid separator is equipped with the freezing oil export for refrigeration oil outflow;
The compressor body includes:Cylinder and the lower flange for being arranged and being connected to the cylinder side with the cylinder coaxial;
The cylinder body of the cylinder, which is provided with, to circulate for refrigeration oil and by the freezing of the connecting tube and the gas-liquid separator
The first passage of oil export connection;
The lower flange is equipped with the of the oil sump that the first passage and the compressor body are circulated and be connected to for refrigeration oil
Two channels.
2. compressor according to claim 1, which is characterized in that the first passage specifically includes:
Cylinder body set on the cylinder and the radial slot that is radially extended along the cylinder body of the cylinder, the radial direction slot deviate from institute
The port for stating the central axis of the cylinder body of cylinder is connect by the connecting tube with the freezing oil export of the gas-liquid separator;
It is formed in the arc that the cylinder body of the cylinder extends towards the surface of the lower flange and around the central axis of the cylinder
Groove;
Set on the slot of the cylinder body and the connection arcuate furrow and the radial slot of the cylinder;
Wherein, the lower flange coordinates towards the surface of the cylinder body and the cylinder body and for covering first slot and arc
The opening that shape groove is formed in the cylinder body towards the surface of the lower flange, the second straight slot and the arc of the lower flange
Groove is connected to.
3. compressor according to claim 2, which is characterized in that the second channel specifically includes:Set on the laxative remedy
Blue inner wall surface and the groove being connected to the oil sump of the compressor body;
Set on the lower flange and the oblique straight slot of the connection arcuate furrow and the groove.
4. compressor according to claim 3, which is characterized in that the groove is along the central axis with the lower flange
The straight line connected in star of parallel direction setting.
5. compressor according to claim 2, which is characterized in that the radial direction slot is ladder slot, and along towards institute
The direction of the central axis of cylinder is stated, the diameter of the radial direction slot is gradually reduced.
6. compressor according to claim 2, which is characterized in that along the extending direction of the central axis of the cylinder, institute
State arcuate furrow depth dimensions be less than or equal to the cylinder cylinder body thickness one third.
7. compressor according to claim 2, which is characterized in that the arcuate furrow is linear around the central shaft of the cylinder
At fan-shaped angle be more than or equal to 155 ° and to be less than or equal to 165 °.
8. compressor according to claim 1, which is characterized in that the compressor body have for refrigerant by it is cold
Matchmaker's entrance, the gas-liquid separator are equipped with the steel pipe for refrigerant circulation, and the refrigerant inlet of the steel pipe and the compressor connects
Connect, and the steel pipe be equipped with for cooling oil by oil return hole.
9. a kind of air-conditioning system, which is characterized in that including such as claim 1-8 any one of them compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738524.9A CN108691746B (en) | 2018-07-06 | 2018-07-06 | Compressor and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738524.9A CN108691746B (en) | 2018-07-06 | 2018-07-06 | Compressor and air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108691746A true CN108691746A (en) | 2018-10-23 |
| CN108691746B CN108691746B (en) | 2024-07-19 |
Family
ID=63851317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810738524.9A Active CN108691746B (en) | 2018-07-06 | 2018-07-06 | Compressor and air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108691746B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004239204A (en) * | 2003-02-07 | 2004-08-26 | Sanyo Electric Co Ltd | Compressor |
| CN202266429U (en) * | 2011-10-20 | 2012-06-06 | 合肥通用机械研究院 | Energy-saving type rolling rotor compressor |
| CN204140323U (en) * | 2014-09-30 | 2015-02-04 | 马鞍山市粤美金属制品科技实业有限公司 | A kind of central lubrication air compressor |
| CN106050672A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor and air conditioning system with rotary compressor |
| CN208831191U (en) * | 2018-07-06 | 2019-05-07 | 珠海凌达压缩机有限公司 | Compressor and air conditioning system |
-
2018
- 2018-07-06 CN CN201810738524.9A patent/CN108691746B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004239204A (en) * | 2003-02-07 | 2004-08-26 | Sanyo Electric Co Ltd | Compressor |
| CN202266429U (en) * | 2011-10-20 | 2012-06-06 | 合肥通用机械研究院 | Energy-saving type rolling rotor compressor |
| CN204140323U (en) * | 2014-09-30 | 2015-02-04 | 马鞍山市粤美金属制品科技实业有限公司 | A kind of central lubrication air compressor |
| CN106050672A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor and air conditioning system with rotary compressor |
| CN208831191U (en) * | 2018-07-06 | 2019-05-07 | 珠海凌达压缩机有限公司 | Compressor and air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108691746B (en) | 2024-07-19 |
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