CN108999786A - Pump assembly, compressor and air conditioner - Google Patents
Pump assembly, compressor and air conditioner Download PDFInfo
- Publication number
- CN108999786A CN108999786A CN201811174524.7A CN201811174524A CN108999786A CN 108999786 A CN108999786 A CN 108999786A CN 201811174524 A CN201811174524 A CN 201811174524A CN 108999786 A CN108999786 A CN 108999786A
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- China
- Prior art keywords
- cylinder
- pump assembly
- flange
- venthole
- compressor
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- 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.)
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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
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention provides a kind of pump assembly, compressor and air conditioners.Wherein pump assembly includes: cylinder；Structural body, structural body are located above or below cylinder, and structural body has cavity and separator, and in the cavity to separate the cavity into inlet chamber and outlet chamber, inlet chamber is connected to by cylinder with outlet chamber for separator setting.The present invention solves the problems, such as that compressor displacement easily leads to liquid hammer in the prior art.
Description
Technical field
The present invention relates to compressor fields, in particular to a kind of pump assembly, compressor and air conditioner.
Background technique
During air-conditioning light load conditions refrigeration work, influenced by suction superheat is low, inner rotator compressor this
When will appear serious absorbing gas belt liquid situation in low frequency operation, reduce air-conditioning heat exchange efficiency and simultaneously generate liquid hammer situation, cause
The decline of air conditioner refrigerating amount, compressor service life reduction.
How when air-conditioning light load conditions refrigeration work, suction superheat are low, its inner rotator compressor is reduced
Absorbing gas belt liquid measure when low frequency is run at this time is the emphasis problem for improving rotor compressor reliability and air conditioning performance.
Summary of the invention
The main purpose of the present invention is to provide a kind of pump assembly, compressor and air conditioners, to solve in the prior art
Compressor displacement easily leads to the problem of liquid hammer.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of pump assembly, comprising: cylinder；Knot
Structure body, structural body are located above or below cylinder, and structural body has cavity and separator, and separator setting is in the cavity to incite somebody to action
Cavity is divided into inlet chamber and outlet chamber, and inlet chamber is connected to by cylinder with outlet chamber.
Further, separator is made of Heat Conduction Material.
Further, structural body is the flange of pump assembly.
Further, flange includes: flange body；The side of the separate cylinder of flange body is arranged in simultaneously in cover board, cover board
Cavity is surrounded with flange body.
Further, flange body has center stand column, and center stand column has the avoid holes of the crankshaft of evacuation pump assembly,
Separator includes two minor structures, and two minor structures are respectively from the different location of the periphery of center stand column to the periphery of flange body
Side extends, to separate the cavity into inlet chamber and outlet chamber.
Further, there is flange body the refrigerant inlet radially extended and the refrigerant axially extended to go out
Mouthful, refrigerant inlet and refrigerant outlet are connected to inlet chamber, and the charge air flow path of pump assembly is that refrigerant passes through refrigerant
Cylinder is flowed into after entrance, inlet chamber, refrigerant outlet.
Further, flange body have spaced first venthole and the second venthole, and the first venthole and
Second venthole is connected to along the axially extending of flange body and with outlet chamber, and the exhaust flow path of pump assembly is through cylinder compression
Gas afterwards is discharged after the first venthole, outlet chamber, the second venthole.
Further, cylinder air entry, cylinder exhaust port that cylinder has compression chamber and is connected to compression chamber, and cylinder
Air entry and cylinder exhaust port are located at the two sides of the sliding slot of cylinder, and cylinder air entry is connected to refrigerant outlet, cylinder
Exhaust outlet is connected to the first venthole.
Further, flange is lower flange and the lower section that cylinder is arranged in, and pump assembly further includes being arranged above cylinder
Upper flange, cylinder with axially extending first exhaust intercommunicating pore, upper flange have axially extending second exhaust intercommunicating pore,
Second venthole, first exhaust intercommunicating pore are sequentially connected to second exhaust intercommunicating pore.
Further, the second venthole, first exhaust intercommunicating pore and second exhaust intercommunicating pore are coaxially disposed.
According to another aspect of the present invention, a kind of compressor is provided, including above-mentioned pump assembly.
Further, compressor is rotor compressor.
According to another aspect of the present invention, a kind of air conditioner is provided, including above-mentioned compressor.
It applies the technical scheme of the present invention, structural body is located above or below cylinder, and structural body has cavity and separation
Part, in the cavity to separate the cavity into inlet chamber and outlet chamber, inlet chamber is connected to by cylinder with outlet chamber for separator setting.
Using above structure pump assembly when, the gas come in by gas-liquid separator outside compressor passes through structure
After the inlet chamber of body, after completing compression in cylinder, into the outlet chamber of structural body, compressor is imported into finally by outlet chamber
Other parts discharge.It can be mixed with liquid in air inlet intracavity gas due to entering structural body, if this part gas-liquid mixture is straight
It taps into cylinder, compressor is easy to cause to generate liquid hit phenomenon, thus outlet chamber is set in structural body simultaneously, due to outlet
Gas temperature in chamber is higher, so can drop after being exchanged heat using the gas in outlet chamber high temperature gas and inlet chamber
The liquid content of gas in low inlet chamber effectively improves air conditioner refrigerating amount and compressor service life to prevent the generation of liquid hit phenomenon.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the compressor of an alternative embodiment according to the present invention；
Fig. 2 shows the explosive views of upper flange, cylinder and lower flange in Fig. 1；
Fig. 3 shows the structural schematic diagram of the lower flange in Fig. 1；
Fig. 4 shows the structural schematic diagram of the cylinder in Fig. 1；
Wherein, the above drawings include the following reference numerals:
10, cylinder；11, cylinder air entry；12, cylinder exhaust port；13, first exhaust intercommunicating pore；20, structural body；21, divide
Spacing body；22, inlet chamber；23, outlet chamber；24, flange body；241, refrigerant inlet；242, refrigerant outlet；243, first is logical
Stomata；244, the second venthole；25, cover board；30, upper flange；31, second exhaust intercommunicating pore；40, roller；50, crankshaft；60, electric
Machine；70, shell；80, cover assembly；90, lower cover；100, mounting plate；110, external gas-liquid separator；120, strainer；130, it inhales
Tracheae.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually needle
For direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Equally
Ground for ease of understanding and describes, and " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is not
For limiting the present invention.
In order to solve the problems, such as that compressor displacement easily leads to liquid hammer in the prior art, this application provides a kind of pump assembly,
Compressor and air conditioner.
Wherein, air conditioner has following compressors.And compressor includes following pump assembly.It is arranged within the compressor
After following pump assemblies, by making the gas of sucking exchange heat in different chambers by separator 21 from the gas of discharge
Afterwards, it can reduce the band liquid measure of sucking gas, to just prevent liquid hit phenomenon from generating, improve the compressor service life.
Optionally, compressor is rotor compressor.
Specifically, as shown in Figure 1, rotor compressor is mainly by cover assembly 80, shell 70, motor 60, crankshaft 50, upper method
Orchid 30, roller 40, cylinder 10, lower flange, cover board 25, mounting plate 100, air intake duct 130, strainer 120, lower cover 90 and external gas-liquid
The composition such as separator 110.
Optionally, upper flange 30, lower flange, cylinder 10 and cover board 25 are connected by screw to, rotor and 50 mistake of crankshaft
It is full of close-fitting, is mode is welded and fixed in cover assembly, lower cover, mounting plate 100 and external gas-liquid separator 110 etc..Certainly, if not shadow
The normal work for ringing compressor, also can choose other modes and is installed, as long as can guarantee that it is worked normally.
As shown in Figures 1 to 4, the pump assembly in the application includes cylinder 10 and structural body 20.Structural body 20 is located at gas
Above or below cylinder 10, structural body 20 has cavity and separator 21, and separator 21 is arranged in the cavity to separate cavity
For inlet chamber 22 and outlet chamber 23, inlet chamber 22 is connected to by cylinder 10 with outlet chamber 23.
Using above structure pump assembly when, the gas come in by gas-liquid separator outside compressor passes through structure
After the inlet chamber 22 of body 20, after completing compression in cylinder 10, into the outlet chamber 23 of structural body 20, finally by outlet chamber 23
It imported into the other parts discharge of compressor.It can be mixed with liquid in gas in inlet chamber 22 due to entering structural body 20, if this
Part gas-liquid mixture is directly entered in cylinder 10, and compressor is easy to cause to generate liquid hit phenomenon, thus simultaneously in structural body 20
Interior setting outlet chamber 23, since the gas temperature in outlet chamber 23 is higher, so utilizing 23 high temperature gas of outlet chamber and air inlet
After gas in chamber 22 is exchanged heat, the liquid content of gas in inlet chamber 22 can reduce, so that the generation of liquid hit phenomenon is prevented,
Effectively improve air conditioner refrigerating amount and compressor service life.
Specifically, separator 21 is made of Heat Conduction Material.Separator 21 is arranged to Heat Conduction Material, can be guaranteed in this way
Heat transfer effect between inlet chamber 22 and outlet chamber 23.After high-temperature gas enters outlet chamber 23, due to inlet chamber 22 and go out
It is only separated by separator 21 between air cavity 23, so, when separator 21 is made from a material that be thermally conductive, inlet chamber 22 and outlet chamber
Gas in 23 can be exchanged heat by separator 21, to reduce the band liquid measure of gas in inlet chamber 22, and then prevent from producing
Liquid phenomenon is hit in life.
As shown in Figures 1 to 4, structural body 20 is the flange of pump assembly.Structural body 20 is the flange of pump assembly, in this way
The structure in pump assembly can be efficiently used, avoids increasing new structure, to increase more space holds, is conducive to simplify
Compressor inner structure, and will not have a negative impact to the normal work of compressor.Certainly, if being able to satisfy above-mentioned condition,
Also other assemblies be can choose as structural body 20.
It should be noted that flange is also referred to as bearing in portioned product.Certainly, above-mentioned structural member is also possible to set
Set the structures such as the partition between flange and cylinder.
As shown in figure 3, flange includes, the separate gas of flange body 24 is arranged in flange body 24 and cover board 25, cover board 25
The side of cylinder 10 simultaneously surrounds cavity with flange body 24.By setting flange body 24 and cover board 25, and pass through cover board 25 and method
Blue ontology 24 surrounds cavity, can provide space in this way for the setting of inlet chamber 22 and outlet chamber 23, guarantee that hot and cold gas can
It exchanges heat in the cavity.And the cover board 25 of setting, the effect of sealing can be played, inlet chamber 22 and outlet chamber 23 is avoided to produce
Raw gas leak phenomenon.
As shown in Figures 2 and 3, flange body 24 has center stand column, and center stand column has the crankshaft of evacuation pump assembly
Avoid holes, separator 21 includes two minor structures, and two minor structures are respectively from the different location of the periphery of center stand column to method
The peripheral side of blue ontology 24 extends, to separate the cavity into inlet chamber 22 and outlet chamber 23.In flange body 24, newel is set,
And make newel that there are avoid holes, flange body 24 and crankshaft can in this way cooperated, and will not influence the normal work of crankshaft
Make, ensure that the normal operation of compressor.And separator 21 can be guaranteed inlet chamber 22 in this way and be gone out by two sub- structure compositions
Gas in air cavity 23 can be exchanged heat twice, and heat exchange for the first time is that gas passes through refrigerant inlet 241 and the second venthole
The heat exchange of minor structure at 244, second of heat exchange are that gas passes through the son knot at refrigerant outlet 242 and the first venthole 243
The heat exchange of structure.To effectively prevent compressor liquid refrigeration, and prevent that liquid hit phenomenon generates the reliability of compressor
It influences, improves the heat exchange efficiency and refrigerating capacity of air-conditioning, and then improve the compressor service life.
As shown in figure 3, flange body 24 has the refrigerant inlet 241 radially extended and the refrigeration axially extended
Agent outlet 242, refrigerant inlet 241 and refrigerant outlet 242 are connected to inlet chamber 22, and the charge air flow path of pump assembly is system
Cryogen is by flowing into cylinder 10 after refrigerant inlet 241, inlet chamber 22, refrigerant outlet 242.In this way be arranged pump assembly into
Air-flow road, ensure that the heat transfer effect of gas in inlet chamber 22, and can be effectively reduced the band liquid measure of gas.
Specifically, flange body 24 has spaced first venthole 243 and the second venthole 244, and first is logical
Stomata 243 and the second venthole 244 are connected to along the axially extending of flange body 24 and with outlet chamber 23, the exhaust of pump assembly
Flow path is to be discharged after the first venthole 243, outlet chamber 23, the second venthole 244 through the compressed gas of cylinder 10.It sets in this way
The exhaust flow path for setting pump assembly ensure that gas after the compression of cylinder 10, is able to enter outlet chamber 23, makes compressed gas
Body can exchange heat in outlet chamber 23 with the gas in inlet chamber 22, to reduce the band liquid measure of gas in inlet chamber 22.
As shown in figure 4, cylinder air entry 11, cylinder exhaust port that cylinder 10 has compression chamber and is connected to compression chamber
12, and cylinder air entry 11 and cylinder exhaust port 12 are located at the two sides of the sliding slot of cylinder 10, and cylinder air entry 11 and system
242 connection of cryogen outlet, cylinder exhaust port 12 are connected to the first venthole 243.Cylinder 10 and inlet chamber 22 are set in this way and gone out
The connection gas circuit of air cavity 23, the gas that can be realized sucking enters outlet chamber 23 after the compression of cylinder 10, by as setting
Gas flow path, ensure that can be exchanged heat and be lowered into the gas before cylinder 10 through the compressed gas of cylinder 10
The band liquid measure of the gas of cylinder 10.
Optionally, flange is lower flange and the lower section that cylinder 10 is arranged in, and pump assembly further includes being arranged on cylinder 10
The upper flange 30 of side, cylinder 10 have axially extending second with axially extending first exhaust intercommunicating pore 13, upper flange 30
Communicating exhaust gas hole 31, the second venthole 244, first exhaust intercommunicating pore 13 are sequentially connected to second exhaust intercommunicating pore 31.It sets in this way
It sets, after compressed gas can be made to be exchanged heat in outlet chamber 23, passes through the second venthole 244 being connected to outlet chamber 23
After discharge, the exhaust pipe of compressor can be entered by first exhaust intercommunicating pore 13 and second exhaust intercommunicating pore 31, finally from pressure
Discharge, completes the course of work of entire compressor in contracting machine.
As shown in Fig. 2, the second venthole 244, first exhaust intercommunicating pore 13 and second exhaust intercommunicating pore 31 are coaxially disposed.
Second venthole 244, first exhaust intercommunicating pore 13 and second exhaust intercommunicating pore 31 are coaxially disposed, can be guaranteed in this way from out
The gas being discharged in air cavity 23 can smoothly enter into the exhaust pipe of compressor, reduce on-way resistance, reduce the generation of noise.
Specifically, entire gas circuit is, gas enters inlet chamber 22 by refrigerant inlet 241 by external gas-liquid separator
Afterwards, refrigerant outlet 242, cylinder air entry 11, cylinder exhaust port 12, the first venthole 243, the second venthole are passed sequentially through
244, first exhaust intercommunicating pore 13 and second exhaust intercommunicating pore 31 finally enter compressor exhaust pipe discharge.In gas flowing
In the process
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
In compressor pump internal build high efficient heat exchanging chamber, compressor air suction process runner and exhaust process runner are all provided with
It counts in the closed cavity that lower flange and cover board 25 are constituted, is separated by separator 21 and high efficient heat exchanging, grate flow channel are high temperature
Gas, air-breathing runner are cryogenic gas, and two kinds of different temperatures gases carry out high efficient heat exchanging by separator 21, work as rotor compressor
When light load low frequency is run, air-breathing runner is that low temperature band liquid gas can effectively drop after exchanging heat with the high-temperature gas of grate flow channel
Its low band liquid measure, improves air-conditioning heat exchange efficiency, prevents liquid hit phenomenon from generating, effectively improve air conditioner refrigerating amount and compressor service life.
Obviously, above-mentioned the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments should fall within the scope of the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of pump assembly characterized by comprising
Cylinder (10)；
Structural body (20), the structural body (20) are located above or below the cylinder (10), and the structural body (20) has
Cavity and separator (21), the separator (21) setting in the cavity with by the cavity be divided into inlet chamber (22) and
Outlet chamber (23), the inlet chamber (22) are connected to by the cylinder (10) with the outlet chamber (23).
2. pump assembly according to claim 1, which is characterized in that the separator (21) is made of Heat Conduction Material.
3. pump assembly according to claim 1 or 2, which is characterized in that the structural body (20) is the pump assembly
Flange.
4. pump assembly according to claim 3, which is characterized in that the flange includes:
Flange body (24)；
Cover board (25), the cover board (25) setting the flange body (24) the side far from the cylinder (10) and with institute
It states flange body (24) and surrounds the cavity.
5. pump assembly according to claim 4, which is characterized in that the flange body (24) has center stand column, institute
State the avoid holes that center stand column has the crankshaft for avoiding the pump assembly, the separator (21) includes two minor structures, and two
A minor structure is extended from the different location of the periphery of the center stand column to the peripheral side of the flange body (24) respectively,
The cavity is divided into the inlet chamber (22) and the outlet chamber (23).
6. pump assembly according to claim 5, which is characterized in that the flange body (24), which has, to be radially extended
Refrigerant inlet (241) and the refrigerant outlet (242) axially extended, the refrigerant inlet (241) and the refrigeration
Agent outlet (242) is connected to the inlet chamber (22), and the charge air flow path of the pump assembly is that refrigerant passes through the refrigeration
Agent entrance (241), the inlet chamber (22), the refrigerant outlet (242) flow into the cylinder (10) afterwards.
7. pump assembly according to claim 6, which is characterized in that the flange body (24) has spaced the
One venthole (243) and the second venthole (244), and first venthole (243) and second venthole (244) equal edge
It the flange body (24) axially extending and is connected to the outlet chamber (23), the exhaust flow path of the pump assembly is through institute
Cylinder (10) compressed gas is stated through first venthole (243), the outlet chamber (23), second venthole
(244) it is discharged afterwards.
8. pump assembly according to claim 7, which is characterized in that the cylinder (10) have compression chamber and with it is described
Cylinder air entry (11), the cylinder exhaust port (12) of compression chamber connection, and the cylinder air entry (11) and the cylinder exhaust
Mouth (12) is located at the two sides of the sliding slot of the cylinder (10), and the cylinder air entry (11) and the refrigerant outlet
(242) it is connected to, the cylinder exhaust port (12) is connected to first venthole (243).
9. pump assembly according to claim 8, which is characterized in that the flange is lower flange and is arranged in the cylinder
(10) lower section, the pump assembly further include the upper flange (30) being arranged above the cylinder (10), the cylinder (10)
There is axially extending second exhaust intercommunicating pore with axially extending first exhaust intercommunicating pore (13), the upper flange (30)
(31), second venthole (244), the first exhaust intercommunicating pore (13) and the second exhaust intercommunicating pore (31) sequentially connect
It is logical.
10. pump assembly according to claim 9, which is characterized in that second venthole (244), the first row
Gas intercommunicating pore (13) and the second exhaust intercommunicating pore (31) are coaxially disposed.
11. a kind of compressor, which is characterized in that including pump assembly described in any one of claims 1 to 10.
12. compressor according to claim 11, which is characterized in that the compressor is rotor compressor.
13. a kind of air conditioner, which is characterized in that including compressor described in claim 11 or 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174524.7A CN108999786A (en) | 2018-10-09 | 2018-10-09 | Pump assembly, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174524.7A CN108999786A (en) | 2018-10-09 | 2018-10-09 | Pump assembly, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108999786A true CN108999786A (en) | 2018-12-14 |
Family
ID=64590037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811174524.7A Pending CN108999786A (en) | 2018-10-09 | 2018-10-09 | Pump assembly, compressor and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108999786A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202883380U (en) * | 2012-09-21 | 2013-04-17 | 合肥凌达压缩机有限公司 | Dual-cylinder compressor with middle baffle plates for sucking air |
| CN204738964U (en) * | 2015-05-13 | 2015-11-04 | 广东美芝制冷设备有限公司 | Rotary compressor subassembly and air conditioning system |
| CN209414173U (en) * | 2018-10-09 | 2019-09-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, compressor and air conditioner |
-
2018
- 2018-10-09 CN CN201811174524.7A patent/CN108999786A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202883380U (en) * | 2012-09-21 | 2013-04-17 | 合肥凌达压缩机有限公司 | Dual-cylinder compressor with middle baffle plates for sucking air |
| CN204738964U (en) * | 2015-05-13 | 2015-11-04 | 广东美芝制冷设备有限公司 | Rotary compressor subassembly and air conditioning system |
| CN209414173U (en) * | 2018-10-09 | 2019-09-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, compressor and air conditioner |
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