CN103776200B - Compressor assembly and the control method of compressor assembly - Google Patents
Compressor assembly and the control method of compressor assembly Download PDFInfo
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- CN103776200B CN103776200B CN201210415331.2A CN201210415331A CN103776200B CN 103776200 B CN103776200 B CN 103776200B CN 201210415331 A CN201210415331 A CN 201210415331A CN 103776200 B CN103776200 B CN 103776200B
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- compressor
- oil
- gas
- liquid separator
- assembly
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 161
- 239000007788 liquid Substances 0.000 claims abstract description 66
- 235000003642 hunger Nutrition 0.000 claims description 23
- 239000010687 lubricating oil Substances 0.000 claims description 23
- 230000037351 starvation Effects 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 239000010725 compressor oil Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 206010041954 Starvation Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 235000015927 pasta Nutrition 0.000 description 2
- 206010008469 Chest discomfort Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention provides the control method of a kind of compressor assembly and compressor assembly, wherein, compressor assembly includes compressor (10) and gas-liquid separator (20), gas-liquid separator (20) is connected with compressor (10) by oil equalizing pipe road (30), compressor (10) is internal has exhaust valve plate (11), the sidewall of compressor (10) is provided with equal oilhole (12), first end on oil equalizing pipe road (30) is connected with the inlet pipe (21) of gas-liquid separator (20), second end connects through equal oilhole (12) and compressor (10) are internal, all positions of oilhole (12) are positioned between the minimum oil level of compressor (10) and exhaust valve plate (11).Present invention efficiently solves the problem that in prior art, compressor oil return instability causes affecting compressor performance and reliability.
Description
Technical field
The present invention relates to air-conditioner technical field, in particular to a kind of compressor assembly and the control method of compressor assembly.
Background technology
When air conditioning system is run, parts of lubricating oil can be discharged compressor together, be entered into system pipe arrangement, condenser along with cold-producing medium
With in vaporizer, only can return to compressor smoothly when the lubricating oil being discharged in system, maintain the dynamic equilibrium of oil, ability
Guarantee that compressor oil level balances.The most certain oil reserve is to ensure that the fundamental prerequisite of compressor reliability service, only works as oil storage
Amount exceedes the minimum oil mass of its needs, guarantee compressor safe and reliable operation, and the oil reserve in compressor can not be too much simultaneously,
In order to avoid reduction refrigeration performance.
And under prior art, the oil return of compressor depends on oil return circulation in system, when system malfunctions causes oil return
Not in time or oil return loop control lost efficacy time, do not have other repairing source in the case of, compressor will be in oil starvation operation, make
Become compressor abrasion or damage；Owing to this oil return circulation belongs to passive type oil return, so when system has just completed an oil return action
Time, the lubricating oil being stored in system in a large number returns to compressor so that compressor oil level raises, and causes reducing its performance of compressor,
And carry out before oil return action carries out in system, carried secretly row due to the lubricating oil in substantial amounts of compressor in system by coolant again,
The oil level making compressor reduces, thus have impact on the reliability of compressor.In sum, in prior art compressor due to return
The problem that the problem of oil instability causes affecting the performance of compressor.
Summary of the invention
It is desirable to provide a kind of compressor assembly and the control method of compressor assembly, return solving compressor in prior art
The problem that oil instability causes affecting compressor performance and reliability.
To achieve these goals, according to an aspect of the present invention, it is provided that a kind of compressor assembly, including compressor and gas-liquid
Separator, gas-liquid separator is connected with compressor by oil equalizing pipe road, has exhaust valve plate, the sidewall of compressor inside compressor
Being provided with equal oilhole, first end on oil equalizing pipe road is connected with the inlet pipe of gas-liquid separator, the second end passes in equal oilhole and compressor
Portion connects, and the position of equal oilhole is between minimum oil level and the exhaust valve plate of compressor.
Further, compressor is two or more, and the quantity on oil equalizing pipe road is identical with the quantity of compressor, and gas-liquid separator is arranged
Have with compressor equal number go out pipe, gas-liquid separator each go out pipe be connected with compressor correspondingly.
Further, also including gs-oil separator, gs-oil separator has import and oil return opening, and compressor has air vent, pressure
Contracting machine is connected by gas exhaust piping with the import of gs-oil separator, and the oil return opening of gs-oil separator passes through return line and gas-liquid separation
The inlet pipe of device connects.
Further, oil equalizing pipe road is provided with filter, throttling arrangement and valve.
Further, throttling arrangement is capillary tube.
Further, the pipe that goes out of gas-liquid separator takes the shape of the letter U, and goes out pipe and the position bottom gas-liquid separator is provided with filtration members.
According to a further aspect in the invention, present invention also offers the control method of a kind of compressor assembly, above-mentioned for controlling
Compressor assembly, according to the cold requirement of compressor assembly, controls the start and stop of described compressor, and opening according to described compressor
The oil equalizing pipe road stopping state control corresponding with described compressor is the most open-minded.
Further, described compressor is multiple, according to the cold requirement of compressor assembly, controls opening of multiple described compressor
Stop, and it is the most open-minded to control the oil equalizing pipe road corresponding with described compressor according to the start and stop state of described compressor；When described compression
When machine is oil starvation state, described compressor carries out oil return by air-breathing oil return from gas-liquid separator；When described compressor is rich oil shape
During state, the lubricating oil within described compressor enters oil equalizing pipe road by equal oilhole and flow in described gas-liquid separator.
Application technical scheme, compressor assembly includes compressor and gas-liquid separator, and gas-liquid separator passes through oil equalizing pipe
Road connects with compressor, has exhaust valve plate inside compressor, and the sidewall of compressor is provided with equal oilhole, the first of oil equalizing pipe road
End is connected with the inlet pipe of gas-liquid separator, the second end connects through equal oilhole and compressor are internal, and the position of equal oilhole is positioned at compression
Between minimum oil level and the exhaust valve plate of machine.In the compressor assembly of the present invention, compressor its oil level when oil starvation is oily less than equal
The position in hole, therefore oil will not be discharged by equal oilhole, a certain amount of profit can also be obtained from gas-liquid separator by air-breathing simultaneously
Lubricating oil, the compressor of such oil starvation can obtain lubricating oil in time, thus avoid the occurrence of compressor and run because of long-time oil starvation, and
Damage the phenomenon of compressor；Simultaneously in compressor during rich oil (oil level is higher than equal oilhole), compressor will be able to be had more than needed by equal oilhole
Oil row to gas-liquid separator, this avoid the situation occurring that because oil level is too high oil hits, owing to the setting of equal oilhole makes compression
Machine achieves active oil return in terms of self oil level regulation for prior art, not only solves the problem of oil starvation but also avoid
The oil that rich oil causes hits problem, is effectively improved the performance of compressor.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the first embodiment of the compressor assembly of the present invention；
Fig. 2 shows the structural representation of the compressor of the compressor assembly of Fig. 1；
Fig. 3 shows the structural representation of the gas-liquid separator of the compressor assembly of Fig. 1；
Fig. 4 shows the structural representation of the second embodiment of the compressor assembly of the present invention；
Fig. 5 shows the structural representation of the gas-liquid separator of the compressor assembly of Fig. 4.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The invention provides the first embodiment of compressor assembly, referring specifically to Fig. 1 to Fig. 3, compressor assembly includes compressor
10 and gas-liquid separator 20, gas-liquid separator 20 is connected with compressor 10 by oil equalizing pipe road 30, has inside compressor 10
Exhaust valve plate 11, the sidewall of compressor 10 is provided with equal oilhole 12, first end on oil equalizing pipe road 30 and entering of gas-liquid separator 20
Pipe 21 connects, the second end connects through equal oilhole 12 and compressor 10 are internal, and the position of equal oilhole 12 is positioned at compressor 10
Between minimum oil level and exhaust valve plate 11.
Wherein, equal oilhole 12 is arranged at the high pressure chest of compressor.When compressor operationally, in compresser cylinder compress
When the pressure in chamber reaches certain value, exhaust valve plate is upspring and is carried out action, and the high pressure coolant in cylinder is discharged from cylinder, aerofluxus
The position of valve block 11 is as shown in Figure 2.
First embodiment achieves following technique effect as can be seen from the above description: in compressor assembly, and compressor exists
During oil starvation, its oil level is less than the position of equal oilhole, therefore will not be discharged by equal oilhole by oil, can also be divided from gas-liquid by air-breathing simultaneously
Obtaining a certain amount of lubricating oil in device, the compressor of such oil starvation can obtain lubricating oil in time, thus avoids the occurrence of compressor
Because long-time oil starvation runs, and damage the phenomenon of compressor；Simultaneously in compressor during rich oil (oil level is higher than equal oilhole), compression
Oil more than needed is arranged to gas-liquid separator by chance by equal oilhole, this avoid the situation occurring that because oil level is too high oil hits, by
Setting in equal oilhole makes compressor achieve active oil return for prior art in terms of self oil level regulation, both solves
The problem of oil starvation of having determined turn avoid the oil that rich oil causes and hits problem, is effectively improved the performance of compressor.
Compressor oil level has individual minimum requirements amount, and the minimum oil level that this compressor allows is positively located in below exhaust valve plate, takes aerofluxus
Valve block is h to the height at this minimum oil level, simultaneously takes account of compressor its pasta in running concave, i.e. in pasta
To be slightly less than along the oil level at compressor inwall at the heart, therefore all oil-hole location is located at higher than the producer minimum oil level 2h/3 of requirement, hole
Footpath size is φ 6mm.
The present embodiment it is further preferred that in the present embodiment the quantity of compressor 10 be two, the quantity on oil equalizing pipe road 30 and pressure
The quantity of contracting machine 10 is identical, and oil equalizing pipe road 30 is also two, and gas-liquid separator 20 is provided with and compressor 10 equal number
Go out pipe 22, each go out pipe 22 be connected with compressor 10 correspondingly.Filter 31, joint it is provided with on oil equalizing pipe road 30
Stream device 32 and valve 33, goes out pipe 22 for being arranged in parallel, specifically as it is shown on figure 3, above-mentioned throttling arrangement 32 is capillary tube.
At the equal oilhole of compressor in parallel, gas-liquid separator is received through filter, capillary tube, electromagnetic valve in the oil equalizing pipe road of connection
Inlet pipe.Filter is used for preventing capillary tube blocked, and capillary tube is for carrying out reducing pressure by regulating flow to tube fluid.Owing to running
During the discharge chamber of compressor be high pressure, gas-liquid separator is then low-pressure state, therefore when electromagnetic valve is opened, compressor
The lubricating oil of discharge chamber can pass through filter, capillary tube and electromagnetic valve and flow to gas-liquid separator.
Preferably, compressor assembly also includes that gs-oil separator 40, gs-oil separator 40 have import and oil return opening, compressor
10 have air vent, and compressor 10 is connected by gas exhaust piping with the import of gs-oil separator 40, the oil return of gs-oil separator 40
Mouth is connected with the inlet pipe 21 of gas-liquid separator 20 by return line.The pipe 22 that goes out of gas-liquid separator 20 takes the shape of the letter U, and goes out pipe 22
Position bottom gas-liquid separator 20 is provided with filtration members 23.
In the present embodiment, if the first compressor operating, then oil equalizing pipe the first valve opening that the first compressor is corresponding, if first
Compressor stops, then oil equalizing pipe the first valve closing that the first compressor is corresponding；If the second compressor operating, then the second compressor
Corresponding oil equalizing pipe the second valve opening, if the second compressor stops, then oil equalizing pipe the second valve closing that the second compressor is corresponding.
The oil equalizing pipe valve of the correspondence i.e. running compressor is on, and the corresponding oil equalizing pipe valve stopping compressor is to close.
In the present embodiment, compressor 10 includes the first compressor and the second compressor, if two compressors all need to run, then opens
The valve 33 of two compressors and correspondence thereof.Due to the difference of initial oil level, running frequency and the oil drain quantity of two compressors, can
Can there is a compressor oil starvation, the phenomenon of another compressor rich oil.If the first compressor rich oil, it runs oil level and is higher than
All oil-hole locations, due to the pressure during the pressure of compressor discharge chamber is higher than gas-liquid separator in running, therefore the first of rich oil
Lubricating oil can be arranged in gas-liquid separator by compressor by equal oilhole so that the oil level of the first compressor of rich oil reduces；And the
During two compressor oil starvations, its oil level is less than equal oil-hole location, and lubricating oil will not be divided to gas-liquid by the second compressor by equal oilhole row
From device；Two compressors all can obtain lubricating oil by air-breathing in running from gas-liquid separator simultaneously, so oil starvation
Second compressor oil level can rise and reach oil level balance.Therefore, in this cyclic process, the compressor oil level of rich oil can decline,
The compressor oil level of oil starvation can rise, until the oil level of two compressors reaches balance, two compressors are all in flat oil condition.
If when two compressors run, and according to cold requirement, the first compressor need to continue to run with, and the second compressor needs to shut down simultaneously,
After two compressors run a period of time simultaneously, the first compressor and the second compressor reach oil level balance, all in flat oily
After state, now by the second compressor shutdown the valve of closing its correspondence, the first compressor operating also opens the valve of its correspondence.
It is now flat oil condition because of the first compressor, by equal oilhole, lubricating oil may be arranged to gas-liquid separator, also be able to lead to simultaneously
Cross air-breathing and row's lubricating oil in gas-liquid separator is sucked back compressor.It addition, oil equalizing pipe road and gas-liquid separator can have necessarily
Lubricating oil, if when the first compressor oil starvation, the first compressor then will not by the oil extraction in gas-liquid separator of equal oilhole, but
But remain able to from gas-liquid separator, obtain lubricating oil by air-breathing, so that the oil level of the first compressor rises, and then reach
Flat oil condition, so that single compressor and gas-liquid separator and pipeline form oil level poised state.
If when the second compressor run, when the first compressor is in stopped status, according to cold require need to run the first compressor,
During the second compressor out of service, first two compressors that simultaneously run, and open the valve of its correspondence, after running certain time,
Second compressor the most out of service and the valve of its correspondence of closedown.First run two compressors be in order to ensure follow-up need to run
One compressor is flat oil condition, prevents petrol starvation occur during the first compressor isolated operation.
Present invention also offers the second embodiment of compressor assembly, referring specifically to Fig. 4 and Fig. 5, compressor assembly includes compressor
10 and gas-liquid separator 20, gas-liquid separator 20 is connected with compressor 10 by oil equalizing pipe road 30, has inside compressor 10
Exhaust valve plate 11, the sidewall of compressor 10 is provided with equal oilhole 12, first end on oil equalizing pipe road 30 and entering of gas-liquid separator 20
Pipe 21 connects, the second end connects through equal oilhole 12 and compressor 10 are internal, and the position of equal oilhole 12 is positioned at compressor 10
Between minimum oil level and exhaust valve plate 11.The quantity of compressor 10 is three, and oil equalizing pipe road 30 quantity is also three, and gas-liquid is divided
Device 20 is provided with three and goes out pipe 22, each go out pipe 22 be connected with compressor 10 correspondingly.Set on oil equalizing pipe road 30
It is equipped with filter 31, throttling arrangement 32 and valve 33.Understand referring specifically to Fig. 5, go out pipe 22 and be three and be separately provided, go out
The entrance point of pipe 22 is positioned at the inside of gas-liquid separator, the port of export is positioned at the outside of gas-liquid separator.The second above-mentioned embodiment is real
The technique effect showed is essentially identical with the effect of the first embodiment of compressor assembly, and here is omitted.
In the present embodiment, compressor includes the first compressor, the second compressor and the 3rd compressor, runs at three compressors simultaneously
Time, open three compressors and the valve of its correspondence is switched on simultaneously, run after certain time, initial due to three compressors
The difference of the difference of oil level, running frequency and oil drain quantity, it is possible that a compressor oil starvation, another two compressor rich oils
Phenomenon or two compressor oil starvations, the phenomenon of another compressor rich oil.If the first compressor oil starvation, the second compressor and the 3rd
Compressor rich oil, then lubricating oil can be arranged to gas-liquid separator by the second compressor and the 3rd compressor of rich oil by equal oilhole, and
Lubricating oil will not be arranged to gas-liquid separator by the first compressor of oil starvation by lubricating oil by equal oilhole, and three compressors are the most logical simultaneously
Crossing air-breathing and obtain lubricating oil from gas-liquid separator, after therefore running a period of time, the oil level of three compressors can reach another flat
Weighing apparatus state, three compressors are all flat oil conditions.The oil level equilibrium process of two compressor oil starvations and a compressor rich oil is with upper
The similar process stated.
Compressor assembly in the present embodiment, according to cold requirement, need to close a compressor when maybe needing to close two compressors,
The process of oil level balance is similar to the compressor assembly in first embodiment, and here is omitted.
Present invention also offers the embodiment of a kind of unshowned compressor, in the present embodiment, compressor assembly includes that compressor is gentle
Liquid/gas separator, the annexation of compressor assembly and the structure of gas-liquid separator are all identical with the compressor assembly of first embodiment,
Differing only in, the quantity of compressor is multiple and quantity is more than three, and oil equalizing pipe way amount is identical with number of compressors, gas
Liquid/gas separator to go out pipe quantity identical with number of compressors, each go out pipe be connected with compressor correspondingly.The present embodiment
Technique effect is essentially identical with the compressor assembly of first embodiment, and here is omitted.
Present invention also offers the embodiment of the control method of a kind of compressor assembly, for controlling above-mentioned compressor assembly, root
According to the cold requirement of compressor assembly, control the start and stop of compressor, and control corresponding with compressor according to the start and stop state of compressor
Oil equalizing pipe road the most open-minded.Compressor is multiple, according to the cold requirement of compressor assembly, controls the start and stop of multiple compressor,
And it is the most open-minded to control the oil equalizing pipe road corresponding with compressor according to the start and stop state of compressor；When compressor is oil starvation state,
Compressor carries out oil return by air-breathing oil return from gas-liquid separator；When compressor is rich, the lubricating oil within compressor
Enter oil equalizing pipe road by equal oilhole to flow in gas-liquid separator.The control method of the present embodiment is implemented with first embodiment and second
Operational approach in example is identical, all for according to cold needs, is turned on and off a compressor or multiple compressor, and passes through
The valve controlled on oil equalizing pipe road opens or closes the control carried out oil equalizing pipe road opening state.The control method of the present embodiment makes compression
Machine system can according to cold change demand maximally utilize compressor, improve the utilization ratio of system and effectively make compression
Machine may be at the state of oil level balance, had both avoided compressor dry running and had improved compressor performance.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (8)
1. a compressor assembly, including compressor (10) and gas-liquid separator (20), described gas-liquid separator (20) is by all
Oil pipe line (30) connects with described compressor (10), and described compressor (10) is internal has exhaust valve plate (11), institute
The sidewall stating compressor (10) is provided with equal oilhole (12), and the first end of described oil equalizing pipe road (30) divides with described gas-liquid
Inlet pipe (21) from device (20) connects, the second end is internal with described compressor (10) through described equal oilhole (12)
Connection, it is characterised in that the position of described equal oilhole (12) is positioned at the minimum oil level of described compressor (10) with described
Between exhaust valve plate (11).
Compressor assembly the most according to claim 1, it is characterised in that described compressor (10) is two or more, described
The quantity on oil equalizing pipe road (30) is identical with the quantity of described compressor (10), and described gas-liquid separator (20) is provided with
With described compressor (10) equal number go out pipe (22), described gas-liquid separator (20) each go out pipe (22) one
One is connected with described compressor (10) accordingly.
Compressor assembly the most according to claim 1, it is characterised in that also include gs-oil separator (40), described oil gas divides
Having import and oil return opening from device (40), described compressor (10) has air vent, described compressor (10) and institute
The import stating gs-oil separator (40) is connected by gas exhaust piping, and the oil return opening of described gs-oil separator (40) passes through back
Oil pipe line is connected with the inlet pipe (21) of described gas-liquid separator (20).
Compressor assembly the most according to claim 1, it is characterised in that be provided with filter on described oil equalizing pipe road (30)
(31), throttling arrangement (32) and valve (33).
Compressor assembly the most according to claim 4, it is characterised in that described throttling arrangement (32) is capillary tube.
Compressor assembly the most according to claim 2, it is characterised in that described gas-liquid separator (20) go out pipe (22)
Take the shape of the letter U, described in go out pipe (22) near described gas-liquid separator (20) bottom position be provided with filtration members (23).
7. a control method for compressor assembly, for controlling the compressor assembly according to any one of claim 1 to 6, its
It is characterised by, according to the cold requirement of compressor assembly, controls the start and stop of compressor, and according to the start and stop of described compressor
It is the most open-minded that state controls the oil equalizing pipe road corresponding with described compressor.
Control method the most according to claim 7, it is characterised in that described compressor is multiple, according to compressor assembly
Cold requirement, controls the start and stop of multiple described compressor, and controls and described compression according to the start and stop state of described compressor
The oil equalizing pipe road that machine is corresponding is the most open-minded；
When described compressor is oil starvation state, described compressor carries out oil return by air-breathing oil return from gas-liquid separator；
When described compressor is rich, the lubricating oil within described compressor enters oil equalizing pipe road by equal oilhole and flows
To described gas-liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210415331.2A CN103776200B (en) | 2012-10-25 | 2012-10-25 | Compressor assembly and the control method of compressor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210415331.2A CN103776200B (en) | 2012-10-25 | 2012-10-25 | Compressor assembly and the control method of compressor assembly |
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| Publication Number | Publication Date |
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| CN103776200A CN103776200A (en) | 2014-05-07 |
| CN103776200B true CN103776200B (en) | 2016-08-24 |
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| CN201210415331.2A Expired - Fee Related CN103776200B (en) | 2012-10-25 | 2012-10-25 | Compressor assembly and the control method of compressor assembly |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154689A (en) * | 2014-08-27 | 2014-11-19 | 珠海格力电器股份有限公司 | Thin and high gas-liquid separator and refrigerant circulating device |
| CN104633998B (en) * | 2015-02-12 | 2017-10-31 | 三菱电机(广州)压缩机有限公司 | Rotor-type compressor parallel system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4741674A (en) * | 1986-11-24 | 1988-05-03 | American Standard Inc. | Manifold arrangement for isolating a non-operating compressor |
| JP2002277077A (en) * | 2001-03-19 | 2002-09-25 | Fujitsu General Ltd | Air conditioner |
| CN101165412A (en) * | 2006-10-17 | 2008-04-23 | Lg电子株式会社 | Air conditioner |
| JP2010139109A (en) * | 2008-12-09 | 2010-06-24 | Mitsubishi Heavy Ind Ltd | Refrigeration cycle |
| CN201731698U (en) * | 2010-07-16 | 2011-02-02 | 宁波奥克斯电气有限公司 | Gas-liquid separator |
| CN202835927U (en) * | 2012-10-25 | 2013-03-27 | 珠海格力电器股份有限公司 | Compressor system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101588204B1 (en) * | 2009-02-16 | 2016-01-25 | 엘지전자 주식회사 | Air conditioner and method for controlling air conditioner |
-
2012
- 2012-10-25 CN CN201210415331.2A patent/CN103776200B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4741674A (en) * | 1986-11-24 | 1988-05-03 | American Standard Inc. | Manifold arrangement for isolating a non-operating compressor |
| JP2002277077A (en) * | 2001-03-19 | 2002-09-25 | Fujitsu General Ltd | Air conditioner |
| CN101165412A (en) * | 2006-10-17 | 2008-04-23 | Lg电子株式会社 | Air conditioner |
| JP2010139109A (en) * | 2008-12-09 | 2010-06-24 | Mitsubishi Heavy Ind Ltd | Refrigeration cycle |
| CN201731698U (en) * | 2010-07-16 | 2011-02-02 | 宁波奥克斯电气有限公司 | Gas-liquid separator |
| CN202835927U (en) * | 2012-10-25 | 2013-03-27 | 珠海格力电器股份有限公司 | Compressor system |
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| CN103776200A (en) | 2014-05-07 |
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