CN206695457U - A kind of multifunctional gas-liquid separator - Google Patents
A kind of multifunctional gas-liquid separator Download PDFInfo
- Publication number
- CN206695457U CN206695457U CN201720357377.1U CN201720357377U CN206695457U CN 206695457 U CN206695457 U CN 206695457U CN 201720357377 U CN201720357377 U CN 201720357377U CN 206695457 U CN206695457 U CN 206695457U
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- Prior art keywords
- housing
- pipe
- ball float
- feed tube
- liquid separator
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- 239000007788 liquid Substances 0.000 title claims abstract description 58
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 239000003507 refrigerant Substances 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims 1
- 239000013589 supplement Substances 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract description 5
- LLPOLZWFYMWNKH-CMKMFDCUSA-N hydrocodone Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)CC(=O)[C@@H]1OC1=C2C3=CC=C1OC LLPOLZWFYMWNKH-CMKMFDCUSA-N 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses a kind of multifunctional gas-liquid separator, including housing, feed tube is stretched into the housing, the mouth of pipe of the feed tube is provided with ball float valve module, the ball float valve module includes ball float, connecting rod, throttle valve seat and throttling valve core, the throttle valve seat is seated at the mouth of pipe of the feed tube, the throttle orifice connected with the feed tube is provided with throttle valve seat, throttling valve core upper and lower displacement in the set cylinder of the throttle valve seat, block the throttle orifice, the ball float is located at the side of the feed tube, one end of the connecting rod is fixedly connected with the ball float, the other end is rotatablely connected with the throttle valve seat and throttling valve core respectively.Gas-liquid separator of the present utility model has gas-liquid separation, the function of siphon circulation, while by being arranged on the ball float valve module of feed tube nozzle position, throttling feed flow and Liquid level are integrated in one again, makes refrigeration system more succinct, makes whole refrigeration system cost more economical.
Description
Technical field
It the utility model is related to art of refrigeration units, and in particular to a kind of heat exchanger gas-liquid separator.
Background technology
At present, there is a kind of hydrocone type evaporator in refrigerating field, hydrocone type evaporator is made up of two parts, and top is gas
Liquid/gas separator, bottom are heat exchanger, and the refrigerant liquid after throttling enters gas-liquid separator, wherein keeping certain hydrostatic
Power, absorbed heat by gravity to heat exchanger tube pass feed flow, liquid refrigerant in heat exchanger, partial gasification produces import and export liquid
Raw density contrast（Potential energy is poor）, this pressure difference generation power, refrigerant is constantly circulated between gas-liquid separator and heat exchanger.
Gas-liquid separator be generally divided into it is horizontal and vertical two kinds, general refrigeration system need to gas-liquid separator configure one
Liquid level sensor, level parameter is provided to control system, control system adjusts throttle mechanism further according to level parameter（Generally
Electric expansion valve）Aperture, the amount of the laggard refrigerant gone in gas-liquid separator that throttles is controlled with this, so as to ensure gas-liquid point
It can be controlled in rational scope from the liquid level in device.
But this feed flow control mode is complex, it is necessary to could be realized by control system.Additionally, due to gas-liquid separation
A large amount of liquid refrigerants in device and the evaporator communicated therewith be present, dissolved with certain refrigeration oil in liquid refrigerant, excessive
Refrigeration oil can be greatly attenuated the heat exchange efficiency in evaporator, the refrigeration oil in hydrocone type evaporator is smoothly returned to system
It is also a technical barrier in cold compressor.
The content of the invention
Goal of the invention：The utility model purpose is in view of the shortcomings of the prior art, there is provided the gas-liquid separation of one kind collection, siphon
Circulation, throttling feed flow and Liquid level are in the multifunctional gas-liquid separator of one.
Technical scheme：Multifunctional gas-liquid separator described in the utility model, including housing, the housing by tedge,
Down-comer connects with the tube side of heat exchanger, and the bottom of the housing is connected with feed tube, and top is connected with escape pipe, is respectively used to
Refrigerant liquid and discharging refrigerant gas are supplemented into housing；
The feed tube is stretched into the housing, and the mouth of pipe of the feed tube is provided with ball float valve module, the ball float
Valve module includes ball float, connecting rod, throttle valve seat and throttling valve core, and the throttle valve seat is seated at the mouth of pipe of the feed tube, throttling
Be provided with the throttle orifice connected with the feed tube on valve seat, the throttling valve core in the set cylinder of the throttle valve seat on it is the next
Move, block the throttle orifice, the ball float is located at the side of the feed tube, and one end of the connecting rod is fixed with the ball float to be connected
Connect, the other end is rotatablely connected with the throttle valve seat and throttling valve core respectively；
The ball float follows the change of housing inner refrigerant liquid level to fluctuate, and drives the connecting rod with the connecting rod and throttling
Swung up and down centered on the tie point of valve seat, the connecting rod drives the throttling valve core upper and lower in the set cylinder of the throttle valve seat
Displacement, control the aperture of the throttle orifice.
Further preferably technical scheme is the utility model, and the housing is hollow upright shell, housing it is upper and lower
Both ends are closed by upper end cover and bottom end cover respectively, and the feed tube is stretched into the housing through the bottom end cover, with the shell
The inner chamber connection of body；The escape pipe passes through the upper end cover, is connected with the inner chamber of the housing, the mouth of pipe of escape pipe with it is described
Upper end cover is concordant.
Preferably, the tedge is arranged on the middle part side of the housing, and the mouth of pipe of tedge is stretched into the housing；
The down-comer is arranged on the bottom end cover of the housing, and the mouth of pipe of down-comer is concordant with the bottom end cover.
Preferably, the mouth of pipe of the tedge is downwardly open angle, in the mouth of pipe of the tedge in the housing
Upper and lower both sides are respectively arranged with overhead gage and lower baffle plate, the overhead gage semicircular in shape, are welded on the housing of tedge opposite side
On inwall；The lower baffle plate for lack circle flat board, be welded on in the inner walls of the tedge homonymy, the ball float valve module
Positioned at the lower section of the lower baffle plate.
Preferably, dividing plate is additionally provided with the housing between the down-comer and the feed tube, the dividing plate is welded on
On the inwall of the housing, and gap is left between the upper and lower side of dividing plate and the lower baffle plate and bottom end cover.
Preferably, the ball float of the ball float valve module is between the dividing plate and feed tube.
Preferably, fuel-displaced component is additionally provided with the down-comer, the fuel-displaced component includes injector, flowline, drawn
Emitter outlet valve and injector high-pressure inlet valve, the injector are venturi tube structure, one end of the flowline with it is described
The middle part interface connection of injector, the other end are stretched into the down-comer, and the interface at the injector both ends draws with described respectively
Emitter outlet valve connects with injector high-pressure inlet valve, is connected by the return line of the injector outlet valve and compressor,
It is connected by the injector high-pressure inlet valve with high-pressure gas pipeline.
Preferably, the housing is fixed on the top of heat exchanger by bearing.
Beneficial effect：（1）Gas-liquid separator of the present utility model has gas-liquid separation, the function of siphon circulation, leads to simultaneously
The ball float valve module for being arranged on feed tube nozzle position is crossed, and throttling feed flow and Liquid level are integrated in one, passes through ball float
Choke valve feed flow into gas-liquid separator, and the liquid level in gas-liquid separator is effectively controlled, without passing through the control system of complexity again
System realizes the control of liquid level, also causes the throttle mechanism that electric expansion valve etc need not be reconfigured in refrigeration system in addition, makes system
Cooling system is more succinct, makes whole refrigeration system cost more economical；
（2）The utility model structure setting is reasonable, and each hierarchy of components in housing is clearly demarcated, and the tedge mouth of pipe is downwards oblique
Mouthful, be provided with overhead gage on the upside of the mouth of pipe, the refrigerant liquid splashing for preventing from spraying out of tedge by refrigerant gas sweep along into
Enter escape pipe, make gas-liquid separation more thorough；
（3）Lower baffle plate is set on the downside of the tedge mouth of pipe in the utility model, between down-comer and feed tube set every
Plate, prevent the refrigerant gas that is sprayed out of tedge and liquid when moving downward to larger fluctuation shadow caused by bottoms level
Ring, so that it is guaranteed that the stability of ball-cock assembly work, makes Liquid level more stable；
（4）The utility model is provided with oil return component on down-comer, will be managed by the use of high-pressure gas refrigerant as power
The low pressure liquid injection dissolved with refrigeration oil in road is returned in compressor return line, makes gas-liquid separator while has oil return work(
Can, further realize multifunction.
Brief description of the drawings
Fig. 1 is the structural representation of multifunctional gas-liquid separator described in the utility model；
In figure, 1- outlet mouth of pipe flange, 2- overhead gages, 3- housings, 4- lower baffle plates, 5- connecting rods, 6- ball floats, 7- dividing plates, 8-
Bottom end cover, 9- down-comers, 10- flowlines, 11- decline nozzle flange, 12- injectors outlet valve, 13- injectors, 14- injectors
High-pressure inlet valve, 15- bearings, 16- feed liquors nozzle flange, 17- feed tubes, 18- throttle orifices, 19- throttle valve seats, 20- choke valves
Core, 21- tedges, 22- rise nozzle flange, 23- upper end covers, 24- escape pipes.
Embodiment
Technical solutions of the utility model are described in detail below by accompanying drawing, but the scope of protection of the utility model
It is not limited to the embodiment.
Embodiment：A kind of multifunctional gas-liquid separator, including hollow upright shell 3, housing 3 are fixed on by bearing 15
The top of heat exchanger, the upper/lower terminal of housing 3 are closed by upper end cover 23 and bottom end cover 8 respectively, housing 3 by tedge 21, under
Drop pipe 9 connects with the tube side of heat exchanger, and the bottom of housing 3 is connected with feed tube 17, and top is connected with escape pipe 24.
The mouth of pipe of tedge 21 is stretched into housing 3 by the middle part side of housing 3, and the other end is provided with rising nozzle flange
22；The mouth of pipe of down-comer 9 is arranged on the bottom end cover 8 of housing 3, and concordant with bottom end cover 8, and the other end, which is provided with, declines mouth of pipe method
Orchid 11.The mouth of pipe of feed tube 17 is stretched into housing 3 through bottom end cover 8, is connected with the inner chamber of housing 3, the other end is provided with feed liquor
Nozzle flange 16；The mouth of pipe of escape pipe 24 is concordant with upper end cover 23 through upper end cover 23, and is connected with the inner chamber of housing 3, another
End is provided with outlet mouth of pipe flange 1.
Fuel-displaced component is additionally provided with down-comer 9, fuel-displaced component includes injector 13, flowline 10, injector outlet valve
12 and injector high-pressure inlet valve 14, injector 13 is venturi tube structure, one end of flowline 10 and the middle part of injector 13
Interface is connected, and the other end is stretched into down-comer 9, and projects upwards its inwall 10mm, and the interface at the both ends of injector 13 is respectively with drawing
Emitter outlet valve 12 and injector high-pressure inlet valve 14 connect.
Feed liquor nozzle flange 16 is connected with condenser drain pipe road, and the return line of outlet mouth of pipe flange 1 and compressor connects
Connect, decline nozzle flange 11 and be connected with the inlet ductwork of evaporator, rise nozzle flange 22 and be connected with the export pipeline of evaporator,
Injector high-pressure inlet valve 14 is connected with high-pressure gas pipeline, and injector outlet valve 12 is connected with the return line of compressor.
The mouth of pipe of tedge 21 is downwardly open angle, is set respectively in the upper and lower both sides of the mouth of pipe of tedge 21 in housing 3
Overhead gage 2 and lower baffle plate 4 are equipped with, the semicircular in shape of overhead gage 2, is welded in the inner walls of the opposite side of tedge 21；Lower baffle plate 4
For lack circle flat board, be welded on in the inner walls of the homonymy of tedge 21.Also set in housing between down-comer 9 and feed tube 17
Dividing plate 7 is equipped with, dividing plate 7 is welded on the inwall of housing 3, and is stayed between the upper and lower side of dividing plate 7 and lower baffle plate 4 and bottom end cover 8
There is gap, the gap between dividing plate 7 and bottom end cover 8 is 10 ~ 15mm.
The mouth of pipe of feed tube 17 is provided with ball float valve module, ball float valve module is located at the lower section of lower baffle plate 4, ball float valve group
Part includes ball float 6, connecting rod 5, throttle valve seat 19 and throttling valve core 20, and throttle valve seat 19 is seated at the mouth of pipe of feed tube 17, choke valve
The throttle orifice 18 connected with feed tube 17 is provided with seat 19, the upper and lower displacement in the set cylinder of throttle valve seat 19 of throttling valve core 20,
Throttle orifice 18 is blocked, ball float 6 is between dividing plate 7 and feed tube 17, and one end of connecting rod 5 is fixedly connected with ball float 6, and the other end is opened
There are two connection hole positions, be rotatablely connected respectively by axostylus axostyle and throttle valve seat 19 and throttling valve core 20, form lever construction.
When in gas-liquid separator liquid level rise ball float 6 is moved upwards when, under the drive of connecting rod 5 throttling valve core 20 to
Lower motion, progressively reduce the cold-producing medium stream flux of throttle orifice 18, until closing throttle orifice 18；When under the liquid level in gas-liquid separator
When drop moves downward ball float 6, throttling valve core 20 is moved upwards under the drive of connecting rod 5, opens throttle orifice 18, and incrementally increase
The cold-producing medium stream flux of throttle orifice, so as to control into the refrigerant level in gas-liquid separator.
As described above, although the utility model has been represented and described with reference to specific preferred embodiment, but it must not
It is construed to the limitation to the utility model itself.In the spirit and scope of the present utility model for not departing from appended claims and defining
Under the premise of, can various changes can be made in the form and details to it.
Claims (8)
1. a kind of multifunctional gas-liquid separator, including housing, the housing is connected by the tube side of tedge, down-comer and heat exchanger
Logical, the bottom of the housing is connected with feed tube, and top is connected with escape pipe, is respectively used to supplement refrigerant liquid into housing
With discharging refrigerant gas；It is characterized in that：
The feed tube is stretched into the housing, and the mouth of pipe of the feed tube is provided with ball float valve module, the ball float valve group
Part includes ball float, connecting rod, throttle valve seat and throttling valve core, and the throttle valve seat is seated at the mouth of pipe of the feed tube, throttle valve seat
On be provided with the throttle orifice connected with the feed tube, throttling valve core upper and lower displacement in the set cylinder of the throttle valve seat,
The throttle orifice is blocked, the ball float is located at the side of the feed tube, and one end of the connecting rod is fixedly connected with the ball float,
The other end is rotatablely connected with the throttle valve seat and throttling valve core respectively；
The ball float follows the change of housing inner refrigerant liquid level to fluctuate, and drives the connecting rod with the connecting rod and throttle valve seat
Tie point centered on swing up and down, the connecting rod drive the throttling valve core in the set cylinder of the throttle valve seat on it is the next
Move, control the aperture of the throttle orifice.
2. multifunctional gas-liquid separator according to claim 1, it is characterised in that the housing is hollow vertical shell
Body, the upper/lower terminal of housing are closed by upper end cover and bottom end cover respectively, and the feed tube stretches into the shell through the bottom end cover
In vivo, the inner chamber with the housing connects；The escape pipe passes through the upper end cover, is connected with the inner chamber of the housing, outlet
The mouth of pipe of pipe is concordant with the upper end cover.
3. multifunctional gas-liquid separator according to claim 2, it is characterised in that the tedge is arranged on the housing
Middle part side, the mouth of pipe of tedge stretched into the housing；The down-comer is arranged on the bottom end cover of the housing, is declined
The mouth of pipe of pipe is concordant with the bottom end cover.
4. multifunctional gas-liquid separator according to claim 3, it is characterised in that the mouth of pipe of the tedge is to open downwards
Mouthful angle, be respectively arranged with overhead gage and lower baffle plate in the housing in the upper and lower both sides of the mouth of pipe of the tedge, it is described on
Baffle plate semicircular in shape, it is welded in the inner walls of tedge opposite side；The lower baffle plate for lack circle flat board, be welded on it is described
In the inner walls of tedge homonymy, the ball float valve module is located at the lower section of the lower baffle plate.
5. multifunctional gas-liquid separator according to claim 4, it is characterised in that the down-comer and the feed tube it
Between housing in be additionally provided with dividing plate, the dividing plate is welded on the inwall of the housing, and the upper and lower side of dividing plate with it is described under
Gap is left between baffle plate and bottom end cover.
6. multifunctional gas-liquid separator according to claim 5, it is characterised in that the ball float of the ball float valve module is located at
Between the dividing plate and feed tube.
7. multifunctional gas-liquid separator according to claim 1, it is characterised in that be additionally provided with the down-comer fuel-displaced
Component, the fuel-displaced component include injector, flowline, injector outlet valve and injector high-pressure inlet valve, the injector
For venturi tube structure, one end of the flowline is connected with the middle part interface of the injector, and the other end stretches into the decline
In pipe, the interface at the injector both ends is connected with the injector outlet valve and injector high-pressure inlet valve respectively, passes through institute
The return line for stating injector outlet valve and compressor connects, and is connected by the injector high-pressure inlet valve and high-pressure gas pipeline
Connect.
8. according to the multifunctional gas-liquid separator described in claim 1 ~ 7 any one, it is characterised in that the housing passes through branch
Seat is fixed on the top of heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720357377.1U CN206695457U (en) | 2017-04-07 | 2017-04-07 | A kind of multifunctional gas-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720357377.1U CN206695457U (en) | 2017-04-07 | 2017-04-07 | A kind of multifunctional gas-liquid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206695457U true CN206695457U (en) | 2017-12-01 |
Family
ID=60441845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720357377.1U Active CN206695457U (en) | 2017-04-07 | 2017-04-07 | A kind of multifunctional gas-liquid separator |
Country Status (1)
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| CN (1) | CN206695457U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131854A (en) * | 2018-02-09 | 2018-06-08 | 安徽美乐柯制冷空调设备有限公司 | A kind of multi-parallel screw low-temperature handpiece Water Chilling Units of direct-expansion type feed flow |
| CN108469015A (en) * | 2018-04-26 | 2018-08-31 | 陈洁 | Steam generation facility with Steam Recovery and vapor-liquid separation function |
| CN109140846A (en) * | 2018-09-27 | 2019-01-04 | 克莱门特捷联制冷设备(上海)有限公司 | A kind of multifunctional accumulator |
| CN109210837A (en) * | 2018-10-09 | 2019-01-15 | 河南城建学院 | injection oil return gas-liquid separator |
| CN109269164A (en) * | 2018-10-22 | 2019-01-25 | 广东纽恩泰新能源科技发展有限公司 | Gas-liquid separator |
| CN109631433A (en) * | 2018-12-07 | 2019-04-16 | 珠海格力电器股份有限公司 | Separating device |
| CN111023674A (en) * | 2019-12-30 | 2020-04-17 | 北京市京科伦冷冻设备有限公司 | Constant temperature and humidity three-dimensional warehouse |
| CN111750576A (en) * | 2019-03-26 | 2020-10-09 | 青岛海尔智能技术研发有限公司 | Liquid storage device and refrigeration equipment |
| CN111794971A (en) * | 2020-07-07 | 2020-10-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Liquid storage device and compressor |
| CN111811173A (en) * | 2020-07-07 | 2020-10-23 | 重庆美的通用制冷设备有限公司 | Air conditioning unit |
| CN111928547A (en) * | 2020-07-15 | 2020-11-13 | 青岛海尔空调电子有限公司 | Oil separator, oil return system and air conditioning system |
| CN111928548A (en) * | 2020-07-15 | 2020-11-13 | 青岛海尔空调电子有限公司 | Gas-liquid separator, oil return system and air conditioning system |
| CN113277208A (en) * | 2021-05-24 | 2021-08-20 | 巢湖云海镁业有限公司 | Pressure guide type transfer device for inert atmosphere protection magnesium liquid |
| CN113883749A (en) * | 2020-07-02 | 2022-01-04 | 青岛海尔空调电子有限公司 | Oil return system and air conditioning system with same |
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2017
- 2017-04-07 CN CN201720357377.1U patent/CN206695457U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131854B (en) * | 2018-02-09 | 2023-10-10 | 安徽美乐柯制冷空调设备有限公司 | Direct expansion type liquid supply multi-parallel screw low-temperature water chilling unit |
| CN108131854A (en) * | 2018-02-09 | 2018-06-08 | 安徽美乐柯制冷空调设备有限公司 | A kind of multi-parallel screw low-temperature handpiece Water Chilling Units of direct-expansion type feed flow |
| CN108469015A (en) * | 2018-04-26 | 2018-08-31 | 陈洁 | Steam generation facility with Steam Recovery and vapor-liquid separation function |
| CN108469015B (en) * | 2018-04-26 | 2023-08-15 | 宜昌市禹猫智能科技有限公司 | Steam generating device with steam recovery and steam-liquid separation functions |
| CN109140846A (en) * | 2018-09-27 | 2019-01-04 | 克莱门特捷联制冷设备(上海)有限公司 | A kind of multifunctional accumulator |
| CN109210837A (en) * | 2018-10-09 | 2019-01-15 | 河南城建学院 | injection oil return gas-liquid separator |
| CN109269164B (en) * | 2018-10-22 | 2024-04-19 | 广东纽恩泰新能源科技股份有限公司 | Gas-liquid separator |
| CN109269164A (en) * | 2018-10-22 | 2019-01-25 | 广东纽恩泰新能源科技发展有限公司 | Gas-liquid separator |
| CN109631433A (en) * | 2018-12-07 | 2019-04-16 | 珠海格力电器股份有限公司 | Separating device |
| CN111750576A (en) * | 2019-03-26 | 2020-10-09 | 青岛海尔智能技术研发有限公司 | Liquid storage device and refrigeration equipment |
| CN111750576B (en) * | 2019-03-26 | 2022-06-14 | 青岛海尔智能技术研发有限公司 | Liquid storage device and refrigeration equipment |
| CN111023674A (en) * | 2019-12-30 | 2020-04-17 | 北京市京科伦冷冻设备有限公司 | Constant temperature and humidity three-dimensional warehouse |
| CN111023674B (en) * | 2019-12-30 | 2021-09-14 | 北京市京科伦冷冻设备有限公司 | Constant temperature and humidity three-dimensional warehouse |
| CN113883749A (en) * | 2020-07-02 | 2022-01-04 | 青岛海尔空调电子有限公司 | Oil return system and air conditioning system with same |
| WO2022007343A1 (en) * | 2020-07-07 | 2022-01-13 | 重庆美的通用制冷设备有限公司 | Air conditioning unit |
| CN111811173A (en) * | 2020-07-07 | 2020-10-23 | 重庆美的通用制冷设备有限公司 | Air conditioning unit |
| CN111794971A (en) * | 2020-07-07 | 2020-10-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Liquid storage device and compressor |
| CN111928548A (en) * | 2020-07-15 | 2020-11-13 | 青岛海尔空调电子有限公司 | Gas-liquid separator, oil return system and air conditioning system |
| CN111928547A (en) * | 2020-07-15 | 2020-11-13 | 青岛海尔空调电子有限公司 | Oil separator, oil return system and air conditioning system |
| CN113277208A (en) * | 2021-05-24 | 2021-08-20 | 巢湖云海镁业有限公司 | Pressure guide type transfer device for inert atmosphere protection magnesium liquid |
| CN113277208B (en) * | 2021-05-24 | 2023-10-24 | 巢湖云海镁业有限公司 | Pressure guide type transfer device for protecting magnesium liquid in inert atmosphere |
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