WO2021084741A1 - 統合弁 - Google Patents

統合弁 Download PDF

Info

Publication number
WO2021084741A1
WO2021084741A1 PCT/JP2019/043071 JP2019043071W WO2021084741A1 WO 2021084741 A1 WO2021084741 A1 WO 2021084741A1 JP 2019043071 W JP2019043071 W JP 2019043071W WO 2021084741 A1 WO2021084741 A1 WO 2021084741A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
separation chamber
integrated valve
liquid separation
liquid
Prior art date
Application number
PCT/JP2019/043071
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
和宏 金森
坂井　孝行
Original Assignee
太平洋工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 太平洋工業株式会社 filed Critical 太平洋工業株式会社
Priority to PCT/JP2019/043071 priority Critical patent/WO2021084741A1/ja
Priority to JP2021554028A priority patent/JP7286788B2/ja
Priority to CN201980101051.4A priority patent/CN114502900B/zh
Publication of WO2021084741A1 publication Critical patent/WO2021084741A1/ja

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat

Definitions

  • the present disclosure is incorporated in a heat pump cycle having an indoor condenser, an outdoor evaporator, and a compressor, and the gas-liquid mixed refrigerant flowing from the indoor condenser is swirled along the inner peripheral surface of the gas-liquid separation chamber to separate the gas and liquid.
  • the present invention relates to an integrated valve capable of switching between a first state in which the separated liquid phase refrigerant flows out to the outdoor evaporator and a second state in which the separated vapor phase refrigerant flows out to the compressor.
  • the heat pump cycle 80 includes a compressor 81 and an outdoor heat exchanger 83 (outdoor evaporator) arranged outside the vehicle interior (for example, inside the bonnet), and an indoor condenser 82 and an indoor evaporator 84 arranged inside the vehicle interior (inside the air conditioning unit). It is possible to switch between cooling mode and heating mode.
  • an outdoor heat exchanger 83 outdoor evaporator
  • indoor condenser 82 and an indoor evaporator 84 arranged inside the vehicle interior (inside the air conditioning unit). It is possible to switch between cooling mode and heating mode.
  • the low pressure input port 81A of the compressor 81 is connected to the output port of the outdoor heat exchanger 83 via the on-off valve 86. Further, an expansion valve 85 and an indoor evaporator 84 are arranged in parallel with the on-off valve 86 between the output port of the outdoor heat exchanger 83 and the low-voltage input port 81A of the compressor 81.
  • the on-off valve 86 is controlled to be in the open state and the expansion valve 85 is closed, and the refrigerant from the outdoor heat exchanger 83 flows directly into the compressor 81 without flowing into the indoor evaporator 84. To do.
  • the integrated valve 10 is separated by an inflow port 13 into which the refrigerant flows, a gas-liquid separation chamber 12 capable of separating the refrigerant flowing from the inflow port 13, and a gas-liquid separation chamber 12. It has a gas phase outflow port 14 for flowing out the gas phase refrigerant and a liquid phase outflow port 15 for flowing out the liquid phase refrigerant separated in the gas-liquid separation chamber 12.
  • the inflow port 13 is connected to the output port of the indoor capacitor 82 via an expansion valve 87
  • the gas phase outflow port 14 is connected to the intermediate pressure input port 81B of the compressor 81
  • the liquid phase outflow port 15 is It is connected to the input port of the outdoor heat exchanger 83.
  • the body 11 is formed by connecting the upper body 11A and the lower body 11B vertically.
  • the upper body 11A is made of metal and has a block-shaped upper support base 20A having a quadrangular front view
  • the lower body 11B is made of metal and has a substantially rectangular parallelepiped lower support base 20B.
  • a gas-liquid separation chamber 12 is provided between the upper body 11A and the lower body 11B.
  • the gas-liquid separation chamber 12 is a columnar chamber extending in the vertical direction, and a cylindrical body 12A hangs from the ceiling coaxially with the central axis.
  • An inflow port 13 for communicating the outside of the integrated valve 10 and the gas-liquid separation chamber 12 is opened in the upper right portion on the rear side of the inner peripheral surface 12B of the gas-liquid separation chamber 12.
  • the gas-liquid separation chamber 12 is of a centrifugal separation type, and the refrigerant of the gas-liquid mixture flowing from the indoor condenser 82 through the inflow port 13 swirls along the inner peripheral surface 12B of the gas-liquid separation chamber 12.
  • the centrifugal force generated by this swirl separates the gas phase refrigerant and the liquid phase refrigerant.
  • the separated gas-phase refrigerant passes through the inside of the cylindrical body 12A and goes upward, and the separated liquid-phase refrigerant travels downward along the inner peripheral surface 12B of the gas-liquid separation chamber 12.
  • a support body 53 of a drive valve 50 that moves directly in the first straight hole 21 is attached to the right surface of the lower support base 20B, and the support body 53 closes the right end opening of the first straight hole 21. ing.
  • One part of the support body 53 is positioned by being received by the reduced diameter portion 21A of the first straight hole portion 21.
  • the support body 53 and the reduced diameter portion 21A of the first straight hole portion 21 are sealed by an O-ring 53R.
  • the drive valve 50 opens and closes the valve port 62, which will be described later, by the valve body 51 provided at the tip.
  • the drive valve 50 In the non-operating state, the drive valve 50 is in a valve-opened state away from the valve opening 62, and in the operating state, the drive valve 50 is addressed to the opening edge of the valve opening 62 (that is, the valve seat 62Z) and is closed.
  • An orifice 61 extending in the radial direction and communicating the inside of the heat insulating member 60 and the inflow portion 21B of the first straight hole 21 is formed in the lower part of the right end of the heat insulating member 60.
  • the orifice 61 is narrowed toward the inside of the heat insulating member 60.
  • the lower support base 20B of the lower body 11B is provided with a partition wall 39 for partitioning between the gas-liquid separation chamber 12 and the first straight hole portion 21.
  • a communication hole 34 extending in the vertical direction and connecting the gas-liquid separation chamber 12 and the first straight hole portion 21 is formed through the partition wall 39.
  • an inflow portion 21B is provided in a portion of the first straight hole portion 21 arranged directly below the gas-liquid separation chamber 12. Then, the lower end of the communication hole 34 is opened in the inflow portion 21B.
  • the communication holes 34 are formed at two positions of the outer edge of the partition wall 39 facing each other with the center in between (see FIG. 5).
  • an upwardly projecting protruding portion 39T is formed in the central portion on the upper surface of the partition wall 39, and the protruding portion 39T has a first engagement extending downward from the upper surface.
  • Hole 39A is provided.
  • a shutter member 70 is attached to the first engaging hole 39A.
  • the shutter member 70 has an insertion bar 70B hanging from the center of the lower surface of the disc-shaped shutter portion 70A.
  • the insertion bar 70B is press-fitted into the first engagement hole 39A.
  • the shutter portion 70A covers a part of the two communication holes 34 (the central portion of the partition wall 39) from above. Further, the side surface of the shutter portion 70A is tapered.
  • the partition wall 39 is formed with a second engagement hole 39B that is displaced from the first engagement hole 39A in the horizontal direction and penetrates the partition wall 39 at a position covered by the shutter portion 70A from above. 2
  • the above-mentioned regulation bar 72 is attached to the engagement hole 39B.
  • the second straight hole portion 31 above the gas-liquid separation chamber 12 extends from the left surface of the upper support base 20A of the upper body 11A to a position closer to the right surface.
  • the above-mentioned gas phase outflow port 14 is formed through the rear surface of the upper support base 20A from the rear surface to the second straight hole portion 31 behind the right end portion of the upper support base 20A, and the gas phase outflow port 14 is formed.
  • the outside of the integrated valve 10 and the right end of the second straight hole 31 are communicated with each other.
  • the intermediate portion of the second straight hole portion 31 is connected to the inner portion of the cylindrical body 12A of the gas-liquid separation chamber 12 by a communication hole 32.
  • the portion of the second straight hole portion 31 near the gas phase outflow port 14 has a stepped diameter reduced from the left portion thereof, and an annular recess 31U is formed in the stepped portion 31D between them. Has been done.
  • a differential pressure valve 40 capable of opening and closing the flow path between the cylindrical body 12A and the gas phase outflow port 14 is attached to the second straight hole portion 31. Specifically, the left end portion of the second straight hole portion 31 is closed by the support cap 44, and the differential pressure valve 40 is arranged on the right side of the support cap 44 with the compression coil spring 42 interposed therebetween. The differential pressure valve 40 is urged toward the stepped portion 31D by the compression coil spring 42, and the valve body 41 provided in the differential pressure valve 40 always closes the valve port 43 at the inner edge of the stepped portion 31D from the left side. There is.
  • the differential pressure valve 40 that opens and closes the gas phase outflow port 14 operates as follows.
  • the drive valve 50 is opened and the valve port 62 is opened, as shown in FIG.
  • the pressure in the recess 31U passing through the communication hole 32 is relative to the pressure of the refrigerant (back pressure of the valve body 41) in the first straight hole 21 (in the heat insulating member 60) passing through the internal pressure introduction path 19.
  • the valve body 41 urged by the compression coil spring 42 is maintained so that the valve opening 43 is in the closed state. Therefore, when the heat pump cycle 80 is in the normal heating mode, the gas phase outflow port 14 of the integrated valve 10 is blocked, and the liquid refrigerant flows out only from the liquid phase outflow port 15.
  • the double cylinder component 65 shown in FIG. 7 is fitted inside the upper cylinder receiving portion 25 and the lower cylinder receiving portion 26.
  • the double-cylinder component 65 is an integrally foam-molded product of resin (for example, PPS), and has a lower thermal conductivity than the upper support base 20A and the lower support base 20B (see FIG. 4).
  • the double cylinder component 65 is arranged inside the outer cylinder portion 66 and the outer cylinder portion 66 that abuts on the inner peripheral surfaces of the upper cylinder receiving portion 25 and the lower cylinder receiving portion 26. It has an inner cylinder portion 67 and a ring plate portion 68 that connects the outer cylinder portion 66 and the inner cylinder portion 67.
  • the inflow port 13 is formed through the base penetrating portion 13A formed through the upper support base 20A and the outer cylinder portion 66 of the double cylinder component 65. It is composed of a cylinder penetrating portion 13B provided.
  • the base penetrating portion 13A of the upper support base 20A has a circular cross section, and its opening edge is formed in a tapered shape extending outward.
  • FIG. 9 is a view of the planosection of the integrated valve 10 as viewed from below.
  • the term "circular" includes not only a perfect circle but also a shape slightly distorted from the perfect circle.
  • an inflow guide protrusion 69 projecting inward from the inner peripheral surface of the outer cylinder 66 is integrally formed on the upper portion of the outer cylinder 66, and the inflow guide protrusion 69 and the outer cylinder are integrally formed.
  • a cylinder penetrating portion 13B is provided so as to penetrate the portion 66.
  • the inflow guide protrusion 69 is formed over a range from the lower surface of the annular plate portion 68 to the height near the upper groove 66M, and is formed on the inner circumference of the outer cylinder portion 66.
  • the cylinder penetrating portion 13B extends in the front-rear direction between the first surface 69A of the inflow guide protrusion 69 and the outer peripheral surface of the outer cylinder portion 66.
  • the cross-sectional shape of the cylinder penetrating portion 13B is an oval shape, and the cylinder penetrating portion 13B has a first facing surface 13B1 and a second facing surfaces facing each other in the width direction (left-right direction). It has a facing surface 13B2. As shown in FIG.
  • the cross-sectional shape of the cylinder penetrating portion 13B is an oval shape. Further, as shown in FIG. 3, in the cylinder penetrating portion 13B, the entire opening edge is exposed by the base penetrating portion 13A when viewed from the outside.
  • the outer cylinder portion 66 having the inner peripheral surface 12B of the gas-liquid separation chamber 12 and the cylindrical body 12A through which the refrigerant of the gas phase passes are formed of resin, so that gas-liquid mixing is performed.
  • the refrigerant of the gas-liquid separation chamber 12 swirls around the inner peripheral surface 12B of the gas-liquid separation chamber 12, when the refrigerant of the liquid phase travels through the inner peripheral surface 12B of the gas-liquid separation chamber 12, and when the refrigerant of the gas phase passes through the cylindrical body 12A.
  • the first facing surface 13B1 of the cylinder penetrating portion 13B which constitutes a part of the inflow port 13 and allows the gas-liquid mixed refrigerant to flow into the gas-liquid separation chamber 12, is near the tangent line of the inner peripheral surface 12B of the gas-liquid separation chamber 12.
  • the cross-sectional shape of the cylinder penetrating portion 13B is oval, the width in the radial direction becomes small, and the refrigerant can be easily applied along the inner peripheral surface 12B of the gas-liquid separation chamber 12. Flow rate can be secured.
  • the hole (base penetrating portion 13A) formed in the metal upper support base 20A can be made circular in cross section. It is possible to prevent the occurrence of burrs rather than making the cross section oval.
  • the cylinder penetrating portion 13B of the outer cylinder portion 66 is provided with an inflow guide portion 69R protruding inward from the inner peripheral surface 12B of the gas-liquid separation chamber 12, so that the cylinder penetrating portion 69R is provided.
  • the inner peripheral surface 12B of the gas-liquid separation chamber 12 makes it easier for the refrigerant flowing in from the portion 13B to follow.
  • the second surface 69B of the inflow guide protrusion 69 is curved, the refrigerant swirls more than the configuration in which the space between the inflow guide protrusion 69 and the inner peripheral surface 12B of the gas-liquid separation chamber 12 is angular. It is hard to get in the way.
  • liquid-phase refrigerant is generally captured on the inner peripheral surface until the gas-liquid mixed refrigerant flows in from the inflow port 13 and makes one round (the amount of protrusion of the inflow guide protrusion and the length in the vertical direction). Etc.).
  • FIG. 10 the integrated valve 10W of the present embodiment has a different configuration around the shutter member from the integrated valve 10 of the first embodiment.
  • the parts having the same configuration as that of the first embodiment are designated by the same reference numerals, the description thereof will be omitted, and only the different points will be described.
  • the shutter member 70W of the present embodiment is radially arranged (at a position where the outer circumference of the shutter portion 70A is divided into three equal parts) on the disc-shaped shutter portion 70A and the outer edge portion of the shutter portion 70A. It is provided with three legs 70C and the like. As shown in FIG. 13, the leg portion 70C has a strip-shaped shape, and the first band portion 70D extending downward from the outer edge of the shutter portion 70A while extending outward, and the U from the end of the first band portion 70D.
  • the second band 70E which is folded back in a shape and extends upward while facing outward, and one or two sheets below the shutter 70A, bend horizontally outward from the second band 70E. It has a third band portion 70F extending horizontally.
  • the integrated valve 10W of the present embodiment does not have the double cylinder component 65 of the first embodiment, and has a first recess 20F recessed upward from the lower surface and a first recess 20F in the upper support base 20A of the upper body 11A.
  • a cylindrical portion 20G protruding downward from the opening edge of the recess 20F is formed, while a second recess 20H recessed downward from the upper surface is formed on the lower support base 20B of the lower body 11B to support the upper side.
  • a gas-liquid separation chamber 12 is formed inside the cylindrical portion 20G.
  • two communication holes 34 are provided avoiding the insertion bar 70B of the shutter member 70, but in the integrated valve 10W of the present embodiment, one communication hole 34 is provided on the central axis of the gas-liquid separation chamber 12.
  • the entire opening of the communication hole 34 faces the shutter portion 70A from below. That is, the entire opening of the communication hole 34 is covered with the shutter portion 70A from above.
  • the entire lower end opening of the gas-liquid separation chamber 12 also faces the shutter portion 70A from above.
  • the gas-liquid separation chamber 12 of the present embodiment is molded of resin, aluminum, or the like, and is caulked and fixed to the upper support base 20A.
  • the shutter member 70W is sandwiched between the upper body 11A and the lower body 11B, so that the dimensional tolerance is larger than that in the conventional case in which the shutter member is press-fitted. And easy to process. Further, since the shutter member 70W can be assembled by mounting the shutter member 70W in the second recess 20H of the lower support base 20B and then attaching the upper support base 20A from above, the shutter member 70W can be easily assembled. become.
  • the communication hole 34 can be arranged in the center, and the entire opening of the communication hole 34 can be covered by the shutter portion 70A, and the inside of the gas-liquid separation chamber 12 can be covered. (In particular, the lower end of the cylindrical body 12A) can be made less likely to get dirty.
  • a plurality of straightening vanes 13B3 arranged in the longitudinal direction may be provided in the cylinder penetrating portion 13B.
  • the straightening vane 13B3 may be configured to be inclined downward as it goes inward. In this case, the refrigerant can be smoothly guided downward while swirling.
  • the cylinder penetrating portion 13B itself is also inclined, and the refrigerant can be guided downward more smoothly.
  • the cylinder penetrating portion 13B may extend horizontally.
  • the inflow guide protrusion 69 may have a configuration in which the amount of protrusion decreases as it goes downward. In this case, it is possible to prevent the refrigerant flowing from the cylinder penetrating portion 13B and swirling from being separated from the inner peripheral surface 12B of the gas-liquid separation chamber 12 by the inflow guide protrusion 69 and moving inward.
  • the double cylinder component 65 is provided with a rotation restricting protrusion 65T, and the upper support base 20A is provided with a receiving recess 20U for receiving the rotation regulating protrusion 65T.
  • the rotation-regulating protrusion 65T and the receiving recess 20U engage with each other in a concavo-convex manner, so that the rotation of the double-cylinder component 65 is restricted and the cylinder penetrating portion 13B and the base penetrating portion 13A are prevented from being displaced.
  • the generation of noise due to the rotation of the double cylinder component 65 can be prevented.
  • the cylinder penetrating portion 13B has an oval shape, but the present invention is not limited to this, and it may be an elliptical shape, a rectangular shape, or a circular shape. A plurality of holes may be arranged in the vertical direction.
  • the double cylinder component 65 and the upper support base 20A and the double cylinder component 65 and the lower support base 20B are sealed with separate O-rings 66R.
  • a groove 66M may be provided at a position corresponding to the boundary between the upper support base 20A and the lower support base 20B, or the upper cylinder receiving portion 25 of the upper support base 20A or the lower cylinder of the lower support base 20B may be provided.
  • a notch may be provided at the opening edge of the receiving portion 26, and one O-ring 66R may be configured to seal between the two support bases 20A and 20B.
  • the groove (notch) for the O-ring 66R is arranged not in the double cylinder part 65 but in the upper support base 20A or the lower support base 20B as in the latter, the resin double cylinder part 65 is formed. Since no parting line is generated, it is possible to seal more reliably.
  • the O-ring seals between the double-cylinder component 65 and the upper and lower support bases 20A and 20B, but a gasket may also be used. Further, the O-ring or the gasket may have a figure eight shape and may be configured to surround the double cylinder component 65 and the introduction path member 19A together.
  • the first facing surface 13B1 of the cylinder penetrating portion 13B is arranged at a position deviated from the tangent line of the inner peripheral surface 12B of the gas-liquid separation chamber 12, but the gas-liquid separation chamber 12 It may be arranged on the tangent line of the inner peripheral surface 12B. Further, the first facing surface 13B1 may be inclined with respect to the tangent line of the inner peripheral surface 12B of the gas-liquid separation chamber 12, and the width of the first facing surface 13B1 and the second facing surface 13B2 becomes wider toward the inside. It may be inclined so as to be narrow.
  • the number of communication holes 34 is one, but a plurality of communication holes 34 may be provided. Even in this case, it is preferable that the entire opening of the plurality of communication holes 34 is covered with the shutter portion 70A from above.
  • the communication hole 34 may include a portion not covered by the shutter portion 70A.
  • the leg portion 70C of the shutter member 70W is configured by bending the strip plate, but the strip plate may be overhanging in the horizontal direction. In this case, it is necessary to provide a contact portion for sandwiching the leg portion 70C in the second recess 20H of the lower support base 20B in cooperation with the lower end portion of the cylindrical portion 20G of the upper support base 20A. Further, the shutter member 70W may have a plurality of through holes at positions near the outer edge of the disk.
  • the shutter member 70W may be provided with a rotation stopper.
  • the shutter member 70W may be provided with a rotation stop leg 70K having an insertion hole 70S to be inserted into the regulation bar 72.
  • the configuration may include both the double cylinder component 65 of the first embodiment and the shutter member 70W of the second embodiment.
  • a clearance is provided between the lower end of the double cylinder component 65 and the upper surface of the partition wall 39, and the shutter member 70W is sandwiched between them.
  • the double cylinder component 65 may be positioned in the vertical direction by the legs 70C of the shutter member 70W, or a positioning flange or the like may be formed on the outer cylinder portion 66. It may be.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Valve Housings (AREA)
  • Air-Conditioning For Vehicles (AREA)
PCT/JP2019/043071 2019-11-01 2019-11-01 統合弁 WO2021084741A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2019/043071 WO2021084741A1 (ja) 2019-11-01 2019-11-01 統合弁
JP2021554028A JP7286788B2 (ja) 2019-11-01 2019-11-01 統合弁
CN201980101051.4A CN114502900B (zh) 2019-11-01 2019-11-01 集成阀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/043071 WO2021084741A1 (ja) 2019-11-01 2019-11-01 統合弁

Publications (1)

Publication Number Publication Date
WO2021084741A1 true WO2021084741A1 (ja) 2021-05-06

Family

ID=75716093

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/043071 WO2021084741A1 (ja) 2019-11-01 2019-11-01 統合弁

Country Status (3)

Country Link
JP (1) JP7286788B2 (enrdf_load_stackoverflow)
CN (1) CN114502900B (enrdf_load_stackoverflow)
WO (1) WO2021084741A1 (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6243280U (enrdf_load_stackoverflow) * 1985-09-04 1987-03-16
JP2013092355A (ja) * 2011-10-05 2013-05-16 Denso Corp 統合弁およびヒートポンプサイクル
JP2014196880A (ja) * 2013-03-29 2014-10-16 株式会社デンソー 統合弁
JP2017053613A (ja) * 2015-09-11 2017-03-16 株式会社デンソー 統合弁
JP2017053591A (ja) * 2015-09-11 2017-03-16 株式会社デンソー 統合弁

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8234877B2 (en) * 2009-07-08 2012-08-07 Trane International Inc. Compressor discharge valve providing freeze and charge migration protection
JP2012127565A (ja) * 2010-12-15 2012-07-05 Mitsubishi Electric Corp 冷凍サイクル装置
CN208635367U (zh) * 2018-08-01 2019-03-22 安徽欧瑞达电器科技有限公司 一种适用于超低温环境的两联热水机组
CN209012453U (zh) * 2018-08-17 2019-06-21 浙江盾安禾田金属有限公司 电子膨胀阀
CN209483966U (zh) * 2019-02-25 2019-10-11 天津绿清管道科技股份有限公司 整体式夹板阀

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6243280U (enrdf_load_stackoverflow) * 1985-09-04 1987-03-16
JP2013092355A (ja) * 2011-10-05 2013-05-16 Denso Corp 統合弁およびヒートポンプサイクル
JP2014196880A (ja) * 2013-03-29 2014-10-16 株式会社デンソー 統合弁
JP2017053613A (ja) * 2015-09-11 2017-03-16 株式会社デンソー 統合弁
JP2017053591A (ja) * 2015-09-11 2017-03-16 株式会社デンソー 統合弁

Also Published As

Publication number Publication date
JP7286788B2 (ja) 2023-06-05
CN114502900A (zh) 2022-05-13
JPWO2021084741A1 (enrdf_load_stackoverflow) 2021-05-06
CN114502900B (zh) 2023-05-26

Similar Documents

Publication Publication Date Title
EP3018434B1 (en) Electromagnetic valve
CN103032575B (zh) 控制阀
KR101856001B1 (ko) 증기 주입 시스템을 가진 로터리 압축기
US8992186B2 (en) Suction arrangement for a refrigeration compressor
KR101930347B1 (ko) 차량 공조 압축기를 위한 내부 감쇠되는 흡입 감쇠 장치
JP4810647B2 (ja) 差圧弁
JP2007162561A (ja) 冷媒圧縮機
WO2021084740A1 (ja) 統合弁
CN109964090B (zh) 储液器
WO2021084741A1 (ja) 統合弁
JP2018044483A (ja) アキシャルベーン型圧縮機
WO2019008892A1 (ja) スクロール圧縮機
JP2016191354A (ja) 逆止弁及び該逆止弁を備えた気体圧縮機
JP5626260B2 (ja) ベーン型圧縮機
JP7139446B2 (ja) 統合弁
JP2018193884A (ja) 制御弁
JP7717970B2 (ja) スクロール圧縮機
JP5611115B2 (ja) 気体圧縮機
JP7466693B2 (ja) 圧縮機及び冷凍サイクル装置
KR102080624B1 (ko) 사판식 압축기
JP2010001837A (ja) 気体圧縮機
JP2018053886A (ja) ロータリ型圧縮機
JP2015017552A (ja) 気体圧縮機
JPS6329189Y2 (enrdf_load_stackoverflow)
CN115298438A (zh) 离心分离式油分离器

Legal Events

Date Code Title Description
ENP Entry into the national phase

Ref document number: 2021554028

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19950764

Country of ref document: EP

Kind code of ref document: A1