WO2022152179A1 - Electronic expansion valve - Google Patents
Electronic expansion valve Download PDFInfo
- Publication number
- WO2022152179A1 WO2022152179A1 PCT/CN2022/071657 CN2022071657W WO2022152179A1 WO 2022152179 A1 WO2022152179 A1 WO 2022152179A1 CN 2022071657 W CN2022071657 W CN 2022071657W WO 2022152179 A1 WO2022152179 A1 WO 2022152179A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cavity
- boss
- electronic expansion
- nut assembly
- valve seat
- Prior art date
Links
- 229910000679 solder Inorganic materials 0.000 claims abstract description 48
- 239000012530 fluid Substances 0.000 claims description 20
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 238000005476 soldering Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Definitions
- the present application relates to the field of expansion valves, and in particular, to an electronic expansion valve.
- the nut assembly is connected to the casing through a connecting piece, and in order to ensure the fixation between the nut assembly and the casing, the connecting piece and the casing are usually welded together.
- the main purpose of the present application is to provide an electronic expansion valve to solve the problem of complex structure of the electronic expansion valve in the prior art.
- an electronic expansion valve includes: a casing, the casing includes a valve seat and a sleeve, the sleeve is sleeved on the valve seat to form an accommodating cavity; a nut assembly, the nut assembly is arranged in the accommodating cavity, and the nut assembly has a connection with the valve seat
- the connecting part and the valve seat enclose a guide cavity; wherein, the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and a solder placement groove is formed between the boss and the valve seat.
- the guide cavity includes a cylindrical first cavity segment, the boss is a circular boss, and the first cavity segment and the boss extend along the same axis to form between the first cavity segment and the boss. Ring-shaped solder placement slot.
- the guide cavity includes a second cavity segment connected with the first cavity segment, and the nut assembly has a guide segment slidably connected with the second cavity segment.
- connection between the first cavity segment and the second cavity segment has a first step, and the first step abuts against the guide segment.
- the guide section is provided with a first groove, and the first groove is used for installing the seal.
- the nut assembly has a press-fitting section connected with the guide section, and the connecting portion is provided on the press-fitting section.
- the press-fitting section is provided with a second groove, and at least part of the connecting portion is set in the second groove; or the valve seat has a press-fitting groove, and the press-fitting groove is opened at the opening of the second cavity section to
- the connecting part is connected with the valve seat through the press-fitting groove; or the press-fitting section is provided with a second groove, at least part of the connecting part is arranged in the second groove, and the valve seat has a press-fitting groove, and the press-fitting groove is opened at the opening of the second cavity segment, so that the connecting portion is connected with the valve seat through the press-fitting groove.
- the side wall of the valve seat is provided with a fluid inlet, and the fluid inlet penetrates the first cavity segment and is spaced apart from the second cavity segment along the extending direction of the guide cavity.
- the nut assembly has a flow guide section connected with the boss, and the outer diameter of the flow guide section gradually decreases in a direction away from the boss.
- valve seat is provided with a fluid outlet, and the fluid outlet is arranged opposite to the boss.
- the electronic expansion valve includes: a casing, the casing includes a valve seat and a sleeve, the sleeve is sleeved on the valve seat to form an accommodating cavity; a nut assembly, the nut assembly is arranged in the accommodating cavity, and the nut
- the assembly has a connecting part connected with the valve seat, and the connecting part and the valve seat enclose a guide cavity; wherein, the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and the boss and the valve seat are formed between the boss and the valve seat. Solder placement slot.
- the nut assembly in the process of connecting the housing and the nut assembly of the electronic expansion valve, the nut assembly is connected to the valve seat through the connecting portion.
- a guide cavity is formed between the connecting part and the valve seat, and the nut assembly has a boss for fixing the solder, the boss is located in the guide cavity, and the boss and the valve seat are located in the guide cavity.
- a solder placement groove is formed between the two, so that the solder is placed on the boss before the nut assembly is installed into the housing, and the solder is located in the solder placement slot when the nut assembly is installed into the housing.
- the solder in the solder placement groove is melted from the outside of the electronic expansion valve, so that the casing and the nut assembly are welded and fixed.
- the structure of the nut assembly provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.
- FIG. 1 shows a schematic structural diagram of an embodiment of an electronic expansion valve according to the present application
- FIG. 2 shows a schematic structural diagram of an embodiment of the valve seat of the electronic expansion valve of the present application.
- FIG. 3 shows a schematic structural diagram of an embodiment of the housing of the electronic expansion valve of the present application.
- the electronic expansion valve of the embodiment of the present application includes: a casing 1 , the casing 1 includes a valve seat 12 and a sleeve 13 , and the sleeve 13 is sleeved on the valve seat 12 to form an accommodating cavity 11 ; Nut assembly 2, the nut assembly 2 is arranged in the accommodating cavity 11, the nut assembly 2 has a connecting portion 22 connected with the valve seat 12, and the connecting portion 22 and the valve seat 12 enclose a guide cavity 111; wherein, the nut assembly 2 has a A boss 21 for fixing the solder, the boss 21 is located in the guide cavity 111 , and a solder placement groove 23 is formed between the boss 21 and the valve seat 12 .
- the nut assembly 2 is connected to the valve seat 12 through the connecting portion 22 .
- a guide cavity 111 is enclosed by the connecting portion 22 and the valve seat 12.
- the nut assembly 2 has a boss 21 for fixing the solder, and the boss 21 is located in the guide cavity.
- a solder placement groove 23 is formed between the boss 21 and the valve seat 12, so that the solder is placed on the boss 21 before the nut assembly 2 is installed inside the casing 1.
- the solder in the solder placement groove 23 is melted from the outside of the electronic expansion valve, so that the casing 1 and the nut assembly 2 are welded and fixed.
- the structure of the nut assembly 2 provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.
- the guide cavity 111 includes a cylindrical first cavity section 1111 , the boss 21 is a circular boss, the first cavity section 1111 and the boss 21 Extend along the same axis to form an annular solder placement groove 23 between the first cavity segment 1111 and the boss 21 .
- the guide cavity 111 includes a cylindrical first cavity segment 1111 , the boss 21 is a circular boss, and the first cavity segment 1111 and The bosses 21 extend along the same axis, so that the bosses 21 and the first cavity segment 1111 are coaxially disposed, and an annular solder placement groove 23 is formed between the first cavity segment 1111 and the bosses 21 .
- the annular solder can be sleeved on the boss 21 . The solder is firmly fixed in the solder placement groove 23, and the soldering effect is better.
- the guide cavity 111 includes a second cavity section 1112 connected with the first cavity section 1111 , and the nut assembly 2 has a sliding function with the second cavity section 1112 Connected guide segment 24 .
- the guide cavity 111 includes a second cavity section 1112 connected with the first cavity section 1111
- the nut assembly 2 has a guide section 24 slidably connected with the second cavity section 1112 .
- the guide section 24 on the nut assembly 2 is slidably connected with the second cavity section 1112 , so that the nut assembly 2 reaches the installation position where it is installed with the housing 1 . Therefore, when the nut assembly 2 is mounted, the solder provided on the boss 21 is not damaged.
- a first step 14 is provided at the connection between the first cavity section 1111 and the second cavity section 1112 , and the first step 14 is in contact with the guide section 24 . catch.
- the connection between the first cavity segment 1111 and the second cavity segment 1112 has a first step 14 , and the first step 14 abuts against the guide segment 24 .
- the first step 14 can play a limiting role, and the position of the first step 14 determines the position of the nut assembly 2 in the housing 1 . Therefore, by setting the position of the first step 14 , the placement position of the solder can be adjusted, so as to achieve the effect of adjusting the welding position of the nut assembly 2 and the housing 1 .
- the guide section 24 is provided with a first groove, and the first groove is used for installing the seal.
- the sealing member may function to seal the guide cavity 111 , so that the solder in the solder placement groove 23 will not leak from the guide cavity 111 .
- the nut assembly 2 has a press-fitting section 25 connected to the guide section 24 , and the connecting portion 22 is provided on the press-fitting section 25 .
- the distance between the press-fitting section 25 and the second cavity section 1112 is greater than the distance between the guide section 24 and the second cavity section 1112, so that the connecting portion 22 connected to the press-fitting section 25 is in contact with the housing.
- the relative position of the nut assembly 2 and the housing 1 can be adjusted.
- the valve seat 12 has a press-fit groove 15 , and the press-fit groove 15 is opened at the opening of the second cavity segment 1112 , so that the connecting portion 22 is connected to the valve seat 12 through the press-fit groove 15 .
- the connecting portion 22 is fixedly arranged in the second groove, one side of the connecting portion 22 is press-fitted in the press-fitting groove 15 , and the connecting portion 22 and the press-fitting groove 15 are in an interference fit.
- the side wall of the valve seat 12 is provided with a fluid inlet 121 , and the fluid inlet 121 penetrates the first cavity section 1111 and communicates with the second cavity.
- the segments 1112 are arranged at intervals along the extending direction of the guide cavity 111 .
- the side wall of the valve seat 12 is provided with a fluid inlet 121 .
- the extending directions of the guide cavities 111 are arranged at intervals. The welding operation will not affect the structure and function of the fluid inlet and ensure the performance of the electronic expansion valve.
- the nut assembly 2 has a diversion section 26 connected to the boss 21 , and the outer diameter of the diversion section 26 gradually decreases along the direction away from the boss 21 . .
- the nut assembly 2 guides the fluid entering the electronic expansion valve, thereby improving the performance of the electronic expansion valve.
- the valve seat 12 is provided with a fluid outlet 122 , and the fluid outlet 122 is arranged opposite to the boss 21 . In this way, the fluid flowing into the electronic expansion valve can be guided by the guide section 26 to the fluid outlet 122, which enhances the guide effect.
- the fluid outlet 122 is spaced apart from the boss 21 along the extending direction of the guide cavity 111 .
- the electronic expansion valve of the present application includes: a casing 1, the casing 1 includes a valve seat 12 and a sleeve 13, the sleeve 13 is sleeved on the valve seat 12 to form an accommodating cavity 11; a nut assembly 2, the nut assembly 2 is arranged in In the accommodating cavity 11, the nut assembly 2 has a connecting portion 22 connected with the valve seat 12, and the connecting portion 22 and the valve seat 12 enclose a guide cavity 111; wherein, the nut assembly 2 has a boss 21 for fixing the solder, The boss 21 is located in the guide cavity 111 , and a solder placement groove 23 is formed between the boss 21 and the valve seat 12 .
- the nut assembly 2 is connected to the valve seat 12 through the connecting portion 22 .
- a guide cavity 111 is enclosed by the connecting portion 22 and the valve seat 12.
- the nut assembly 2 has a boss 21 for fixing the solder, and the boss 21 is located in the guide cavity.
- a solder placement groove 23 is formed between the boss 21 and the valve seat 12, so that the solder is placed on the boss 21 before the nut assembly 2 is installed inside the casing 1.
- the solder in the solder placement groove 23 is melted from the outside of the electronic expansion valve, so that the casing 1 and the nut assembly 2 are welded and fixed.
- the structure of the nut assembly 2 provides a place for soldering to be placed for soldering, thereby solving the problem of the complicated structure of the electronic expansion valve in the prior art.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Valve Housings (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
Description
Claims (10)
- 一种电子膨胀阀,其特征在于,包括:An electronic expansion valve, characterized in that, comprising:壳体(1),所述壳体(1)包括阀座(12)和套管(13),所述套管(13)套设在所述阀座(12)上以形成容纳腔体(11);A casing (1), the casing (1) comprising a valve seat (12) and a sleeve (13), the sleeve (13) being sleeved on the valve seat (12) to form an accommodating cavity ( 11);螺母组件(2),所述螺母组件(2)设置于所述容纳腔体(11)内,所述螺母组件(2)具有与所述阀座(12)连接的连接部(22),所述连接部(22)与所述阀座(12)围成导向腔体(111);A nut assembly (2), the nut assembly (2) is arranged in the accommodating cavity (11), and the nut assembly (2) has a connecting portion (22) connected with the valve seat (12), so The connecting portion (22) and the valve seat (12) enclose a guide cavity (111);其中,所述螺母组件(2)上具有用于固定焊料的凸台(21),所述凸台(21)位于所述导向腔体(111)内,所述凸台(21)与所述阀座(12)之间形成焊料放置槽(23)。Wherein, the nut assembly (2) has a boss (21) for fixing solder, the boss (21) is located in the guide cavity (111), and the boss (21) is connected to the Solder placement grooves (23) are formed between the valve seats (12).
- 根据权利要求1所述的电子膨胀阀,其特征在于,所述导向腔体(111)包括圆柱形的第一腔体段(1111),所述凸台(21)为圆形凸台,所述第一腔体段(1111)和所述凸台(21)沿同一轴线延伸,以在所述第一腔体段(1111)与所述凸台(21)之间形成环形的焊料放置槽(23)。The electronic expansion valve according to claim 1, wherein the guide cavity (111) comprises a cylindrical first cavity segment (1111), and the boss (21) is a circular boss, so The first cavity segment (1111) and the boss (21) extend along the same axis to form an annular solder placement groove between the first cavity segment (1111) and the boss (21) (twenty three).
- 根据权利要求2所述的电子膨胀阀,其特征在于,所述导向腔体(111)包括与所述第一腔体段(1111)连接的第二腔体段(1112),所述螺母组件(2)具有与所述第二腔体段(1112)滑动连接的导向段(24)。The electronic expansion valve according to claim 2, wherein the guide cavity (111) comprises a second cavity segment (1112) connected with the first cavity segment (1111), and the nut assembly (2) There is a guide segment (24) slidably connected with the second cavity segment (1112).
- 根据权利要求3所述的电子膨胀阀,其特征在于,所述第一腔体段(1111)和所述第二腔体段(1112)的连接处具有第一台阶(14),所述第一台阶(14)与所述导向段(24)抵接。The electronic expansion valve according to claim 3, wherein a first step (14) is provided at the connection between the first cavity section (1111) and the second cavity section (1112), and the first cavity section (1111) has a first step (14). A step (14) is in contact with the guide section (24).
- 根据权利要求3所述的电子膨胀阀,其特征在于,所述导向段(24)上开设有第一凹槽,所述第一凹槽用于安装密封件。The electronic expansion valve according to claim 3, characterized in that, the guide section (24) is provided with a first groove, and the first groove is used for installing a seal.
- 根据权利要求3所述的电子膨胀阀,其特征在于,所述螺母组件(2)具有与所述导向段(24)连接的压装段(25),所述连接部(22)设置在所述压装段(25)上。The electronic expansion valve according to claim 3, characterized in that, the nut assembly (2) has a press-fitting section (25) connected with the guide section (24), and the connecting portion (22) is provided at the on the pressing section (25).
- 根据权利要求6所述的电子膨胀阀,其特征在于,The electronic expansion valve according to claim 6, characterized in that:所述压装段(25)上设有第二凹槽,所述连接部(22)的至少部分设置于所述第二凹槽内;或者The press-fitting section (25) is provided with a second groove, and at least part of the connecting portion (22) is disposed in the second groove; or所述阀座(12)具有压装槽(15),所述压装槽(15)开设于所述第二腔体段(1112)的开口处,以使所述连接部(22)通过所述压装槽(15)与所述阀座(12)连接;或者The valve seat (12) has a press-fitting groove (15), and the press-fitting groove (15) is opened at the opening of the second cavity segment (1112), so that the connecting portion (22) can pass through the valve seat (1112). The press-fit groove (15) is connected with the valve seat (12); or所述压装段(25)上设有第二凹槽,所述连接部(22)的至少部分设置于所述第二凹槽内,并且,所述阀座(12)具有压装槽(15),所述压装槽(15)开设于所述第二腔体段(1112)的开口处,以使所述连接部(22)通过所述压装槽(15)与所述阀座(12)连接。The press-fitting section (25) is provided with a second groove, at least part of the connecting portion (22) is arranged in the second groove, and the valve seat (12) has a press-fitting groove ( 15), the press-fitting groove (15) is opened at the opening of the second cavity segment (1112), so that the connecting portion (22) passes through the press-fitting groove (15) and the valve seat (12) CONNECTIONS.
- 根据权利要求3所述的电子膨胀阀,其特征在于,所述阀座(12)的侧壁上开设有流体入口(121),所述流体入口(121)穿入所述第一腔体段(1111)并与所述第二腔体段(1112)沿所述导向腔体(111)的延伸方向相间隔地设置。The electronic expansion valve according to claim 3, characterized in that, a fluid inlet (121) is opened on the side wall of the valve seat (12), and the fluid inlet (121) penetrates into the first cavity segment (1111) and is spaced apart from the second cavity segment (1112) along the extending direction of the guide cavity (111).
- 根据权利要求8所述的电子膨胀阀,其特征在于,所述螺母组件(2)具有与所述凸台(21)连接的导流段(26),所述导流段(26)的外径沿远离所述凸台(21)的方向逐渐缩小。The electronic expansion valve according to claim 8, characterized in that, the nut assembly (2) has a guide section (26) connected to the boss (21), and an outer part of the guide section (26) is provided. The diameter gradually decreases along the direction away from the boss (21).
- 根据权利要求9所述的电子膨胀阀,其特征在于,所述阀座(12)上设有流体出口(122),所述流体出口(122)与所述凸台(21)相对设置。The electronic expansion valve according to claim 9, characterized in that, a fluid outlet (122) is provided on the valve seat (12), and the fluid outlet (122) is arranged opposite to the boss (21).
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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DE112022000615.3T DE112022000615T5 (en) | 2021-01-13 | 2022-01-12 | Electronic expansion valve |
KR1020237017150A KR20230088499A (en) | 2021-01-13 | 2022-01-12 | electronic expansion valve |
JP2023528003A JP2024503968A (en) | 2021-01-13 | 2022-01-12 | electronic expansion valve |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN202120093911.9 | 2021-01-13 | ||
CN202120093911.9U CN214617859U (en) | 2021-01-13 | 2021-01-13 | Electronic expansion valve |
Publications (1)
Publication Number | Publication Date |
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WO2022152179A1 true WO2022152179A1 (en) | 2022-07-21 |
Family
ID=78436614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2022/071657 WO2022152179A1 (en) | 2021-01-13 | 2022-01-12 | Electronic expansion valve |
Country Status (5)
Country | Link |
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JP (1) | JP2024503968A (en) |
KR (1) | KR20230088499A (en) |
CN (1) | CN214617859U (en) |
DE (1) | DE112022000615T5 (en) |
WO (1) | WO2022152179A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN214617859U (en) * | 2021-01-13 | 2021-11-05 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1122849A (en) * | 1997-07-03 | 1999-01-26 | Fuji Koki Corp | Motor operated valve |
CN102927342A (en) * | 2011-08-09 | 2013-02-13 | 浙江三花股份有限公司 | Electronic expansion valve and valve body component thereof |
CN111237525A (en) * | 2018-11-28 | 2020-06-05 | 浙江三花智能控制股份有限公司 | Electronic expansion valve and assembling method thereof |
CN210920141U (en) * | 2019-09-27 | 2020-07-03 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
CN210920266U (en) * | 2019-09-27 | 2020-07-03 | 浙江盾安禾田金属有限公司 | Electronic expansion valve |
CN214617859U (en) * | 2021-01-13 | 2021-11-05 | 浙江盾安人工环境股份有限公司 | Electronic expansion valve |
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2021
- 2021-01-13 CN CN202120093911.9U patent/CN214617859U/en active Active
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2022
- 2022-01-12 WO PCT/CN2022/071657 patent/WO2022152179A1/en active Application Filing
- 2022-01-12 KR KR1020237017150A patent/KR20230088499A/en not_active Application Discontinuation
- 2022-01-12 DE DE112022000615.3T patent/DE112022000615T5/en active Pending
- 2022-01-12 JP JP2023528003A patent/JP2024503968A/en active Pending
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CN214617859U (en) | 2021-11-05 |
JP2024503968A (en) | 2024-01-30 |
DE112022000615T5 (en) | 2023-11-09 |
KR20230088499A (en) | 2023-06-19 |
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