JP4721881B2 - 温度式膨張弁 - Google Patents
温度式膨張弁 Download PDFInfo
- Publication number
- JP4721881B2 JP4721881B2 JP2005341032A JP2005341032A JP4721881B2 JP 4721881 B2 JP4721881 B2 JP 4721881B2 JP 2005341032 A JP2005341032 A JP 2005341032A JP 2005341032 A JP2005341032 A JP 2005341032A JP 4721881 B2 JP4721881 B2 JP 4721881B2
- Authority
- JP
- Japan
- Prior art keywords
- orifice
- valve
- valve body
- expansion valve
- operating rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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Classifications
-
- 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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/06—Details of flow restrictors or expansion valves
- F25B2341/068—Expansion valves combined with a sensor
- F25B2341/0683—Expansion valves combined with a sensor the sensor is disposed in the suction line and influenced by the temperature or the pressure of the suction gas
Landscapes
- Details Of Valves (AREA)
- Lift Valve (AREA)
- Temperature-Responsive Valves (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
4 コンプレッサ 5 コンデンサ
6 レシーバ
8 蒸発器(エバポレータ) 11 配管
20 第1通路 24 第2通路
26 第3通路
30 ニードル弁 31 ガイド孔
32 先端部
34 ばね 36 有底穴
37 壁部 38 ニードル弁
39 かしめ
40 オリフィス 41 筒部
42 底部 43 環状溝
44 Oリング 45 通過孔
46 中央部分
60 作動棒 61 先端部
62 防振ばね
70 パワーエレメント
Claims (5)
- コンデンサで凝縮した高圧冷媒が導入される弁室を有する弁本体と、前記弁室内に設けられたオリフィスと、前記オリフィスに対向配置された弁体と、前記オリフィスと前記弁体との間を通過する冷媒の流量を変化させる作動棒と、エバポレータ出口側の冷媒の温度及び圧力に基づいて前記作動棒を駆動するパワーエレメントとを備えた温度式膨張弁であって、
前記弁室を有底穴により形成し、
前記弁体の先端部をニードル状に形成するとともに前記弁体を前記有底穴内に固定し、
前記オリフィスを前記弁体の先端部に対して接離自在に設け、
前記作動棒により前記オリフィスを移動させるようにしたことを特徴とする温度式膨張弁。 - 前記弁体には、前記作動棒を案内するガイド孔が形成されていることを特徴とする請求項1に記載の温度式膨張弁。
- 前記弁体は、前記有底内に圧入されるか又は前記有底穴の壁部をポンチ加工することにより前記有底穴に固定されていることを特徴とする請求項1又は2に記載の温度式膨張弁。
- 前記オリフィスは、有底筒状に形成されるとともに前記有底穴に摺動可能に嵌装され、前記作動棒の一端が前記オリフィスに挿入されるとともに前記オリフィスの内底面に当接しており、且つ前記オリフィス内に冷媒を導入する通過孔が前記オリフィスに形成されていることを特徴とする請求項1〜3のいずれか一項に記載の温度式膨張弁。
- 前記オリフィスの外周部に前記有底穴の内周面に摺接するOリングが嵌着されていることを特徴とする請求項1〜4のいずれか一項に記載の温度式膨張弁。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005341032A JP4721881B2 (ja) | 2005-11-25 | 2005-11-25 | 温度式膨張弁 |
CN2006101445493A CN1971109B (zh) | 2005-11-25 | 2006-10-27 | 膨胀阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005341032A JP4721881B2 (ja) | 2005-11-25 | 2005-11-25 | 温度式膨張弁 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007147147A JP2007147147A (ja) | 2007-06-14 |
JP2007147147A5 JP2007147147A5 (ja) | 2008-12-25 |
JP4721881B2 true JP4721881B2 (ja) | 2011-07-13 |
Family
ID=38112046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005341032A Active JP4721881B2 (ja) | 2005-11-25 | 2005-11-25 | 温度式膨張弁 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4721881B2 (ja) |
CN (1) | CN1971109B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102368008A (zh) * | 2011-07-17 | 2012-03-07 | 太平洋电子(昆山)有限公司 | 一种膨胀阀门 |
CN108253157B (zh) * | 2016-12-29 | 2020-05-22 | 比亚迪股份有限公司 | 膨胀开关阀 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10205927A (ja) * | 1997-01-17 | 1998-08-04 | Denso Corp | 電動式膨張弁 |
JP2001263866A (ja) * | 2000-03-21 | 2001-09-26 | Zexel Valeo Climate Control Corp | 超臨界蒸気圧縮冷凍サイクル装置用高圧制御弁 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2173318Y (zh) * | 1993-09-21 | 1994-08-03 | 机械电子工业部西安重型机械研究所 | 动阀套滑阀式断流阀 |
JPH08145507A (ja) * | 1994-11-24 | 1996-06-07 | Sanyo Electric Co Ltd | 冷媒流量制御弁及び冷媒流量制御弁を用いた冷凍装置 |
JP3941602B2 (ja) * | 2002-02-07 | 2007-07-04 | 株式会社デンソー | エジェクタ方式の減圧装置 |
-
2005
- 2005-11-25 JP JP2005341032A patent/JP4721881B2/ja active Active
-
2006
- 2006-10-27 CN CN2006101445493A patent/CN1971109B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10205927A (ja) * | 1997-01-17 | 1998-08-04 | Denso Corp | 電動式膨張弁 |
JP2001263866A (ja) * | 2000-03-21 | 2001-09-26 | Zexel Valeo Climate Control Corp | 超臨界蒸気圧縮冷凍サイクル装置用高圧制御弁 |
Also Published As
Publication number | Publication date |
---|---|
CN1971109A (zh) | 2007-05-30 |
JP2007147147A (ja) | 2007-06-14 |
CN1971109B (zh) | 2010-08-18 |
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