JPH0197165U - - Google Patents
Info
- Publication number
- JPH0197165U JPH0197165U JP19345687U JP19345687U JPH0197165U JP H0197165 U JPH0197165 U JP H0197165U JP 19345687 U JP19345687 U JP 19345687U JP 19345687 U JP19345687 U JP 19345687U JP H0197165 U JPH0197165 U JP H0197165U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant passage
- refrigerant
- passage
- casing
- expansion valve
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims 6
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Magnetically Actuated Valves (AREA)
- Temperature-Responsive Valves (AREA)
Description
第１図は、本考案に係る膨張弁の縦断面図、第
２図は、従来の膨張弁の縦断面図、第３図は、第
１図及び第２図におけるソレノイドコイルの通電
制御を行うための概略電気回路図、第４図は、冷
房サイクルの概略図、第５図は、冷房サイクルを
モリエル線上に表わした線図である。
６，６ａ，６ｂ……膨張弁、１２……ケーシン
グ、１３……ソレノイドコイル、１５……スロー
ト部、１６……弁作動棒、１７……弁体、１８…
…プランジヤ、１９……ロツド、２０……コイル
ばね、２５……凸部、２８ａ，２８ｂ，２８ｃ，
２８ｄ……連通路、３１……バイパス通路。
FIG. 1 is a vertical cross-sectional view of an expansion valve according to the present invention, FIG. 2 is a vertical cross-sectional view of a conventional expansion valve, and FIG. 3 is a vertical cross-sectional view of a conventional expansion valve. FIG. 4 is a schematic diagram of the cooling cycle, and FIG. 5 is a diagram showing the cooling cycle on a Mollier line. 6, 6a, 6b...Expansion valve, 12...Casing, 13...Solenoid coil, 15...Throat portion, 16...Valve operating rod, 17...Valve body, 18...
...Plunger, 19...Rod, 20...Coil spring, 25...Protrusion, 28a, 28b, 28c,
28d...Communication passage, 31...Bypass passage.
Claims (1)
されたケーシング１２内に、前記両冷媒通通路８
，９を連通するスロート部１５を設け、ソレノイ
ドコイル１３の電磁力により軸方向変位するプラ
ンジヤ１８のロツド１９に一端が連結された弁作
動棒１６の他端に、前記スロート部１５の開度を
調整する弁体１７を設け、前記ケーシング１２内
に前記弁作動棒１６に対して前記弁体１７が前記
スロート部１５を閉じる方向に弾発力を付勢する
コイルばね２０を設けてなる膨張弁において、内
部に位置する前記プランジヤ１８と外部に位置す
る前記ソレノイドコイル１３とを区画するケース
２３内に、前記入口側冷媒通路８の冷媒を断熱膨
張させて前記出口側冷媒通路９に案内して前記ソ
レノイドコイル１３を冷却するバイパス通路を形
成したことを特徴とする膨張弁。 Inside the casing 12 in which an inlet side refrigerant passage 8 and an outlet side refrigerant passage 9 are established, both refrigerant passages 8 are provided.
. An expansion valve comprising a valve body 17 for adjustment, and a coil spring 20 provided in the casing 12 to apply an elastic force to the valve operating rod 16 in a direction in which the valve body 17 closes the throat portion 15. In the case 23 that partitions the plunger 18 located inside and the solenoid coil 13 located outside, the refrigerant in the inlet refrigerant passage 8 is adiabatically expanded and guided to the outlet refrigerant passage 9. An expansion valve characterized in that a bypass passage for cooling the solenoid coil 13 is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19345687U JPH0519717Y2 (en) | 1987-12-22 | 1987-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19345687U JPH0519717Y2 (en) | 1987-12-22 | 1987-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197165U true JPH0197165U (en) | 1989-06-28 |
| JPH0519717Y2 JPH0519717Y2 (en) | 1993-05-24 |
Family
ID=31484243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19345687U Expired - Lifetime JPH0519717Y2 (en) | 1987-12-22 | 1987-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519717Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07248162A (en) * | 1994-03-14 | 1995-09-26 | Saginomiya Seisakusho Inc | Solenoid valve with built-in throttle |
| JP2002323273A (en) * | 2001-04-26 | 2002-11-08 | Daikin Ind Ltd | Expansion valve and air conditioner |
| EP1178270A4 (en) * | 1999-05-12 | 2009-06-03 | Daikin Ind Ltd | MOTORIZED POINTEAU FOR REFRIGERATING CIRCUIT AND COOLING CIRCUIT EQUIPPED WITH MOTORIZED POINTEAU |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4113386B2 (en) * | 2001-09-28 | 2008-07-09 | 株式会社不二工機 | Motorized valve |
| JP7233757B2 (en) * | 2021-06-14 | 2023-03-07 | 株式会社不二工機 | electric valve |
-
1987
- 1987-12-22 JP JP19345687U patent/JPH0519717Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07248162A (en) * | 1994-03-14 | 1995-09-26 | Saginomiya Seisakusho Inc | Solenoid valve with built-in throttle |
| EP1178270A4 (en) * | 1999-05-12 | 2009-06-03 | Daikin Ind Ltd | MOTORIZED POINTEAU FOR REFRIGERATING CIRCUIT AND COOLING CIRCUIT EQUIPPED WITH MOTORIZED POINTEAU |
| JP2002323273A (en) * | 2001-04-26 | 2002-11-08 | Daikin Ind Ltd | Expansion valve and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0519717Y2 (en) | 1993-05-24 |
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