JPS61153875U - - Google Patents
Info
- Publication number
- JPS61153875U JPS61153875U JP3649285U JP3649285U JPS61153875U JP S61153875 U JPS61153875 U JP S61153875U JP 3649285 U JP3649285 U JP 3649285U JP 3649285 U JP3649285 U JP 3649285U JP S61153875 U JPS61153875 U JP S61153875U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- pressure
- refrigerant
- valve
- chamber
- 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.)
- Pending
Links
- 239000003507 refrigerant Substances 0.000 claims 4
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Safety Valves (AREA)
Description
第１図は本案膨張弁の一実施例の概略の縦断面
図で、第２図は蒸発器を接続した従来の膨張弁の
概略図である。
１１…弁本体、１２…入口路、１３…出口路、
１５…弁座、１６…弁体、１８…ばね受け、２０
…ばね、２１…定圧室、２２，２４…ダイヤフラ
ム、２３…制御室、２６…感温筒、２８…ストツ
パ、３０…作動棒。
FIG. 1 is a schematic vertical sectional view of one embodiment of the expansion valve of the present invention, and FIG. 2 is a schematic view of a conventional expansion valve connected to an evaporator. 11... Valve body, 12... Inlet path, 13... Outlet path,
15...Valve seat, 16...Valve body, 18...Spring receiver, 20
...Spring, 21... Constant pressure chamber, 22, 24... Diaphragm, 23... Control chamber, 26... Temperature sensing tube, 28... Stopper, 30... Operating rod.
Claims (1)
て連通する低圧側出口路を入する弁本体と、この
出口路に形成された弁室内において常時ばね圧に
よりばね受けを介して前記弁座側に偏位している
弁体と、前記弁本体に対向して設けられ、且感温
筒と接続されて内部に冷媒を封入した制御室と、
この制御室と前記弁本体との間に互いに対向する
ダイヤフラムを介して気密に設けられ、前記低圧
側出口路内の冷媒の圧力より高い圧力の冷媒を封
入した定圧室と、この定圧室内に設けられ、前記
両ダイヤフラムに対向する面が当接するストツパ
と、前記弁本体と定圧室との間のダイヤフラムと
前記ばね受けとの間に弁本体を貫通して設けられ
た作動棒とよりなる負圧防止機構付膨張弁。 A valve body into which a refrigerant high-pressure side inlet path, a low-pressure side outlet path that communicates with this inlet path via a valve seat, and a valve chamber formed in this outlet path are constantly operated by spring pressure through a spring receiver. a valve body that is deviated toward the seat; a control chamber that is provided opposite to the valve body and is connected to a temperature-sensing tube and has a refrigerant sealed therein;
A constant pressure chamber is airtightly provided between the control chamber and the valve body via diaphragms facing each other, and is filled with a refrigerant having a pressure higher than that of the refrigerant in the low pressure side outlet passage. negative pressure comprising a stopper with which surfaces facing both the diaphragms abut, and an actuating rod extending through the valve body between the diaphragm and the spring receiver between the valve body and the constant pressure chamber. Expansion valve with prevention mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3649285U JPS61153875U (en) | 1985-03-14 | 1985-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3649285U JPS61153875U (en) | 1985-03-14 | 1985-03-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61153875U true JPS61153875U (en) | 1986-09-24 |
Family
ID=30541724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3649285U Pending JPS61153875U (en) | 1985-03-14 | 1985-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61153875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11270929A (en) * | 1998-03-24 | 1999-10-05 | Saginomiya Seisakusho Inc | Temperature system expansion valve and its setup method |
-
1985
- 1985-03-14 JP JP3649285U patent/JPS61153875U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11270929A (en) * | 1998-03-24 | 1999-10-05 | Saginomiya Seisakusho Inc | Temperature system expansion valve and its setup method |