JPH0211279U - - Google Patents
Info
- Publication number
- JPH0211279U JPH0211279U JP8976588U JP8976588U JPH0211279U JP H0211279 U JPH0211279 U JP H0211279U JP 8976588 U JP8976588 U JP 8976588U JP 8976588 U JP8976588 U JP 8976588U JP H0211279 U JPH0211279 U JP H0211279U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- chamber
- passage
- receiving area
- pressure receiving
- 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
- 238000005192 partition Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Safety Valves (AREA)
- Regulation And Control Of Combustion (AREA)
Description
第１図はこの考案に係る圧力比例弁の縦断正面
図、第２図は使用例を示す回路図、第３図は従来
の回路図である。
Ａ……圧力比例弁、１１……筐体、１２……通
路、１３……仕切板、１４……弁座、１５……第
１ダイヤフラム、１６……第２ダイヤフラム、１
７……第３ダイヤフラム、１８……第１室、１９
……第２室、２０……第３室、２１……第４室、
２２，２３，２４……通孔、２５……流入口、２
６……弁体、２８……弁棒。
FIG. 1 is a longitudinal sectional front view of the pressure proportional valve according to this invention, FIG. 2 is a circuit diagram showing an example of its use, and FIG. 3 is a conventional circuit diagram. A... Pressure proportional valve, 11... Housing, 12... Passage, 13... Partition plate, 14... Valve seat, 15... First diaphragm, 16... Second diaphragm, 1
7... Third diaphragm, 18... First chamber, 19
...2nd room, 20...3rd room, 21...4th room,
22, 23, 24...Through hole, 25...Inflow port, 2
6... Valve body, 28... Valve stem.
Claims (1)
この筐体内に上記弁座に並行させて設ける通路側
の第１ダイヤフラム、中間の第２ダイヤフラム、
第２ダイヤフラムの受圧面積よりも小さな受圧面
積を有する第３ダイヤフラムにより区劃した第１
室、第２室、第３室、第４室と、上記通路の一次
側と第１室とが、通路の二次側と第２室とが、第
３室と大気とがそれぞれ連通するよう設けられた
通孔と、上記第４室にガスを流入させるよう設け
られた流入口と、通路の二次側に位置させて弁座
に対応させると共に、第１ダイヤフラムの受圧面
積と同等の受圧面積を有する弁体及びこの弁体か
ら連なつて第１ダイヤフラム、第２ダイヤフラム
、第３ダイヤフラムに支持させた弁棒とから成る
圧力比例弁。 A housing with a passage with a valve seat on the internal partition plate,
A first diaphragm on the passage side provided in the housing in parallel with the valve seat, a second diaphragm in the middle,
The first diaphragm is separated by a third diaphragm having a pressure receiving area smaller than the pressure receiving area of the second diaphragm.
chamber, a second chamber, a third chamber, a fourth chamber, the primary side of the passage and the first chamber, the secondary side of the passage and the second chamber, and the third chamber and the atmosphere, respectively. A through hole provided, an inlet port provided to allow gas to flow into the fourth chamber, and a pressure receiving area located on the secondary side of the passage to correspond to the valve seat and having a pressure receiving area equivalent to the pressure receiving area of the first diaphragm. A pressure proportional valve comprising a valve body having a large area and a valve stem connected to the valve body and supported by a first diaphragm, a second diaphragm, and a third diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8976588U JPH047418Y2 (en) | 1988-07-05 | 1988-07-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8976588U JPH047418Y2 (en) | 1988-07-05 | 1988-07-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0211279U true JPH0211279U (en) | 1990-01-24 |
| JPH047418Y2 JPH047418Y2 (en) | 1992-02-27 |
Family
ID=31314306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8976588U Expired JPH047418Y2 (en) | 1988-07-05 | 1988-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH047418Y2 (en) |
-
1988
- 1988-07-05 JP JP8976588U patent/JPH047418Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH047418Y2 (en) | 1992-02-27 |