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 |