JPH01154374U - - Google Patents
Info
- Publication number
- JPH01154374U JPH01154374U JP5071988U JP5071988U JPH01154374U JP H01154374 U JPH01154374 U JP H01154374U JP 5071988 U JP5071988 U JP 5071988U JP 5071988 U JP5071988 U JP 5071988U JP H01154374 U JPH01154374 U JP H01154374U
- Authority
- JP
- Japan
- Prior art keywords
- plug
- fuel
- spring
- pressure regulator
- fuel inlet
- 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
- 239000000446 fuel Substances 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Description
第１図は本考案によるプレツシヤレギユレータ
の縦断面図、第２図はプレツシヤレギユレータの
底面図、第３図はプレツシヤレギユレータを用い
るエンジンの全体構成図、第４図は従来のプレツ
シヤレギユレータの縦断面図、第５図は従来技術
のプレツシヤレギユレータのリリーフ流量と制御
圧力を示すグラフである。
符号の説明、１…プレツシヤレギユレータ、２
…上ハウジング、３…下ハウジング、４…ベロー
ズ、５…取付板、６…背圧室、８…プラグ、９…
バルブガイド、１０…燃料室、１１…連通孔、１
２…バルブシート、１３…上部、１４…側部、１
５…間隙、１６…スプリング、３１…ダイアフラ
ム、３１ａ…ダイアフラム本体、３１ｂ…上方セ
ンタープレート、３１ｃ…下方センタープレート
、３３…ダイアフラム押え。
FIG. 1 is a longitudinal sectional view of the pressure regulator according to the present invention, FIG. 2 is a bottom view of the pressure regulator, and FIG. 3 is an overall configuration diagram of an engine using the pressure regulator. FIG. 4 is a longitudinal sectional view of a conventional pressure regulator, and FIG. 5 is a graph showing the relief flow rate and control pressure of the conventional pressure regulator. Explanation of symbols, 1...Pressure regulator, 2
...Upper housing, 3...Lower housing, 4...Bellows, 5...Mounting plate, 6...Back pressure chamber, 8...Plug, 9...
Valve guide, 10...Fuel chamber, 11...Communication hole, 1
2... Valve seat, 13... Upper part, 14... Side part, 1
5... Gap, 16... Spring, 31... Diaphragm, 31a... Diaphragm body, 31b... Upper center plate, 31c... Lower center plate, 33... Diaphragm holder.
Claims (1)
れる燃料導出口と、該燃料導出口に設けられたプ
ラグと、前記燃料導入口及びプラグの間に設けら
れ、プラグの先端に接離するバルブシート及びプ
ラグの外周を摺動するバルブガイドを有し、スプ
リングによりプラグ側に付勢される弁機構とを備
えたプレツシヤレギユレータにおいて、前記スプ
リングが配置される背圧室に、背圧室に加えられ
る圧力に応じてスプリングの長さを変化させてバ
ルブシートのプラグへのセツト荷重を変化させる
ダイアフラムを設けたことを特徴とするプレツシ
ヤレギユレータ。 A fuel inlet through which fuel is introduced, a fuel outlet through which fuel is led out, a plug provided at the fuel outlet, and a fuel inlet provided between the fuel inlet and the plug, which approaches and separates from the tip of the plug. In a pressure regulator including a valve seat and a valve guide that slides on the outer periphery of a plug, and a valve mechanism that is biased toward the plug by a spring, a back pressure chamber in which the spring is arranged, A pressure regulator characterized by being provided with a diaphragm that changes the set load of a valve seat onto a plug by changing the length of a spring in accordance with the pressure applied to a back pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5071988U JPH01154374U (en) | 1988-04-15 | 1988-04-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5071988U JPH01154374U (en) | 1988-04-15 | 1988-04-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01154374U true JPH01154374U (en) | 1989-10-24 |
Family
ID=31276756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5071988U Pending JPH01154374U (en) | 1988-04-15 | 1988-04-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01154374U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4874619A (en) * | 1972-01-10 | 1973-10-08 | ||
| JPS5344325B2 (en) * | 1975-09-26 | 1978-11-28 |
-
1988
- 1988-04-15 JP JP5071988U patent/JPH01154374U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4874619A (en) * | 1972-01-10 | 1973-10-08 | ||
| JPS5344325B2 (en) * | 1975-09-26 | 1978-11-28 |
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