JPS62180665U - - Google Patents
Info
- Publication number
- JPS62180665U JPS62180665U JP6884086U JP6884086U JPS62180665U JP S62180665 U JPS62180665 U JP S62180665U JP 6884086 U JP6884086 U JP 6884086U JP 6884086 U JP6884086 U JP 6884086U JP S62180665 U JPS62180665 U JP S62180665U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- chamber
- spring
- valve member
- diaphragm
- 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 15
- 238000007599 discharging Methods 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fluid-Driven Valves (AREA)
- Temperature-Responsive Valves (AREA)
Description
第１図は本考案の実施例をあらわす断面図、第
２図は本考案の実施例の要部をあらわす断面図、
第３図は第２図に示す弁部材を矢印Ａ方向からみ
た側面図、第４図は第２図に示す実施例における
燃料圧力特性をあらわすグラフ、第５図は本考案
の他の実施例の要部をあらわす第２図に対応する
断面図、第６図は圧力制御弁を用いた燃料供給系
統をあらわす回路図である。
５……圧力制御弁、６……ハウジング、７……
ダイアフラム、８……燃料室、９……負圧室、１
０……スプリング、１１……弁部材、１１ａ……
凸部、１３……受け皿、２０……燃料供給口、２
３……燃料排出口、２５……ボール、２７……弁
体。
Fig. 1 is a sectional view showing an embodiment of the present invention, Fig. 2 is a sectional view showing main parts of an embodiment of the invention,
Fig. 3 is a side view of the valve member shown in Fig. 2 as seen from the direction of arrow A, Fig. 4 is a graph showing fuel pressure characteristics in the embodiment shown in Fig. 2, and Fig. 5 is another embodiment of the present invention. FIG. 6 is a circuit diagram showing a fuel supply system using a pressure control valve. 5...Pressure control valve, 6...Housing, 7...
Diaphragm, 8...Fuel chamber, 9...Negative pressure chamber, 1
0... Spring, 11... Valve member, 11a...
Convex portion, 13... saucer, 20... fuel supply port, 2
3... Fuel discharge port, 25... Ball, 27... Valve body.
Claims (1)
イアフラムを設け、燃料室に燃料供給口から取入
れた燃料を燃料排出口から排出する弁部材を前記
ダイアフラムに取付け、負圧室には前記弁部材を
閉弁する方向にダイアフラムを付勢するスプリン
グを装着し、前記燃料室の燃圧がスプリングの設
定圧よりも増大したとき弁部材を開いて燃料室の
燃料を燃料排出口から排出するようにした圧力制
御弁において、前記スプリングを形状記憶合金か
ら構成し、このスプリングを前記弁部材に当接し
たことを特徴とする圧力制御弁。 A diaphragm is provided that defines the inside of the housing into a fuel chamber and a negative pressure chamber, a valve member is attached to the diaphragm for discharging fuel taken into the fuel chamber from a fuel supply port from a fuel discharge port, and the valve member is attached to the negative pressure chamber. A spring is installed to bias the diaphragm in the direction of closing the valve, and when the fuel pressure in the fuel chamber increases above the set pressure of the spring, the valve member is opened and the fuel in the fuel chamber is discharged from the fuel discharge port. A pressure control valve, characterized in that the spring is made of a shape memory alloy, and the spring is brought into contact with the valve member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6884086U JPS62180665U (en) | 1986-05-09 | 1986-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6884086U JPS62180665U (en) | 1986-05-09 | 1986-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62180665U true JPS62180665U (en) | 1987-11-16 |
Family
ID=30909025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6884086U Pending JPS62180665U (en) | 1986-05-09 | 1986-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62180665U (en) |
-
1986
- 1986-05-09 JP JP6884086U patent/JPS62180665U/ja active Pending
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