JPS5551948A - Fuel injection valve - Google Patents
Fuel injection valveInfo
- Publication number
- JPS5551948A JPS5551948A JP12460278A JP12460278A JPS5551948A JP S5551948 A JPS5551948 A JP S5551948A JP 12460278 A JP12460278 A JP 12460278A JP 12460278 A JP12460278 A JP 12460278A JP S5551948 A JPS5551948 A JP S5551948A
- Authority
- JP
- Japan
- Prior art keywords
- spring
- valve
- push bar
- needle valve
- fuel injection
- 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
Abstract
PURPOSE: To prevent the biassed wearing of needle valve by turning needle valve by the force of spring during the vertical movement by pressing push bar on the needle valve of a fuel injection valve by spring.
CONSTITUTION: A fuel injection valve is formed by coupling the nozzle body 1 and the valve body 3 with the cap nut 2. The oil chamber 8, leading to the high- pressure fuel oil path 7 and also to the nozzle 1b at the top and having the valve seat 1a with the needle seat 4 inside, is formed in the inside of the nozzle body 1. Also, the convexity 5a of the push bar 5 is fitted into the concavity 4e formed at the upper end of the push bar 5 and also the spring 6 is arranged on the upper part of the push bar 5. Thus, when the needle valve 4 is moved upwards by oil pressure, the spring 6 is compressed but at the same time the compression force brings about a revolving force in the spring 6, turning the needle valve 4.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12460278A JPS5551948A (en) | 1978-10-12 | 1978-10-12 | Fuel injection valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12460278A JPS5551948A (en) | 1978-10-12 | 1978-10-12 | Fuel injection valve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5551948A true JPS5551948A (en) | 1980-04-16 |
Family
ID=14889495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12460278A Pending JPS5551948A (en) | 1978-10-12 | 1978-10-12 | Fuel injection valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5551948A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4982901A (en) * | 1986-07-19 | 1991-01-08 | Robert Bosch Gmbh | Injection valve |
-
1978
- 1978-10-12 JP JP12460278A patent/JPS5551948A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4982901A (en) * | 1986-07-19 | 1991-01-08 | Robert Bosch Gmbh | Injection valve |
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