JPS5484122A - Valve driver for internal combustion engine - Google Patents
Valve driver for internal combustion engineInfo
- Publication number
- JPS5484122A JPS5484122A JP15271477A JP15271477A JPS5484122A JP S5484122 A JPS5484122 A JP S5484122A JP 15271477 A JP15271477 A JP 15271477A JP 15271477 A JP15271477 A JP 15271477A JP S5484122 A JPS5484122 A JP S5484122A
- Authority
- JP
- Japan
- Prior art keywords
- oil pressure
- chamber
- cam shaft
- volume
- sprocket
- 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
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
PURPOSE: To simplify the structure, by providing between a sprocket and a cam shaft an oil pessure chamber whose volume is increased or decreased by the relative rotation between the sprocket and the cam shaft and controlling the oil pressure in the oil pressure chamber to adjust the valve timing.
CONSTITUTION: When the oil pressure in the oil pressure chamber 7 is low, the volume of the chamber 7 is decreased due to the rotary resistance of the cam shaft 1 and the top 9a of a partition wall 9 comes into contact with one end surface of the oil pressure chamber 7. When the oil pressure in the chamber 7 rises, the volume of the chamber is increased against the rotary resistance of the cam shaft 1. Therefore, the sprocket 4 rotates in the direction of rotation of the cam shaft 1 by a quantity corresponding to the increase in the volume of the oil pressure chamber 7. Thus, the valve timing is advanced. Thereby, an intake/exhaust valve is closed earlier, and the exhaust gas flows back to the intake system. As a result, a predetermined quantity of internal recycle is obtained.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15271477A JPS5484122A (en) | 1977-12-19 | 1977-12-19 | Valve driver for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15271477A JPS5484122A (en) | 1977-12-19 | 1977-12-19 | Valve driver for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5484122A true JPS5484122A (en) | 1979-07-04 |
JPS618249B2 JPS618249B2 (en) | 1986-03-13 |
Family
ID=15546540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15271477A Granted JPS5484122A (en) | 1977-12-19 | 1977-12-19 | Valve driver for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5484122A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57198306U (en) * | 1981-06-11 | 1982-12-16 | ||
JPS60122505U (en) * | 1984-01-27 | 1985-08-19 | スズキ株式会社 | 4-stroke engine intake timing advance device |
-
1977
- 1977-12-19 JP JP15271477A patent/JPS5484122A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57198306U (en) * | 1981-06-11 | 1982-12-16 | ||
JPS60122505U (en) * | 1984-01-27 | 1985-08-19 | スズキ株式会社 | 4-stroke engine intake timing advance device |
Also Published As
Publication number | Publication date |
---|---|
JPS618249B2 (en) | 1986-03-13 |
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