JPS5459517A - Valve lift mechanism for internal combusion engine - Google Patents
Valve lift mechanism for internal combusion engineInfo
- Publication number
- JPS5459517A JPS5459517A JP12624777A JP12624777A JPS5459517A JP S5459517 A JPS5459517 A JP S5459517A JP 12624777 A JP12624777 A JP 12624777A JP 12624777 A JP12624777 A JP 12624777A JP S5459517 A JPS5459517 A JP S5459517A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- rocker arm
- intake
- exhaust valves
- 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
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
PURPOSE: To make the opening and closing timings of intake and exhaust valves variable by forming a rocker arm, which is operative to open and close the intake and exhaust valves, with such a cylinder at one end portion thereof as has a slidable piston so that an oil pressure may be acted upon the inside of the cylinder.
CONSTITUTION: A rocker arm 4, which is formed with such a rocker shaft as is made coactive with a not-shown cam shaft driven by an engine, opens and closes at its one end two not-shown intake and exhaust valves through a chip 5. The rocker arm 4 has its other end formed with a cylinder portion 6, and a cam 11 is brought into contact with a piston 10 which is made slidable within the cylinder portion 6. An oil pressure is acted upon the inside of the cylinder 6 through an oil port 8, and the piston 10 is moved up and down in accordance with the r.p.m. so that the period of the rocker arm 4 may be varied. There is mounted in the cylinder 6 a small piston 9 which can be vented to the atmosphere and which is opened and closed, if desired so, so that the arm 4 may be prevented from fluctuations
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12624777A JPS5459517A (en) | 1977-10-19 | 1977-10-19 | Valve lift mechanism for internal combusion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12624777A JPS5459517A (en) | 1977-10-19 | 1977-10-19 | Valve lift mechanism for internal combusion engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5459517A true JPS5459517A (en) | 1979-05-14 |
Family
ID=14930432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12624777A Pending JPS5459517A (en) | 1977-10-19 | 1977-10-19 | Valve lift mechanism for internal combusion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5459517A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0628205U (en) * | 1992-09-12 | 1994-04-15 | 愛知機械工業株式会社 | Valve lift mechanism |
-
1977
- 1977-10-19 JP JP12624777A patent/JPS5459517A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0628205U (en) * | 1992-09-12 | 1994-04-15 | 愛知機械工業株式会社 | Valve lift mechanism |
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