JPS54140014A - Multistage veriable valve engine - Google Patents
Multistage veriable valve engineInfo
- Publication number
- JPS54140014A JPS54140014A JP4670178A JP4670178A JPS54140014A JP S54140014 A JPS54140014 A JP S54140014A JP 4670178 A JP4670178 A JP 4670178A JP 4670178 A JP4670178 A JP 4670178A JP S54140014 A JPS54140014 A JP S54140014A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- closing
- suction
- exhaust valves
- high speed
- 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 provide the subject engine wherein a plurality of cams having different profiles are fixed to a cam shaft interlocking with a crank shaft of an engine, and cams are switched in the driving condition, whereby the period of time of closing and opening suction and exhaust valves is made variable.
CONSTITUTION: On a cam shaft 41 there are fixedly mounted a low speed cam 43a and a high speed cam 43b with which push rods 45a and 45b are in contact. The rod 45a comes into abutment with a rocker arm 29 through a spring 48, and the rod 45b comes into direct abutment with the arm 29. A solenoid 53 controlled by a computer 55 is connected to the high speed rod 45b, and, at the time of the low speed operation, the rod 45b is pulled to a position indicated by broken line and the opening and closing of the suction and exhaust valves are carried out by the rod 45a. Further, at the time of the high speed operation, the rod 45b is placed on a position indicated by solid line, and the opening and closing of suction and exhaust valves are carried out by the rod 45b.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4670178A JPS60535B2 (en) | 1978-04-21 | 1978-04-21 | variable valve engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4670178A JPS60535B2 (en) | 1978-04-21 | 1978-04-21 | variable valve engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54140014A true JPS54140014A (en) | 1979-10-30 |
JPS60535B2 JPS60535B2 (en) | 1985-01-08 |
Family
ID=12754665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4670178A Expired JPS60535B2 (en) | 1978-04-21 | 1978-04-21 | variable valve engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60535B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57182205U (en) * | 1981-05-15 | 1982-11-18 |
-
1978
- 1978-04-21 JP JP4670178A patent/JPS60535B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57182205U (en) * | 1981-05-15 | 1982-11-18 | ||
JPS6345521Y2 (en) * | 1981-05-15 | 1988-11-25 |
Also Published As
Publication number | Publication date |
---|---|
JPS60535B2 (en) | 1985-01-08 |
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