Title:
INTAKE AND EXHAUST STRUCTURE FOR 4-CYCLE ENGINE
Document Type and Number:
Japanese Patent JPS62189307
Kind Code:
A
Abstract:
PURPOSE:To form a valve mechanism which can be suited for high speed revolution, and have the fewer number of parts, and moreover lower the total height of an engine by making a intake and an exhaust valve of rotary valves having a through hole in their cylindrical body respectively. CONSTITUTION:A cylinder head 1 on the upper side of a piston 13 is provided with rotary valves 7, 8 having a through hole 11 or 12 in their cylindrical body respectively. Each of the rotary valve 7, 8 is rotated as it is interlocked with a crankshaft 15. The intake valve 7 executes intake action when the through hole 11 has made an intake passage 9 communicates with a combustion chamber 2, and the exhaust valve 8 executes exhaust action when the through hole 12 has made the combustion chamber 2 communicate with an exhaust passage 10.
Inventors:
ONISHI YUICHI
Application Number:
JP3163286A
Publication Date:
August 19, 1987
Filing Date:
February 14, 1986
Export Citation:
Assignee:
ONISHI YUICHI
International Classes:
F01L7/02; F02B75/02; (IPC1-7): F01L7/02
Domestic Patent References:
| JPS5710721A | 1982-01-20 |
Attorney, Agent or Firm:
Bunji Kamata