The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 1981
Filed:
Nov. 06, 1979
Applicant:
Inventors:
Shoichiro Irimajiri, Kawagoe, JP;
Takeo Fukui, Tokyo, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F / ; F02B / ; F02P / ;
U.S. Cl.
CPC ...
1231 / ; 123432 ; 123636 ; 92177 ;
Abstract
A four cylinder four cycle spark ignition engine has oblong pistons each mounted to reciprocate in sliding contact with an oblong cylinder. Intake valves in a series are positioned in a straight line on one side of and parallel to a central plane extending through the longest dimension of each oblong cylinder. Exhaust valves in a series are positioned in a straight line on the other side of and parallel to that central plane. A cam shaft operates all of the intake valves and another cam shaft operates all of the exhaust valves.