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:
Jul. 10, 2001
Filed:
Dec. 01, 1999
Applicant:
Inventors:
Yuichi Shimasaki, Saitama, JP;
Eitetsu Akiyama, Saitama, JP;
Kenji Abe, Saitama, JP;
Shunichi Tsuzuki, Saitama, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02B 6/906 ;
U.S. Cl.
CPC ...
F02B 6/906 ;
Abstract
A two-cycle action cam having two protruding parts,and,and a four-cycle action cam,having one protruding part,are selectively used by a cam change mechanism,. The two-cycle action cam,effects opening of the inlet and exhaust valves once per revolution of the crankshaft and the four-cycle action cam,effects opening of the inlet and exhaust valves once per two revolutions of the crankshaft. The four-cycle action is selected when the engine is in the low revolving speed and running at a low load and the two-cycle action is otherwise selected.