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:
May. 22, 2001
Filed:
Aug. 20, 1999
Applicant:
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/34 ;
U.S. Cl.
CPC ...
F01L 1/34 ;
Abstract
In a disclosed four-cycle internal combustion engine and a method of controlling valve timing according to the present invention, a load put on the four-cycle internal combustion engine is detected, and a judgment is made as to whether or not the load of the four-cycle internal combustion engine is low, and when the judgment is made that the load of the four-cycle internal combustion engine is low, valve timing of an exhaust valve of the four-cycle internal combustion engine is set so that valve closing time of the exhaust valve advances before a top dead center of a piston of the four-cycle internal combustion engine.