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. 26, 2005
Filed:
Dec. 09, 2003
Applicants:
Kenichi Machida, Atsugi, JP;
Makoto Nakamura, Atsugi, JP;
Hirokazu Shimizu, Atsugi, JP;
Isamu Iizuka, Atsugi, JP;
Inventors:
Kenichi Machida, Atsugi, JP;
Makoto Nakamura, Atsugi, JP;
Hirokazu Shimizu, Atsugi, JP;
Isamu Iizuka, Atsugi, JP;
Assignee:
Hitachi, Ltd., Tokyo-to, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L001/34 ;
U.S. Cl.
CPC ...
Abstract
In an internal combustion engine provided with a variable valve mechanism that varies a lift amount of an intake valve, when a target lift amount of the intake valve is a predetermined value or less, the target lift amount of the intake valve is limited to the predetermined value or above when the combustion variation reaches an allowable value or above.