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:
Oct. 28, 2008
Filed:
Dec. 07, 2005
Applicants:
Naohide Fuwa, Toyota, JP;
Hisayo Yoshikawa, Nagoya, JP;
Inventors:
Naohide Fuwa, Toyota, JP;
Hisayo Yoshikawa, Nagoya, JP;
Assignees:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Denso Corporation, Kariya-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lift time area is calculated based on an actual valve working angle of an intake valve and an engine rotational speed. Then, a control gain of a feedback control is set based on the lift time area.