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:
Apr. 29, 2008
Filed:
Apr. 28, 2004
Takashi Tsunooka, Susono, JP;
Keizo Hiraku, Aichi, JP;
Yukihiro Nakasaka, Susono, JP;
Akira Hashizume, Yokohama, JP;
Hiroshi Kanai, Susono, JP;
Naohide Fuwa, Toyota, JP;
Tomoyuki Kaga, Susono, JP;
Takashi Tsunooka, Susono, JP;
Keizo Hiraku, Aichi, JP;
Yukihiro Nakasaka, Susono, JP;
Akira Hashizume, Yokohama, JP;
Hiroshi Kanai, Susono, JP;
Naohide Fuwa, Toyota, JP;
Tomoyuki Kaga, Susono, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A control device of a multicylinder internal combustion engine provided with a valve operating characteristic control means for controlling a valve operating characteristic of at least one of an intake valve and exhaust valve, which estimates an intake difference of cylinders and limits a control range of said valve operating characteristic in accordance with said estimated intake difference.