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:
Mar. 13, 2007
Filed:
Feb. 09, 2006
Applicant:
Hidekazu Yoshizawa, Isesaki, JP;
Inventor:
Hidekazu Yoshizawa, Isesaki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F02D 11/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In an internal combustion engine equipped with a variable valve actuation mechanism, which varies a lift amount of an intake valve, when the lift amount is forcedly controlled at the minimum to learn a detection result of the lift amount at that time, a throttle opening, an ignition timing, and a fuel injection amount are corrected such that an engine torque is not largely decreased in association with a decrease in lift amount.
Quick Actions:
Yoshizawa, Hidekazu. (2007). Apparatus and method for controlling variable valve actuation mechanism (U.S. Patent No. 7188594). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7188594
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile