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:
Feb. 03, 2009
Filed:
Dec. 27, 2005
Applicants:
Shinji Nakagawa, Hitachinaka, JP;
Shinya Satou, Hitachinaka, JP;
Mamoru Nemoto, Hitachiohta, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 45/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An engine control system, which is adaptable for individual differences among engines, changes with time, environmental changes, etc., and which can control engine torque with high accuracy and high response. The engine control system comprises a unit for detecting engine torque in at least one of direct and indirect manners, a unit for computing an engine control parameter, and a unit for modifying the engine control parameter based on the detected torque detected by the engine torque detecting unit.