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. 16, 1990
Filed:
May. 29, 1987
Teruji Sekozawa, Kawasaki, JP;
Makoto Shioya, Tokyo, JP;
Motohisa Funabashi, Sagamihara, JP;
Mikihiko Onari, Kokubunji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A system for electronically controlling an engine for a vehicle is disclosed which is of the kind electrically controlling the opening of a throttle valve controlling the quantity of intake air supplied to the engine. The electronic engine control includes setting a target acceleration of the vehicle according to an amount of depression of an accelerator pedal by the driver, comparing the target acceleration with an actual acceleration of the vehicle to find an error therebetween, setting a target value of the throttle valve opening on the basis of the acceleration error, and controlling the throttle valve opening until it attains the target value.