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. 22, 1988
Filed:
Feb. 19, 1986
Applicant:
Inventors:
Shotaro Naito, Katsuta, JP;
Taiji Hasegawa, Nakaminato, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02N / ;
U.S. Cl.
CPC ...
1231 / ; 1231 / ;
Abstract
An internal combustion engine control apparatus in which an operation of a starting motor is detected so as to drive an engine start control device, the starting motor being provided with a permanent magnet as a field magnet, the control device being provided with a starting state detector having a function for distinguishing a voltage associated with an induced voltage owing to inertia-rotation of the starting motor from a voltage associated with application of a supply voltage so as not to detect the starting state of the engine when the starting motor is rotating by inertia.