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. 11, 1995
Filed:
Mar. 01, 1993
Applicant:
Inventors:
Toshiharu Nogi, Katsuta, JP;
Minoru Ohsuga, Katsuta, JP;
Jun'ichi Yamaguchi, Hitachi, JP;
Yoshiyuki Tanabe, Katsuta, JP;
Keigo Naoi, Katsuta, JP;
Masayuki Shizuka, Katsuta, JP;
Kazuo Tahara, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
60274 ; 60284 ; 60286 ; 60289 ; 60300 ; 12317918 ; 123531 ;
Abstract
The present invention relates to a control circuit for use in an internal combustion engine having a cranking device and an air pump driven by a starter motor. The control circuit comprises a first circuit for supplying a power to the starter motor and the cranking device, a second circuit for terminating power supply for the cranking device with maintaining power supply for the starter motor, and a control unit for selectively switching between the first and second circuits.