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. 04, 1997
Filed:
Feb. 24, 1994
Applicant:
Inventors:
Sakae Hikita, Katsuta, JP;
Yuuji Maeda, Hitachioota, JP;
Masakatsu Fujishita, Mito, JP;
Masahiro Sato, Katsuta, JP;
Seiichi Kawasaki, Tokai, JP;
Takayuki Ebisawa, Mito, JP;
Assignee:
Hitachi, Ltd., , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
322 28 ; 322 36 ; 320 64 ; 320 30 ;
Abstract
A vehicle alternating-current generator control system comprising a voltage command unit for variably controlling a reference voltage according to the state of an internal combustion engine, and an arithmetic unit for storing the difference between a target generation voltage commanded by the voltage command unit and a battery voltage detected by a voltage detection circuit and adding a voltage corresponding to the voltage difference to a command voltage generated by the voltage command unit.