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:
May. 11, 1993
Filed:
Mar. 20, 1992
Shiro Iwatani, Hyogo, JP;
Yoshiyuki Iwaki, Hyogo, JP;
Mitsubishi Denki K.K., Tokyo, JP;
Abstract
A control device of a vehicle-mounted, self-excited alternator for supplying a field current to its field coil and selectively a charge current to a battery and a power to a high voltage electric load of the vehicle comprises a field current detector for detecting field current flowing through the field coil and a field current limiter which includes a reference device for providing a fixed reference value, a comparator for comparing the field current detected by the field current detector with the fixed reference value and a voltage regulator control device responsive to an output of the comparator to control the voltage regulator to cut-off the field current when the field current detected is larger than the reference value.