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:
Feb. 16, 1993
Filed:
Apr. 29, 1992
Yoshinobu Tsuchiya, Fujisawa, JP;
Isuzu Motors Limited, Tokyo, JP;
Abstract
An ice melting system for a motor vehicle supplies a heater incorporated in a windshield with electric energy which is generated by a generator that is drivable by an engine on the motor vehicle. A voltage which is obtained by dividing an output voltage from the generator is applied as a control input voltage to a voltage regulator which controls the output voltage of the generator. When the voltage regulator is supplied with a control input voltage which is lower than when a battery on the motor vehicle is charged, the voltage regulator increases a current supplied to a field coil of the generator, thus enabling the generator to increase the output voltage thereof. Therefore, the heater is supplied with a larger amount of electric energy to melt ice on the windshield efficiently.