Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1979-12-03
1981-07-07
Rubinson, Gene Z.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219499, 219203, 219219, 219510, H05B 102
Patent
active
042776724
ABSTRACT:
A control circuit for electrically heatable windshields of automotive vehicles which controls the quantity of heat supplied by the vehicle alternator to the windshield heating element to be adequate for deicing the windshield yet limited to avoid windshield damage and to minimize decoupling time of the alternator from the vehicle battery. The control circuit, which employs an inexpensively installed temperature sensor element that senses ambient temperature, responds to the temperature difference between the ambient and a reference deicing temperature and to the supplied heating power for controlling the duration of the heating period.
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patent: 4188527 (1980-02-01), Follmer
Davis James C.
General Electric Company
Paschall M.
Rubinson Gene Z.
Snyder Marvin
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