Electrical heater controller for aircraft window heat control

Details Electrical heater controller for aircraft window heat control Electrical heater controller for aircraft window heat control

1980-01-29

1982-11-02

Paschall, M. H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219203, 219490, 219497, 307265, 307271, 323299, 244134D, H05B 102

Patent

active

043575242

ABSTRACT:
A controller system using high frequency switching by providing a bilateral switch gated on and off at a frequency about ten times the source frequency and the duty cycle determined by pulse width modulation of the high frequency waveform in accordance with window heater temperature.

REFERENCES:
patent: 3519917 (1970-07-01), Martin
patent: 3821516 (1974-06-01), Hayes et al.
patent: 3946200 (1976-03-01), Juodikis
patent: 4216371 (1980-08-01), Marotel
patent: 4272671 (1981-06-01), Hukagawa et al.
Technical Report AFFDL-TR-77-1, vol. 1, 9-1977, "Windshield Technology Demonstrate Program", pp. 157-166.

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