Automotive air conditioning apparatus

Details Automotive air conditioning apparatus Automotive air conditioning apparatus

1992-06-17

1993-04-06

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

62230, 623233, 62243, F25B 2700, B60H 132

Patent

active

051992744

ABSTRACT:
A rapid voltage drop due to generator output saturation is prevented by providing a generator output saturation detection means that extracts a generator output saturation detection signal from the collector terminal of the field transistor controlling the excitation current of the automotive generator and measures the duty ratio of the field transistor in the control device to detect saturation of the generator output, and a compressor control means for reducing the speed of the electrical compressor when saturation is detected.

REFERENCES:
patent: 4735058 (1988-04-01), Umezu et al.
patent: 4736595 (1988-04-01), Kato
patent: 4870833 (1989-10-01), Matsuda et al.
patent: 5107685 (1992-04-01), Kobayashi

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