DC voltage bleeder for a variable speed air conditioner

Details DC voltage bleeder for a variable speed air conditioner DC voltage bleeder for a variable speed air conditioner

1989-07-28

1990-04-03

Tanner, Harry B.

Refrigeration

Automatic control

Refrigeration producer

62472, 62230, 62 84, 361 22, F25B 3100

Patent

active

049129384

ABSTRACT:
In a variable speed air conditioning system driven by an electronically commutated DC motor, the large DC capacitor associated with the compressor motor drive discharges to the normally AC powered compressor oil sump heater upon the loss of AC power to the system.

REFERENCES:
patent: 3133429 (1964-05-01), Griffin
patent: 3237848 (1966-03-01), Pihl et al.
patent: 3705499 (1972-12-01), Mount et al.
patent: 4066869 (1978-01-01), Apaloo et al.
patent: 4371829 (1983-02-01), Salowe et al.
patent: 4543797 (1985-10-01), Vogel et al.

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