Control apparatus for a two-speed heat pump

Details Control apparatus for a two-speed heat pump Control apparatus for a two-speed heat pump

1978-08-02

1980-10-21

Davis, Albert W.

Heat exchange

Regenerator

Checker brick structure

165 28, 165 29, 62160, 62228, 236 91D, F25B 1300

Patent

active

042288460

ABSTRACT:
Apparatus and a method for controlling the operation of a multiple speed heat pump air conditioning system. Circuitry is provided to regulate the heat pump compressor motor for multiple speed compressor operation in both the cooling and heating modes of operation. Additional electric resistance heaters are controlled by the circuitry to supply heating needs unsatisfied by heat pump operation.

REFERENCES:
patent: 2718119 (1955-09-01), Prince
patent: 3318372 (1967-05-01), Shell
patent: 3324672 (1967-06-01), Sones et al.
patent: 3556203 (1971-01-01), Kyle
patent: 3978382 (1976-08-01), Pfarrer et al.
patent: 4041452 (1977-08-01), Pfarrer et al.
patent: 4105064 (1978-08-01), Del Toro et al.

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