Retractable handle for air valve heat pump

Details Retractable handle for air valve heat pump Retractable handle for air valve heat pump

1980-05-15

1981-11-03

King, Lloyd L.

Refrigeration

Reversible, i.e., heat pump

External fluid flow reversed

F25B 2900

Patent

active

042978530

ABSTRACT:
The present invention relates to a heat pump that utilizes unidirection refrigerant wherein air directed across the condenser and evaporator is redirected for different operations. While the heat pump is operating in the cooling mode, manually operable dampers are positioned so that outdoor air is circulated through the condenser and indoor air is circulated through the evaporator. Conversely, in the heating mode, the dampers are manually positioned so that outdoor air is circulated through the evaporator; and indoor air is circulated through the condenser for heating the air.

REFERENCES:
patent: 2391151 (1945-12-01), Gibson
patent: 2401560 (1946-06-01), Graham et al.
patent: 2466383 (1949-04-01), Cody
patent: 2729072 (1956-01-01), Dybvig
patent: 2878657 (1959-03-01), Atchison
patent: 2899802 (1959-08-01), McMillan
patent: 2911797 (1959-11-01), Stocking
patent: 2970816 (1961-02-01), McCarty
patent: 2975611 (1961-03-01), Pietsch
patent: 3084522 (1963-04-01), Hames, Jr. et al.
patent: 3143864 (1964-08-01), Schordine
patent: 3995446 (1976-12-01), Eubank

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