Heat pump frost control system

Details Heat pump frost control system Heat pump frost control system

1976-05-06

1977-05-24

King, Lloyd L.

Refrigeration

Processes

Defrosting or frost inhibiting

62156, 62160, 62324, F25B 4100, F25D 2106, F25B 1300

Patent

active

040247228

ABSTRACT:
The present invention relates to a self-contained air conditioning unit including a reversible refrigeration system and more particularly to a control system having a plurality of sensing means that are effective in maintaining operation of the unit in a heat pump mode when the ambient and the surface temperature of selected refrigeration components are above a preselected frosting temperature.

REFERENCES:
patent: 3126712 (1964-03-01), Gebert
patent: 3131549 (1964-05-01), Rhea
patent: 3132490 (1964-05-01), Schmidt
patent: 3159981 (1964-12-01), Huskey
patent: 3348607 (1967-10-01), Cootey
patent: 3447335 (1969-06-01), Ruff et al.
patent: 3466888 (1969-09-01), Kyle
patent: 3474639 (1969-10-01), Smith
patent: 3529659 (1970-09-01), Trask
patent: 3638444 (1972-02-01), Lindahl

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