Four way reversing valve

Details Four way reversing valve Four way reversing valve

1979-05-21

1981-03-17

King, Lloyd L.

Refrigeration

Reversible, i.e., heat pump

With product treatment

13762529, 62160, F25B 1300

Patent

active

042559391

ABSTRACT:
A four way reversing valve utilized in the refrigerant flow system of a heat pump or the like for selectively directing the flow of high pressure refrigerant either to the inside or outside heat exchange coil of the heat pump thereby to selectively either effect heating or cooling of the space in which the inside coil is located. The valve has an improved slide valve design which significantly lessens flow losses through the valve.

REFERENCES:
patent: 2974682 (1961-03-01), Trask
patent: 2976701 (1961-03-01), Greenawalt
patent: 3056574 (1962-10-01), Greenawalt
patent: 3303665 (1967-02-01), Ray
patent: 3400736 (1968-09-01), Bastle et al.
patent: 3448959 (1969-06-01), McHale et al.
patent: 3894561 (1975-07-01), Thornberg
patent: 4112974 (1978-09-01), Davis

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