Expansion device with adjustable refrigerant throttling

Details Expansion device with adjustable refrigerant throttling Expansion device with adjustable refrigerant throttling

1979-11-29

1981-04-28

Capossela, Ronald C.

Refrigeration

Reversible, i.e., heat pump

With flow control or compressor details

62528, 1375133, 138 45, 251121, F25B 1300

Patent

active

042637872

ABSTRACT:
An expansion device having a piston sliding between first and second positions within a valve body. In the first position the piston meters refrigerant flow therethrough and in the second position the piston allows refrigerant to flow unrestricted through the device. Means are disclosed for adjusting the throttling of the refrigerant through the device when it is acting as an expansion device.

REFERENCES:
patent: 3482415 (1969-12-01), Trask
patent: 3642030 (1972-02-01), Amick
patent: 3877248 (1975-04-01), Honnold, Jr.
patent: 3992898 (1976-11-01), Duell et al.
patent: 4114397 (1978-09-01), Takahashi et al.

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