Refrigerant flow control device

Details Refrigerant flow control device Refrigerant flow control device

1989-12-26

1991-04-23

Tapolcai, William E.

Refrigeration

Automatic control

Refrigeration producer

137192, 137399, F25B 4104

Patent

active

050090798

ABSTRACT:
A simple flow control device is provided in a condensate drain pipe to prevent the flow of refrigerant vapor therethrough and to regulate the flow of liquid refrigerant as a function of the level of accumulated liquid refrigerant in the drain pipe. The only moving part is a float device that rides up on a cylindrical valve body in response to the level of liquid refrigerant to thereby expose slots in the valve body which allow for the flow of liquid refrigerant to the refrigerant return line to the cooler.

REFERENCES:
patent: 47304 (1865-04-01), Hogg
patent: 130490 (1872-08-01), Dick
patent: 921865 (1909-05-01), Miller et al.
patent: 1766966 (1930-06-01), Walsh
patent: 2299360 (1942-10-01), Tharp
patent: 2613922 (1952-10-01), Gatchet
patent: 3399544 (1968-09-01), Osborne

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