Refrigerant flow control device

Details Refrigerant flow control device Refrigerant flow control device

1992-01-21

1993-05-11

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

137433, 62190, F16K 3118, F25B 4104

Patent

active

052090809

ABSTRACT:
A cylindrical standpipe extends upwardly from the bottom of a liquid refrigerant sump, and vertical slots are formed in the sides thereof near the bottom end. On the inner sides of the standpipe, a sleeve is slideably disposed to uncover the slots as the sleeve is vertically raised. On the outer side of the standpipe a toroidal shaped float device, which is secured to the sleeve by a tube extending through upper side slots in the standpipe, is vertically moveable in response to the level of liquid refrigerant in the sump to thereby regulate the sleeve vertical position and therefore the flow of refrigerant from the sump.

REFERENCES:
patent: 916398 (1909-03-01), Edlund
patent: 972738 (1910-10-01), Townsend
patent: 2756766 (1956-07-01), Tronic
patent: 3399544 (1968-09-01), Osborne

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