Expansion valve with inlet strainer

Details Expansion valve with inlet strainer Expansion valve with inlet strainer

1992-10-19

1993-08-03

Chambers, A. Michael

Fluid handling

With means for separating solid material from the fluid

Hollow strainer, fluid inlet and outlet perpendicular to...

137544, E03B 318

Patent

active

052320154

ABSTRACT:
This inlet strainer (160) is for a thermostatic expansion valve (100) having an inlet fitting (114). The inlet fitting 114 includes an elongate passage (152), with an inlet opening at one end and a strainer-receiving opening at the other end, and a transverse passage (156) communicating with the elongate passage (152) between said ends. The strainer assembly (160) includes a closed outer end (162) threadedly connected to the fitting (114), a strainer tube (164) extending into the elongate passage (152) to a point beyond the transverse passage (156) and a closure ring (166) received in sliding relation within the passage (152) so that dirt is removed from the refrigerant before entering the valve port.

REFERENCES:
patent: 973042 (1910-10-01), Hicks
patent: 3115154 (1963-12-01), Dillon
patent: 4832077 (1989-05-01), Pilolla
Bulletin 10-10, Sporlan Valve Company dated Oct. 1981 Thermostatic Expansion Valves with selective charges, p. 35.

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