Filter/drier for reversible heat pump system

Details Filter/drier for reversible heat pump system Filter/drier for reversible heat pump system

1996-10-18

1998-11-10

Sollecito, John M.

Refrigeration

Refrigeration producer

With refrigerant treater

623246, 210136, 210424, F25B 4304

Patent

active

058327410

ABSTRACT:
A bi-directional filter/drier having a flat header welded to a casing with a desiccant canister disposed in the casing. The header has a dedicated low side pressure inlet port formed in the flat which communicates through a pair of oppositely disposed check valves in a cross passage with two separate bi-directional inlet/outlet ports into which low side pressure flow is permitted to by-pass the desiccant to the bi-directional ports. Individual passages, each with a stiffer check valve are provided between the bi-directional ports for permitting high side pressure to flow in either port into the desiccant. A stand pip through the desiccant is connected to an interior port in the header and communicates with a dedicated outlet port in header exterior.

REFERENCES:
patent: 4756166 (1988-07-01), Tomasov
patent: 5038582 (1991-08-01), Takamatsu

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