Two-way filter-drier for heat pump systems

Details Two-way filter-drier for heat pump systems Two-way filter-drier for heat pump systems

1978-05-03

1979-12-04

Hart, Charles N.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210266, 210DIG6, B01D 1500

Patent

active

041771451

ABSTRACT:
A filter-drier that provides two-way or bi-directional flow for a heat pump or other refrigeration system is described. This filter-drier contains a spring-loaded check valve at each end of an adsorption space containing an adsorbent such as activated alumina, molecular sieve silica gel or combination thereof. Each check valve is surrounded by a filter pad and a flexible diaphragm. Reverse-discharge and separate-discharge embodiments are particularly described.

REFERENCES:
patent: 1539910 (1925-06-01), Parish
patent: 2896663 (1959-07-01), Mena
patent: 3178022 (1965-04-01), Balogh
patent: 3265213 (1966-08-01), Decker et al.
patent: 3815752 (1974-06-01), Hoffman et al.
patent: 4029580 (1977-06-01), Lange
patent: 4104044 (1978-08-01), Lange

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