Pressure relief filter and valve and cryopump utilizing the same

Details Pressure relief filter and valve and cryopump utilizing the same Pressure relief filter and valve and cryopump utilizing the same

1985-01-22

1987-10-06

Chambers, A. Michael

Fluid handling

With means for separating solid material from the fluid

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

137541, 137542, 210131, 2105101, B01D 800, B01D 3908

Patent

active

046976175

ABSTRACT:
A pressure relief valve in a cryopump is preceded by a filter element in a filter housing. The filter element is springloaded so that the filter element itself provides pressure relief with clogging of the filter. The housing may have a removable end cap. The filter is spring biased by a spring between the housing end cap and a filter end cap.

REFERENCES:
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patent: 2072271 (1937-03-01), Meadows
patent: 2088226 (1937-07-01), Arvintz
patent: 2532568 (1950-12-01), Myers
patent: 3131718 (1964-05-01), Mingrove
patent: 3847819 (1974-11-01), Firth
patent: 4081171 (1978-03-01), Morgan et al.
patent: 4256470 (1981-03-01), Zajicek et al.
patent: 4360037 (1982-11-01), Kendall
patent: 4454722 (1984-06-01), Bartlett et al.
patent: 4459208 (1984-07-01), Lemon
patent: 4478617 (1984-10-01), Rees

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