Liquid purification or separation – Filter – Movable prefilt distributor
Patent
1996-01-25
1996-12-17
Walker, W. L.
Liquid purification or separation
Filter
Movable prefilt distributor
210418, 210435, 210456, B01D 2708
Patent
active
055849989
ABSTRACT:
A diffuser, which is adapted for use in a filter, includes a pair of tiers. Once of the tiers is supported on and is laterally movable relative to the other tier in response to contact by a closure dome as the dome is applied to an access opening formed in a housing of the filter, whereby the diffuser automatically and properly adjusts itself in relation to the access opening during its assembly in the housing.
REFERENCES:
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patent: 3493116 (1970-02-01), Edmiston
patent: 3625365 (1971-12-01), Armstrong et al.
patent: 3717081 (1973-02-01), Jakimas
patent: 3747768 (1973-07-01), Barrera
patent: 4169793 (1979-10-01), Lockshaw
patent: 5067559 (1991-11-01), Perkinson
patent: 5068033 (1991-11-01), Tobias et al.
patent: 5472609 (1995-12-01), Field
Searl Thomas D.
Teter Edward C.
H-Tech, Inc.
Walker W. L.
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