Fluid handling – With means for separating solid material from the fluid – Planar strainer normal to flow path
Patent
1980-09-17
1983-01-04
Chambers, A. Michael
Fluid handling
With means for separating solid material from the fluid
Planar strainer normal to flow path
251339, 251342, 128768, F16K 3100
Patent
active
043668364
ABSTRACT:
A valved vent for a liquid drainage system comprising, a receptacle having a chamber to receive liquid, and a filter pervious to air and substantially impervious to the passage of bacteria, with the filter communicating with the atmosphere. The vent has a valve communicating between an upper portion of the chamber and the filter. The valve may be selectively opened to permit passage of air between the atmosphere and the chamber through the filter, and may be selectively closed to prevent passage of liquid from the chamber against the filter.
REFERENCES:
patent: 2106671 (1938-01-01), Watson
patent: 3530928 (1970-09-01), Swinney
patent: 3683894 (1972-08-01), Villari
patent: 3831453 (1974-08-01), McWhorter
patent: 3918483 (1975-11-01), Van Leeuwer
patent: 4116227 (1978-09-01), Eisenberg et al.
patent: 4126558 (1978-11-01), Luceyk
Chambers A. Michael
Sprunger Powell L.
The Kendall Company
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