Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1994-09-06
1996-04-02
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
137844, F16K 1514
Patent
active
055031862
ABSTRACT:
A one-way fluid valve formed of a parallel plurality of one-way valve cells, each cell comprising three flexible leaflets each bonded to 1/3 of the edge of a hexagonal opening in a frame, their free center edges joining to close upon pressure from one side and separating to open the valve upon pressure from the opposite side of the frame.
REFERENCES:
patent: 2822819 (1958-02-01), Geeraert
patent: 2922437 (1960-01-01), Rippingille
patent: 4222126 (1980-09-01), Boretos
Castle Linval B.
Nilson Robert G.
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