Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1994-12-22
1995-12-26
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
F16K 1502
Patent
active
054778808
ABSTRACT:
A "V" shaped check stop is provided formed of spring steel or the like having a substantially greater depth than thickness to minimize frontal area in the direction of flow and further to provide for added resistance strength in the direction of flow and ease of installation in a circumferential groove on assembly.
REFERENCES:
patent: 963626 (1910-05-01), McCarty
patent: 1764186 (1930-06-01), Teesdale
patent: 2401856 (1946-06-01), Brock
patent: 4071045 (1978-01-01), Brandt
patent: 4091839 (1978-05-01), Donner
patent: 4155374 (1979-05-01), Diehl
patent: 4176682 (1979-12-01), Diehl
Carter Raymond D.
Vonalt Kerry G.
Nilson Robert G.
The Aro Corporation
Vliet Walter C.
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