Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1974-05-02
1976-01-13
Nilson, Robert G.
Fluid handling
Line condition change responsive valves
Direct response valves
1375251, F16K 1514
Patent
active
039318311
ABSTRACT:
An elongated thin walled elastic member arcuately shaped and connected on the inside wall of a pipe section having a portion deformable under fluid pressure permitting fluid flow in one direction only.
REFERENCES:
patent: 201880 (1878-04-01), Johnson
patent: 2247363 (1941-07-01), Dunn
patent: 3822720 (1974-07-01), Souza
Cypher James R.
Nilson Robert G.
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