Relief valve

Details Relief valve Relief valve

1993-08-13

1994-11-15

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137859, F16K 1514

Patent

active

053638786

ABSTRACT:
This invention concerns a relief valve for use in a swimming pool cleaner hose and has a body with an outlet for connection into the nose. A tubular inlet to the body carries a spider supporting a clamping flange which secures the outer periphery of a resilient annular diaphragm to the end of the body. The diaphragm has its inner periphery in frictional engagement with the inlet. The inlet may be mounted for axial movement against a resilient bias to engage the diaphragm only while a predetermined minimum flow passes through the valve.

REFERENCES:
patent: 208379 (1878-09-01), Downey
patent: 2174743 (1939-10-01), Groeniger
patent: 2347988 (1944-05-01), Burke
patent: 2600731 (1952-06-01), Carlton et al.
patent: 2606032 (1952-08-01), Warren
patent: 2631049 (1953-03-01), McGillis et al.
patent: 2962314 (1960-11-01), Rickard
patent: 4726390 (1988-02-01), Franklin
patent: 5033504 (1991-07-01), Kallenbach

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