Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1998-03-09
1999-11-30
Rivell, John
Fluid handling
Line condition change responsive valves
Direct response valves
15 17, 137518, 13762414, E04H 416, F16K 1514
Patent
active
059924519
ABSTRACT:
An improved valve for a pulsating submergible pool cleaner having a valve body (20) with an integral relief valve (32). The valve is dual acting and utilizes a pair of opposed laminated valve plates (50) with an outward bend (52) on one end and a right angle bend (54) on the other. When negative pressure is applied to the opposed plates, each plate draws together over a fulcrum (26) until the right angle bend touches a restrictive boundary in a cage (28) integral with the body creating the first step in the dual action. When negative pressure continues, the valve plates arcuately bow until the outward bends contiguously abut, closing the valve to fluid flow and creating the final step in the dual action. A garter spring (60) pulls the valves plates into their original parallel position when pressure is relieved.
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Anderson Gordon K.
Rivell John
Schoenfeld Meredith H.
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