Submerged valve

Details Submerged valve Submerged valve

1987-03-26

1988-08-30

Cohan, Alan

Fluid handling

Systems

Programmer or timer

137491, 137907, F16K 31365

Patent

active

047669314

ABSTRACT:
A valve for periodically opening and closing a flow path 11 leading to a suction source for predetermined periods is disclosed. The valve comprises a body 12 defining a first flow passage 13 and a further flow passage 23 therethrough. In body 12 there is mounted a fluid pressure operable closure member 16 for periodically opening and closing flow passage 13. Actuating means driven by water wheel 17 and which includes a variable volume chamber 21, a stopper 19 for an equalization port 20 in chamber 21 and a gear train 18 is adapted periodically to vary the pressure in chamber 21 acting on closure member 16 in response to fluid flow past water wheel 17.

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