Pulsator device

Details Pulsator device Pulsator device

1992-03-06

1993-04-13

Cohan, Alan

Fluid handling

Systems

Programmer or timer

137403, F16K 5100

Patent

active

052013421

ABSTRACT:
A pulsator device includes a water chamber having a small inlet orifice for inletting pressurized water at a relatively low rate in a continuous manner, and a large outlet orifice. An outlet valve assembly controls the large outlet orifice to open it at a relatively high chamber pressure and to close it at a relatively low chamber pressure. The outlet orifice is one end of a hollow stem passing through a wall of the water chamber. The outlet valve assembly includes an expansible/contractible control chamber and a valve member effective, in the normal expanded condition of the control chamber, to close the one end of the hollow stem, and in the contracted condition of the control chamber to open the one end of the hollow stem, and thereby to output pulses of pressurized water through the hollow stem.

REFERENCES:
patent: 2650615 (1953-09-01), Nesham
patent: 4949747 (1990-08-01), Rosenberg

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