Flow control device

Details Flow control device Flow control device

1991-05-16

1992-01-07

Cohan, Alan

Fluid handling

Systems

Programmer or timer

251 15, F16K 2106

Patent

active

050781782

ABSTRACT:
A flow control device including a base, a ball caused to seal an opening of the base by water flow through the water inlet of the base, an impeller rotatably received in the base and can be propelled by water flow through the base, a plunger having a lower end contacting the ball, a gear frictionally engaged on an axle of a wheel and coupled to the impeller by a gearing so that the wheel can be caused to rotate by the impeller, the plunger can be caused to move up and down when the wheel rotates so that the ball can be caused to seal the opening of the base again.

REFERENCES:
patent: 4335852 (1982-06-01), Chow
patent: 4562865 (1986-01-01), Lemkin
patent: 4846222 (1989-07-01), Jang

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