Volume flow control device

Details Volume flow control device Volume flow control device

1988-10-19

1989-07-11

Cohan, Alan

Fluid handling

Systems

Programmer or timer

239 68, 239 70, F16K 2106

Patent

active

048462225

ABSTRACT:
A volume flow control device for fitting between a faucet and a water-pipe. This device includes a base having a cylindrical mounting portion, a water inlet and a water outlet. The mounting portion receives an impeller, a throttle valve, a stationary housing with a gear train, and a control ring. Pressing down the control ring allows water to flow through this device sequentially via the inlet, the throttle valve and the outlet. The control ring can be pressed and turned to set volume flow control function. The water flowing through the stationary housing urges an impeller to actuate the gear train. The gear train is essentially engaged with the control ring so that after a certain period of time the control ring is brought back to a configuration not allowing water to flow through the device.

REFERENCES:
patent: 3638682 (1972-02-01), Heyer
patent: 4335852 (1982-06-01), Chow
patent: 4562865 (1986-01-01), Lemkin
patent: 4653534 (1987-03-01), Chung-Shan

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