Automatic mixing faucet

Details Automatic mixing faucet Automatic mixing faucet

1990-01-19

1991-12-24

Wayner, William E.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

25112404, 4623, F16K 3112, F03C 105

Patent

active

050745204

ABSTRACT:
An automatic faucet is disclosed which includes a faucet body having a water discharge end and sensors mounted on the faucet for sensing the presence or absence of an object adjacent the faucet. A water supply valve is located in the faucet body which includes a diaphragm type primary valve to control discharge of water from the faucet. Operation of the prinmary valve is controlled by a motor operated in response to a signal produced by the sensor when an object, e.g., hands, are placed beneath the faucet.

REFERENCES:
patent: 2635691 (1953-04-01), Filliung
patent: 3638680 (1972-02-01), Kopp
patent: 4741363 (1988-05-01), Hu
patent: 4762273 (1988-08-01), Gregory et al.
patent: 4893005 (1990-01-01), Stiebel

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