Duration-indicating automatic faucet

Details Duration-indicating automatic faucet Duration-indicating automatic faucet

1999-01-19

1999-11-09

Lee, Kevin

Fluid handling

Systems

Programmer or timer

25112904, 4623, F16K 5100

Patent

active

059795000

ABSTRACT:
In an automatic-faucet system, the control circuit that operates the system's valve (18) causes an indicator lamp (32) to start blinking when it first opens the valve. It keeps the lamp blinking for a predetermined duration to indicate to the user that a time interval prescribed as necessary for effective hand washing has not yet expired. When the interval does expire, the user is thereby assured that he has complied with the relevant duration regulation.

REFERENCES:
patent: 3576277 (1971-04-01), Blackmon
patent: 3639920 (1972-02-01), Griffin et al.
patent: 4606085 (1986-08-01), Davies
patent: 5202666 (1993-04-01), Knippscheer

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