Water control valve

Details Water control valve Water control valve

1989-05-19

1990-05-01

Cohan, Alan

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 31, 13762411, F16K 31122

Patent

active

049212095

ABSTRACT:
The length of time a bather can use a shower is controlled by a pair of timers and a solenoid operated valve. A first timer controls the length of time water flows through the shower by energizing and de-energizing solenoids. Another timer prevents the solenoids from being energized for a predetermined time period after the first timer has turned the water off. This prevents the shower from being turned on again until the time period has elasped.

REFERENCES:
patent: 2708452 (1955-05-01), Tappan
patent: 3385166 (1968-05-01), Kroffke
patent: 4230155 (1980-10-01), Frye
patent: 4298181 (1981-11-01), Corrado
patent: 4412671 (1983-11-01), Tiefenthaler
patent: 4712767 (1987-12-01), Losser

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