Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1991-02-20
1992-03-03
Rosenthal, Arnold
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
25112903, 25112904, 25112911, 4623, F16K 3140, F16K 3105, E03C 105
Patent
active
050925601
ABSTRACT:
A water tap, comprising a motor-control water supply mechanism controlled by an infrared sensor via a control circuit board to open or stop the water passage therein automatically, and a manual-control water supply mechanism controlled by a revolving knob to open or stop the water passage therein manually during power failure.
REFERENCES:
patent: 4995585 (1991-02-01), Gruber et al.
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