Automatic flush actuation apparatus

Details Automatic flush actuation apparatus Automatic flush actuation apparatus

2005-01-11

2005-01-11

Keasel, Eric (Department: 3754)

Valves and valve actuation

Electrically actuated valve

With nonelectrical actuator

C251S129040, C251S040000, C004S304000

Reexamination Certificate

active

06840496

ABSTRACT:
An automatic flush actuation apparatus, which is incorporated with a flushing system having a water inlet, a water outlet, and a water chamber communicating therebetween, that includes a valve member being moved by a flush lever for releasing the water pressure within the water chamber to allow the water passing from the water inlet to the water outlet, and a sensor-operated powering assembly including a relief valve provided at the valve member for controlling the water flowing to the water outlet and an actuator arranged in such a manner that while sensing a presence of a user of the flushing system, the actuator is driven to move the relief valve to an opened position for releasing the water pressure within the water chamber to allow the water passing to said water outlet.

REFERENCES:
patent: 5125621 (1992-06-01), Parsons et al.
patent: 5169118 (1992-12-01), Whiteside
patent: 5187816 (1993-02-01), Chiou
patent: 5244179 (1993-09-01), Wilson
patent: 5482250 (1996-01-01), Kodaira
patent: 6019343 (2000-02-01), Tsai
patent: 6056261 (2000-05-01), Aparicio et al.
patent: 6161814 (2000-12-01), Jahrling

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