Foot operated water valve apparatus

Details Foot operated water valve apparatus Foot operated water valve apparatus

1992-05-07

1993-03-09

Rivell, John

Valves and valve actuation

Pedal actuator

251 57, 251 63, F16K 31122, F16K 3162

Patent

active

051920506

ABSTRACT:
The foot operated water valve apparatus is adapted for providing control of the flow of water through a water pipe without the necessity for using one's hands to shut off or start water flow. The apparatus comprises a valve in a housing attached to a water pipe fitting. A seal is provided to minimize water leakage of the unit. A fixed center rod is surrounded by a moving outer wall piston which is driven by water pressure differential. A series of small water exhaust holes are positioned at the based of the apparatus. Also, provided are a series of apertures from the piston interior to the flexible tube to the foot valve in order to provide pressurization to the foot pump and the extra pressure necessary to open the valve. The foot pump contains a fluid reservoir that allows for a pressure surge when the pump is stepped upon. This action causes the moving outer wall piston to move upward causing fluid to flow through the main pipe.

REFERENCES:
patent: 2997851 (1961-08-01), Toubert et al.
patent: 3536294 (1970-10-01), Rodriguez
patent: 3648968 (1972-03-01), Reid et al.
patent: 3789866 (1974-02-01), Combes
patent: 4052035 (1977-10-01), Kenny et al.
patent: 5029806 (1991-07-01), Huo-Lien et al.

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