Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1976-06-29
1978-03-07
Schwadron, Martin P.
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
4374, 251 46, 251 89, F16k 31124
Patent
active
040776026
ABSTRACT:
An actuating valve serves as a pilot to a control valve for a valve controlled flushing system for a tank-type toilet installation which comprises a siphon flush valve, and a control valve that allows supply water to flow into the tank to initiate siphonic action, to supplement flow through the siphon flush valve and to refill the tank, which control valve utilizes a piston which is ordinarily seated in a closed position by supply line pressure. The actuating valve is located in a bypass passage between the supply pressure and a timing pressure chamber of a control valve. The actuating valve comprises a triggering mechanism, a valve housing, an internal passageway through the valve housing for the flow of supply water and the transfer of supply line pressure, valve means positioned in said housing which upon activation of the triggering mechanism interrupts the flow of supply water and the transfer of supply line pressure through the passageway until the pressure on the piston of the control valve is relieved, the timing pressure chamber is emptied, and the control valve is opened to initiate a flushing cycle and means for disengaging the triggering mechanism to prevent premature or improper use from interfering with the completion of the initiated flushing cycle.
REFERENCES:
patent: 1614468 (1927-01-01), Haas
patent: 1643500 (1927-09-01), Jacobson et al.
patent: 2377227 (1945-05-01), Griswold
patent: 2411748 (1946-11-01), Kelley
patent: 2655172 (1953-10-01), Owens
patent: 2691504 (1954-10-01), Jones
Kohler Co.
Kryshak Thad F.
Schwadron Martin P.
Walton G. L.
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