Flush valve

Details Flush valve Flush valve

1978-08-09

1981-01-20

Rosenthal, Arnold

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 45, 251 34, F16K 31385, F16K 2116

Patent

active

042458137

ABSTRACT:
A flush valve including a housing, a removable partition sealingly engaging said housing and defining a primary chamber and a control chamber; the housing including an inlet port in the primary chamber for connection with a source of flushing fluid, and an outlet port in the primary chamber for dispensing the fluid; a valve element connected with the partition for closing the outlet port; first biasing means for producing a force on the partition to urge the valve element to close the outlet port; a passage interconnecting the primary control chambers for enabling equalization of pressure therebetween; an actuator mechanism including an actuator valve connected with the control chamber and an actuator member for setting the actuator valve to the open position to vent the control chamber and enable the valve element to move away from the outlet port and open the flush valve; and an actuator control mechanism driven by the partition as the valve element moves away from the outlet port, for driving the actuator mechanism to reset the actuator valve to the closed position and cease venting the control chamber.

REFERENCES:
patent: 1004650 (1911-10-01), Hilton
patent: 2298233 (1942-10-01), Ricard
patent: 3010691 (1961-11-01), Canfield
patent: 3674234 (1972-07-01), Heyer et al.

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