Automatically resetting flush valve

Details Automatically resetting flush valve Automatically resetting flush valve

1978-08-09

1980-11-04

Rosenthal, Arnold

Valves and valve actuation

Fluid actuated or retarded

Compulsory cut-off after flow period

251 32, 251 45, F16K 2104, F16K 31385

Patent

active

042315425

ABSTRACT:
In a flush valve having a housing, a moveable partition sealing engaging the housing, and defining a primary chamber and a control chamber; an inlet port in the primary chamber and an outlet port in the primary chamber; and a valve element connected with the partition for closing the inlet port and the outlet port; the improvement including: an actuator mechanism including an actuator valve connected with the control chamber; an actuator member for setting the actuator valve in 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 automatic release member moveable with the actuator member for setting the actuator valve to the open position and moveable independently of the actuator member to reset the actuator valve in the closed position; and an actuator control mechanism driven by the partition as the valve element moves away from the outlet port for driving the automatic release member to reset the actuator valve to the closed position and cease venting the control chamber.

REFERENCES:
patent: 2298233 (1942-10-01), Ricard
patent: 3674237 (1972-07-01), Heyer et al.

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