Flushing device

Details Flushing device Flushing device

1982-06-23

1984-07-03

Truluck, Dalton L.

Valves and valve actuation

With restrictor in parallel to main valve

137605, 137DIG4, 251339, 604249, F16K 132

Patent

active

044574878

ABSTRACT:
A flushing device comprising, a housing having an inlet, an outlet, a cavity communicating between the inlet and outlet and defining an annular valve seat, and an opening communicating with the cavity, with the valve seat facing away from the opening. The device has an elastic valve element received in the cavity with an annular valve portion sealingly engaged against the seat. The valve element has a stem extending through the opening and the stem sealingly engages against the portion of the housing defining the opening. The valve element has a passageway extending therethrough and communicating between the inlet and the outlet, and the device has a relatively large channel communicating between the inlet and seat and between the seat and outlet. The device has an insert extending across the passageway and having a relatively small bore.

REFERENCES:
patent: 3675891 (1972-07-01), Reynolds et al.
patent: 4200119 (1980-04-01), Cunningham
patent: 4291702 (1981-09-01), Cole

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