Flushing apparatus

Details Flushing apparatus Flushing apparatus

1982-06-23

1984-07-10

Truluck, Dalton L.

Valves and valve actuation

With restrictor in parallel to main valve

251 6, 604250, F16K 706, A61M 500

Patent

active

044588771

ABSTRACT:
A flushing apparatus comprising, a housing having an inlet, an outlet, a passageway communicating between the inlet and outlet, with the passageway including an insert defining a relatively small bore. The housing has a relatively large bypass channel communicating between the inlet and outlet separately from the passageway, with at least a portion of the channel being defined by a tubular section having flexible walls defining a lumen. The apparatus has a valve member movable between a first closed position with the valve member bearing upon the tubular section such that it blocks the lumen with fluid passing at a relatively slow rate between said inlet and outlet through the bore, and a second open position with the lumen being substantially open such that the fluid passes between said inlet and outlet through the channel at a relatively fast rate.

REFERENCES:
patent: 3675891 (1972-07-01), Reynolds et al.
patent: 4187847 (1980-02-01), Loeser
patent: 4245636 (1981-01-01), Sparks et al.
patent: 4335866 (1982-06-01), Bujan
patent: 4373524 (1983-02-01), Leibinsohn

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