Wear resistant valve

Details Wear resistant valve Wear resistant valve

1977-09-02

1980-02-12

Freeh, William L.

Pumps

Including application of separate fluid to pump valve

13724622, F04B 2100, F04B 3900

Patent

active

041881745

ABSTRACT:
A valve which is resistant to wear caused by particles trapped between the valve seat and the valve member or poppet when the valve closes, including an outlet for directing washing fluid at the valve seat and/or sealing face of the poppet and means for supplying pressured fluid to the outlet at the time when the valve is closing.

REFERENCES:
patent: 620763 (1899-03-01), Fleuss
patent: 1194687 (1916-08-01), Westinghouse
patent: 2067819 (1937-01-01), Bell
patent: 2611576 (1952-09-01), Storment
patent: 2622838 (1952-12-01), Stevenson
patent: 3026894 (1962-03-01), Brooks
patent: 3556679 (1971-01-01), Middlebusher et al.

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