Valve assembly for an oscillating pump

Details Valve assembly for an oscillating pump Valve assembly for an oscillating pump

1987-12-24

1989-04-25

Freeh, William L.

Pumps

Motor driven

Electric or magnetic motor

417550, 417566, F04B 1704, F04B 2104

Patent

active

048243370

ABSTRACT:
A valve assembly (16) for an oscillating pump (10) of the type having a reciprocating armature (12) which carries an impeller (13) includes a rigid valve seat (17) carried by and movable with the impeller (13). The assembly (16) also includes an elastomeric valve (18) which is carried by the valve seat (17) within the impeller (13) and which divides the pump chamber therein into an inlet side (14) and outlet side (15). Reciprocation of the armature (12) first causes the valve (18) to engage the valve seat (17) to discharge fluid from the outlet side (15) of the pump chamber and then causes the valve (18) to disengage the valve seat (17) to permit fluid to pass from the inlet side (14) to the outlet side (15) of the pump chamber.

REFERENCES:
patent: 2291603 (1942-08-01), Barker
patent: 2872871 (1959-02-01), Allen
patent: 2954048 (1960-09-01), Rychlik
patent: 3022796 (1962-02-01), Cummings
patent: 3250219 (1966-05-01), McCarty et al.
patent: 3312237 (1967-04-01), Mon et al.
patent: 3354903 (1967-11-01), Caruso
patent: 3479959 (1969-11-01), Christensen
patent: 3849031 (1974-11-01), Charboneau
patent: 4375941 (1983-03-01), Child
Blueprint Copy, p. A.
Blueprint Copy, p. B.

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