Liquid pump resilient inlet insert for pumping high solids conte

Details Liquid pump resilient inlet insert for pumping high solids conte Liquid pump resilient inlet insert for pumping high solids conte

1993-05-26

1994-09-20

Bertsch, Richard A.

Pumps

Expansible chamber type

Valved piston

417569, 13753315, F04B 2102

Patent

active

053484541

ABSTRACT:
A liquid pump adapted for pumping liquids containing high percentages of solids in suspension, including a foot valve and pumping chamber, and having an insert in the pumping chamber adjacent the foot valve seat, the insert having a resilient inner surface and an outer metallic rim, the inner resilient surface forming flanges about the edges of the rim, and the insert being clamped between the valve seat and another member.

REFERENCES:
patent: 2790460 (1957-04-01), Radd
patent: 3327635 (1967-06-01), Sachnik
patent: 3346008 (1967-10-01), Scaramucci
patent: 3620653 (1971-11-01), Gaylord
patent: 4086936 (1978-05-01), Vork
patent: 4775303 (1988-10-01), Liska
patent: 4945945 (1990-08-01), Schmid
patent: 5232014 (1993-08-01), Hiltebrand

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