Erosion-preventing device for a lift-and-force pump

Details Erosion-preventing device for a lift-and-force pump Erosion-preventing device for a lift-and-force pump

1975-06-27

1976-06-15

Husar, C. J.

Pumps

Expansible chamber type

Pumping member position controlled port

123139AA, F04B 704

Patent

active

039633845

ABSTRACT:
An erosion-preventing device in a jerk-pump of the kind comprising a cylindrical plunger reciprocating longitudinally within a bore formed in a barrel mounted in the pump housing and including a common feed and by-pass duct opening into said bore, said erosion preventing device being constituted by a wall portion, inserted longitudinally into said common duct and consisting of a partition having the shape of a flat plate or strip and inserted into said common duct.

REFERENCES:
patent: 2382000 (1945-08-01), Bremser
patent: 2414261 (1947-01-01), Kalitinsky
patent: 2565681 (1951-08-01), Fleck et al.
patent: 3438327 (1969-04-01), Thompson

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