Thrust piston pump for the discharge of media

Details Thrust piston pump for the discharge of media Thrust piston pump for the discharge of media

1986-04-10

1988-08-09

Freeh, William L.

Pumps

Expansible chamber type

Valved piston

92130R, 92130B, 222383, 222384, F04B 2104, F01B 3100

Patent

active

047624752

ABSTRACT:
A thrust piston pump for the delivery of media has a spring constructed in one piece with the piston rod of a piston unit and located in the pump chamber, which is guided on a sloping surface formed by an internal cone. The piston rod is constructed in such a way that an axially resiliently compressible, sleeve-like piston collar can be fitted from the outer end of the piston rod. The fastening cap can be constructed in one piece with a flange edge, a ring packing and/or a component of the cylinder casing, particularly its cylinder cover. This leads to high pump reliability, in the case of simple construction and easy assembly.

REFERENCES:
patent: 862867 (1907-08-01), Eggloston
patent: 3046894 (1962-07-01), Machen
patent: 3361078 (1968-01-01), Cooprider
patent: 3940070 (1976-02-01), Michel
patent: 4532967 (1985-08-01), Graf
patent: 4624413 (1986-11-01), Corsette

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