Material moving pump

Details Material moving pump Material moving pump

1990-01-30

1991-07-09

Smith, Leonard E.

Pumps

Expansible chamber type

Control by withdrawal or tilting of pump piston relative to...

417900, F04B 3910

Patent

active

050300695

ABSTRACT:
A sanitary material moving pump having a ram mounted for rreciprocal movement in a pumping chamber. An elongte tubular housing is connected at one end to the ram for purposes of reciprocal movement of the ram to move material through the pumping chamber. A piston shaft is mounted in stationary relationship relative to the pumping chamber in alignment with the design pumping axis of the pumping chamber. The end of the housing opposite the ram extends outward of the pumping chamber and is installed on the working end of the piston shaft. A piston is mounted on the inside end of the piston shaft. Hydraulic fluid lines communicate with opposite sides of the piston to reciprocate the housing on the piston shaft and the ram in the pumping chamber. Apparatus is provided for correctly adjusting the alignment of the hydraulic power unit to be as coincident as possible with the design pumping axis of the machine.

REFERENCES:
patent: 3331332 (1967-07-01), Wennberg
patent: 4140443 (1979-02-01), Olson
patent: 4290737 (1981-09-01), Clay
patent: 4322023 (1982-03-01), Olson

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