Pump for conveying cement

Details Pump for conveying cement Pump for conveying cement

1978-04-14

1980-03-04

Gluck, Richard E.

Pumps

Expansible chamber type

Mechanically actuated distributor

417519, 417532, 417900, F04B 1502

Patent

active

041915135

ABSTRACT:
A pump for conveying cement comprises two pump cylinders and reciprocating pistons, an input container, a multi-limb oscillating shutter valve arranged in front of the pump cylinders and below the input container, the housing of the valve including a suction connection leading from the input container, two ports connected to the pump cylinders respectively, and an outlet located in the end wall of the housing. Two inlet ports are provided in the housing for placing the suction connection in communication with the ports connected to the pump cylinders respectively. The oscillating shutter is mounted on a horizontal shaft to be movable between two positions, and includes two control limbs, each controlling a different one of said inlet ports, and an outlet control limb the forward edge of which passes over and controls said outlet.

REFERENCES:
patent: 3398693 (1968-08-01), Schumann
patent: 3588294 (1971-06-01), Schlecht
patent: 4057373 (1977-11-01), Schwing

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