Cement pump with valve manifold control

Details Cement pump with valve manifold control Cement pump with valve manifold control

1985-07-08

1987-01-06

Croyle, Carlton R.

Pumps

Expansible chamber type

Plural pumping chambers

417900, F04B 2102, F04B 1502

Patent

active

046343520

ABSTRACT:
A pump for applying pre-mixed cement, and similar mud-like flowable materials, employs power driven oppositely reciprocating pistons sliding in a pair of cylinders for pumping action. A control manifold, having a single cement discharge outlet, interconnects combined suction and discharge outlets of each pump cylinder with a cement supply hopper manifold inlet. Two manifold pump response chambers, and a single discharge chamber in flow communication with one another within the manifold, together with associated valving within each chamber, provides for unidirectional flow of cement under pressure from the manifold discharge outlet solely in response to the movement of the pistons within the pump cylinders. The pump response chamber valves have adjustable valve openings so that the pump may be employed with flowable materials of varying viscosity.

REFERENCES:
patent: 25642 (1859-10-01), Henderson
patent: 38291 (1863-04-01), Davis
patent: 1991342 (1935-02-01), Ball
patent: 2734667 (1956-02-01), Conklin
patent: 3787149 (1974-01-01), Dane
patent: 3910730 (1975-10-01), Gage
patent: 3994631 (1976-11-01), Hostetter
patent: 4067666 (1978-01-01), Richards
patent: 4521163 (1985-06-01), Stahlkopf

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