Multi-cylinder pump for concrete

Details Multi-cylinder pump for concrete Multi-cylinder pump for concrete

1975-08-20

1977-11-08

Freeh, William L.

Pumps

Expansible chamber type

Mechanically actuated distributor

13762521, 13762546, 417900, F04B 700

Patent

active

040573737

ABSTRACT:
In a multi-cylinder pump for conveying concrete, the flow of concrete to and from the cylinders is controlled by a pivot body containing a pressure channel. The pressure channel is bounded by blades, each of which has a blade plate shaped in accordance with the flow of material and sealed to the pump casing wall at its edges. Each blade also has a base whereby it is attached to the pivot body shaft.

REFERENCES:
patent: 1603837 (1926-10-01), Carson
patent: 2248449 (1941-07-01), Dudley
patent: 3298322 (1967-01-01), Sherrod
patent: 3465685 (1969-09-01), Sherrod
patent: 3628897 (1971-12-01), Stetter
patent: 3829254 (1974-08-01), Stetter et al.

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