Pumps

Details Pumps Pumps

1976-06-25

1978-01-17

Freeh, William L.

Motors: expansible chamber type

Three or more cylinders arranged in parallel radial or...

Cylinders parallel to rotation axis

I01B 1304

Patent

active

RE0295191

ABSTRACT:
An axial piston pump is adapted to pump concrete or other slurries. On the suction side a wedge device is arranged to direct the concrete into or away from the cylinders according to whether the solid lumps are correctly placed for easy entry into the cylinders or likely to cause an obstruction at the downstream end of the suction side. A water barrier separates the concrete space from the oil filled drive mechanism and there is water lubrication of the working face of the cylinder block.

REFERENCES:
patent: 985835 (1911-03-01), Porter
patent: 1483199 (1924-02-01), Schinkez
patent: 2633104 (1953-03-01), Lauck et al.
patent: 3270686 (1966-09-01), Thompson

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