Distributing valves for viscous materials

Details Distributing valves for viscous materials Distributing valves for viscous materials

1975-03-27

1977-04-26

Croyle, Carlton R.

Pumps

Expansible chamber type

Mechanically actuated distributor

417519, 417900, F04B 1502, F04B 3910

Patent

active

040198391

ABSTRACT:
A distributing valve for twin cylinder pumps for pumping viscous materials such as concrete, has an oscillating body with closing elements, for the suction orifices and pressure orifices for the pump cylinders mounted on a shaft disposed outside the part of the pump casing acted upon by the pump pressure. The closing elements are arranged on the same side of the rotating shaft and a pair of closing elements is provided either for the suction orifices or for the pressure orifices.

REFERENCES:
patent: 3331332 (1967-07-01), Wennberg
patent: 3398693 (1968-08-01), Schumann
patent: 3647326 (1972-03-01), Bille
patent: 3877847 (1975-04-01), Bille

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