Rotary valves

Details Rotary valves Rotary valves

1978-02-17

1981-06-30

Spar, Robert J.

Dispensing

With cleaning means

222342, 222368, G01F 1124

Patent

active

042758246

ABSTRACT:
The invention provides for a rotary valve of the type employed for transporting solid material between zones having a fluid pressure differential, with a minimum fluid leakage between the zones. The valve has a housing with a bore, passages communicating with the bore and designed to be coupled to the respective zones, and a rotor which is housed within the bore. The rotor is defined by an axial drive shaft, a pair of spaced end plates on the shaft and a series of radial vanes disposed between the end plates. The valve is formed with material deflecting formations on the peripheral surfaces of the end plates the formations being adapted for urging material inwardly into the zone intermediate the end plates upon rotation of the rotor in a predetermined direction.

REFERENCES:
patent: 2816693 (1957-12-01), Greaves et al.
patent: 2921721 (1960-01-01), Brooks
patent: 3052383 (1962-09-01), Transeau
patent: 3602552 (1971-08-01), Morgan
patent: 4109966 (1978-08-01), Boyhont et al.

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