Fabricated rotor for rotary valves
AssigneeThe Young Industries, Inc.
InventorAndrew Mitchell
Life of this patent
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Abstract
A rotor for a rotary valve of the type including a housing providing a rotor chamber with a material inlet and a material outlet and a drive shaft journaled in said housing for supporting said rotor in said rotor chamber. The rotor includes a rotor shaft operatively connectable to the drive shaft and disposable in said rotor chamber. The rotor shaft has a plurality of longitudinally disposed, circumferentially spaced between recesses in which an edge of a plurality of vanes are received. The recesses include a slot preferably with a dovetail cross-sectional configuration, with the edge of the vanes having a comparable cross-sectional configuration. A pair of shrouds are included on either side of the vanes.
Claims30
A rotor for a rotary valve including a housing providing a rotor chamber having a material inlet and a material outlet and a drive shaft journaled in said housing for supporting said rotor in said rotor chamber, comprising:
- a rotor shaft operatively connectable to said drive shaft and disposable in said rotor chamber;
- said rotor shaft having a plurality of longitudinally disposed, circumferentially spaced recesses each having a cross-section;
- a plurality of vanes, each having an edge received within one of said plurality of recesses of said rotor shaft, said edge having a cross-section comparable to said cross-section of said recess causing said valve to recover locked in said recess;
- and
- means for axially securing each of said vanes within one of said plurality of recess of said rotor shaft;
- and said securing means comprising a pair of shrouds mounted on said rotor shaft, each engaging a set of end edges of said vanes.
Dependencies are inferred from the claim text.