Shroud for the infeed impeller of a rotary combine
AssigneeCNH America LLC
InventorsDale R. Tanis, Robert A. Matousek, Jonathan E. Ricketts, Glenn E. Pope, John L. Peters
Life of this patent
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Abstract
A shroud for the infeed section impeller in a rotary combine. The shroud includes a rear converging wall cone and a front diverging wall cone. A feed plate extends transversely across the front of the shroud and a sump is formed in the shroud behind the feed plate. The front diverging wall cone comprises top and bottom, rearwardly diverging walls. Transitions castings separate the top and bottom walls on left and right sides and have rearwardly converging front faces.
Claims10
In a rotary combine having a threshing assembly which includes a rotor housing and a rotor arranged for rotation within said rotor housing, wherein said rotor includes an infeed section and said infeed section has a frusto-conical impeller body with at least one impeller blade extending outwardly from said body, the improvement in an impeller shroud comprising:
- a) a frusto-conical wall segment forming a rear converging wall encircling said impeller;
- and
- b) at least one front, reverse frusto-conical wall segment forming a front diverging wall at least partially encircling said impeller.
A shroud for enclosing the impeller body and impeller blades on a rotor in a rotary combine, comprising:
- a) a rear frusto-conical wall encircling said impeller body and blades;
- and
- b) upper and lower front, frusto-conical wall segments forming a rearwardly diverging wall partially encircling said impeller body and blades.
Dependencies are inferred from the claim text.