Harvester air separator

Details Harvester air separator Harvester air separator

1976-05-14

1979-12-18

Halper, Robert

Harvesters

Motorized harvester

Including driven air-blower unit

56130, 209137, 207147, A01D 4522

Patent

active

041787439

ABSTRACT:
A harvester for beans and like crop includes a pick-up reel having a width equal to the overall width of the harvester and leading to a first, cleaning, conveyor which terminates at an air passage incorporating a fan for generating a generally vertical air flow. Where the vertical air passage meets the cleaning conveyor, a rotary valve is provided which permits the passage of the beans and other parts of the crop but prevents or at least restricts the passage of the air flow into the space above the upper run of the conveyor. The rotary valve may take the form of a rotary vaned assembly having six vanes each of which is secured to one face of a hexagonal shaft and various forms of rotary valve are also described.

REFERENCES:
patent: 517980 (1894-04-01), Littlefield
patent: 913377 (1909-02-01), Grant
patent: 1454071 (1923-05-01), Owens
patent: 2257552 (1941-09-01), Hammack
patent: 3034646 (1962-05-01), Eissmann
patent: 3165874 (1965-01-01), Osteen
patent: 3265210 (1966-08-01), Harte
patent: 3593051 (1971-07-01), Davidson
patent: 3929628 (1975-12-01), Denevi
patent: 3962072 (1976-06-01), Ramacher

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