Chaff spreading arrangement for a combine

Details Chaff spreading arrangement for a combine Chaff spreading arrangement for a combine

1984-10-15

1986-09-30

Peshock, Robert

Solid material comminution or disintegration

Apparatus

Helical pusher inside tube moves material toward perforated...

56503, 2411017, A01F 700

Patent

active

046141979

ABSTRACT:
In a combine harvester, the chaff discharged from the cleaning shoe is funneled towards the downwardly directed inlet of a pneumatic conveyor and transferred, by the conveyor, to the inlet of a rear mounted straw chopper. In this way, the relatively light chaff material is mixed with heavier straw helping to spread the chaff more widely and uniformly. The upward intake or ingestion at the conveyor inlet aerodynamically screens out undesirably heavy material, allowing it to fall to the ground.

REFERENCES:
patent: 754448 (1904-03-01), Henry
patent: 3450286 (1969-06-01), Tessman
patent: 3669123 (1972-06-01), Gaeddert et al.
patent: 4137923 (1979-02-01), Druffel et al.
patent: 4292795 (1981-10-01), Linn
patent: 4441511 (1984-04-01), Schroeder
patent: 4526180 (1985-07-01), Scott et al.
Progressive Farmer, "New Machinery--Chaff Storm" p. 16, Sep., 1983.
"Chaff, Straw Spreader", Farm Show, vol. 8, No. 3, 1984, p. 6.

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