Crop damage responsive control of rotor speed

Details Crop damage responsive control of rotor speed Crop damage responsive control of rotor speed

1980-09-22

1982-09-14

Hafer, Robert A.

Harvesters

Motorized harvester

With condition-responsive operation

56DIG15, 130 27R, A01F 1200

Patent

active

043488552

ABSTRACT:
A self-propelled crop harvesting combine having a variable speed crop threshing and separating rotor. The crop material is delivered from a conventional cleaning system into a grain holding tank. A system is provided to determine the ratio of damaged to undamaged grain from predetermined amounts of grain delivered to the grain tank. An electronic control system varies the speed of the rotor in response to changes in the ratio whereby the speed of the threshing mechanism is automatically varied to minimize grain damage in the threshing process.

REFERENCES:
patent: 3935866 (1976-02-01), Northup et al.
patent: 3939846 (1976-02-01), Drozhzhw et al.
patent: 4004289 (1977-01-01), Kirk
patent: 4259829 (1981-04-01), Strubbe

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