Combine harvester

Details Combine harvester Combine harvester

1984-03-07

1985-10-22

Hirsch, Paul J.

Harvesters

Motorized harvester

With condition-responsive operation

56DIG15, A01D 4100, A01F 1200

Patent

active

045480273

ABSTRACT:
There is disclosed a combine harvester in which a traveling change speed mechanism is automatically controlled in response to workload variations in order to maintain the workload within a predetermined range. In normal circumstances, controls are effected on the basis of an average value of deviations from a control target value of values of the load sampled a predetermined number of times. A change speed operation is immediately effected in an amount corresponding to the deviations when a difference between a value of variation of the sampled values from sampled values obtained a previous time from sampled values obtained earlier is greater than a predetermined value.

REFERENCES:
patent: 3466854 (1969-09-01), Ashton et al.
patent: 3606742 (1971-09-01), Wieneke et al.
patent: 3606745 (1971-09-01), Girodat
patent: 3659618 (1972-05-01), Kobald et al.
patent: 3935866 (1976-02-01), Northrup et al.
patent: 3999359 (1976-12-01), Jordan et al.
patent: 4130980 (1978-12-01), Fardal et al.
patent: 4188772 (1980-02-01), Jordan et al.
patent: 4458471 (1984-07-01), Herwig

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