Apparatus and method for determining grain loss in combine...

Details Apparatus and method for determining grain loss in combine... Apparatus and method for determining grain loss in combine...

2005-03-22

2005-03-22

Petravick, Meredith (Department: 3671)

Crop threshing or separating

Means responsive to a sensed condition

Grain loss

C460S079000, C460S001000

Reexamination Certificate

active

06869355

ABSTRACT:
An apparatus and method for determining grain loss of a harvesting machine. The harvesting machine has a crop-separating region with separating members. The separating members each have separation sensors for generating a signal corresponding to the crop quantity separated. This signal is delivered to an evaluating unit for further processing. Processing includes determining a separation curve for at least some of the separating zones and converting the separation curve to a characteristic quantity. From this measured characteristic quantity, a loss is determined based on a characteristic curve deposited in the evaluating unit. By avoiding direct loss measurement on the harvesting machine, the negative crop-related effects on determining grain loss are considerably reduced.

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