Unthreshed head grain loss monitor

Details Unthreshed head grain loss monitor Unthreshed head grain loss monitor

1988-05-04

1989-04-25

Goldstein, Herbert

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

73861, 56102, 56DIG15, G01R 2700

Patent

active

048251461

ABSTRACT:
A device for indicating grain loss resulting from unthreshed heads in a combine harvester using a microwave transmitter-sensor. The device provides an output signal whose magnitude is a function of the mass of passing effluent which when compared to that of a typical threshed head provides a measure of unthreshed head grain loss.
The device further provides that the output signal for unthreshed heads is distinct from that of loose grain providing means of distinguishing unthreshed head grain loss and loose grain loss.

REFERENCES:
patent: 4239010 (1980-12-01), Amburn
patent: 4336611 (1982-07-01), Mailander
patent: 4765190 (1988-08-01), Strubbe

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