Grain loss monitors for harvesting machines

Details Grain loss monitors for harvesting machines Grain loss monitors for harvesting machines

1991-02-01

1991-09-10

Williams, Hezron E.

Measuring and testing

Vibration

Resonance, frequency, or amplitude study

73659, 340684, 340606, 56102, 56DIG15, A01D 7528

Patent

active

050463624

ABSTRACT:
A grain loss monitor for a harvesting machine is provided with detector mechanism including a sensor plate and a transducer associated with the sensor plate. The detector mechanism is disposed for detecting grain loss through the impact of grain kernals on the sensor plate and the transducer has a resonant frequency in the range of 8 to 25 KHz. The grain loss monitor also includes a circuit operable to process the output signals from the transducer.

REFERENCES:
patent: 3606745 (1971-09-01), Girrdat
patent: 4004289 (1977-01-01), Kirk
patent: 4036065 (1977-07-01), Strelioff et al.
patent: 4149415 (1979-04-01), Harbour
patent: 4337611 (1982-07-01), Mailander et al.
patent: 4360998 (1982-11-01), Somes
patent: 4490964 (1985-01-01), Eldredge
patent: 4825146 (1989-04-01), Kotyk et al.

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