Grain sensor

Details Grain sensor Grain sensor

G - Physics

01

F

349/39

G01F 1/66 (2006.01) G01P 13/00 (2006.01)

Patent

CA 1157141

GRAIN SENSOR ABSTRACT OF THE DISCLOSURE A seed flow detector for use with a seed tube, comprised of a pin for extending radially into the seed tube, the end of the pin being orthogonally fixed to one face of a piezoelectric crystal transducer. Flexible resilient material is disposed against the other face of the transducer so as to damp mechanical vibrations below a predetermined frequency. Substantially no build-up of seeds or blockage of the seed tube results, mechanical vibration is substantially damped, while signals resulting from the impact of seeds against the pin are reliably generated.

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