Instrument for grinding and analyzing material in ground state

Details Instrument for grinding and analyzing material in ground state Instrument for grinding and analyzing material in ground state

1979-06-04

1983-08-23

Punter, William H.

Optics: measuring and testing

With sample preparation

250576, G01N 120, G01N 2185

Patent

active

044000863

ABSTRACT:
In an instrument for optically measuring the constituents of grain samples, a grinder is provided to grind a sample of grain and direct the ground grain into a chute. A hopper is provided for loading the grain into the grinder with a gate for controlling the flow of the grain into the grinder. A filter wheel and infrared light source assembly directs a beam of infrared light on the grain sample in the chute while continuously changing the wavelength irradiating the grain. As the infrared light is irradiating grain, the grain is moved in a bed through the infrared light and reflectivity measurements are made. From these reflectivity measurements, the oil, water and protein content of the grain sample is determined.

REFERENCES:
patent: 2668470 (1954-02-01), Fisher
patent: 3679312 (1972-07-01), Mansberg
patent: 4040747 (1977-08-01), Webster
patent: 4171916 (1979-10-01), Simms et al.

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