Electricity: measuring and testing – A material property using electrostatic phenomenon
Patent
1981-02-12
1983-09-06
Tokar, Michael J.
Electricity: measuring and testing
A material property using electrostatic phenomenon
324 61R, G01N 2760
Patent
active
044031912
ABSTRACT:
A cereal grain moisture content measuring apparatus including a vessel for containing a sample of cereal grains to be measured for its moisture content formed with a discharge valve at its bottom, an electrostatic capacity sensor mounted on an inner wall surface of the vessel, a weighing device connected to the vessel and a grain feeding device mounted above the vessel. Electric circuits of the weighing device and the grain feeding device are operatively connected to an electric circuit of the sensor through a control circuit. The weighing device is adapted either to measure the weight of a predetermined volume of cereal grains, or to measure the weight of a predetermined weight of cereal grains and produce a signal to actuate a volume measuring section provided to said vessel to determine the volume of the cereal grains of the predetermined weight. The moisture content sensed by the sensor is corrected by a control circuit in terms of a predetermined density of cereal grains based on the measured weight or volume of cereal grains in the vessel.
REFERENCES:
patent: 1890545 (1932-12-01), Limbrick
patent: 2625300 (1953-01-01), Saxe
patent: 2665409 (1954-01-01), Rogers
patent: 3741326 (1973-06-01), Scraper
Blank Charles A.
O'Shea Kevin
Satake Engineering Co. Ltd.
Tokar Michael J.
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