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AssigneeAlkon Corporation
InventorRobert W. Phare
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A particulate moisture measurement gauge of the type using a resonant electric circuit connected to a diode detector and to an AC signal generator having a frequency near the resonant frequency of the resonant circuit and in which the resonant circuit is electrically coupled to the particulate by a capacitor having the particulate as its dielectric. A probe is formed as a transmission line having a length which is approximately an integral number of one quarter wave lengths long. One end of the transmission line is connected to the circuitry and its opposite, moisture sensing end is immersed in the particulate. Preferably the probe is a rigid, conductive tube with a central rod having a ceramic insulator sealing its moisture sensing end and the circuitry housed in its opposite end.
An improved moisture measurement gauge in which a resonant circuit is connected to a detector circuit and an AC sisal generator having an output signal at a frequency near the resonant frequency of the resonant circuit and in which the resonant circuit is electrically coupled to a particulate material for changing impedance in response to the dielectric properties of the material, wherein the improvement comprises:
A method for measuring the moisture content of a mass of particulate material, the method comprising:
Dependencies are inferred from the claim text.