Extendable moisture content sensing system
First Claim
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1. A moisture content sensing system comprising:
- a collar mechanically coupled with a clean grain transport system;
an extendable support extending through said collar and having an extendable capacitive sensor element disposed at one end, said extendable support configured to be located at a first position in which said extendable capacitive sensor element is disposed adjacent to clean grain conveyed by said clean grain transport system and to be located at a second position wherein said extendable capacitive sensor element is disposed at least partially within said clean grain conveyed by said clean grain transport system; and
a processor configured to adjust a moisture content reading of the clean grain based upon an indication of a distance said extendable capacitive sensor element extends into the clean grain and a respective frequency signal from said extendable capacitive sensor element when located at at least one of said first position and said second position.
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Abstract
A moisture content sensing system is described comprising a collar mechanically coupled with a clean grain transport system. An extendable support extends through the collar and has an extendable capacitive sensor element disposed at one end. The extendable support is configured to be located at a first position in which the extendable capacitive sensor element is disposed adjacent to clean grain conveyed by the clean grain transport system and moved to a second position wherein the extendable capacitive sensor element is disposed at least partially within the clean grain of the clean grain transport system.
126 Citations
19 Claims
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1. A moisture content sensing system comprising:
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a collar mechanically coupled with a clean grain transport system; an extendable support extending through said collar and having an extendable capacitive sensor element disposed at one end, said extendable support configured to be located at a first position in which said extendable capacitive sensor element is disposed adjacent to clean grain conveyed by said clean grain transport system and to be located at a second position wherein said extendable capacitive sensor element is disposed at least partially within said clean grain conveyed by said clean grain transport system; and a processor configured to adjust a moisture content reading of the clean grain based upon an indication of a distance said extendable capacitive sensor element extends into the clean grain and a respective frequency signal from said extendable capacitive sensor element when located at at least one of said first position and said second position. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of determining the moisture content of a harvested crop, said method comprising:
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receiving an indication of a distance an extendable capacitive sensor element extends into a collection of a harvested crop; receiving a frequency signal; and generating a moisture content reading of said harvested crop based upon said indication of said distance and said frequency signal. - View Dependent Claims (8, 9, 10, 11)
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12. A method for determining the moisture content of clean grain, said method comprising:
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accessing a data table having a plurality of data points and interpolating a correction for making an adjustment of a moisture content reading of a controlled moisture content material generated by an extendable capacitive sensor element disposed upon an extendable support; receiving an indication of a distance said extendable capacitive sensor element extends into a collection of clean grain; receiving a frequency signal; and determining a moisture content of said collection of clean grain based upon said indication of said distance and said frequency signal. - View Dependent Claims (13, 14, 15, 16)
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17. A method for measuring moisture content of a harvested crop comprising:
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extending an extendable capacitive sensor element into a collection of clean grain within a clean grain transport system of a combine; and based on a distance said extendable capacitive sensor extends into said collection of clean grain and a frequency signal received from said extendable capacitive sensor element, determining a moisture content of said collection of clean grain. - View Dependent Claims (18, 19)
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Specification