Grain moisture sensor
US6285198A · kind A · utility
22Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1997 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Jul 3, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/226
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A moisture sensor for an agricultural combine comprises a chamber having an inlet and an outlet and a paddle wheel flow controller located adjacent to the outlet. The paddle wheel flow controller is rotated by an electric motor which is controlled by an electronic controller. Grain from the clean grain elevator is directed through the inlet of the chamber past a capacitance sensor comprising a first, second and third plates. By measuring the capacitance of the grain, the moisture in the grain can be determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.