Drying and gas or vapor contact with solids – Apparatus – With automatic control
Patent
1999-03-08
2000-11-07
Gravini, Stephen
Drying and gas or vapor contact with solids
Apparatus
With automatic control
34 89, 34202, F26B 2106
Patent
active
061418889
ABSTRACT:
In a monitoring system for a wood drying kiln having a housing with an interior area for placement of a charge of wood for drying the charge of wood, the interior area having a floor, environment devices for adjusting heat and humidity in the interior area of the kiln, and a control unit for controlling the environment devices, the improvement is a support in the interior area for supporting a representative sample of the charge of wood, a sensor mounted to the support for sensing the weight of the sample which is a function of moisture content in the sample and a proportioning mechanism connected between the sensor and the sample for suspending the sample and for applying a proportioned force resulting from the weight of the sample to the sensor. The sensor is connected to the control unit for generating a signal which is proportional to the weight, and thus, to the moisture content of the sample. A stand on the kiln floor has a member for carrying the support at a location which is spaced from the wood charge without requiring and kiln wall space. The invention also includes the possibility of supporting the sensor from the ceiling and at any location in the kiln whether the sensor is supported from the ceiling or the floor. The invention is also useful in kilns for drying other materials than wood.
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Delmhorst Instrument Co.
Gravini Stephen
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