Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1996-02-20
1997-02-11
Bennett, G. Bradley
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
374131, 374208, G01J 502
Patent
active
056013655
ABSTRACT:
A contamination-resistant, temperature-sensing device for sensing the extent of conductive heat flow from a metal surface. A heat transfer member is mounted to one end of a thermally insulative tube. The heat transfer member has two oppositely facing surfaces, one of which engages the metal surface to receive conductive heat flow therefrom, the other of which radiates transferred heat through the tube. A sensor is mounted to the other end of the tube to detect the extent of heat radiated through the tube and hence the extent of conductive heat flow from the metal surface. The sensing device also includes a housing surrounding the tube and the sensor. In addition, the sensing device includes a variable rate coil spring to allow the heat transfer member to bear against the metal surface at a constant contact force. A controller is electrically coupled to the sensor for controlling the extent of conductive heat flow from the metal surface based on the detected heat radiated through the tube.
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Bennett G. Bradley
Ford Motor Company
Malleck Joseph W.
May Roger L.
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