Two-terminal temperature sensor with electrically isolated housing
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United States of America Patent
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-
Apr 24, 2012
Grant Date -
Oct 7, 2010
app pub date -
Apr 6, 2009
filing date -
Apr 6, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A two-terminal temperature sensor connects a first end of thermistor or other thermometer device to a first electrical terminal via an inner compression coil. A second electrical terminal is connected to a second end of the thermistor via an outer compression coil and a formed conductor. The inner compression coil and thermistor are positioned within the formed conductor. The inner compression coil and thermistor are prevented from contact with the formed conductor by an inner insulating tube. The first and second electrical contacts are mounted in a molded terminal assembly that insulates the electrical contacts from one another. The entire assembly is housed within a housing that is electrically isolated from the formed conductor and outer compression coil via an outer insulating tube and an insulating disk.
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