Strain gauge pump control switch
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United States of America Patent
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Jun 13, 2017
Issued Date -
N/A
app pub date -
Apr 14, 2015
filing date -
May 22, 2007
priority date (Note) -
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Abstract
A control switch incorporates a solid state transducer, a strain gauge. The transducer responds to a local environmental condition, such as fluid level, or pressure and exhibits a parameter change which can be detected as an electrical output. Control circuits coupled to the transducer can sense the parameter change and switch a source of electrical energy to a load in response thereto.
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