Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Support – holder – or housing for unspecified type electrical...
Patent
1994-01-10
1995-06-13
Goldstein, Herbert
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Support, holder, or housing for unspecified type electrical...
73765, G01B 716
Patent
active
054232244
ABSTRACT:
A clamp-on structural strain-gage sensor that is mounted to dynamic load-bearing structures, such as sucker-rod type oil well pumps, to produce an electrical output proportional to the deflection of such structures. The apparatus uniquely includes an active electronic temperature correcting circuit to provide compensation for the erratic effects caused by uneven thermal heating of the load-bearing structure.
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Brunton James E.
Goldstein Herbert
Olsen James M.
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