Strain gage transducer with a foil strain gage arrangement secur

Details Strain gage transducer with a foil strain gage arrangement secur Strain gage transducer with a foil strain gage arrangement secur

1980-04-04

1982-03-30

Albritton, C. L.

Electrical resistors

Strain gauge type

29610SG, 7386265, G01L 122

Patent

active

043227074

ABSTRACT:
A strain gage transducer, preferably of the above double bending spring or beam type, has secured to its spring or springs strain gage elements etched out of foil from which further conductor configurations have been simultaneously etched. These further conductor configurations are shunted by interruptable short circuits. Some of these configurations have such a shape that they are substantially nonsensitive to strain and hence located in a zone or zones of the spring or beam where the deformation due to strain is relatively small, for example in a central zone. Others of these configurations have a shape to exhibit large creeping. The latter shapes and the respective strain gage elements are secured to the spring or springs substantially in zones of large deformation. By interrupting the proper short circuits the negative creeping of the foil strain gage compensates the positive creeping of the respective spring.

REFERENCES:
patent: 4021766 (1977-05-01), Aine
patent: 4050049 (1977-09-01), Youmans
patent: 4144516 (1979-03-01), Aine
patent: 4185496 (1980-01-01), Tisone et al.

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