Force sensors

Details Force sensors Force sensors

1984-06-06

1986-06-17

Kreitman, Stephen A.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

Specified electrical sensor or system

7386259, G01L 110

Patent

active

045948984

ABSTRACT:
A piezoelectric beam structure for a vibrating beam force sensor in which three coplanar beams of piezoelectric material are spaced side by side and supported between respective common mountings at either end. The two outer counterbalancing beams in operation flex in opposite phase to the center main beam, with each beam flexing in a direction normal to the beam plane. A force sensor which includes this piezoelectric beam structure.

REFERENCES:
patent: 3190129 (1965-06-01), Kritz et al.
patent: 3470400 (1969-09-01), Weisbord
patent: 3529470 (1970-09-01), Agar
patent: 4071838 (1978-01-01), Block
patent: 4215570 (1980-08-01), Eer Nisse
patent: 4372173 (1983-02-01), Eer Nisse et al.
patent: 4446394 (1984-05-01), Albert

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