Physical magnitude measurement sensor

Details Physical magnitude measurement sensor Physical magnitude measurement sensor

1992-10-09

1994-12-06

Williams, Hezron E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

G01P 1508

Patent

active

053699963

ABSTRACT:
A measurement sensor 1 for sensing a physical magnitude and comprising a framework 2, a seismic mass 36 displaceable relative to the framework, and a support frame 8 for the mass 36. The support frame 8 is fixed to the framework and elastically deformable along a sensing axis X.sub.s by the physical magnitude. A transducer 20 is fixed to the support frame 8 for supplying a signal representative of the physical magnitude in response to a deformation of the support frame 8. An arrangement 50, 52, 54, 56 protects the transducer 20 against a force exhibiting at least one component in a plane substantially perpendicular to the sensing axis X.sub.s. The arrangement permits a reversible displacement of the mass 36 relative to the support frame 8 in the perpendicular plane during a shock without acting upon the transducer 20, and a positioning of the mass 36 relative to the support frame 8 in the absence of the shock.

REFERENCES:
patent: 2966617 (1960-12-01), Hardway, Jr.
patent: 3035450 (1962-05-01), Hardaway
patent: 3897690 (1975-08-01), Hanson
patent: 4149422 (1979-04-01), Olsen
patent: 4221131 (1980-09-01), Albert
patent: 4515016 (1985-05-01), Hartemann et al.

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