Torque wire thermal strain relief

Details Torque wire thermal strain relief Torque wire thermal strain relief

1995-05-23

1997-02-04

Williams, Hezron E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

7351436, G01P 1508, G01P 1513

Patent

active

056000677

ABSTRACT:
A method and apparatus for relieving thermal stress on the flexures of an accelerometer, particularly a quartz accelerometer, caused by the difference in the coefficient of expansion of a bonding adhesive or a sealant placed over a bonding pad to protect or attach the ends of the torque coil and the coefficient of expansion of the quartz. The strain is relieved by supporting the bonding pads on flexible attachments to prevent thermal stress from being transferred into the pendulum and flexures.

REFERENCES:
patent: 3498138 (1970-03-01), Stewart
patent: 3513711 (1970-05-01), Rogall et al.
patent: 3702073 (1972-11-01), Jacobs
patent: 4592234 (1986-06-01), Norling
patent: 4697455 (1987-10-01), Norling
patent: 4955233 (1990-09-01), Hanson
patent: 5024089 (1991-06-01), Norling
patent: 5072619 (1991-12-01), Hanson
patent: 5111694 (1992-05-01), Foote

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