Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Patent
1986-04-16
1988-02-23
Chapman, John
Measuring and testing
Speed, velocity, or acceleration
Acceleration determination utilizing inertial element
73497, G01P 1513
Patent
active
047262281
ABSTRACT:
An accelerometer with improved resistance to errors due to thermal stress. The accelerometer comprises a proof mass assembly (44), a stator (40), and an interface member (90) that includes a plate-like body positioned between the proof mass assembly and the stator. The proof mass assembly includes a reed (72) suspended from a support (70), and a reed capacitor plate positioned on the reed. The body includes a body capacitor plate (94) positioned to form a capacitor with the reed capacitor plate. The interface member includes first mounting member (110) for securely mounting a first area of the stator with respect to a corresponding first area of the support, and a mounting element (126) extending between a second area of the stator and a corresponding second area of the support. The mounting element is relatively compliant along a first axis, and relatively rigid along all other axes. The first axis lies in the plane of the body and passes approximately through the first mounting member.
REFERENCES:
patent: 3339419 (1967-09-01), Wilcox
patent: 3702073 (1972-11-01), Jacobs
patent: 4182187 (1980-01-01), Hanson
patent: 4250757 (1981-02-01), Hanson
patent: 4592234 (1986-01-01), Norling
Chapman John
Sundstrand Data Control Inc.
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