Accelerometer with shear isolated mounting

Details Accelerometer with shear isolated mounting Accelerometer with shear isolated mounting

1997-03-14

1998-12-08

Oda, Christine K.

Measuring and testing

Speed, velocity, or acceleration

Structural installation or mounting means

7351434, 73654, G01P 1508

Patent

active

058472789

ABSTRACT:
An accelerometer providing shear isolation from unwanted shear forces by means of a shear isolation member located inside the accelerometer housing. The shear isolation member is rigidly attached to the housing at a mounting end and one or more piezoelectric crystals are mounted on a crystal mounting region. The mounting end is sufficiently far from the crystal mounting region that shear forces exerted on the accelerometer housing are not transmitted through the mounting end to the crystal mounting region, while vibrations, which affect the entire accelerometer, produce shear forces in the crystal which are easily detected.

REFERENCES:
patent: 4211951 (1980-07-01), Jensen
patent: 4858470 (1989-08-01), Kincaid et al.
patent: 4884250 (1989-11-01), Kirtzinger et al.
patent: 4905518 (1990-03-01), Kubler
patent: 5130600 (1992-07-01), Tomita et al.
patent: 5212984 (1993-05-01), Norling
patent: 5218870 (1993-06-01), Komurasaki et al.
patent: 5473941 (1995-12-01), Judd et al.
patent: 5677487 (1997-10-01), Hansen

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