Apparatus for determination of the static unbalance in a body

Details Apparatus for determination of the static unbalance in a body Apparatus for determination of the static unbalance in a body

1986-09-02

1987-09-08

Chapman, John

Measuring and testing

Rotor unbalance

Gravitational moment tilts rotor about axis transverse to...

G01M 112

Patent

active

046915672

ABSTRACT:
A unitary adaptor plate for determining static unbalance in a body. The plate includes an outer body, a middle body, and an inner body, and each of the inner and outer bodies is connected to the middle body by means of opposed torsion elements to provide a structure that defines a gimbal system capable of rotation about two mutually perpendicular axes of rotation defining two degrees of freedom of the adaptor plate. Deflection sensors sense the inclination of the adaptor plate caused by unbalance in a body placed on the adaptor plate, and force transducers operate to restore the plate to a horizontal position and provide an output indicative of the unbalance of the body.

REFERENCES:
patent: 2338057 (1943-12-01), Petersen
patent: 3096655 (1963-07-01), Peterson
patent: 3587296 (1971-06-01), Povoas
patent: 4063462 (1977-12-01), Himmler
patent: 4098357 (1978-07-01), Harder

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