Apparatus for generating forces in a specimen

Details Apparatus for generating forces in a specimen Apparatus for generating forces in a specimen

1976-03-16

1977-12-06

Queisser, Richard C.

Measuring and testing

Vibration

Vibrator

233 25, B06B 110

Patent

active

040610195

ABSTRACT:
Apparatus for creating vibratory forces in a specimen in which the specimen is positioned within a carrier which is rotated about a remote axis, preferably vertical, to generate centrifugal forces directed radially outward from the remote axis. The carrier is also rotated about an axis perpendicular to the direction of the radial centrifugal force so that the force on any particle is cyclically reversed at a frequency determined by the frequency of the rotation about the perpendicular axis. The rate of rotation about the remote axis may be varied to vary the amplitude of the centrifugal force and the rate of rotation about the perpendicular axis may be varied to vary the frequency of the vibratory force generated by this combination. The specification discloses an apparatus in which a solid specimen may be mounted for the generation of cyclically-varying vibration forces and also an apparatus for receiving a liquid which may be subjected to cyclically-varying vibrational forces.

REFERENCES:
patent: 2301967 (1942-11-01), Nosker et al.
patent: 2822127 (1958-02-01), Sinn

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