Vibration damping equipment

Details Vibration damping equipment Vibration damping equipment

1984-09-20

1987-07-14

Halvosa, George E. A.

Spring devices

Vehicle

Comprising compressible fluid

188267, 267 6415, F16F 904

Patent

active

046797750

ABSTRACT:
A vibration damping apparatus utilizing the phenomenon of an apparent viscosity created by the combination of a magnetic body and a magnetic fluid due to the magnetic fields of the magnetic fluid. The apparatus is a piston system, including an inner cylinder formed of a magnetic body accommodated within an outer cylinder formed of a nonferrous material. A passage of suitable dimensions is defined between the outer peripheral surface of the inner cylinder and the inner peripheral surface of the outer cylinder. A magnetic fluid is stored within the outer cylinder. The inner cylinder is firmly secured at its upper face to a supporting shaft formed of a nonferrous material. The supporting shaft is provided at its upper end with an upper frame for suitable devices through a planar plate when the apparatus is used as a vibration proofing frame. Likewise, lower frame is arrange under the lower face of the outer cylinder portion.

REFERENCES:
patent: 2654009 (1953-09-01), Trembley et al.
patent: 2906899 (1959-09-01), Geneslay
patent: 2973969 (1961-03-01), Thall
patent: 3174587 (1965-03-01), Walton
patent: 4351515 (1982-09-01), Yoshida

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