Active bearing

Details Active bearing Active bearing

1993-07-26

1995-03-14

Hannon, Thomas R.

Bearings

Vibratory (e.g., piezoelectric or kinetic bearing

384100, 384247, 384312, 384448, F16C 3200, F16C 2300

Patent

active

053971833

ABSTRACT:
A mechanical bearing, the major advantage inherent in magnetic and other non-contact bearing designs, i.e., being active. The specific bearing disclosed is a tilt pad bearing having a structure which changes shape in a controlled manner in response to a control signal, which structure is made up of a piezoceramic smart material and a backing housing. A controller is also provided for developing a control signal in response to feedback information.

REFERENCES:
patent: 4643592 (1987-02-01), Lewis et al.
patent: 4767223 (1988-08-01), Goodwin
patent: 4850719 (1989-07-01), Moseley et al.
patent: 5221146 (1993-06-01), Maruyama
patent: 5238308 (1993-08-01), Lang et al.

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