Patent · US Expired

Active bearing

US5397183A · kind A · utility

16Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 1993
Grant dateMar 14, 1995
Priority date
Expiry dateJul 26, 2013

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2202/36
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.