Patent · US Expired

All ceramic bearing

US6158894A · kind A · utility

22Cited by
9References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 28, 1999
Grant dateDec 12, 2000
Priority date
Expiry dateJul 28, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S384/913
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

This invention relates to an all-ceramic bearing having wherein the fracture toughness and hardness values of the rings and roller elements are adjusted to produce pseudo-plastic contact, high resistance to roller contact fatigue and high resistance to wear.

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