Patent · US Expired

High bearing pressure-resistant member

US6569267B1 · kind B1 · utility

6Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 20, 2000
Grant dateMay 27, 2003
Priority date
Expiry dateJul 20, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D2211/008
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A high bearing pressure-resistant member used as a rolling element forming part of a toroidal continuously variable transmission for an automotive vehicle. The high bearing pressure-resistant member is formed of a mechanical structural steel containing Cr. The mechanical structural steel includes a matrix having at least one of martensite structure and bainite structure. The matrix contains carbide having a mean particle size of 3 &mgr;m or less, dispersed and precipitated in form of at least one of generally spheres and pseudo-spheres.

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