High bearing pressure-resistant member
US6569267B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2000 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Jul 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.