Synchronizer ring
US6261389A · kind A · utility
7Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1998 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Apr 30, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2998/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides a synchronizer ring excellent in strength and abrasion resisting property, used in a speed change gear. This synchronizer ring according to the invention is consisted of, by weight, C:0.2.about.1.0%, Ni:1.0.about.6.0%, Mo:0.6.about.3.0%, Cu:1.0.about.4.0% and the reminder Fe and inevitable impurities, and is made of Fe sintered alloy of which base composition comprises of mainly martonsite and bainite. And the base composition is preferably consisted of, by volume, martensite: 57.about.80%, bainite: 17.about.40%, austenite: 8% or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.