Toroidal-type continuously variable transmission component and method for evaluating the same
US7207223B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2004 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Dec 27, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/2697
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A toroidal-type continuously variable transmission component, such as an input disk, an output disk, an inner ring of a power roller bearing, and an outer ring of the power roller bearing, which is functioned as a rolling member, has a layer a depth of which is 0.5 mm or less from the surface thereof. The layer does not include a non-metallic inclusion having a maximum diameter of up to 0.1 mm in the area thereof having a depth of 0.5 mm or less from the surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.