Patent · US Expired

Toroidal-type continuously variable transmission component and method for evaluating the same

US7207223B2 · kind B2 · utility

1Cited by
13References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 2004
Grant dateApr 24, 2007
Priority date
Expiry dateDec 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.