Steel material for CVT sheave, CVT sheave, and method for manufacturing CVT sheave
US11326244B2 · kind B2 · utility
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Key dates
| Filing date | Jul 18, 2017 |
| Grant date | May 10, 2022 |
| Priority date | — |
| Expiry date | Jul 18, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H55/56
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Steel materials for continuously variable transmissions sheaves, and methods for manufacturing a continuously variable transmission sheaves, are provided. In the disclosed steel materials for continuously variable transmission sheaves, the steel materials satisfy the following expressions: 13.9≤Fn1≤15.5, and 1.20≤Fn2≤4.35 (in which Fn1=7×Cr−6×Si+4×Mn; and Fn2=Al×N×104).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.