Variable case depth powder metal gear and method thereof
US7827692B2 · kind B2 · utility
7Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 24, 2006 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Sep 8, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19958
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A gear and a method of making a forged powder metal gear having a plurality of teeth and a variable case depth profile forged in the plurality of teeth. Each tooth of the plurality of teeth has a first surface and a tooth root. A variable case depth profile is formed in each tooth of the plurality of teeth, whereby the variable case depth profile exhibits greater tooth wear resistance on the first surface and greater impact resistance in the tooth root.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.