Big and bearing shell
US7263913B2 · kind B2 · utility
1Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2001 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Aug 16, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12736
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention relates to a big end bearing shell (4, 6) for a connecting rod (2), consisting of titanium or a titanium alloy. The shell comprises a support layer (8, 20) consisting of steel and an anti-friction layer (16, 26) for the crankshaft. According to the invention, the back of the support layer (8, 20) is clad with a layer (10, 22) of tin bronze material, with a thickness of 10-50 μm to prevent fretting corrosion and frictional abrasion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.