Sliding bearing shell for engine applications
US8430571B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2006 |
| Grant date | Apr 30, 2013 |
| Priority date | — |
| Expiry date | Oct 27, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31688
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sliding bearing for engine applications, in particular a sliding bearing shell for the mounting of the crankshaft or the camshaft or for use as a connecting-rod bearing shell, has a metallic supporting layer and, applied on top of that, a bearing metal layer of aluminum alloy, copper alloy or brass, the bearing metal layer having an 8-20 μm thick PTFB-free PAI-based coating applied on top of it, the PAI-based coating having 5-15% by weight zinc sulphide, 5-15% by weight graphite and 5-15% by weight TiO2 with the ratio of zinc sulphide and graphite respectively to TiO2 in terms of their percentage by weight being 0.6-1.4 and the zinc sulphide and TiO2 being present in a particle size of ≦0.7 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.