Dimpled surface features for radiated noise attenuation in engine front covers
US9650989B2 · kind B2 · utility
2Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2013 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Feb 9, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F2007/0075
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An engine assembly is provided including a block defining a plurality of cylinders. A plurality of pistons are disposed in the plurality of cylinders and a crankshaft is drivingly attached to the plurality of pistons. A cover is mounted to an end of the block and supports a crankshaft seal around the crankshaft. The cover includes a dimpled pattern in a surface adjacent to the crankshaft seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.