Piston for internal combustion engine and manufacturing method thereof
US9581105B2 · kind B2 · utility
2Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2015 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Dec 11, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/003
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A piston for an internal combustion engine includes a piston main body for the internal combustion engine, and a crosshatched groove being formed on a surface of the piston main body. The crosshatched groove includes a crosshatch angle that corresponds to a crossing angle of lines that configure a crosshatch, the crosshatch angle that is set at a range from equal to or greater than 15 degrees to equal to or less than 35 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.