Piston with anti-carbon coating and method for applying an anti-carbon coating on a piston
US9903310B2 · kind B2 · utility
3Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2016 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Jul 2, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41F15/0895
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A piston having a piston crown with a combustion chamber, and a circumferential ring belt extending from the piston crown and having a plurality of ring grooves separated by piston lands. At least one of the piston lands, ring grooves or top surface of the crown is provided with a coating comprising hexagonal boron nitride. The coating can be made solely of hexagonal boron nitride, or can additionally include a resin. The coating can be a single layer coating or a multiple layer coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.