Repaired pistons and collection thereof
US9587740B2 · kind B2 · utility
4Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2014 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Mar 17, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/30
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A repaired piston includes a crown composed of base and welding filler materials, and having an annular rim extending around a combustion bowl. A finite number of repaired defects are within the annular rim, and have a spatial distribution limited by a multidirectional spacing parameter, and a size distribution limited by a unidirectional sizing parameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.