Piston with insulating air gap formed by additive manufacturing
US11149681B2 · kind B2 · utility
0Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2018 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Nov 28, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/25
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present disclosure provides a piston, comprising: a skirt having an upper body portion; and a crown formed on the upper body portion by an additive manufacturing process, the crown including at least one air gap formed and positioned to reduce heat transfer from combustion to at least one cooling gallery formed in the piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.