Welded engine block for small internal combustion engines
US9856822B2 · kind B2 · utility
2Cited by
38References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2017 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Feb 7, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B2275/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A small air-cooled internal combustion engine includes an aluminum cylinder block, an aluminum cylinder head welded to the aluminum cylinder block, and a weld securing the aluminum cylinder block to the aluminum cylinder head, wherein a joint having a first length is formed between the aluminum cylinder block and the aluminum cylinder head and wherein the weld extends for a second length that is at least 25% of the first length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.