Intake duct for internal combustion engine
US11199165B2 · kind B2 · utility
1Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2019 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Apr 7, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05C2225/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An intake duct for an internal combustion engine includes a pipe-shaped shell. The shell includes a first molded product and a second molded product. The first molded product is formed by a plastic molded product and includes an opening extending through the first molded product in the thickness direction. The second molded product is formed by a fiber molded product produced through compression molding. The second molded product includes an air-permeable fitting projection fitted into the opening, and the second molded product is joined with an outer surface of the first molded product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.