Duct structure
US12017504B2 · kind B2 · utility
0Cited by
1References
5Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 8, 2021 |
| Grant date | Jun 25, 2024 |
| Priority date | — |
| Expiry date | Mar 19, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/20
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A duct structure having excellent sealing performance at a connection portion between a duct and a piping member. The duct structure includes a duct and a piping member. The duct includes an opening in a tubular portion, and the piping member includes a piping portion. The piping portion is inserted into the opening and connected to the duct, and a foam rubber sealing material is disposed in a compressed state between an outer peripheral surface of the piping portion and an edge of the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.