Axial fan
US12203487B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2023 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | Jul 7, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/522
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Provided is an axial fan including: an impeller cup including a blade extending in a radial direction; a motor configured to rotate the impeller cup; and a housing accommodating the impeller cup and the motor. The housing includes: a casing portion covering an outer periphery of the impeller cup; a base portion supporting the motor; and a spoke portion connecting the base portion and the casing portion. A vibration restraining portion is provided in a portion, which is connected to the spoke portion, of an outer peripheral portion of the base portion, and the vibration restraining portion has lower stiffness than the other portion of the outer peripheral portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.