Axial fan
US12071953B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2022 |
| Grant date | Aug 27, 2024 |
| Priority date | — |
| Expiry date | Aug 26, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/056
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Provided is an axial fan including a pair of fan units, wherein each of the pair of fan units includes a rotor, a motor, and a housing, the rotor includes an impeller cup configured to rotate about a rotation axis, and a fan extending radially from the impeller cup, the motor is provided inside the impeller cup, the housing includes a housing portion housing the rotor, and a base portion supporting the motor, a connection portion is provided to an axial end surface of the base portion and on an inner peripheral side relative to the impeller cup, and the pair of fan units is connected to each other via the connection portions in a direction of the rotation axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.