Double-layer blade ceiling fan capable of adjusting arrangement of blades
US12196214B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2024 |
| Grant date | Jan 14, 2025 |
| Priority date | — |
| Expiry date | Apr 11, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/364
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A double-layer blade ceiling fan capable of adjusting the arrangement of blades includes a motor and at least two blades. The motor has a stationary part and two rotating parts. The rotating parts are spaced apart from the stationary part. The rotating parts each have a plurality of mounting portions that are arranged around a central axis of the motor. The stationary part has an upper connecting portion and a lower connecting portion. The mounting portion is configured for connection of one of the blades. At least one of the blades is fixed to each of the rotating parts. The blades mounted to the rotating parts are selectively arranged in a same or different pattern for regulating air flow. When the blades and the rotating parts are rotated, the upper connecting portion and the lower connecting portion are not affected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.