Axial flow wind wheel and air conditioner
US11125238B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 17, 2019 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Jan 10, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/307
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present disclosure provides an axial flow wind wheel and an air conditioner, the axial flow wind wheel includes a wheel hub and a plurality of blades, the blades are arranged on the wheel hub at intervals, the blade includes a front blade edge and a rear blade edge arranged from front to back, and a top blade edge connecting to outer ends of the front blade edge and the rear blade edge, the top blade edge defines a cut surface inclining from a pressure surface to a suction surface of the blade, and the cut surface extends from the front blade edge to the rear blade edge, the cut surface includes an outer cut edge defined at the top blade edge, and an inner cut edge defined at the pressure surface, and the inner cut edge is defined to concave inwards and protrude outwards, forming a concave-convex shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.