Rotor blade set of an electric motor
US9306422B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2014 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Jun 23, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2201/09
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor blade set for an electric motor, having a plurality of axially assembled multi-part and/or single-part blades having circle segment shaped blade sections, between which radial and circumferentially open recesses are formed for receiving a respective magnet, wherein a predeterminable number of blade sections of the single-part or multi-part blades have at least one azimuthal clip on the circle radius, which clip bends axially during the insertion of the corresponding magnet into the respective recess, and wherein the circle segment-shaped blade sections of the single-part or multipart blades have at least one notch on the circle radius, in which notch a corresponding clip of a blade section of an axially spaced blade engages following the axial bending.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.