patent · US7196446
Rotor for an electric motor
27 March 2007
Indexed reference — no copy held
This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.
Abstract
The invention relates to a rotor for an electric motor comprising an essentially cylindrical rotor core having a central aperture, and comprising permanent magnets which are embedded in the rotor core and extend essentially like spokes through the rotor core, the radially inner ends of selected adjacent permanent magnets being magnetically coupled by at least one auxiliary magnet.
Provenance
- Collection
- Cited prior art
- Original PDF
- patentimages.storage.googleapis.com →
- Filed
- 2004-04-23
- Source
- Google Patents bibliographic record
- Granted
- 2007-03-27
- Inventors
- Helmut Hans; Minebea Co Ltd