Tubular induction motor with two directions of rotation for home-automation applications
US8330309B2 · kind B2 · utility
0Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2010 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Oct 6, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2207/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Tubular induction motor with two directions of rotation contained in a tube of a tubular actuator designed to be installed in a building. The tubular induction motor includes a squirrel cage rotor supported by bearings and a stator including a stack of metal laminations forming a central bore and centered in the tube, wherein a support part of a bearing is centered in the central bore, wherein the bearing is of the plain and conductor type and wherein it is placed as close as possible to a short-circuiting ring of the rotor, preferably less than 2 mm, and preferably less than 1 mm away.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.