Drive unit for double fan
US5258676A · kind A · utility
26Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | May 8, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K16/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a drive unit for a double fan consisting of two external rotor motors (1, 2) arranged alongside each other on a common motor shaft (3), wherein the external rotor motors (1, 2) are arranged with respect to each other in such a way that the poles of the stators (12) of the two motors (1, 2) and the poles of the rotors (7) of the two motors lie in mirror image symmetry with respect to each other with reference to a dividing plane X--X running between the two external rotor motors (1, 2) at right angles to the motor shaft (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.