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Rotary electric device
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 1979 |
| Description | An electric motor is described with a low speed shaft that rotates at a speed much slower than the speed of a high speed shaft. It is comprised of a stator having a cylindrical bore with a longitudinal axis and a rotor that carries the low speed shaft which rotates in the bore eccentrically about the axis. There is contact and no magnetic gap between a relatively small portion of the rotor periphery and the periphery of the bore. A magnetic field, rotating at the speed of the high speed shaft, is applied to the periphery of the bore. The field has longitudinally extending magnetic field components of opposite polarity so that around approximately 180 deg of the bore the field extends in one direction, while around the other 180 deg of the bore the field extends in the opposite direction. The rotor includes permanent magnet pole faces at opposite ends of the bore. |
| File Size | 844245 |
| Page Count | 8 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19790012143 |
| Archival Resource Key | ark:/13960/t7bs3kw2j |
| Language | English |
| Publisher Date | 1979-02-27 |
| Access Restriction | Open |
| Subject Keyword | Electronics And Electrical Engineering Electromechanical Devices Current Regulators Stators Polarity Electromagnets Speed Control Magnetic Fields Magnetic Poles Electric Motors Rotating Shafts Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Patent |
