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| Number | Title | Issue Date |
| 6822368 | Rotary permanent magnet electric motor having stator pole shoes of varying dimensions Rotary permanent magnet motors have salient stator poles with nonuniform pole thickness in the radial direction for compensating effects of cogging torque. Pole base portions terminate at pole shoes at the radial air gap. The pole shoes extend in the circumferential... | 11/23/2004 |
| 6384496 | Multiple magnetic path electric motor A rotary electric motor in which a stator comprises a first number of permanent magnet poles substantially similar to each other in configuration and spaced substantially equidistantly with alternating polarity along a radial air gap, and a rotor that com... | 05/07/2002 |
| 6376957 | Alternating current machine A generator or a 3-phase motor is arranged to provide multipolar permanent magnet excitation in combination with multipolar reluctance distribution wherein different numbers of poles are used for the permanent magnet excitation and for the reluctance dist... | 04/23/2002 |
| 6359354 | Watertight brushless fan motor It is the object of the present invention to provide a long-life brushless fan motor which can be used for a long time in the environmental conditions in which water containing oil mist is splashed on the fan motor. A stator 1, a circuit substrate 4 inclu... | 03/19/2002 |
| 5742110 | DC motor magnetic circuit configuration with high flux density A DC motor magnetic circuit configuration having reduced flux leakage and improved flux density that leads to greater motor efficiency and a higher motor constant. In one embodiment of the invention, and improved permanent magnet DC motor is provided that... | 04/21/1998 |
