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| Number | Title | Issue Date |
| 5023500 | Stator lamination with alignment structure for controlled skewing The stator laminations for a dynamoelectric machine may be first stacked in a concentric orientation and then skewed in a controlled manner after the stator is wound, with a pair of elliptically shaped alignment slots in each lamination holding a pair of ... | 06/11/1991 |
| 4940927 | Three-phase A-C speed control for variable torque motor A three-phase A-C speed controller for small integral and fractional horsepower motors includes a phase locked loop comprised principally of a phase comparator and voltage controlled oscillator to generate phase delayed trigger signals for energizing the ... | 07/10/1990 |
| 4885495 | Multi-piece amortisseur winding end plate An end plate for a squirrel cage amortisseur winding is made from four angular segments, each of the segments being of the same shape and size, the segments having portions thereof cut out along the annular inner surface and the outer edges to accommodate... | 12/05/1989 |
| 4879483 | Molded multi-part generator fan A multi-part molded plastic annular fan is formed from four pieces, each piece having upstanding fan blades and a number of integrally molded cylindrical metal sleeves through which bolts extend to mount the fan parts to a flywheel of an engine drive trai... | 11/07/1989 |
| 4614023 | Field coil for dynamoelectric machine The disclosure depicts a main field coil for use in a dynamoelectric machine. The main field coil has a support having a predetermined geometry and a solid strand electrical wire wound about the support. Coil head air vents of predetermined width are inne... | 09/30/1986 |
| 4599552 | Generator voltage regulator A voltage regulator circuit for a three phase AC generator includes an integrator circuit which integrates the voltage across each negative half cycle of generator output and compares it to a reference voltage to adjust the phase angle of an SCR circuit w... | 07/08/1986 |
| 4554475 | Field coil air vents for dynamoelectric machine A main field coil for use in a dynamoelectric machine has a support having a predetermined geometry and a solid strand electrical wire with a circular cross section wound about the support. Coilhead (end turn) air vents of predetermined width are interspa... | 11/19/1985 |
| 4465946 | Interlocking frame assembly for an electric motor stator A frame assembly for an electric motor stator is described. The frame includes at least three arcuate units for encircling a wound core of an electric motor stator. The assembly further includes a means for interlockingly engaging the arcuate units so tha... | 08/14/1984 |
| 4453118 | Starting control circuit for a multispeed A.C. motor This disclosure depicts a starting control circuit for a multispeed alternating current motor having at least two run windings and at least two start windings and a mechanical rotational output. The circuit comprises: an alternating current source; speed ... | 06/05/1984 |
| 4451775 | Motor/generator starting circuit A circuit for use with an induction generator. The circuit is arranged to initiate operation of the induction generator as a motor to bring the system up to operating speed and subsequently to rearrange the system automatically to cause the induction gene... | 05/29/1984 |
