×

Stator for a multiple-pole dynamoelectric machine and method of fabricating same

  • US 4,520,287 A
  • Filed: 05/23/1983
  • Issued: 05/28/1985
  • Est. Priority Date: 10/27/1981
  • Status: Expired due to Term
First Claim
Patent Images

1. A stator for a multiple-pole dynamoelectric machine comprising a core of a stack of laminations of suitable ferromagnetic material, said core having a central bore extending therethrough and a plurality of blind slots extending radially outwardly from said bore, said slots being substantially equally angularly spaced about said bore, an auxiliary winding divided into a first auxiliary winding coil set and a second auxiliary winding coil set, and a main winding divided into a first main winding coil set and a second main winding coil set, each of said coil sets being constituted by a respective skein of a suitable magnet wire of petalled, serpentine shape defining a plurality of coils with each coil having a multiplicity of turns of said magnet wire therein and with each coil having a first and a second end turn and a pair of straight coil sections between each of the end turns, said core having a first straight coil section of a first coil of a first of said coil sets inserted in a first slot of said core and the next straight coil section of said first coil of said first coil set being inserted in the third slot of said core, the remainder of the straight coil sections of said first coil set being inserted in the fifth, seventh, . . . , and next to last slots of said core, said straight coil sections of a second coil set being inserted in said second, fourth, sixth, . . . , and last slots of said core, said straight coil sections of a third coil set being inserted in the third, fifth, seventh, . . . , and first slots of said core, and the coil sections of a fourth coil set being inserted in the fourth, sixth, eighth, . . . , and second slots of said core, said coil sets being electrically connected for operation of said dynamoelectric machine.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×