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Star connected rotor

  • US 6,617,742 B2
  • Filed: 06/29/2001
  • Issued: 09/09/2003
  • Est. Priority Date: 06/30/2000
  • Status: Expired due to Fees
First Claim
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1. A star connected wound rotor for a miniature electric motor comprising:

  • a shaft;

    an armature core fitted to the shaft and having a plurality of armature poles;

    a commutator having a plurality of commutator segments for making sliding contact with a brush assembly, the commutator being fitted to the shaft adjacent a first end of the armature core;

    a star connector; and

    a plurality of coils forming an armature winding, each coil being wound around an armature pole and being terminated on a segment of the commutator and on the star connector, the star connector comprising a base of insulating material fitted to the shaft adjacent a second end of the armature core and a terminal ring of conductive material radially spring-fitted to the base and having a number of terminals connected to the coils, thereby forming a star connected armature winding.

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