Patent · US Expired

Brushless direct current motor

US7132773B2 · kind B2 · utility

2Cited by
2References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 14, 2005
Grant dateNov 7, 2006
Priority date
Expiry dateJun 14, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K1/148
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A direct current motor having a stator that has a plurality of radially arranged stator pole bridges to each of which one phase is allocated, at least one stator pole group being formed by at least two adjoining stator poles which are associated with the same phase, no winding sections being provided between the stator poles of the at least one stator pole group and the respective stator pole bridges of this stator pole group being disposed with a smaller spacing between each other than two adjoining stator pole bridges that are associated with different phases.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.