Patent · US Expired

Method of manufacturing a curved component of a magnetic circuit

US4102040A · kind A · utility

79Cited by
7References
22Claims
0Family size

Assignees

Inventor

Key dates

Filing dateJul 1, 1976
Grant dateJul 25, 1978
Priority date
Expiry dateJul 1, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49078
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Identical strips of magnetic metal having alternating slots and pole teeth long one edge are cut from sheet material in a pattern minimizing waste of metal, stacked, and bent into a cylinder or sector of a cylinder. The ends of the stacks are then fastened together to form a rotor or stator.

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