Patent · US Active

Rotor manufacturing method

US11271459B2 · kind B2 · utility

2Cited by
28References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2017
Grant dateMar 8, 2022
Priority date
Expiry dateOct 26, 2037

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K2103/172
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A rotor manufacturing method that includes stacking a plurality of electromagnetic steel sheets; and welding the plurality of electromagnetic steel sheets by moving a welding head relative to the plurality of electromagnetic steel sheets that are stacked in a state in which the welding head is inclined at a predetermined angle with respect to a stacking surface of the electromagnetic steel sheets so that a molten portion passes through at least one of the electromagnetic steel sheets.

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