ROTOR, MOTOR, COMPRESSOR, AND REFRIGERATION AND AIR-CONDITIONING DEVICE
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Applicant
Mitsubishi Electric Corporation
Representative
Meinig & Partner mbB Pfenning
Application number
EP18938352A1
Kind
A1
Document number
3876395
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ROTOR, MOTOR, COMPRESSOR, AND REFRIGERATION AND AIR-CONDITIONING DEVICE

3876395 - EP18938352A1 - EPO

Application Oct 30, 2018 - Publication Sep 08, 2021

ISHIKAWA Atsushi

Abstract

A rotor (2) includes an electromagnetic steel sheet (20), a first permanent magnet (22), and a second permanent magnet (22). The electromagnetic steel sheet (20) includes a first magnet insertion hole (211) and a second magnet insertion hole (212) that are arranged in a V shape, and also includes a center rib (213) between the first magnet insertion hole (211) and the second magnet insertion hole (212). The rotor (2) satisfies T ≤ W1 ≤ 2 × T ≤ W2, where T is a thickness of the electromagnetic steel sheet (20), W1 is a minimum width of the center rib (213), and W2 is a maximum width of the center rib (213).

Description

Claims

Patent References

Patent Publication Date Title
JP2017192211A N/A N/A
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