Aufzugssystem, Permanentmagnetmotor dafür und Herstellungsverfahren für einen Permanentmagnetmotor

Details

Veröffentlichungs-Nr.

EP4661254

Aktenzeichen

EP25180130

Anmeldetag

2. Juni 2025

Veröffentlichung

10. Dezember 2025

Rechtsraum

EP

IPC

H02K1/278H02K15/035H02K29/03

Abstract

The present invention provides an elevator system, a permanent magnet motor therefor, and a manufacturing method for a permanent magnet motor. The permanent magnet motor comprises: a stator; and a rotor coupled to the stator, wherein the rotor comprises a rotor shaft and a permanent magnet assembly mounted to the rotor shaft, the permanent magnet assembly comprising: a support member; and a plurality of magnet units attached to the support member along a circumference of the support member, each magnet unit comprising: a first portion made of a first material and second portions made of a second material located on both sides of the first portion in a circumferential direction, where the first portion has a greater remanence than that of the second portion. The device and method according to the embodiments of the present invention can reduce the cost of permanent magnet motors.

Anmelder

Firma

Otis Elevator Company

Land

🇺🇸 USA

Fachgebiete