Verbesserter Magnetischer Schaltkreis

Details

Veröffentlichungs-Nr.

EP2733834

Aktenzeichen

EP13193077

Anmeldetag

15. November 2013

Veröffentlichung

15. Juni 2016

Erteilung

15. Juni 2016

Rechtsraum

EP

IPC

F04B43/04H02K41/035

Abstract

A magnetic circuit for a voice coil, comprising, a magnet cup which has a one sided open cylindrical shape with a base. The base has an inner surface. The magnetic circuit further includes a conical magnet which has a side with an at least partial conical shape. The magnetic circuit also includes a pole shoe which has a side with a recessed conical shape corresponding to the conical shape of said magnet. The magnet cup, the conical magnet and the pole shoe are stacked so that the conical magnet is centrally arranged on the base inside said magnet cup, the pole shoe is arranged on the conical magnet so that the side with a recessed conical shape of the pole shoe is in contact with the side with a conical shape of the conical magnet, said stack is arranges such that an air gap is obtained between an inner wall surface of the magnet cup and the stacked conical magnet and the pole shoe

Anmelder

Firmen

Shenzhen Mindray Bio-Medical Electronics Co., Ltd.
Mindray Medical Sweden AB

Land

🇨🇳 China

Fachgebiete