Title:
GALVANOMETER SCANNER
Document Type and Number:
WIPO Patent Application WO/2023/188430
Kind Code:
A1
Abstract:
A galvanometer scanner (1) is provided with: a rotor (7) having a permanent magnet (6) in which circumferentially differing magnetic poles are formed alternately, and a rotational shaft (4) disposed on both sides axially with respect to the permanent magnet (6); a stator (13) having a stator core (12), and a plurality of coils (9) that are disposed on the inner-diameter side of the stator core (12) and on the outer-diameter side of the rotor (7) with a gap (20) therebetween, and that have a central hole (9a) which is a space; and a galvanometer mirror (14) coupled to the rotational shaft (4) of the rotor (7). The stator (13) is provided with a detouring path (8), which is a magnetic component disposed: in a location corresponding to at least one axial end of the permanent magnet (6); on the inner side of the plurality of coils (9); and on the inner-diameter side of the stator core (12).
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Inventors:
MORI TAKESHI (JP)
TAKAHASHI TEIJI (JP)
TAKAHASHI TEIJI (JP)
Application Number:
PCT/JP2022/016998
Publication Date:
October 05, 2023
Filing Date:
April 01, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/2726
Foreign References:
| JP2011175009A | 2011-09-08 | |||
| JPS62119182U | 1987-07-29 | |||
| JP2015070786A | 2015-04-13 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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