Search International and National Patent Collections

1. (WO2015045003) BRUSHLESS WIPER MOTOR

Pub. No.:    WO/2015/045003    International Application No.:    PCT/JP2013/075712
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Wed Sep 25 01:59:59 CEST 2013
IPC: H02K 11/00
Applicants: MITSUBA CORPORATION
株式会社ミツバ
Inventors: KIMURA, Masaaki
木村 正秋
TANAKA, Hiroto
田中 裕人
IWAZAKI, Tamotsu
岩崎 保
Title: BRUSHLESS WIPER MOTOR
Abstract:
Rotary shaft magnets (first magnet, second magnet) (34) are provided on a section of a rotary shaft (33b), said section extending into a gear housing (41), and rotary shaft Hall ICs (first sensor, second sensor) (65a-65c) are arranged on a control board (60) inside the gear housing (41) so as to respectively face the rotary shaft magnets (34). A rotational position of the rotary shaft (33b) with respect to a stator (32), that is, a rotational position of a rotor (33) with respect to the stator (32), is detected by the respective rotary shaft Hall ICs (65a-65c), and a rotating speed of the rotary shaft (33b) is also detected by the respective rotary shaft Hall ICs (65a-65c).