PROBLEM TO BE SOLVED: To reduce a space occupied by an electric motor as much as possible.SOLUTION: A brushless DC electric motor is for an automobile wiper system including a rotor (2) with a multipolar magnet (5). The multipolar magnet (5) is mounted to be rotated and driven around a rotary shaft (L) and includes at least three multipolar axial layers. A motor (1) includes a device (8) for determining the position of the rotor including at least three position sensors (9). Each sensor (9) is associated with one of the axial layers (7). The sensors 9 are installed in a plane (P) including a direction parallel to a rotary shaft of the multipolar magnet (5) while being aligned with each other. A central sensor is mounted to be center-aligned with a central layer in an axial direction. At least one of two end position sensors is removed from a center in the axial direction with respect to a related end layer.SELECTED DRAWING: Figure 1

    【課題】電気モータによって占められる空間をできる限り減らすこと。【解決手段】多極磁石(5)を備えるロータ(2)を含む自動車のワイパーシステムのためのブラシレスDC電気モータに関し、多極磁石(5)は、回転軸(L)を中心に回転駆動されるように取り付けられるとともに、少なくとも3つの多極アキシャル層を備え、モータ(1)は、少なくとも3つの位置センサ(9)を含むロータの位置を決定するための装置(8)を備え、各センサ(9)がそれぞれ前記アキシャル層(7)のうちの1つと関連付けられ、センサ(9)は、互いに対して整列されつつ多極磁石(5)の回転軸と平行な方向を含む平面(P)内に設置され、中央センサは、それが中央層に対して軸方向で中心合わせされるように取り付けられ、2つの端部位置センサのうちの少なくとも一方は、関連する端部層に対して軸方向で中心から外される。【選択図】図1


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    Title :

    BRUSHLESS DC ELECTRIC MOTOR FOR AUTOMOBILE WIPER SYSTEM


    Additional title:

    自動車ワイパーシステムのためのブラシレスDC電気モータ


    Contributors:

    Publication date :

    2018-05-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



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