To inhibit diffusion of abrasion powder generated to inhibit harmful effect on peripheral devices in a pulley and a power transmission device and an electric power steering device.SOLUTION: A pulley includes: a pulley body 31 forming a ring shape; multiple tooth parts 32 which are provided on an outer peripheral surface of the pulley body 31 at a predetermined interval in a circumferential direction; flange parts 33, 34 provided at an end part of the pulley body 31 as seen in an axial direction; and passages 35, 36 in which one end part communicates with tooth grooves 32a provided between the multiple tooth parts 32 and the other end part opens at the axis O1 side of the flange parts 33, 34.SELECTED DRAWING: Figure 3

    【課題】プーリ及び動力伝達装置並びに電動パワーステアリング装置において、発生した摩耗粉の拡散を抑制することで周辺機器への悪影響を抑制する。【解決手段】リング形状をなすプーリ本体31と、プーリ本体31の外周面に周方向に所定間隔で設けられる複数の歯部32と、プーリ本体31の軸心方向における端部に設けられるフランジ部33,34と、一端部が複数の歯部32の間に設けられる歯溝32aに連通して他端部がフランジ部33,34の軸心O1側に開口する流路35,36とを備える。【選択図】図3


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    Title :

    PULLEY AND POWER TRANSMISSION DEVICE AND ELECTRIC POWER STEERING DEVICE


    Additional title:

    プーリ及び動力伝達装置並びに電動パワーステアリング装置


    Contributors:

    Publication date :

    2020-02-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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