To provide a new electric drive unit which suppresses deformation of a metal cover by reducing thickness of the metal cover and raising strength of the vicinity of an exposure hole to be formed at a bottom surface part of the metal cover, and an electric power steering device.SOLUTION: An electric drive unit comprises: an electronic control part provided at an end surface part of a motor housing 11 on the opposite side of an output part of a rotational axis of an electric motor; a connector assembly 13 provided on the opposite side of an end surface part 15 of the motor housing 11 of the electronic control part; and a metal cover 12 which covers the electronic control part from the outside, and comprises an exposure hole 42 for exposing an outside terminal formation part to the outside, a bottom surface part 44 which has an annular reinforcement projection part 46 to be formed at a peripheral edge of the exposure hole 42, and a side peripheral surface part 43 which is folded from the bottom surface part 44 and on which an opening 37 to be fixed to the end surface part of the motor housing is formed.SELECTED DRAWING: Figure 13
【課題】金属カバーの厚さを薄くすると共に、金属カバーの底面部に形成される露出孔付近の強度を高めて金属カバーの変形を抑制する新規な電動駆動装置及び電動パワーステアリング装置を提供する。【解決手段】電動モータの回転軸の出力部とは反対側のモータハウジング11の端面部に設けられた電子制御部と、電子制御部のモータハウジング11の端面部15と反対側に設けられたコネクタ組立体13と、電子制御部を外側から覆い、外部端子形成部を外部に露出させる露出孔42、及びこの露出孔42の周縁部に形成される環状補強突出部46を有する底面部44と、この底面部44から折り曲げられモータハウジングの端面部に固定される開口37を形成した側周面部43を備える金属カバー12を備えた。【選択図】図13
ELECTRIC DRIVE UNIT AND ELECTRIC POWER STEERING DEVICE
電動駆動装置及び電動パワーステアリング装置
2020-05-07
Patent
Electronic Resource
Japanese
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