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1. 发明公开

EP4023530A1 IMPROVED ELECTRIC POWER STEERING DRIVING MODULE 审中-实审
公开(公告)号：EP4023530A1
公开(公告)日：2022-07-06
申请号：EP20857806.2
申请日：2020-04-26
申请人： Bosch Huayu Steering Systems Co., Ltd.
发明人： CHEN, Haiming
IPC分类号： B62D5/04
摘要： An electric power steering driving module, comprising: a motor (1), an electronic control unit base (3), an electronic control unit circuit board assembly (9) and a magnet. The electronic control unit base comprises a guide groove, a magnet mounting through hole, a capacitor mounting hole, an inductor mounting hole and an electronic control unit connector slot. The electronic control unit circuit board assembly comprises: an electronic control unit circuit board, a guide device, a Rotor Position Sensor chip, a capacitor, an inductor and an electronic control unit connector. A motor shaft (22) passes through the magnet mounting through hole; the magnet is sleeved on the tail end of the motor shaft, and the capacitor is tightly mounted in the capacitor mounting hole; the inductor is tightly mounted in the inductor mounting hole, and the electronic control unit connector closely fits the electronic control unit connector slot. The driving module simplifies the motor structure by means of an integrated structure, thereby saving on costs. Also provided is an electronic assisted steering system and a vehicle.

2. 发明公开

EP4005901A1 BEARING BUSHING, PRELOAD STRUCTURE, HOUSING OF TRANSMISSION MECHANISM, AND ASSEMBLING STRUCTURE OF WORM GEAR AND WORM 有权
公开(公告)号：EP4005901A1
公开(公告)日：2022-06-01
申请号：EP20846201.0
申请日：2020-06-05
申请人： Bosch Huayu Steering Systems Co., Ltd.
发明人： PAN, Yishan , DONG, Hang , JIANG, Zhuo , HUA, Dandan , FENG, Xinghui , CHEN, Haiming , LI, Shan , TANG, Meng , QIAN, Jiemiao
IPC分类号： B62D3/04 , B62D5/04 , F16H55/24
摘要： A bearing bushing, comprising: a bushing body and a buffer member fixed therein. The buffer member comprising a spring piece. The spring piece is provided on the top of the bushing body, and comprises an extending part and a fixed part. The extending part obliquely extends downward from two opposite sides of the fixed part. The bearing bushing provides a special preload force for the deformation of the fixed part by means of the extending part of the spring piece so as to enhance the robustness of the preload design, reduce the friction torque, and reduce the engaging noise of the worm gear and the worm in different working situations. Also disclosed are a preload structure, a housing of a transmission mechanism, and an assembling structure of a worm gear and a worm.

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