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    • 3. 发明专利
    • Steering device
    • 转向装置
    • JP2007230549A
    • 2007-09-13
    • JP2007047690
    • 2007-02-27
    • Zf Lenksysteme Gmbhツェットエフ、レンクジステメ、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツングZf Lenksysteme Gmbh
    • BUDAKER MARTINGUENTHER BREULAY ANDREASHASENCLEVER JOHNHAUCK MICHAEL
    • B62D5/04F16H25/20
    • B62D5/0427F16H2025/2096
    • PROBLEM TO BE SOLVED: To improve a steering device having a hollow shaft type electric motor and an intermediate transmission device such that the steering device can be manufactured compactly and inexpensively.
      SOLUTION: A rod 5 is guided via a hollow shaft 4 of the electric motor 1. The hollow shaft 4 is firmly jointed to an outer contour face 9 for driving used for transmitting torque to the intermediate transmission device. The position of the axial line of a first transmission wheel 11 of the intermediate transmission device is immovable with respect to a case 6 of the device, and the outer contour face of the first transmission wheel 11 is used for torque transmission. In a screw transmission device, its screw is formed on the rod 5, and its nut 16 is driven by the intermediate transmission device. A second transmission wheel 13 having the outer contour face transmitting torque is firmly joined to the first transmission wheel 11 and forms a component part of the intermediate transmission device. The intermediate transmission device is used to transmit output torque to the outer contour face 15 firmly jointed to the nut 16.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了改善具有中空轴型电动机和中间传动装置的转向装置,使得转向装置可以紧凑且廉价地制造。 解决方案:杆5经由电动机1的中空轴4引导。中空轴4牢固地接合到用于向中间传动装置传递扭矩的驱动用的外轮廓面9。 中间传动装置的第一传动轮11的轴线的位置相对于装置的壳体6是不可移动的,并且第一传动轮11的外轮廓面用于扭矩传递。 在螺杆传动装置中,其螺杆形成在杆5上,其螺母16由中间传动装置驱动。 具有外轮廓面传递扭矩的第二传动轮13牢固地接合到第一传动轮11并形成中间传动装置的部件。 中间传动装置用于将输出扭矩传递到牢固地连接到螺母16的外轮廓面15上。版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Method for operating electric motor
    • 电动马达操作方法
    • JP2014148303A
    • 2014-08-21
    • JP2014014622
    • 2014-01-29
    • Zf Lenksysteme Gmbhツェットエフ、レンクジステメ、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツングZf Lenksysteme Gmbh
    • THOMAS KUEHNHOEFERALEXANDER KRAUSTRUNK
    • B62D6/00B62D5/04B62D101/00B62D119/00H02P6/12
    • H02P7/00B62D5/0463B62D5/0496H02P29/64H02P29/662
    • PROBLEM TO BE SOLVED: To provide a method for protecting magnet elements of an electric motor from temperature-dependent demagnetization during operation.SOLUTION: The present invention is a method for operating an electric motor (9) which is used as an electric servo drive (8) in a power steering system (1). The electric motor (9) is utilized via a plurality of magnet elements and phase windings and controlled by an electronic control unit (11). A temperature(θ) of at least one magnet element (9a) in the plurality of magnet elements of the electric motor (9) is continuously determined during the operation of the electric motor (9) by a temperature model (13). Based on the temperature (θ) of the at least one magnet element (9a) of the electric motor (9) determined by the temperature model (13), an electrical current (I) flowing in at least one of the phase windings of the electric motor (9) is limited, taking into account a predeterminable limit temperature (θ) of the at least one magnet element (9a) of the electric motor (9).
    • 要解决的问题:提供一种用于在运行期间保护电动机的磁体元件免受温度依赖的退磁的影响。解决方案:本发明是一种用于操作电动机(9)的方法,该电动机用作电动伺服驱动器 在动力转向系统(1)中。 电动机(9)经由多个磁体元件和相绕组使用,并由电子控制单元(11)控制。 通过温度模型(13)在电动机(9)的操作期间连续地确定电动机(9)的多个磁体元件中的至少一个磁体元件(9a)的温度(& 基于由温度模型(13)确定的电动机(9)的至少一个磁体元件(9a)的温度(θ),流过至少一个相绕组的电流(I) 考虑到电动机(9)的至少一个磁体元件(9a)的可预定极限温度(&),电动机(9)受到限制。