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    • 1. 发明申请
    • ELECTRIC MOTOR WITH A RETRACTABLE SHAFT
    • 具有可回缩轴的电动马达
    • US20080157702A1
    • 2008-07-03
    • US11956526
    • 2007-12-14
    • MARTIN R. PAISSHUMIN CHENGDETLEF SCHMIDT
    • MARTIN R. PAISSHUMIN CHENGDETLEF SCHMIDT
    • H02K33/02F03G1/10H02K7/065
    • H02K7/125H02K7/061
    • An electric motor (100) for controlling the lateral displacement of a shaft (114) connected to a rotor (104) of the electric motor (100) is provided. The electric motor (100) includes one or more stator conductors (106) for carrying a current and one or more permanent magnets (108) to produce a magnetic field (504). The one or more stator conductors (106) interact with the magnetic field (504) when the power is applied, to purposely generate a force with an axial (Fa) and a circumferential component (Fc). The electric motor (100) includes the shaft (114) that travels along a rotor axis (506) in an axial direction when the power is applied, under an action of the axial component of the force. However, when the power is removed, the shaft (114) retracts under the action of a biasing force from a tension device (118).
    • 提供一种用于控制连接到电动机(100)的转子(104)的轴(114)的横向位移的电动机(100)。 电动机(100)包括用于承载电流和一个或多个永磁体(108)以产生磁场(504)的一个或多个定子导体(106)。 当施加电力时,一个或多个定子导体(106)与磁场(504)相互作用,以有意地产生具有轴向(Fa)和周向分量(Fc)的力。 电动机(100)包括在力的轴向分量的作用下沿着转子轴线(506)在轴向方向上施加电力的轴(114)。 然而,当动力消除时,轴(114)在来自张紧装置(118)的偏置力的作用下缩回。