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    • 14. 发明公开
    • Engine cooling fan
    • Brennkraftmaschinen-Kühllüfter。
    • EP0317186A2
    • 1989-05-24
    • EP88310631.2
    • 1988-11-11
    • JAGUAR CARS LIMITED
    • Bishop, Edward Timothy
    • F01P7/04F16D37/02H02N13/00
    • F01P7/04F16D37/008F16D37/02F16D2037/005
    • An engine cooling fan (11) includes a first member (12) adapted to be drivingly connected to the engine (27) and a second member (14) mounted rotatable relative to the first member (12), a series of fan blades (19) are provided on the second member (12), the first and second members (12, 14) having opposed parallel faces (16, 17) separated from one another, the space (23) between the faces (16, 17) being filled with a fluid the viscosity of which may be varied by applying a magnetic or electric field, the first and second members (12, 14) being arranged such that an electric or magnetic field may be applied therebetween. The electric or magnetic field is controlled by a control unit (35) in response to signals corresponding to coolant temperature and engine speed.
    • 发动机冷却风扇(11)包括适于驱动地连接到发动机(27)的第一构件(12)和相对于第一构件(12)可旋转安装的第二构件(14),一系列风扇叶片 )设置在所述第二构件(12)上,所述第一和第二构件(12,14)具有彼此分离的相对的平行面(16,17),所述面(16,17)之间的空间(23)被填充 具有可以通过施加磁场或电场来改变其粘度的流体,第一和第二构件(12,14)被布置成使得可以在其间施加电场或磁场。 响应于对应于冷却剂温度和发动机转速的信号,电场或磁场由控制单元(35)控制。
    • 20. 发明公开
    • Ball-ramp-actuated friction clutch activated via magnetically controlled shear
    • Reibungskupplung mit mittels magnetisch gesteuerter Scherung aktivierterKugelauflaufbetätigung
    • EP1167799A2
    • 2002-01-02
    • EP01115173.5
    • 2001-06-22
    • EATON CORPORATION
    • Stretch, Dale ArdenSpring, James Keving
    • F16D37/00F16D47/04
    • F16D47/04F16D37/02F16D2037/005
    • A particle clutch and a ball-ramp-actuated friction clutch controlled by the particle clutch. The particle clutch includes input and output couplings, the transfer of force therebetween being determined by the shear viscosity of a magnetically reactive medium, comprising magnetic particles or a magnetorheological fluid, which fills a gap between corresponding surfaces operably connected to the input and output couplings. The shear viscosity of the medium is variable by the application of a magnetic field. The output coupling is operably connected to one side of the ball-ramp actuator, such that a transfer of force between the input and output couplings causes a relative rotation in the actuator, initiating a camming action that compresses friction plates within the friction clutch for transfer of torque through the friction clutch.
    • 颗粒离合器(29)和由微粒离合器控制的球坡道致动摩擦离合器(33)。 颗粒离合器包括输入(35)和输出(43)联轴器,其之间的力传递由磁性反应介质的剪切粘度确定,填充了可操作地连接到输入和输出联轴器的相应表面之间的间隙(41) 。 介质的剪切粘度通过施加磁场而变化。 输出联轴器可操作地连接到球坡道致动器(31)的一侧,使得输入和输出联轴器之间的力传递导致致动器中的相对旋转,引起压缩摩擦板(65)的凸轮作用, 在摩擦离合器内用于通过摩擦离合器传递转矩。