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公开(公告)号：US5896965A
公开(公告)日：1999-04-27
申请号：US867640
申请日：1997-06-02
申请人： Swaminathan Gopalswamy , Samuel Miller Linzell , Gary Lee Jones , William Charles Kruckemeyer , Gary Lee Johnston
发明人： Swaminathan Gopalswamy , Samuel Miller Linzell , Gary Lee Jones , William Charles Kruckemeyer , Gary Lee Johnston
CPC分类号： F16D37/02 , F16D2037/007
摘要： A magnetorheological fluid fan clutch effects modulated rotational motion transmission between a rotatable input shaft carrying an input clutch plate and a housing having a front cover and a rear cover forming a cavity about the input clutch plate wherein the front and rear covers operate as output clutch plates. A nonmagnetic spacer is positioned between the front and rear covers and radially outside the input clutch plate. A bearing supports the housing on the input shaft through the rear cover so that the input clutch plate is rotatable on the input shaft relative to the housing. Magnetorheological fluid is carried in the cavity, through which torque is variably transferred between the input clutch plate and the housing. A coil is positioned radially outside the nonmagnetic spacer and carries a variable electrical current to effect a variable magnetic field across the input clutch plate and through the magnetorheological fluid providing modulated torque transmission between the input clutch plate and the housing.
摘要翻译： 磁流变流体风扇离合器在承载输入离合器片的可旋转输入轴与具有前盖和后盖之间形成围绕输入离合器片的空腔的壳体之间实现调制旋转运动传递，其中前后盖用作输出离合器片 。 一个非磁性垫片定位在前盖和后盖之间，并且在输入离合器板的径向外侧。 轴承通过后盖支撑输入轴上的壳体，使得输入离合器片相对于壳体可在输入轴上旋转。 磁流变流体承载在空腔中，扭矩在输入离合器板和壳体之间可变地传递。 线圈位于非磁性间隔件的径向外侧，并承载可变电流，以在输入离合器板上通过可变磁场，并通过磁流变流体在输入离合器板和壳体之间提供调制的扭矩传递。
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公开(公告)号：US5896964A
公开(公告)日：1999-04-27
申请号：US867623
申请日：1997-06-02
申请人： Gary Lee Johnston , William Charles Kruckemeyer , Michael Leslie Oliver , Swaminathan Gopalswamy , Samuel Miller Linzell , Gary Lee Jones
发明人： Gary Lee Johnston , William Charles Kruckemeyer , Michael Leslie Oliver , Swaminathan Gopalswamy , Samuel Miller Linzell , Gary Lee Jones
CPC分类号： F16D37/02 , F16D2037/002 , F16D2037/005
摘要： A split rotor cooling fan clutch includes an input member that is constantly driven at engine speed, or at some selected proportion thereof. An output member is journaled on the input member so as to be supported thereon in a substantially nonrotating state when decoupled and alternately, to be concentrically rotatable in concert therewith at a variety of speeds. A space presented between the input and output members contains a quantity of magnetorheological fluid. An engagement mechanism includes the split rotor and coil, with a ferromagnetic element positioned to define an operative gap between the rotor and the ferromagnetic element. The coil is selectively energized with a given current to result in a torque transfer between the input and output elements that provides a rotational speed of the fan tailored to the cooling requirements of the associated engine. Internal heat generation is managed electronically to prevent overheating.
摘要翻译： 分体式转子冷却风扇离合器包括以发动机速度或其某些选定比例恒定驱动的输入构件。 输出构件被记录在输入构件上，以在被解耦的情况下以基本上非旋转的状态支撑在其上，并且交替地以各种速度与其一致地同心地旋转。 在输入和输出构件之间呈现的空间包含一定量的磁流变流体。 接合机构包括分离转子和线圈，其中铁磁元件被定位成限定转子和铁磁元件之间的可操作的间隙。 线圈被选择性地以给定的电流通电以导致在输入和输出元件之间的转矩传递，其提供根据相关联的发动机的冷却要求定制的风扇的转速。 内部发热是以电子方式进行管理，以防止过热。
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公开(公告)号：US5845752A
公开(公告)日：1998-12-08
申请号：US867638
申请日：1997-06-02
CPC分类号： F16D37/02 , F16D2037/002
摘要： A magnetorheological fluid fan clutch effects modulated rotational motion transmission between a rotatable input shaft carrying an input clutch plate and a housing having a front cover and a rear cover forming a cavity about the input clutch plate wherein a core carried in the front and rear covers operates as output clutch plates. Bearings support the housing on the input shaft through the front and rear covers so that the input clutch plate is rotatable on the input shaft relative to the housing. Magnetorheological fluid is carried in the cavity, through which torque is variably transferred between the input clutch plate and the housing. A coil is positioned radially outside the non-magnetic spacer and carries a variable electrical current to effect a variable magnetic field across the input clutch plate and through the magnetorheological fluid providing modulated torque transmission between the input clutch plate and the core.
摘要翻译： 磁流变流体风扇离合器在承载输入离合器片的可旋转输入轴和具有前盖和后盖的壳体之间实现调制旋转运动传递，该盖与输入离合器板形成为腔体，其中承载在前盖和后盖中的芯操作 作为输出离合器片。 轴承通过前盖和后盖支撑在输入轴上的壳体，使得输入离合器片相对于壳体可在输入轴上旋转。 磁流变流体承载在空腔中，扭矩在输入离合器板和壳体之间可变地传递。 线圈位于非磁性间隔件的径向外侧，并且承载可变电流以在输入离合器板两端实现可变磁场，并通过磁流变流体在输入离合器片和芯之间提供调制的扭矩传递。
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