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    • 6. 发明公开
    • Vehicle longitudinal frame-rail crush control system and method
    • 系统和方法,用于控制车辆的纵向部件的压缩
    • EP0926049A3
    • 2001-03-14
    • EP98203990.1
    • 1998-11-25
    • GENERAL MOTORS CORPORATION
    • Browne, Alan LampeJones, Gary Lee
    • B62D21/15
    • B62D21/152B60R2019/007B60R2021/0009
    • A crush control system for controlling the crush of spaced vehicle side composite structural rails 22a, 24a in the event of either a full frontal impact or an offset frontal impact includes a crush controller 32a for each side rail. An actuator 60 is provided to move crush initiators 48 between an inoperative position, which will cause an uncontrolled crush of the rail, and a deployed operative position, which will cause a controlled crush of the rail at half the crush force as an uncontrolled crush. In one embodiment each crush controller is normally inoperative and is controlled by a sensor 72 for each located on the opposite side of the vehicle to become operative when the sensor 72 is impacted. The crush initiators 48 may take the form of a radiused wedge 42 or a knife cutter 106, and the actuator 60 maintains the crush initiators 48 in deployed position to sustain the controlled crush. In another embodiment sensors 72 on both sides control each crush controller 32a which is normally operative, with a circuit logic to cause a crush controller 32a to become inoperative in an offset frontal impact on the same side of the vehicle, while maintaining a crush controller 32a operative in the event of a full frontal impact.
    • 7. 发明公开
    • Vehicle longitudinal frame-rail crush control system and method
    • 系统与Verfahren zur Kontrolle desZusammendrückensvonFahrzeuglängsträgern
    • EP0926049A2
    • 1999-06-30
    • EP98203990.1
    • 1998-11-25
    • GENERAL MOTORS CORPORATION
    • Browne, Alan LampeJones, Gary Lee
    • B62D21/15
    • B62D21/152B60R2019/007B60R2021/0009
    • A crush control system for controlling the crush of spaced vehicle side composite structural rails 22a, 24a in the event of either a full frontal impact or an offset frontal impact includes a crush controller 32a for each side rail. An actuator 60 is provided to move crush initiators 48 between an inoperative position, which will cause an uncontrolled crush of the rail, and a deployed operative position, which will cause a controlled crush of the rail at half the crush force as an uncontrolled crush. In one embodiment each crush controller is normally inoperative and is controlled by a sensor 72 for each located on the opposite side of the vehicle to become operative when the sensor 72 is impacted. The crush initiators 48 may take the form of a radiused wedge 42 or a knife cutter 106, and the actuator 60 maintains the crush initiators 48 in deployed position to sustain the controlled crush. In another embodiment sensors 72 on both sides control each crush controller 32a which is normally operative, with a circuit logic to cause a crush controller 32a to become inoperative in an offset frontal impact on the same side of the vehicle, while maintaining a crush controller 32a operative in the event of a full frontal impact.
    • 在完全正面碰撞或偏移正面碰撞的情况下,用于控制间隔的车辆侧复合结构轨道22a,24a的挤压控制系统包括用于每个侧轨的挤压控制器32a。 提供致动器60以将挤压引发器48移动在非操作位置,其将导致轨道的不受控制的挤压以及部署的操作位置,这将导致作为不受控挤压的挤压力的一半的受控的轨道挤压。 在一个实施例中,每个挤压控制器通常不工作,并且由位于车辆相对侧上的每个挤压控制器由传感器72控制,以在传感器72受到冲击时变得可操作。 挤压引发器48可以采取半圆形楔形物42或刀具切割器106的形式,并且致动器60将挤压引发器48保持在展开位置以维持受控挤压。 在另一实施例中,两侧的传感器72通过电路逻辑控制每个通常操作的挤压控制器32a,使得挤压控制器32a在车辆的同一侧以偏移正面碰撞的方式不起作用,同时保持挤压控制器32a 在完全正面影响的情况下进行操作。
    • 8. 发明公开
    • Magnetorheological transmission clutch
    • 磁力学学报Getriebekupplung
    • EP0879973A1
    • 1998-11-25
    • EP98201352.6
    • 1998-04-27
    • GENERAL MOTORS CORPORATION
    • Gopalswamy, SwaminathanJones, Gary Lee
    • F16D37/02
    • F16D37/02F16D2037/007
    • A magnetorheological clutch for controllable torque transmission includes a housing (31) defining a cavity (35) with a rotary input element (27) carrying at least one input clutch plate (76) extending in the cavity. A rotary output element (28) carrying at least one output clutch plate (69) extends into the cavity adjacent the input clutch plate with a gap defined between the input clutch plate and the output clutch plate. A core (16) formed of magnetically permeable material is carried by the housing. A coil (12) effective to establish an electromagnetic field is carried near the core. Magnetorheological fluid is carried in the cavity within the gap and is responsive to the electromagnetic field that is established by the coil through the core so that torque is transferred from the input clutch plate to the output clutch plate through the magnetorheological fluid. Heat expansion of the magnetorheological fluid is accommodated by a thermal expansion chamber (88).
    • 离合器包括壳体,其限定具有旋转输入元件的空腔,该输入元件承载在空腔中径向延伸的至少一个输入离合器板。 承载至少一个输出离合器片的旋转输出元件在输入离合器板和输出离合器片之间限定的间隙径向延伸到邻近输入离合器片的空腔中。 由导磁材料形成的芯体具有径向延伸穿过壳体的一对侧板。 有效地建立电磁场的线圈被承载在核心上。 磁流变流体承载在间隙内的空腔中,并且响应于由线圈通过芯体建立的电磁场,使得扭矩通过流体从输入离合器板传递到输出离合器板。 流体的热膨胀由热膨胀室容纳。
    • 9. 发明公开
    • Self-locking telescoping bumper
    • 自锁伸缩式保险杠
    • EP1201506A1
    • 2002-05-02
    • EP01120092.0
    • 2001-08-21
    • General Motors Corporation
    • Wang, Jenne-TaiJones, Gary Lee
    • B60R19/34B60R19/40
    • B60R19/40B60R19/34B60R2021/23123Y10T74/2045Y10T74/20462
    • A self-locking telescoping device (10) including an outer tube (12), an inner tube (16) telescoped into the outer tube (12) having a cone-shaped ramp (34) at an inboard end, and a plurality of metal spheres (36) between the ramp (34) and the outer tube (12).
      The metal spheres (36) wedge between the ramp (34) and the outer tube (12) when the inner tube (16) is thrust into the outer tube (12) in a collapse direction (C) thereby locking the tubes together. When the thrust is attributable to a severe impact, the spheres (36) plastically deform the outer tube by plowing tracks therein thereby to absorb energy. The self-locking telescoping device (10) further includes an actuator rod (38), a driver which translates the actuator in the collapse direction (C) and in an expansion direction, a first clutch which translates the inner tube with the actuator rod in the expansion direction, a second clutch which translates the inner tube (16) with the actuator rod (38) in the collapse direction (C), and a tubular retainer on the actuator rod (38) having a plurality of closed-ended slots around the metal spheres (36). The closed ends of the slots prevent the spheres (36) from becoming wedged between the ramp and the outer tube when the second clutch translates the inner tube with the actuator rod (38) in the collapse direction (C).