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    • 1. 发明授权
    • Vibration absorber
    • 减震器
    • US08435123B2
    • 2013-05-07
    • US13006924
    • 2011-01-14
    • Shushan BaiPaul G. OtanezVijay A. NeelakantanDonald L. Dusenberry
    • Shushan BaiPaul G. OtanezVijay A. NeelakantanDonald L. Dusenberry
    • F16F15/123
    • F16F15/145F16D3/12F16D3/66F16F15/123
    • A system for absorbing vibration created by operation of an engine of the present invention includes a first plate driven by an engine shaft and a torque transmitting device for transferring torque from the engine shaft to a transmission input shaft. The system includes a first vibration absorber and a second vibration absorber. The first vibration absorber includes at least one selectively moveable mass. The second vibration absorber includes at least one biasing member and generally opposing ends. The first vibration absorber is configured to absorb vibrations created at a first harmonic of the engine and the second vibration absorber is configured to absorb vibrations created at multiple harmonics of the engine.
    • 用于吸收由本发明的发动机操作产生的振动的系统包括由发动机轴驱动的第一板和用于将扭矩从发动机轴传递到变速器输入轴的扭矩传递装置。 该系统包括第一振动吸收器和第二振动吸收器。 第一振动吸收器包括至少一个选择性可移动的质量块。 第二振动吸收器包括至少一个偏置构件和大致相对的端部。 第一减震器构造成吸收在发动机的一次谐波处产生的振动,并且第二减震器构造成吸收在发动机的多次谐波处产生的振动。
    • 7. 发明授权
    • Realtime estimation of clutch piston position
    • 实时估计离合器活塞位置
    • US08346451B2
    • 2013-01-01
    • US12711038
    • 2010-02-23
    • Paul G. OtanezShushan BaiVijay A. NeelakantanYue-Ming Chen
    • Paul G. OtanezShushan BaiVijay A. NeelakantanYue-Ming Chen
    • G06F19/00
    • F16D48/02F16D48/066F16D2500/1026F16D2500/3024F16D2500/3026F16D2500/5012
    • The present invention provides an apparatus and method for estimating the realtime position of a clutch piston during the fill cycle using noisy pressure measurements which ensures proper and desired clutch operation. Pressures on both sides of a flow controlling orifice, at the fluid control actuator and the clutch cylinder are measured and these measurements in conjunction with other system parameters such as orifice size, clutch volume and return spring characteristics are used to solve nonlinear dynamic equations (algorithms) which reside in a microprocessor. The microprocessor provides outputs corresponding to an estimate of the current position of the clutch piston, an estimate of the current speed of the piston and an estimate of the current hydraulic pressure. The method can also be utilized to detect clutch wear.
    • 本发明提供了一种用于在填充循环期间使用噪声压力测量来估计离合器活塞的实时位置的装置和方法,其确保正确和期望的离合器操作。 测量流量控制孔,流体控制致动器和离合器缸两侧的压力,并结合其他系统参数(如孔尺寸,离合器体积和回弹特性)进行测量,以求解非线性动力学方程(算法 ),它驻留在微处理器中。 微处理器提供与离合器活塞的当前位置的估计相对应的输出,活塞的当前速度的估计和当前液压的估计。 该方法也可用于检测离合器磨损。
    • 10. 发明授权
    • Low noise high efficiency solenoid pump
    • 低噪音高效电磁泵
    • US09004883B2
    • 2015-04-14
    • US13078085
    • 2011-04-01
    • Vijay A. NeelakantanPaul G. OtanezShushan Bai
    • Vijay A. NeelakantanPaul G. OtanezShushan Bai
    • F04B17/04F04B11/00
    • F04B11/0058F04B17/046
    • A low noise, high efficiency solenoid pump includes a housing containing a hollow electromagnetic coil. Within the coil resides a pump assembly defining a tubular body having a pair of opposed ends which respectively include an inlet or suction port and an outlet or pressure port and within which a plunger or piston resides. The piston is biased in opposite directions by a pair of opposed compression springs. A first compression spring limits and arrests travel of the piston during the suction or return stroke and a second compression spring limits travel of the piston during the pumping stroke and returns the piston after the pumping stroke. The piston includes a first check valve that opens to allow hydraulic fluid into a pumping chamber during the suction stroke and closes during the pumping stroke to cause fluid to be pumped out of the pumping chamber. A second check valve opens to allow pumped fluid to exit the pumping chamber and the pump body through the outlet or pressure port and closes to inhibit reverse flow.
    • 低噪音,高效率的电磁泵包括容纳中空电磁线圈的壳体。 在线圈内部是一个泵组件,其限定了一个具有一对相对端的管状主体,该对相对端分别包括入口或抽吸口以及出口或压力端口,柱塞或活塞位于该端口内。 活塞通过一对相对的压缩弹簧在相反方向上被偏压。 第一压缩弹簧在吸入或返回行程期间限制和阻止活塞的行程,并且第二压缩弹簧限制在泵送冲程期间活塞的行进并且在泵冲程之后返回活塞。 活塞包括第一止回阀,该止回阀在吸入冲程期间打开以允许液压流体进入泵送室,并且在泵送冲程期间关闭以使流体被泵出泵送室。 第二止回阀打开以允许泵送流体通过出口或压力端口离开泵送室和泵体,并关闭以阻止反向流动。