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    • 3. 发明专利
    • Electro-hydraulic manifold assembly with pressure sensor
    • 电动液压组件与压力传感器组合
    • JP2007051778A
    • 2007-03-01
    • JP2006221056
    • 2006-08-14
    • Eaton Corpイートン コーポレーションEaton Corporation
    • FORD GREG EDWARDGREEN TIMOTHY JHERBERT DAVID EBOWMAN HAROLD LJACOBSEN PETER MARTINDELL EVA MARK L
    • F16L41/02F16H61/00F16K27/00F16K31/06
    • PROBLEM TO BE SOLVED: To provide an electro-hydraulic manifold assembly and its forming method. SOLUTION: The electro-hydraulic manifold assembly comprises a plurality of solenoid valves 16, 18, 20, 22, 24, 26, 28, 30 at a manifold block 12, wherein each is controllable in pressure from an inlet to an outlet. Each outlet is provided with pressure sensor ports 134, 136, 138, 140, 142, and pressure sensors are sealed over them to provide a signal indicative of the sensed pressure. The pressure sensors are mounted on an interface 14 and electrically connected to the interface. The interface 14 has slots which permit a frame to be simultaneously electrically connected by bayonet connection to the terminals of the respective solenoid valves, and at this time, the transducers 32, 34, 36, 38, 40 are sealed over the sensor ports 134, 136, 138, 140, 142 to attach the interface 14 to the manifold block 12. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种电动液压歧管组件及其成形方法。 解决方案:电液压歧管组件包括在歧管块12处的多个电磁阀16,18,20,22,24,26,28,30,其中每个电磁阀在压力下可从入口到出口 。 每个出口设置有压力传感器端口134,136,138,140,​​142,并且压力传感器被密封在其上以提供指示感测到的压力的信号。 压力传感器安装在接口14上并电连接到接口。 接口14具有允许通过卡口连接到相应电磁阀的端子而同时电连接框架的槽,并且此时换能器32,34,36,38,40被密封在传感器端口134上, 136,138,140,142,以将接口14连接到歧管块12.版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Mode selection and switching logic in closed-loop pulse width modulation valve-based transmission control system
    • 闭环脉冲宽度调制阀门的模式选择和切换逻辑基于传动控制系统
    • JP2008215611A
    • 2008-09-18
    • JP2007259872
    • 2007-10-03
    • Eaton Corpイートン コーポレーションEaton Corporation
    • DELL EVA MARK LSURIANARAYANAN ANANTHAKRISHNANHERBERT DAVID E
    • F16K31/06F16H61/02G05B11/36
    • G05D16/2013F16H61/0251F16H2061/0255F16H2342/10Y10T477/60
    • PROBLEM TO BE SOLVED: To improve a pulse width modulated (PWM) valve control system adjustable to the changes of operating conditions such as non-linear behaviors and temperatures since a system using a PWM valve is affected by these changes. SOLUTION: In one embodiment, a feedback control system comprises a controller for inputting a pressure command signal and a pressure feedback signal. The controller outputs a duty cycle control signal. The PWM valve supplies a control pressure Pc for controlling a load such as the actuator of an automatic transmission. A pressure sensor measures the control pressure Pc, and outputs the pressure feedback signal. In another embodiment, a compensator provides compensation for linear and nonlinear effects in the pressure feedback signal on other inputs such as fluid temperature. In other embodiments, a plurality of controllers are provided, and a controller is selected by a switching logic processor, or by phase-in and phase-out filters, based on the pressure feedback signal and other inputs. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:改进脉宽调制(PWM)阀控制系统,可调整到诸如非线性行为和温度等操作条件的变化,因为使用PWM阀门的系统受到这些变化的影响。 解决方案:在一个实施例中,反馈控制系统包括用于输入压力指令信号和压力反馈信号的控制器。 控制器输出占空比控制信号。 PWM阀提供用于控制诸如自动变速器的致动器的负载的控制压力Pc。 压力传感器测量控制压力Pc,并输出压力反馈信号。 在另一个实施例中,补偿器对其它输入(例如流体温度)上的压力反馈信号中的线性和非线性效应提供补偿。 在其他实施例中,提供多个控制器,并且基于压力反馈信号和其他输入,由开关逻辑处理器或通过相入和过滤滤波器选择控制器。 版权所有(C)2008,JPO&INPIT