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    • 25. 发明公开
    • System and method of determining an accumulator status
    • 系统和Verfahren zur Bestimmung eines Akkumulatorstatus
    • EP2905479A1
    • 2015-08-12
    • EP15152368.5
    • 2015-01-23
    • Goodrich Corporation
    • Cahill, Eric D.Burte, Paul R.
    • F15B1/24F15B19/00
    • B60T17/221B60T13/14F15B1/24F15B19/005F15B2201/205F15B2201/31F15B2201/505F15B2201/51
    • A method of detecting an accumulator failure is provided. The method may comprise measuring a first pressure on a gas-side (106) of an accumulator (102), measuring a second pressure on a fluid-side (112) of the accumulator (102), finding a difference between the first pressure and the second pressure, and comparing the difference to a predetermined threshold. A system for detecting an accumulator failure (300) is also provided. The system (300) may comprise a non-transitory memory communicating with a processor, the non-transitory memory having instructions stored thereon that, in response to execution by the processor, cause the processor to perform operations. The operations may include receiving a first pressure measurement, receiving a second pressure measurement, determining a difference between the first pressure measurement and the second pressure measurement, and detecting the accumulator failure based on the difference.
    • 提供一种检测蓄电池故障的方法。 该方法可以包括测量蓄能器(102)的气体侧(106)上的第一压力,测量蓄能器(102)的流体侧(112)上的第二压力,找到第一压力和 第二压力,并将差值与预定阈值进行比较。 还提供了一种用于检测蓄电池故障(300)的系统。 系统(300)可以包括与处理器通信的非暂时性存储器,其中存储有指令的非瞬态存储器响应于处理器的执行使得处理器执行操作。 操作可以包括接收第一压力测量值,接收第二压力测量值,确定第一压力测量值和第二压力测量值之间的差值,以及基于差值来检测蓄能器故障。
    • 28. 发明授权
    • System and method of determining accumulator status
    • 确定蓄能器状态的系统和方法
    • US09533667B2
    • 2017-01-03
    • US14527930
    • 2014-10-30
    • GOODRICH CORPORATION
    • Eric D. CahillPaul R. Burte
    • G06F19/00B60T17/22B60T13/14F15B1/24F15B19/00
    • B60T17/221B60T13/14F15B1/24F15B19/005F15B2201/205F15B2201/31F15B2201/505F15B2201/51
    • A method of detecting an accumulator failure is provided. The method may comprise measuring a first pressure on a gas-side of an accumulator, measuring a second pressure on a fluid-side of the accumulator, finding a difference between the first pressure and the second pressure, and comparing the difference to a predetermined threshold. A system for detecting an accumulator failure is also provided. The system may comprise a non-transitory memory communicating with a processor, the non-transitory memory having instructions stored thereon that, in response to execution by the processor, cause the processor to perform operations. The operations may include receiving a first pressure measurement, receiving a second pressure measurement, determining a difference between the first pressure measurement and the second pressure measurement, and detecting the accumulator failure based on the difference.
    • 提供了一种检测蓄电池故障的方法。 该方法可以包括测量蓄能器的气体侧上的第一压力,测量蓄能器的流体侧上的第二压力,找到第一压力和第二压力之间的差,并将差值与预定阈值进行比较 。 还提供了一种用于检测蓄电池故障的系统。 系统可以包括与处理器通信的非暂时性存储器,其中存储有指令的非瞬态存储器响应于处理器的执行使得处理器执行操作。 操作可以包括接收第一压力测量值,接收第二压力测量值,确定第一压力测量值和第二压力测量值之间的差值,以及基于该差值来检测累加器故障。
    • 30. 发明申请
    • HYDRAULIC ACCUMULATOR HEALTH DIAGNOSIS
    • 液压蓄能器健康诊断
    • US20130253854A1
    • 2013-09-26
    • US13427095
    • 2012-03-22
    • Dayao ChenPengfei MaTonglin ShangBryan J. Hillman
    • Dayao ChenPengfei MaTonglin ShangBryan J. Hillman
    • G06F19/00
    • F15B1/033F15B2201/505F15B2201/51
    • A system to diagnose a health of a hydraulic accumulator is provided. The hydraulic accumulator includes a first fluid chamber, a second fluid chamber, and a separator. The hydraulic accumulator has an associated pre-charge pressure. The system further includes a pressure sensor, a fluid source, a data processor, and a comparator. The pressure sensor and the fluid source are connected to the first fluid chamber. The data processor is configured to determine a first and second rate of pressure changes, and a transition pressure between the first and second rates. The approximate pre-charge pressure is determined based on the transition pressure. The comparator is configured to compare at least one of the determined pre charge pressure and the frictional forces with a pre-determined threshold range of pre-charge pressure and the frictional forces associated with the hydraulic accumulator to diagnose the health of the hydraulic accumulator.
    • 提供了一种用于诊断液压蓄能器健康的系统。 液压蓄能器包括第一流体室,第二流体室和分离器。 液压蓄能器具有相关的预充压力。 该系统还包括压力传感器,流体源,数据处理器和比较器。 压力传感器和流体源连接到第一流体室。 数据处理器被配置为确定压力变化的第一和第二速率以及第一和第二速率之间的过渡压力。 基于过渡压力确定近似预充压力。 比较器被配置为将所确定的预充气压力和摩擦力中的至少一个与预充压力的预定阈值范围和与液压蓄能器相关联的摩擦力进行比较,以诊断液压蓄能器的健康状况。