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    • 1. 发明授权
    • Apparatus and method for viscosity measurement
    • 用于粘度测量的装置和方法
    • US06695470B1
    • 2004-02-24
    • US10238482
    • 2002-09-10
    • Axel H BerndorferJim H CampbellAmiyo K. Basu
    • Axel H BerndorferJim H CampbellAmiyo K. Basu
    • G01N1100
    • G01K3/10G01N11/12
    • Apparatus and method for determining a change in the viscosity of a fluid, the apparatus including means for heating a portion of the fluid so that the heated portion will rise within the fluid, means for determining the heated portion's rise time, means for determining the heated portion's average velocity as it rises through the fluid and means for determining the viscosity of the fluid based on the rise time and/or average velocity of the heated portion. The method allows for permitting the temperature and agitation of the fluid to stabilize prior to heating a portion of the fluid so that it will rise within fluid. The rise time and/or average velocity of the heated portion is determined and the viscosity of the fluid may be determined the rise time and/or average velocity to a baseline rise time and/or average velocity. An output signal may be generated that is indicative of whether there has been a change in the fluid's viscosity and/or whether the fluid should be changed. The output signal may be sent to a display device such as that contained in the control panel of an automobile.
    • 用于确定流体粘度变化的装置和方法,所述装置包括用于加热流体的一部分以使得加热部分在流体内升高的装置,用于确定加热部分的上升时间的装置,用于确定加热的部分的上升时间的装置 部分通过流体上升的平均速度和基于加热部分的上升时间和/或平均速度确定流体粘度的装置。 该方法允许在加热一部分流体之前允许流体的温度和搅拌稳定,使得其在流体内升高。 确定加热部分的上升时间和/或平均速度,并且可以确定流体的粘度,上升时间和/或平均速度达到基线上升时间和/或平均速度。 可以产生指示流体粘度发生变化和/或是否应改变流体的输出信号。 输出信号可以被发送到诸如包含在汽车的控制面板中的显示装置。
    • 3. 发明授权
    • Phaser for controlling the timing between a camshaft and a timing gear
    • 用于控制凸轮轴和定时齿轮之间的定时的相位器
    • US07523728B2
    • 2009-04-28
    • US11770777
    • 2007-06-29
    • Axel H. Berndorfer
    • Axel H. Berndorfer
    • F01L1/34
    • F01L1/3442F01L1/34409
    • A phaser for controlling the timing between a camshaft and a timing gear having a rotor with at least one vane and a stator with at least one recess the phaser allowing limited rotational movement of the rotor with respect to the stator. The vane divides the recess into first and second pockets, wherein the introduction of a fluid into the first pocket causes the rotor to move in a first rotational direction relative to the stator, and in that the introduction of a fluid in the second pocket causes the rotor to move in the opposite rotational direction. A control ring is provided for selectively opening and closing a fluid connection between the pockets to allow fluid to flow between the pockets using the pressure difference of the fluid in each of the pockets to transport the fluid from the one to the other pocket.
    • 一种用于控制具有至少一个叶片的转子和具有至少一个凹槽的定子的凸轮轴和正时齿轮之间的定时的相位器,所述相位器允许转子相对于定子的有限旋转运动。 叶片将凹槽分成第一和第二凹穴,其中将流体引入第一凹穴导致转子相对于定子在第一旋转方向上移动,并且因为在第二凹穴中引入流体导致 转子沿相反的旋转方向移动。 提供控制环以选择性地打开和关闭袋之间的流体连接,以允许流体在袋之间流动,使用每个袋中的流体的压力差来将流体从一个袋输送到另一个袋。
    • 4. 发明授权
    • Method for continuously predicting remaining engine oil life
    • 连续预测发动机机油寿命的方法
    • US06741938B2
    • 2004-05-25
    • US10021473
    • 2001-10-30
    • Axel H Berndorfer
    • Axel H Berndorfer
    • G01N3100
    • F01M11/10F01M2011/14
    • A method for continuously predicting remaining engine oil life includes counting down a remaining oil life (ROL) from 100% ROL to a predetermined warning threshold at a first rate. If an oil life event occurs prior to the threshold, the countdown rate is increased until the threshold is reached. On the other hand, if the threshold is reached and the oil life event has not yet occurred, the countdown rate is decreased until the oil life event occurs. During the countdown, if fresh oil or an additive is added to the oil, the countdown rate is adjusted in a positive direction. On the other hand, if the oil becomes contaminated, the countdown rate is adjusted in a negative direction.
    • 用于连续预测剩余发动机油寿命的方法包括以第一速率将剩余油寿命(ROL)从100%ROL倒数到预定警告阈值。 如果石油生命事件发生在阈值之前,倒计时率将增加直到达到阈值。 另一方面,如果达到阈值并且还没有发生油寿命事件,则倒计时率降低,直到油寿命事件发生。 在倒计时时,如果将新鲜油或添加剂加入油中,则倒计时率将向正方向调整。 另一方面,如果油被污染,倒数率被调整为负方向。
    • 6. 发明授权
    • Oil flow control valve for a cam phaser
    • 用于凸轮移相器的油流量控制阀
    • US07367356B2
    • 2008-05-06
    • US11483787
    • 2006-07-10
    • Axel H Berndorfer
    • Axel H Berndorfer
    • F16K1/30F16K11/07
    • F01L1/34F01L2001/34426F01L2001/3443Y10T137/7914Y10T137/7929Y10T137/88054
    • An oil flow control valve (10) for a cam phaser is described comprising a spool (18), a spool housing (16) and a check valve (40), wherein the spool (18) comprises a throughbore (60) and the check valve (40) is mounted in the spool housing (16) in that it extends through the throughbore (60) allowing the check valve (40) to be integrated in the housing (16) of the oil flow control valve (10), with the spool (18) reciprocally moving around the check valve (40), in order to avoid any influencing of the equilibrium of a spool (18) when the oil pressure is suddenly changing in the oil flow control valve (10) due to varying efforts in the cam phaser caused by the valve train.
    • 描述了一种用于凸轮相位器的油流量控制阀(10),其包括阀芯(18),阀芯壳体(16)和止回阀(40),其中阀芯(18)包括通孔(60) 阀(40)安装在卷轴壳体(16)中,因为它延伸穿过通孔(60),允许止回阀(40)集成在油流量控制阀(10)的壳体(16)中, 所述阀芯(18)围绕止回阀(40)往复移动,以便在油流量控制阀(10)中由于不同的努力而在油压突然变化时避免阀芯(18)的平衡的任何影响 在凸轮移相器引起的气门机构。
    • 7. 发明授权
    • Apparatus and method for detecting ignition and engine conditions
    • 用于检测点火和发动机条件的装置和方法
    • US06914524B2
    • 2005-07-05
    • US10375533
    • 2003-02-27
    • Axel H BerndorferFawaz N Budeiri
    • Axel H BerndorferFawaz N Budeiri
    • B60Q1/00F01M1/18F01M11/12B60Q001/00
    • F02N11/0848F01M1/18F01M11/12F02D2200/024F02D2200/025
    • A sensor system is provided configured to communicate data to a processing module of a vehicle, the processing module configured to perform computational analysis based on the data received from the sensor system, the sensor system including a means for determining a condition of an ignition switch for cranking an engine of the vehicle and a means for determining a running condition of the engine. Computational analysis of the received operational parameter data may be used to detect a catastrophic lubricant loss. Other computational analysis associated with the vehicle may be performed based on the operational parameter data. A method is provided for determining a condition of at least one operational parameter associated with an internal combustion engine of a vehicle and performing computational analysis associated with the vehicle based on the condition of the at least one operational parameter. The method may include determining whether a quantity of lubricant in a sump of the engine is below a threshold value, determining whether an ignition switch of the vehicle is in an on-position or an off-position, determining whether the engine of the vehicle is in a running condition or a not running condition, and flagging a catastrophic lubricant loss if the quantity of lubricant is below the threshold value and the ignition switch is in the on-position and the engine is in the running condition.
    • 提供的传感器系统被配置为将数据传送到车辆的处理模块,所述处理模块被配置为基于从所述传感器系统接收到的数据进行计算分析,所述传感器系统包括用于确定点火开关的状态的装置, 起动车辆的发动机和用于确定发动机的运行状态的装置。 接收到的操作参数数据的计算分析可用于检测灾难性的润滑剂损失。 可以基于操作参数数据执行与车辆相关联的其他计算分析。 提供了一种用于确定与车辆的内燃机相关联的至少一个操作参数的状况的方法,并且基于所述至少一个操作参数的条件执行与车辆相关联的计算分析。 该方法可以包括确定发动机的集油槽中的润滑剂的量是否低于阈值,确定车辆的点火开关是处于就位还是关闭位置,确定车辆的发动机是否是 如果润滑剂的量低于阈值并且点火开关处于就位并且发动机处于运行状态,则在运行状态或不运行状态下标记灾难性的润滑剂损失。
    • 8. 发明授权
    • Method for determining oil viscosity
    • 确定油粘度的方法
    • US06575018B2
    • 2003-06-10
    • US09900788
    • 2001-07-06
    • Axel H BerndorferJim H CampbellAmiyo K. Basu
    • Axel H BerndorferJim H CampbellAmiyo K. Basu
    • G01N1100
    • G01N33/2888F01M2011/148G01N1/2035G01N11/14
    • A method for determining oil viscosity includes measuring an oil viscosity parameter value while an oil pump pumps oil through an engine lubrication system. Thereafter, the oil viscosity parameter value is compared to a stored look-up table of oil viscosity parameter values versus oil viscosity values and the viscosity of the oil contained within the vehicle lubrication system is interpolated from the table. The look-up table is generated by installing the pump in a test system and then, measuring the oil viscosity parameter value as the pump pumps oils of known viscosities. For increased accuracy, the look-up table is generated for several temperatures within the range of normal engine operating temperatures and several pump speeds within the range of normal operating pump speeds.
    • 用于确定油粘度的方法包括在油泵通过发动机润滑系统泵送油时测量油粘度参数值。 此后,将油粘度参数值与存储的油粘度参数值的查找表与油粘度值进行比较,并且从表中插入车辆润滑系统中所含的油的粘度。 查找表是通过将泵安装在测试系统中产生的,然后测量油粘度参数值,因为泵泵已知粘度的油。 为了提高精度,可以在正常的操作泵速度范围内的正常发动机工作温度范围内的几个温度范围内产生几个温度的查找表。
    • 10. 发明授权
    • Oil condition trend algorithm
    • 油状态趋势算法
    • US06509749B1
    • 2003-01-21
    • US09929786
    • 2001-08-14
    • Carlos BuelnaLorenzo Guadalupe RodriguezAxel H Berndorfer
    • Carlos BuelnaLorenzo Guadalupe RodriguezAxel H Berndorfer
    • G01R2708
    • F16N29/04F01M11/10F01M2011/14F01M2011/1413
    • An algorithm by which a time normalized oil condition trend (OCT) is developed. During engine off periods, while the engine is cooling, the vehicle's main computer program implements the trend algorithm according to the present invention by which engine oil conductivity (oil sensor output voltage) and temperature data are obtained in a specified temperature range, and are then input into a cool down equation to determine its coefficients using nonlinear regression. This cool down equation models oil conductivity as a function of temperature and is used at a specified time during an engine-on period to calculate an OCT point. Collectively, these OCT points determine the oil condition trend that is analyzed by a procedure called from the vehicle's main computer program to determine when an oil change is necessary.
    • 开发了时间归一化油状况趋势(OCT)的算法。 在发动机关闭期间,当发动机冷却时,车辆的主计算机程序实现根据本发明的趋势算法,通过该趋势算法在特定的温度范围内获得发动机机油导度(油传感器输出电压)和温度数据,然后 输入到冷却方程中以使用非线性回归来确定其系数。 该冷却方程将油电导率作为温度的函数建模,并在发动机启动期间的指定时间使用以计算OCT点。 总的来说,这些OCT点确定了通过车辆主计算机程序调用的程序分析的油状况趋势,以确定何时需要换油。