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    • 21. 发明授权
    • Hydraulic pressure intermediary
    • 液压中介
    • US07798007B2
    • 2010-09-21
    • US11921567
    • 2006-05-10
    • Wolfgang DannhauerRalf NürnbergerAnh Tuan Tham
    • Wolfgang DannhauerRalf NürnbergerAnh Tuan Tham
    • G01L7/08
    • G01L19/0046
    • A hydraulic pressure intermediary includes: a platform, which has a bowl-shaped surface having an annular, platform-surface edge region, a platform-surface central region depressed relative to the platform-surface edge region and surrounded by the platform-surface edge region, and an annular platform-surface transition region, which borders, on its inner side, the platform-surface central region and, on its outer side, the platform-surface edge region; a bowl-shaped, separating membrane having a flat, annular, separating-membrane edge region, a separating-membrane central region depressed relative to the separating-membrane edge region and an annular separating-membrane transition region, which borders, on its inner side, the separating-membrane central region and, on its outer side, the separating-membrane edge region. The separating membrane is connected with the platform-surface edge region within the separating-membrane edge region along a surrounding joint. Further, the separating-membrane transition region includes an annular moat having a moat outer side, a moat inner side, and a moat transition zone, wherein the moat outer side has a first annular inclined surface, which borders on the separating-membrane edge region, the moat inner side includes a second annular inclined surface, which borders on the separating-membrane central region, and the moat transition zone extends between the first and the second inclined surfaces.
    • 液压中介包括:具有碗状表面的平台,该碗状表面具有环形平台表面边缘区域,相对于平台表面边缘区域凹陷并被平台表面边缘区域包围的平台表面中心区域 以及在其内侧与平台表面中心区域相邻并且在其外侧与平台表面边缘区域相邻的环形平台表面过渡区域; 具有平坦的,环状的分隔膜边缘区域的碗状分离膜,相对于分隔膜边缘区域凹陷的分离膜中心区域和在其内侧边界的环状分离膜过渡区域 ,分离膜中心区域,其外侧为分离膜边缘区域。 分离膜沿着周围的接头与分离膜边缘区域内的平台表面边缘区域连接。 此外,分离膜过渡区域包括具有护城河外侧,护城河内侧和护城河过渡区域的环形护城河,其中护城河外侧具有第一环形倾斜表面,该第一环形倾斜表面邻接在分隔膜边缘区域 护城河内侧包括与分隔膜中心区域相接的第二环形倾斜表面,并且护城河过渡区域在第一和第二倾斜表面之间延伸。
    • 22. 发明授权
    • Method and apparatus for diagnosis of liquid losses in pressure measuring transducers filled with pressure transmitting liquids
    • 用于诊断填充有压力传递液体的压力测量传感器中的液体损失的方法和装置
    • US07987726B2
    • 2011-08-02
    • US12310921
    • 2007-07-16
    • Wolfgang Dannhauer
    • Wolfgang Dannhauer
    • G01L9/00
    • G01M3/32G01L19/0046G01L27/007
    • A method and apparatus for diagnosis of liquid losses in pressure measuring transducers including a pressure sensor arranged in a pressure measuring chamber, and a pressure transfer structure connected to the pressure measuring chamber A sealed inner space of a separating diaphragm is composed of the inner spaces of the pressure transfer structure and the pressure measuring chamber and is filled with a pressure transmitting liquid, which, serves for transmitting pressure acting on the separating diaphragm to the pressure sensor. An apparatus for detecting liquid losses. The apparatus for detecting liquid losses includes a test element arranged in the sealed inner space. The outer volume of the test element is reducible for diagnosis of liquid losses. An evaluating unit, which serves, during diagnosis, for registering, as a function of a volume reduction of the test element, a pressure measured by the pressure sensor, and, on the basis of this pressure measured as a function of the volume reduction, for detecting whether liquid has escaped.
    • 用于诊断压力测量换能器中的液体损失的方法和装置,包括布置在压力测量室中的压力传感器和连接到压力测量室的压力传递结构隔离膜的密封内部空间由 压力传递结构和压力测量室,并且填充有压力传递液体,用于将作用在分离膜片上的压力传递到压力传感器。 一种用于检测液体损失的装置。 用于检测液体损失的装置包括布置在密封的内部空间中的测试元件。 测试元件的外部体积可以用于诊断液体损失。 评估单元,用于在诊断期间,作为测试元件的体积减小的函数来记录由压力传感器测量的压力,并且基于作为体积减小的函数测量的该压力, 用于检测液体是否已经逸出。
    • 23. 发明申请
    • Method and apparatus for diagnosis of liquid losses in pressure measuring transducers filled with pressure transmitting liquids
    • 用于诊断填充有压力传递液体的压力测量传感器中的液体损失的方法和装置
    • US20100058874A1
    • 2010-03-11
    • US12310921
    • 2007-07-16
    • Wolfgang Dannhauer
    • Wolfgang Dannhauer
    • G01L9/08G01L7/06G01L7/16
    • G01M3/32G01L19/0046G01L27/007
    • Described are method and apparatus for diagnosis of liquid losses in pressure measuring transducers filled with pressure transmitting liquids. Such pressure measuring transducers include a pressure sensor (3) arranged in a pressure measuring chamber (1), and a pressure transfer means (5) connected to the pressure measuring chamber (1) and sealed against external surroundings by a separating diaphragm (7), on which a pressure to be measured acts in measurement operation. A sealed inner space (15) thereof is composed of the inner spaces of the pressure transfer means (5) and the pressure measuring chamber (1) and is filled with a pressure transmitting liquid (17), which, in measurement operation, serves for transmitting pressure acting on the separating diaphragm (7) to the pressure sensor (3). Such pressure measuring transducers further includes an apparatus for detecting liquid losses (L). The apparatus for detecting liquid losses (L) includes a test element (25) arranged in the sealed inner space (15). The outer volume of the test element (25) is reducible for diagnosis of liquid losses (L). The apparatus for detecting liquid losses (L) further includes an evaluating unit (29), which serves, during diagnosis, for registering, as a function of a volume reduction (ΔV) of the test element (25), a pressure (p) measured by the pressure sensor (3), and, on the basis of this pressure (p) measured as a function of the volume reduction (ΔV), for detecting whether liquid (17) has escaped.
    • 描述了用于诊断填充有压力传递液体的压力测量传感器中的液体损失的方法和装置。 这种压力测量换能器包括设置在压力测量室(1)中的压力传感器(3)和连接到压力测量室(1)的压力传递装置(5),并通过分隔膜(7)与外部环境密封, ,其中被测量的压力在测量操作中起作用。 其密封的内部空间15由压力传递装置5和压力测量室1的内部空间构成,并且填充有压力传递液体17,该压力传递液体17在测量操作中用于 将作用在分离膜(7)上的压力传递到压力传感器(3)。 这种压力测量换能器还包括用于检测液体损失(L)的装置。 用于检测液体损失的装置(L)包括布置在密封的内部空间(15)中的测试元件(25)。 测试元件(25)的外部体积可以用于诊断液体损失(L)。 用于检测液体损失(L)的装置还包括评估单元(29),其在诊断期间用作为测试元件(25)的体积减小(&Dgr; V)的函数来记录压力( p),并且基于作为体积减小(&Dgr; V)的函数测量的该压力(p),用于检测液体(17)是否已经逸出。
    • 24. 发明申请
    • PRESSURE DIFFERENCE MEASURING CELL
    • 压力差异测量单元
    • US20100281992A1
    • 2010-11-11
    • US12735098
    • 2008-12-12
    • Wolfgang DannhauerMichael PhilippsFriedrich SchwabeDieter Stolze
    • Wolfgang DannhauerMichael PhilippsFriedrich SchwabeDieter Stolze
    • G01L9/00
    • G01L19/0609G01L9/0073G01L13/026
    • A pressure difference measuring cell for registering pressure difference between a first pressure and a second pressure, comprises: an elastic measuring arrangement having at least one measuring membrane, or diaphragm, that comprises silicon; a platform, which is pressure-tightly connected with the elastic measuring arrangement; a first hydraulic path for transferring a first pressure onto a first surface section of the elastic measuring arrangement; and a second hydraulic path for transferring a second pressure onto a second surface section of the elastic measuring arrangement. The first pressure opposes the second pressure, and the elastic deflection of the measuring arrangement is a measure for the difference between the first and the second pressure, wherein the pressure difference measuring cell has additionally at least one hydraulic throttle, characterized in that the at least one hydraulic throttle comprises porous silicon.
    • 用于记录第一压力和第二压力之间的压力差的压差测量单元包括:弹性测量装置,其具有包括硅的至少一个测量膜或隔膜; 与弹性测量装置压力连接的平台; 用于将第一压力转移到弹性测量装置的第一表面部分上的第一液压路径; 以及用于将第二压力传递到弹性测量装置的第二表面部分上的第二液压路径。 所述第一压力与所述第二压力相反,并且所述测量装置的弹性挠度是所述第一和第二压力之间的差值的量度,其中所述压差测量单元还具有至少一个液压节流阀,其特征在于,所述至少一个 一个液压油门包括多孔硅。
    • 25. 发明申请
    • PRESSURE GAUGE
    • 压力计
    • US20100139407A1
    • 2010-06-10
    • US12311914
    • 2007-10-09
    • Wolfgang DannhauerMichael Philipps
    • Wolfgang DannhauerMichael Philipps
    • G01L19/04
    • G01L9/125G01L9/065
    • The invention relates to a pressure measuring device (1) for measuring and/or monitoring pressure of a measured medium (14). The pressure measuring device (1) includes a sensor housing (9) and a measurement transmitter (3), wherein assigned to the sensor housing (9) is a pressure measuring cell (4) with a pressure sensitive measuring element (5), wherein assigned to the pressure measuring cell (4) is a temperature sensor (10; 11; 12; 13), and wherein assigned to the measurement transmitter (3) is a control/evaluation unit (16). In order to increase the accuracy of measurement of the pressure measuring device (1), it is provided, that the control/evaluation unit (16), in the case of an abrupt change of the temperature registered by the temperature sensor (10; 11; 12; 13), ascertains, or provides, a step response, wherein the step response has a sensor-type-specific, settling time (ts), and the control/evaluation unit (16), on the basis of the ascertained, or provided, step response, references the corresponding time-dependent integral temperature of the pressure measuring cell (4), in order to eliminate, or to compensate, the temperature influence on the pressure measurement signal provided by the measuring element (5).
    • 本发明涉及一种用于测量和/或监测测量介质(14)的压力的压力测量装置(1)。 压力测量装置(1)包括传感器壳体(9)和测量变送器(3),其中分配给传感器壳体(9)的是具有压敏测量元件(5)的压力测量单元(4),其中 分配给压力测量单元(4)的是温度传感器(10; 11; 12; 13),并且其中分配给测量发射器(3)的是控制/评估单元(16)。 为了提高压力测量装置(1)的测量精度,提供了在由温度传感器(10; 11)登记的温度突然变化的情况下,控制/评估单元(16) ; 12; 13),确定或提供步骤响应,其中所述阶跃响应具有传感器类型特定的建立时间(ts),并且所述控制/评估单元(16)基于所确定的, 或提供的步进响应,参考压力测量单元(4)的相应的时间依赖积分温度,以消除或补偿温度对由测量元件(5)提供的压力测量信号的影响。
    • 26. 发明授权
    • Pressure gauge
    • 压力计
    • US08069729B2
    • 2011-12-06
    • US12311914
    • 2007-10-09
    • Wolfgang DannhauerMichael Philipps
    • Wolfgang DannhauerMichael Philipps
    • G01L19/04
    • G01L9/125G01L9/065
    • A pressure measuring device for measuring and/or monitoring the pressure of a measured medium. The pressure measuring device includes a sensor housing and a measurement transmitter, wherein assigned to the sensor housing is a pressure measuring cell with a pressure sensitive measuring element. Assigned to the pressure measuring cell is a temperature sensor, and assigned to the measurement transmitter is a control/evaluation unit. In order to increase the measurement accuracy of the pressure measuring device, it is provided, that the control/evaluation unit, in the case of an abrupt change of the temperature registered by the temperature sensor, ascertains, or provides, a step response, wherein the step response has a sensor-type-specific, settling time, and the control/evaluation unit, on the basis of the ascertained, or provided, step response, references the corresponding time-dependent integral temperature of the pressure measuring cell, in order to eliminate, or to compensate, the temperature influence on the pressure measurement signal provided by the measuring element.
    • 一种用于测量和/或监测测量介质的压力的压力测量装置。 压力测量装置包括传感器壳体和测量发射器,其中分配给传感器壳体的是具有压敏测量元件的压力测量单元。 分配给压力测量单元的是温度传感器,分配给测量变送器是一个控制/评估单元。 为了提高压力测量装置的测量精度,提供了在由温度传感器登记的温度突然变化的情况下,控制/评估单元确定或提供阶跃响应,其中 阶跃响应具有传感器类型特定的建立时间,并且控制/评估单元基于确定的或提供的步进响应,按顺序参考压力测量单元的对应的时间依赖积分温度 以消除或补偿由测量元件提供的压力测量信号的温度影响。
    • 28. 发明授权
    • Pressure difference measuring cell
    • 压力差测量单元
    • US08402836B2
    • 2013-03-26
    • US12735098
    • 2008-12-12
    • Wolfgang DannhauerMichael PhilippsFriedrich SchwabeDieter StolzeAnh Tuan Tham
    • Wolfgang DannhauerMichael PhilippsFriedrich SchwabeDieter StolzeAnh Tuan Tham
    • G01L13/02
    • G01L19/0609G01L9/0073G01L13/026
    • A pressure difference measuring cell for registering pressure difference between a first pressure and a second pressure, comprises: an elastic measuring arrangement having at least one measuring membrane, or diaphragm, that comprises silicon; a platform, which is pressure-tightly connected with the elastic measuring arrangement; a first hydraulic path for transferring a first pressure onto a first surface section of the elastic measuring arrangement; and a second hydraulic path for transferring a second pressure onto a second surface section of the elastic measuring arrangement. The first pressure opposes the second pressure, and the elastic deflection of the measuring arrangement is a measure for the difference between the first and the second pressure, wherein the pressure difference measuring cell has additionally at least one hydraulic throttle, characterized in that the at least one hydraulic throttle comprises porous silicon.
    • 用于记录第一压力和第二压力之间的压力差的压差测量单元包括:弹性测量装置,其具有包括硅的至少一个测量膜或隔膜; 与弹性测量装置压力连接的平台; 用于将第一压力转移到弹性测量装置的第一表面部分上的第一液压路径; 以及用于将第二压力传递到弹性测量装置的第二表面部分上的第二液压路径。 所述第一压力与所述第二压力相反,并且所述测量装置的弹性挠度是所述第一和第二压力之间的差值的量度,其中所述压差测量单元还具有至少一个液压节流阀,其特征在于,所述至少一个 一个液压油门包括多孔硅。
    • 30. 发明申请
    • Hydraulic pressure intermediary
    • 液压中介
    • US20090301209A1
    • 2009-12-10
    • US11921567
    • 2006-05-10
    • Wolfgang DannhauerRalf NurnbergerAnh Tuan Tham
    • Wolfgang DannhauerRalf NurnbergerAnh Tuan Tham
    • G01L7/08
    • G01L19/0046
    • A hydraulic pressure intermediary includes: a platform, which has a bowl-shaped surface having an annular, platform-surface edge region, a platform-surface central region depressed relative to the platform-surface edge region and surrounded by the platform-surface edge region, and an annular platform-surface transition region, which borders, on its inner side, the platform-surface central region and, on its outer side, the platform-surface edge region; a bowl-shaped, separating membrane having a flat, annular, separating-membrane edge region, a separating-membrane central region depressed relative to the separating-membrane edge region and an annular separating-membrane transition region, which borders, on its inner side, the separating-membrane central region and, on its outer side, the separating-membrane edge region. The separating membrane is connected with the platform-surface edge region within the separating-membrane edge region along a surrounding joint. Further, the separating-membrane transition region includes an annular moat having a moat outer side, a moat inner side, and a moat transition zone, wherein the moat outer side has a first annular inclined surface, which borders on the separating-membrane edge region, the moat inner side includes a second annular inclined surface, which borders on the separating-membrane central region, and the moat transition zone extends between the first and the second inclined surfaces.
    • 液压中介包括:具有碗状表面的平台,该碗状表面具有环形平台表面边缘区域,相对于平台表面边缘区域凹陷并被平台表面边缘区域包围的平台表面中心区域 以及在其内侧与平台表面中心区域相邻并且在其外侧与平台表面边缘区域相邻的环形平台表面过渡区域; 具有平坦的,环状的分隔膜边缘区域的碗状分离膜,相对于分隔膜边缘区域凹陷的分离膜中心区域和在其内侧边界的环状分离膜过渡区域 ,分离膜中心区域,其外侧为分离膜边缘区域。 分离膜沿着周围的接头与分离膜边缘区域内的平台表面边缘区域连接。 此外,分离膜过渡区域包括具有护城河外侧,护城河内侧和护城河过渡区域的环形护城河,其中护城河外侧具有第一环形倾斜表面,该第一环形倾斜表面邻接在分隔膜边缘区域 护城河内侧包括与分隔膜中心区域相接的第二环形倾斜表面,并且护城河过渡区域在第一和第二倾斜表面之间延伸。