Hydraulic pressure intermediary
    1.
    发明申请
    Hydraulic pressure intermediary 有权
    液压中介

    公开(公告)号:US20090301209A1

    公开(公告)日:2009-12-10

    申请号:US11921567

    申请日:2006-05-10

    IPC分类号: G01L7/08

    CPC分类号: G01L19/0046

    摘要: 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.

    摘要翻译: 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。

    Pressure difference measuring cell
    2.
    发明授权
    Pressure difference measuring cell 有权
    压力差测量单元

    公开(公告)号:US08402836B2

    公开(公告)日:2013-03-26

    申请号:US12735098

    申请日:2008-12-12

    IPC分类号: G01L13/02

    摘要: 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.

    摘要翻译: 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。

    Hydraulic pressure intermediary
    3.
    发明授权
    Hydraulic pressure intermediary 有权
    液压中介

    公开(公告)号:US07798007B2

    公开(公告)日:2010-09-21

    申请号:US11921567

    申请日:2006-05-10

    IPC分类号: G01L7/08

    CPC分类号: G01L19/0046

    摘要: 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.

    摘要翻译: 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。

    Pressure Differential Sensor Comprising an Excess-Load Membrane
    4.
    发明申请
    Pressure Differential Sensor Comprising an Excess-Load Membrane 失效
    包含过载膜的压差传感器

    公开(公告)号:US20070289386A1

    公开(公告)日:2007-12-20

    申请号:US10588852

    申请日:2005-02-02

    IPC分类号: G01L13/02 G01L9/00

    摘要: A pressure difference transducer includes a hydraulic body, in which is formed an overload chamber containing an overload membrane. The overload chamber divides the overload chamber into a high-pressure chamber portion and a low-pressure chamber portion. The high-pressure chamber portion communicates with a first hydraulic path, which extends between a first diaphragm seal and a high-pressure side of a pressure measuring cell, and the low-pressure chamber portion communicates with a second hydraulic path, which extends between a second diaphragm seal and a low-pressure side of the pressure measuring cell. The low-pressure chamber portion has an essentially convex membrane bed, against which the overload membrane lies in a rest position.

    摘要翻译: 压差传感器包括液压体,其中形成有包含过载膜的过载室。 过载室将过载室分为高压室部分和低压室部分。 高压室部分与在压力测量单元的第一隔膜密封件和高压侧之间延伸的第一液压路径连通,并且低压室部分与第二液压路径连通,该第二液压路径在 第二隔膜密封件和压力测量单元的低压侧。 低压室部分具有基本上凸起的膜床,过载膜处于静止位置。

    Method and apparatus for diagnosis of liquid losses in pressure measuring transducers filled with pressure transmitting liquids
    5.
    发明授权
    Method and apparatus for diagnosis of liquid losses in pressure measuring transducers filled with pressure transmitting liquids 有权
    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

    公开(公告)号:US07987726B2

    公开(公告)日:2011-08-02

    申请号:US12310921

    申请日:2007-07-16

    IPC分类号: G01L9/00

    摘要: 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.

    摘要翻译: 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。

    Method and apparatus for diagnosis of liquid losses in pressure measuring transducers filled with pressure transmitting liquids
    6.
    发明申请
    Method and apparatus for diagnosis of liquid losses in pressure measuring transducers filled with pressure transmitting liquids 有权
    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

    公开(公告)号:US20100058874A1

    公开(公告)日:2010-03-11

    申请号:US12310921

    申请日:2007-07-16

    IPC分类号: G01L9/08 G01L7/06 G01L7/16

    摘要: 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.

    摘要翻译: 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。

    Pressure and differential pressure gauge with overload protection
    7.
    发明申请
    Pressure and differential pressure gauge with overload protection 失效
    压力和差压表具有过载保护功能

    公开(公告)号:US20060150741A1

    公开(公告)日:2006-07-13

    申请号:US10537343

    申请日:2003-12-02

    IPC分类号: G01L7/08

    CPC分类号: G01L19/0645 G01L19/0609

    摘要: A pressure pickup, having a pressure chamber, which is located between a separating membrane and a platform, and a A pressure canal for hydraulic transmission of pressure to a measuring cell, includes, for dynamic overload protection, a Venturi throttle implemented by providing that the pressure canal has at least one segment whose flow cross section is variable. Such segment is preferably provided in the form of an annular canal. The flow cross section can be changed, for example, by an axial shifting of a conical inner wall relative to a complementary, conical outer wall, or by the deforming of an elastic inner or outer wall of the annular canal.

    摘要翻译: 具有位于分离膜和平台之间的压力室的压力传感器和用于向测量单元施加压力的液压传递的A压力通道包括用于动态过载保护的文丘里油门,其通过提供 压力管具有至少一个流动横截面可变的段。 这种段优选以环形管道的形式提供。 流动横截面可以例如通过锥形内壁相对于互补的锥形外壁的轴向移动,或者通过环形管的弹性内壁或外壁的变形来改变。

    PRESSURE DIFFERENCE MEASURING CELL
    8.
    发明申请
    PRESSURE DIFFERENCE MEASURING CELL 有权
    压力差异测量单元

    公开(公告)号:US20100281992A1

    公开(公告)日:2010-11-11

    申请号:US12735098

    申请日:2008-12-12

    IPC分类号: G01L9/00

    摘要: 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.

    摘要翻译: 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。

    PRESSURE GAUGE
    9.
    发明申请
    PRESSURE GAUGE 有权
    压力计

    公开(公告)号:US20100139407A1

    公开(公告)日:2010-06-10

    申请号:US12311914

    申请日:2007-10-09

    IPC分类号: G01L19/04

    CPC分类号: G01L9/125 G01L9/065

    摘要: 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).

    摘要翻译: 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。

    Pressure and differential pressure gauge with overload protection
    10.
    发明授权
    Pressure and differential pressure gauge with overload protection 失效
    压力和差压表具有过载保护功能

    公开(公告)号:US07275443B2

    公开(公告)日:2007-10-02

    申请号:US10537343

    申请日:2003-12-02

    IPC分类号: G01L13/02

    CPC分类号: G01L19/0645 G01L19/0609

    摘要: A pressure pickup, having a pressure chamber, which is located between a separating membrane and a platform. A pressure canal for hydraulic transmission of pressure to a measuring cell, includes, for dynamic overload protection, a Venturi throttle implemented by providing that the pressure canal has at least one segment whose flow cross section is variable. Such segment is preferably provided in the form of an annular canal. The flow cross section can be changed, for example, by an axial shifting of a conical inner wall relative to a complementary, conical outer wall, or by the deforming of an elastic inner or outer wall of the annular canal.

    摘要翻译: 具有位于分离膜和平台之间的压力室的压力拾取器。 用于液压传递到测量单元的压力的压力管道包括用于动态过载保护的文丘里油门,其通过提供压力管道具有至少一个流动横截面可变的段来实现。 这种段优选以环形管道的形式提供。 流动横截面可以例如通过锥形内壁相对于互补的锥形外壁的轴向移动,或者通过环形管的弹性内壁或外壁的变形来改变。