Low differential pressure transducer
    1.
    发明授权
    Low differential pressure transducer 有权
    低压差传感器

    公开(公告)号:US08191424B2

    公开(公告)日:2012-06-05

    申请号:US12877301

    申请日:2010-09-08

    IPC分类号: G01L9/06

    摘要: It is an object of the present invention to provide a pressure transducer having a header wherein the header is comprised of a first section and a second section that are offset from each other. Each first and second section has a flexible diaphragm adapted to receive a first and second pressure, respectively. A central channel connects the diaphragms and a pressure sensor, located within the central channel, communicates with the channel and produces an output equal to the difference between the first and second pressures. The resultant device is a low differential pressure transducer which enables one to bring leads from the sensor out while having diaphragms of substantially the same size and diameter, therefore enabling the diaphragms to exhibit the same back pressure and be equally compliant.

    摘要翻译: 本发明的目的是提供一种具有头部的压力传感器,其中头部由彼此偏移的第一部分和第二部分组成。 每个第一和第二部分具有适于分别接收第一和第二压力的柔性隔膜。 中心通道连接隔膜和位于中心通道内的压力传感器与通道连通并产生等于第一和第二压力之差的输出。 所得到的装置是低压差换能器,其使得能够将传感器的引线带出,同时具有基本上相同尺寸和直径的隔膜,因此使得隔膜具有相同的背压并且具有相同的顺应性。

    LOW DIFFERENTIAL PRESSURE TRANSDUCER
    2.
    发明申请
    LOW DIFFERENTIAL PRESSURE TRANSDUCER 有权
    低差压变送器

    公开(公告)号:US20100326199A1

    公开(公告)日:2010-12-30

    申请号:US12877301

    申请日:2010-09-08

    IPC分类号: G01L9/06

    摘要: It is an object of the present invention to provide a pressure transducer having a header wherein the header is comprised of a first section and a second section that are offset from each other. Each first and second section has a flexible diaphragm adapted to receive a first and second pressure, respectively. A central channel connects the diaphragms and a pressure sensor, located within the central channel, communicates with the channel and produces an output equal to the difference between the first and second pressures. The resultant device is a low differential pressure transducer which enables one to bring leads from the sensor out while having diaphragms of substantially the same size and diameter, therefore enabling the diaphragms to exhibit the same back pressure and be equally compliant.

    摘要翻译: 本发明的目的是提供一种具有头部的压力传感器,其中头部由彼此偏移的第一部分和第二部分组成。 每个第一和第二部分具有适于分别接收第一和第二压力的柔性隔膜。 中心通道连接隔膜和位于中心通道内的压力传感器与通道连通并产生等于第一和第二压力之差的输出。 所得到的装置是低压差换能器,其使得能够将传感器的引线带出,同时具有基本上相同尺寸和直径的隔膜,因此使得隔膜具有相同的背压并且具有相同的顺应性。

    Compensated oil-filled pressure transducers
    3.
    发明授权
    Compensated oil-filled pressure transducers 失效
    补油充油压力传感器

    公开(公告)号:US5999082A

    公开(公告)日:1999-12-07

    申请号:US47548

    申请日:1998-03-25

    IPC分类号: G01L7/08 G01L9/00 H01C10/10

    摘要: A pressure transducer employing a metal isolation diaphragm. A volume of oil is located between the metal diaphragm and a silicon sensor received in a base member. In order to reduce errors at very low pressure caused by the oil exerting a tension on the deflecting portion of said silicon sensor, the metal diaphragm has an extending dome or dimple above the location of the silicon sensor. The silicon sensor is also recessed below the supporting base plate so that the separation between the silicon sensor and the metal diaphragm increases. The base plate also contains a series of shallow, narrow concentric grooves which further reduces surface tension between the metal diaphragm and the base plate.

    摘要翻译: 采用金属隔离膜片的压力传感器。 一定量的油位于金属隔膜和接收在基座构件中的硅传感器之间。 为了减少由于在所述硅传感器的偏转部分上产生张力而引起的极低压力的误差,金属隔膜在硅传感器的位置之上具有延伸的圆顶或凹坑。 硅传感器也在支撑底板的下方凹入,使得硅传感器和金属隔膜之间的间隔增加。 基板还包含一系列浅,窄的同心凹槽,其进一步减小金属隔膜和基板之间的表面张力。

    Force transducer assembly
    4.
    发明授权
    Force transducer assembly 有权
    力传感器组件

    公开(公告)号:US06446510B1

    公开(公告)日:2002-09-10

    申请号:US09624084

    申请日:2000-07-24

    IPC分类号: G01N300

    摘要: A force transducer assembly for measuring compressive and tensile loads applied to a force transmission device, the assembly includes a housing, a sleeve assembly and a sensor device. The housing has a hollow interior. The sleeve assembly is coupled within the interior of the housing. The sensor device is secured within the interior of the housing between a portion of the sleeve assembly and a portion of the housing. The sensor device includes first and second sensors each including an isolation diaphragm at least partially defining an oil-filled cavity, and a piezoresistive sensor positioned so as to be effected by a change in pressure in the oil-filled cavity. When a first force is applied to the apparatus in a first direction via the force transmission device, one of the isolation diaphragms is deflectable in response thereto, and when a second force is applied in a second direction opposite to the first direction, the other of the isolation diaphragms is deflectable in response thereto. This causes a corresponding output from the sensor assembly. The first direction exerts a push on the device and the second direction exerts a pull on the device.

    摘要翻译: 用于测量施加到力传递装置的压缩和拉伸载荷的力传感器组件,所述组件包括壳体,套筒组件和传感器装置。 外壳有一个中空的内部。 套筒组件联接在壳体的内部。 传感器装置固定在壳体的内部之中,套筒组件的一部分与壳体的一部分之间。 传感器装置包括第一和第二传感器,每个传感器包括至少部分地限定充油空腔的隔离膜片,以及压电传感器,其被定位以便通过充油空腔中的压力变化来实现。 当通过力传递装置向第一方向施加第一力时,隔离隔膜中的一个可响应于该第一方向而偏转,并且当在与第一方向相反的第二方向上施加第二力时,另一方 隔离隔膜可响应于此而偏转。 这将导致传感器组件的相应输出。 第一个方向在设备上施加推力,第二个方向在设备上施加拉力。

    Tunable pressure transducer assembly
    5.
    发明授权
    Tunable pressure transducer assembly 有权
    可调压力传感器组件

    公开(公告)号:US08707791B2

    公开(公告)日:2014-04-29

    申请号:US13229822

    申请日:2011-09-12

    IPC分类号: G01L7/00 G01L11/00

    摘要: A tunable pressure transducer assembly that comprises a sensing element disposed within a housing, wherein the sensing element is adapted to output a signal substantially indicative of an applied pressure, and a filter assembly also disposed within the housing. The filter assembly comprises a cap and a tube, wherein the cap is spaced from the sensing element within the housing such that it encloses a set volume around the sensing element, and wherein the tube controls access of the applied pressure to the set volume. The filter assembly is operative to substantially reduce high frequency pressure ripples and allow static and quasi-static pressures to pass through to the sensing element, and may be manipulated to tune the pressure transducer assembly to achieve a desired dampening frequency. The filter assembly therefore enables one pressure transducer assembly outline to accurately measure pressure in various systems.

    摘要翻译: 一种可调压力传感器组件,其包括设置在壳体内的感测元件,其中所述感测元件适于输出基本上指示施加的压力的信号,以及也设置在所述壳体内的过滤器组件。 过滤器组件包括盖和管,其中盖与壳体内的感测元件间隔开,使得其围绕感测元件包围设定体积,并且其中管控制所施加的压力进入设定体积。 过滤器组件可操作以基本上减少高频压力波纹并允许静态和准静态压力通过感测元件,并且可以被操纵以调节压力传感器组件以获得期望的衰减频率。 因此,过滤器组件使得一个压力传感器组件轮廓能够准确地测量各种系统中的压力。

    TUNABLE PRESSURE TRANSDUCER ASSEMBLY
    6.
    发明申请
    TUNABLE PRESSURE TRANSDUCER ASSEMBLY 有权
    压力变送器总成

    公开(公告)号:US20120060619A1

    公开(公告)日:2012-03-15

    申请号:US13229822

    申请日:2011-09-12

    IPC分类号: G01L9/06 G01L9/00 B23P17/00

    摘要: A tunable pressure transducer assembly that comprises a sensing element disposed within a housing, wherein the sensing element is adapted to output a signal substantially indicative of an applied pressure, and a filter assembly also disposed within the housing. The filter assembly comprises a cap and a tube, wherein the cap is spaced from the sensing element within the housing such that it encloses a set volume around the sensing element, and wherein the tube controls access of the applied pressure to the set volume. The filter assembly is operative to substantially reduce high frequency pressure ripples and allow static and quasi-static pressures to pass through to the sensing element, and may be manipulated to tune the pressure transducer assembly to achieve a desired dampening frequency. The filter assembly therefore enables one pressure transducer assembly outline to accurately measure pressure in various systems.

    摘要翻译: 一种可调压力传感器组件,其包括设置在壳体内的感测元件,其中所述感测元件适于输出基本上指示施加的压力的信号,以及也设置在所述壳体内的过滤器组件。 过滤器组件包括盖和管,其中盖与壳体内的感测元件间隔开,使得其围绕感测元件包围设定体积,并且其中管控制所施加的压力进入设定体积。 过滤器组件可操作以基本上减少高频压力波纹并允许静态和准静态压力通过感测元件,并且可以被操纵以调节压力传感器组件以获得期望的衰减频率。 因此,过滤器组件能够使一个压力传感器组件轮廓精确地测量各种系统中的压力。

    Pressure scanner assemblies having replaceable sensor plates
    7.
    发明授权
    Pressure scanner assemblies having replaceable sensor plates 有权
    压力扫描器组件具有可更换的传感器板

    公开(公告)号:US09372131B2

    公开(公告)日:2016-06-21

    申请号:US13184613

    申请日:2011-07-18

    IPC分类号: G06F19/00 G01L15/00

    CPC分类号: G01L15/00 G01L9/0052

    摘要: A pressure scanner assembly having at least one replaceable sensor plate, wherein each of the replaceable sensor plates has at least one pressure sensor adapted to transmit a signal substantially indicative of a sensed pressure condition. A memory chip, which stores correction coefficients for each of the pressure sensor to compensate for thermal errors, may be installed on each of the replaceable sensor plates. The signals from the pressure sensors are multiplexed and may be outputted in analog or digital form. The pressure scanner assemblies described herein have sensor plates that can be interchanged with other sensor plates of the same or different pressure range without disrupting the electronic configuration of the pressure scanner assembly or having to recalibrate and/or update the memory chip installed thereon.

    摘要翻译: 一种具有至少一个可更换的传感器板的压力扫描器组件,其中每个可更换传感器板具有至少一个压力传感器,其适于传输基本上指示感测到的压力状况的信号。 存储芯片,其存储用于每个压力传感器以补偿热误差的校正系数,可以安装在每个可更换传感器板上。 来自压力传感器的信号被复用并且可以以模拟或数字形式输出。 本文所述的压力扫描器组件具有可以与相同或不同压力范围的其他传感器板互换的传感器板,而不会中断压力扫描器组件的电子配置或必须重新校准和/或更新安装在其上的存储器芯片。

    Carbon nanotube or graphene based pressure switch
    8.
    发明授权
    Carbon nanotube or graphene based pressure switch 有权
    碳纳米管或石墨烯基压力开关

    公开(公告)号:US09455105B2

    公开(公告)日:2016-09-27

    申请号:US13241988

    申请日:2011-09-23

    申请人: Adam Hurst Lou DeRosa

    发明人: Adam Hurst Lou DeRosa

    IPC分类号: H01H35/26

    摘要: The present invention describes systems and methods for providing a carbon or graphene based pressure switch. An exemplary embodiment of the present invention includes a semiconductor substrate; a cavity defined within the semiconductor substrate having a cross-sectional area and a depth; a bottom conductor disposed within the cavity; a conductive membrane disposed above the cavity and adapted to deflect towards the bottom conductor upon an applied pressure; an elastic, insulating layer disposed between the conductive membrane and the bottom conductor; and a switching element adapted to activate upon electrical communication between the conductive membrane and the bottom conductor.

    摘要翻译: 本发明描述了用于提供基于碳或石墨烯的压力开关的系统和方法。 本发明的示例性实施例包括半导体衬底; 限定在所述半导体衬底内的具有横截面积和深度的空腔; 布置在腔内的底部导体; 导电膜,设置在空腔上方并适于在施加的压力下朝着底部导体偏转; 布置在导电膜和底部导体之间的弹性绝缘层; 以及适于在所述导电膜和所述底部导体之间的电连通时启动的开关元件。