Pressure monitor incorporating saw device
    1.
    发明授权
    Pressure monitor incorporating saw device 有权
    压力监视器包括锯装置

    公开(公告)号:US07151337B2

    公开(公告)日:2006-12-19

    申请号:US10508468

    申请日:2003-03-17

    IPC分类号: H03H9/00

    摘要: A pressure monitor has a base and a lid secured to the base to define a substantially fluid tight chamber. At least part of the lid is flexible and forms a diaphragm which deflects responsive to changes in fluid pressure surrounding the monitor. A projection provided on the diaphragm transmits movement thereof to a distortable substrate located within the chamber. A first SAW device is mounted on the distortable substrate, and at least a second and third SAW device are mounted within the chamber. The second SAW device carried on a reference substrate section has its direction of propagation inclined at an angle to the direction of propagation of at least one of the first and third SAW devices. This way movement of the diaphragm induced by a change in pressure in the zone surrounding the monitor results in distortion of the distortable substrate, which is measurable by the SAW device mounted thereon, without distorting said reference substrate section.

    摘要翻译: 压力监视器具有固定到基座的底座和盖子,以限定基本上流体密封的腔室。 盖的至少一部分是柔性的,并且形成响应于监视器周围的流体压力变化而偏转的隔膜。 设置在隔膜上的突起将其运动传递到位于室内的可变形基板。 第一SAW器件安装在可变形衬底上,并且至少第二和第三SAW器件安装在腔室内。 携带在参考基板部分上的第二SAW器件具有与第一和第三SAW器件中的至少一个的传播方向成一角度的传播方向。 以这种方式由围绕监视器的区域中的压力变化引起的隔膜的移动导致可变形的衬底的变形,其可由安装在其上的SAW器件测量,而不会使所述参考衬底部分变形。

    SAW SENSOR WITH ADJUSTABLE PRELOAD
    2.
    发明申请
    SAW SENSOR WITH ADJUSTABLE PRELOAD 审中-公开
    带传感器的SAW传感器

    公开(公告)号:US20090001850A1

    公开(公告)日:2009-01-01

    申请号:US12190986

    申请日:2008-08-13

    IPC分类号: H01L41/113

    摘要: A SAW based sensor having a base and a lid engageable with the base to form an internal cavity therewith. A substrate is supported in the cavity on either tile base or the lid 13 and a dimple 16 is formed on the other which extends towards the substrate so as to engage against the substrate and apply a preload thereto. The base and lid include complementary threads by means of which they are attachable to each other. The preload applied to the substrate by the dimple 16 is adjustable by varying the rotational position of the lid relative to the base.

    摘要翻译: 一种基于SAW的传感器,具有底座和与底座接合以与其形成内部空腔的盖子。 衬底被支撑在任一瓦片底座或盖13上的空腔中,并且另一个凹部16形成在另一个上,朝向衬底延伸以便与衬底接合并对其施加预载荷。 底座和盖子包括互补螺纹,通过它们可以彼此连接。 通过凹坑16施加到基底的预载荷可通过改变盖子相对于底座的旋转位置来调节。

    Torque measurement within a powertrain
    3.
    发明授权
    Torque measurement within a powertrain 有权
    动力总成中的扭矩测量

    公开(公告)号:US07770471B2

    公开(公告)日:2010-08-10

    申请号:US11939242

    申请日:2007-11-13

    IPC分类号: G01L1/22

    CPC分类号: G01L3/1428

    摘要: A method is provided for measuring torque in a shaft of a drive line including a disc coupling component such as a flexplate 1 or a flanged coupling 13, as well as a drive coupling system for carrying out the method. The disc coupling component 1, 13 is connected between a drive input 4 and a drive output so that all torque transmitted between the input and output passes through said component. The disc coupling component 1, 13 has a radially extending portion, which may include a plurality of spokes 7, to which is attached a SAW based strain sensor which communicates with a stationary coupler 3 fastened to an engine block 5 for wireless transmission of data from the sensor, the strain sensor measuring the strain in the disc coupling component 1, 13 from which the torque carried in the input shaft 4 may be calculated.

    摘要翻译: 提供了一种用于测量包括诸如柔性板1或凸缘联轴器13之类的盘联接部件的驱动线的轴中的扭矩的方法以及用于执行该方法的驱动联接系统。 盘耦合部件13,13连接在驱动输入4和驱动输出之间,使得在输入和输出之间传输的所有扭矩通过所述部件。 盘联接部件1,13具有径向延伸部分,其可以包括多个辐条7,其连接有基于SAW的应变传感器,其与固定耦合器3相连接,固定耦合器3固定到发动机模块5,用于无线传输数据 传感器,应变传感器测量盘联接部件1,13中的应变,可以计算输入轴4中携带的扭矩。

    TORQUE MEASUREMENT WITHIN A POWERTRAIN
    4.
    发明申请
    TORQUE MEASUREMENT WITHIN A POWERTRAIN 有权
    动力传动系统的扭矩测量

    公开(公告)号:US20090013803A1

    公开(公告)日:2009-01-15

    申请号:US11939242

    申请日:2007-11-13

    IPC分类号: G01L3/04

    CPC分类号: G01L3/1428

    摘要: A method is provided for measuring torque in a shaft of a drive line including a disc coupling component such as a flexplate 1 or a flanged coupling 13, as well as a drive coupling system for carrying out the method. The disc coupling component 1, 13 is connected between a drive input 4 and a drive output so that all torque transmitted between the input and output passes through said component. The disc coupling component 1, 13 has a radially extending portion, which may include a plurality of spokes 7, to which is attached a SAW based strain sensor which communicates with a stationary coupler 3 fastened to an engine block 5 for wireless transmission of data from the sensor, the strain sensor measuring the strain in the disc coupling component 1, 13 from which the torque carried in the input shaft 4 may be calculated.

    摘要翻译: 提供了一种用于测量包括诸如柔性板1或凸缘联轴器13之类的盘联接部件的驱动线的轴中的扭矩的方法以及用于执行该方法的驱动联接系统。 盘耦合部件13,13连接在驱动输入4和驱动输出之间,使得在输入和输出之间传输的所有扭矩通过所述部件。 盘联接部件1,13具有径向延伸部分,其可以包括多个辐条7,其连接有基于SAW的应变传感器,其与固定耦合器3相连接,固定耦合器3固定到发动机模块5,用于无线传输数据 传感器,应变传感器测量盘联接部件1,13中的应变,可以计算输入轴4中携带的扭矩。

    Pressure monitor incorporating saw device
    5.
    发明授权
    Pressure monitor incorporating saw device 有权
    压力监视器包括锯装置

    公开(公告)号:US06865950B2

    公开(公告)日:2005-03-15

    申请号:US10398083

    申请日:2001-10-10

    IPC分类号: G01L9/00 G01L11/00

    CPC分类号: G01L9/0025

    摘要: A pressure monitoring device includes a rigid base (2) which has secured thereto a lid (5) to define a hermetically sealed chamber (6). The lid (5) is of flexible metal material and the major surface (5A) of the lid forms a diaphragm which will deflect in response to changes in the pressure surrounding the device. A substrate (7) upon which a plurality of SAW devices are laid down is supported on a rigid frame (3A) of the base so that the central region thereof is unsupported between edges (11, 12). A dimple (10) is formed in the lid (5) and presses on a central region of the substrate (7). Changes in pressure will accordingly cause distortion of the central region of the substrate. The end regions (8, 9) of the substrate (7) carry further SAW devices so that, by analyzing the changes in characteristics of all the SAW devices a temperature compensated indication of pressure change, together with an indication of absolute temperature, may be provided by interrogating the SAW devices. The base (2) and the lid (5) are preferably both of metal alloy and may be secured together by soldering. Antennae associated with the SAW devices may be laid down as tracks on the surface of the base (2).

    摘要翻译: 压力监测装置包括刚性基座(2),刚性基座(2)固定有盖(5)以限定气密密封室(6)。 盖(5)是柔性金属材料,并且盖的主表面(5A)形成隔膜,其将响应于围绕设备的压力变化而偏转。 其上放置有多个SAW器件的衬底(7)支撑在基座的刚性框架(3A)上,使得其中心区域在边缘(11,12)之间不被支撑。 在盖(5)中形成凹坑(10)并压在基板(7)的中心区域上。 因此压力的变化将导致基板的中心区域的变形。 基板(7)的端部区域(8,9)承载另外的SAW器件,从而通过分析所有SAW器件的特性的变化,压力变化的温度补偿指示以及绝对温度的指示可以是 通过询问SAW器件提供。 基部(2)和盖(5)优选为金属合金,并且可以通过焊接固定在一起。 与SAW器件相关联的天线可以放置在基座(2)表面上的轨道上。

    Apparatus for and method of attaching a strain sensing element to a substrate
    6.
    发明授权
    Apparatus for and method of attaching a strain sensing element to a substrate 有权
    将应变感测元件附接到基板的装置和方法

    公开(公告)号:US08127629B2

    公开(公告)日:2012-03-06

    申请号:US12447004

    申请日:2007-10-08

    IPC分类号: G01D21/00

    摘要: A circular shaft having a platform formed on it by machining a circular flat into the surface of the shaft. A channel extends around the periphery of the circular flat with a depth in the range of 10 to 15% of the diameter of the shaft and in the range of 30 to 50% of the width/diameter of the platform. The width of the platform is 4 to 7% of the diameter of the shaft. A sensor is mounted on the platform, whereby the formation of the platform and surrounding channel reduces the strain arising in the device which is transferred to the sensor.

    摘要翻译: 一圆形轴,其上形成有一个平台,通过将圆形平面加工成轴的表面。 通道围绕圆形平面的周边延伸,深度在轴的直径的10至15%的范围内,并且在平台的宽度/直径的30至50%的范围内。 平台的宽度为轴直径的4〜7%。 传感器安装在平台上,由此平台和周围通道的形成减少了传递到传感器的装置中产生的应变。

    Torque measurement within a powertrain
    7.
    发明授权
    Torque measurement within a powertrain 有权
    动力总成中的扭矩测量

    公开(公告)号:US08015886B2

    公开(公告)日:2011-09-13

    申请号:US12489575

    申请日:2009-06-23

    IPC分类号: G01L1/22

    CPC分类号: G01L3/1428

    摘要: Aspects of the present invention are directed to using surface acoustic wave (SAW) sensors mounted on a disc coupling component in a powertrain to measure the torque generated by an automobile engine. The sensor may be positioned and oriented on the disc coupling component so that the phase velocities of SAWs propagating through active elements of the SAW sensors are aligned with principal strain components due to torque in the disc coupling component. The torque may be calculated by determining the difference between resonant frequencies of the active elements to suppress common-mode interference factors. In addition, SAW resonant frequencies may be communicated in a non-contacting manner by utilizing rotary and stationary couplers employing radio frequency (RF) signals. Moreover, SAW sensors may be activated and interrogated by employing targeted RF pulses having different carrier frequencies at or near respective resonant frequencies of each resonator in a SAW sensor.

    摘要翻译: 本发明的方面涉及使用安装在动力系中的盘联接部件上的表面声波(SAW)传感器来测量由汽车发动机产生的转矩。 传感器可以定位和定向在盘耦合部件上,使得通过SAW传感器的有源元件传播的SAW的相速度由于盘耦合部件中的转矩而与主应变分量对准。 可以通过确定有源元件的谐振频率之间的差来抑制共模干扰因子来计算转矩。 此外,通过利用采用射频(RF)信号的旋转和静态耦合器,SAW谐振频率可以以非接触的方式传送。 此外,SAW传感器可以通过在SAW传感器中使用每个谐振器的相应谐振频率处或附近的具有不同载波频率的目标RF脉冲来激活和询问SAW传感器。

    TORQUE MEASUREMENT WITHIN A POWERTRAIN
    8.
    发明申请
    TORQUE MEASUREMENT WITHIN A POWERTRAIN 有权
    动力传动系统的扭矩测量

    公开(公告)号:US20090314104A1

    公开(公告)日:2009-12-24

    申请号:US12489575

    申请日:2009-06-23

    IPC分类号: G01L3/04

    CPC分类号: G01L3/1428

    摘要: Aspects of the present invention are directed to using surface acoustic wave (SAW) sensors mounted on a disc coupling component in a powertrain to measure the torque generated by an automobile engine. The sensor may be positioned and oriented on the disc coupling component so that the phase velocities of SAWs propagating through active elements of the SAW sensors are aligned with principal strain components due to torque in the disc coupling component. The torque may be calculated by determining the difference between resonant frequencies of the active elements to suppress common-mode interference factors. In addition, SAW resonant frequencies may be communicated in a non-contacting manner by utilizing rotary and stationary couplers employing radio frequency (RF) signals. Moreover, SAW sensors may be activated and interrogated by employing targeted RF pulses having different carrier frequencies at or near respective resonant frequencies of each resonator in a SAW sensor.

    摘要翻译: 本发明的方面涉及使用安装在动力系中的盘联接部件上的表面声波(SAW)传感器来测量由汽车发动机产生的转矩。 传感器可以定位和定向在盘耦合部件上,使得通过SAW传感器的有源元件传播的SAW的相速度由于盘耦合部件中的转矩而与主应变分量对准。 可以通过确定有源元件的谐振频率之间的差来抑制共模干扰因子来计算转矩。 此外,SAW谐振频率可以通过利用采用射频(RF)信号的旋转和静态耦合器以非接触方式传送。 此外,SAW传感器可以通过在SAW传感器中使用每个谐振器的相应谐振频率处或附近的具有不同载波频率的目标RF脉冲来激活和询问SAW传感器。

    APPARATUS FOR AND METHOD OF ATTACHING A STRAIN SENSING ELEMENT TO A SUBSTRATE
    9.
    发明申请
    APPARATUS FOR AND METHOD OF ATTACHING A STRAIN SENSING ELEMENT TO A SUBSTRATE 有权
    将应变传感元件连接到基板的装置和方法

    公开(公告)号:US20100089188A1

    公开(公告)日:2010-04-15

    申请号:US12447004

    申请日:2007-10-08

    IPC分类号: G01D21/00 B23P11/00

    摘要: A circular shaft having a platform formed on it by machining a circular flat into the surface of the shaft. A channel extends around the periphery of the circular flat with a depth in the range of 10 to 15% of the diameter of the shaft and in the range of 30 to 50% of the width/diameter of the platform. The width of the platform is 4 to 7% of the diameter of the shaft. A sensor is mounted on the platform, whereby the formation of the platform and surrounding channel reduces the strain arising in the device which is transferred to the sensor.

    摘要翻译: 一圆形轴,其上形成有一个平台,通过将圆形平面加工成轴的表面。 通道围绕圆形平面的周边延伸,深度在轴的直径的10至15%的范围内,并且在平台的宽度/直径的30至50%的范围内。 平台的宽度为轴直径的4〜7%。 传感器安装在平台上,由此平台和周围通道的形成减少了传递到传感器的装置中产生的应变。

    STRAIN SENSOR PACKAGE WITH CONNECTING PINS IN LID
    10.
    发明申请
    STRAIN SENSOR PACKAGE WITH CONNECTING PINS IN LID 审中-公开
    具有连接引脚的应变传感器封装

    公开(公告)号:US20090107236A1

    公开(公告)日:2009-04-30

    申请号:US12346298

    申请日:2008-12-30

    IPC分类号: G01D11/24 B23P11/00

    摘要: An apparatus 1 for packaging a sensor device comprises a main body 2 having an internal chamber 4 with a base 2b on which, in use, is mounted the sensor so as to couple the sensor to the strain field in an article to which the packaging is attached by means of said base. A lid 3 is separately formed from and is formed of a different material to said base 2b and is sealable to the main body 2 in order to seal close said internal aperture 4. The lid 3 includes contact pins 8, 9 which extend therethrough from one side to the other. A first end 8a, 8b of each said pin 8, 9 extends into said chamber 4 when the lid 3 is positioned on the body 2 for connection to said sensor and a second end 8b, 9b of each said pin 8, 9 extends away from the package when the lid 3 is positioned on the body 2 for connection to a rotary coupler.

    摘要翻译: 用于包装传感器装置的装置1包括具有内部室4的主体2,其具有基部2b,在使用中,基座2b安装有传感器,以将传感器耦合到包装物品的应变场 通过所述基座附接。 盖3由与基座2b不同的材料形成,并且可与主体2密封,以密封所述内孔4.盖3包括接触销8,9,其从一个 一边到另一边 当盖3定位在主体2上以连接到所述传感器时,每个所述销8,9的第一端8a,8b延伸到所述室4中,并且每个所述销8,9的第二端8b,9b远离 当盖3位于主体2上以与旋转耦合器连接时的封装。