公开(公告)号：WO2006122173A3

公开(公告)日：2007-02-15

申请号：PCT/US2006018039

申请日：2006-05-10

Applicant: SCHRADER BRIDGEPORT INT INC ,  BOUDADOUD IDIR ,  STEWART WILLIAM DAVID ,  MCCALL ALAN KENNETH

Inventor： BOUDADOUD IDIR ,  STEWART WILLIAM DAVID ,  MCCALL ALAN KENNETH

IPC: G01F23/22

CPC classification number: G01F23/26 ,  G01F23/22 ,  G01F23/284

Abstract: In a liquid sensing system (10), an RF signal is applied to a series-resonant circuit. The coil (65) of the resonant circuit is placed proximate to a fuel tank (15), causing electromagnetic radiation to propagate into the fuel space. The fuel acts as an electrical load to the resonant circuit in a manner proportionate to the volume of fuel in the tank and/or to variations in electrical properties of the fuel itself. The loading effect of the fuel can change the resonant frequency and/or the Q of the resonant circuit. The loading effect of the fuel is determined by monitoring a change in one or more electrical parameters associated with the excited resonant circuit, such as a voltage across the resistor in the resonant circuit. Changes in this voltage are analyzed by a controller, the result of which is used to output a value indicative of level and/or composition of the fuel.

Abstract translation: 在液体感测系统（10）中，将RF信号施加到串联谐振电路。 谐振电路的线圈（65）靠近燃料箱（15）放置，使得电磁辐射传播到燃料空间中。 燃料以与罐中燃料的体积成比例的方式和/或燃料本身的电气特性的变化作为电耦合到谐振回路。 燃料的负载效应可以改变谐振电路的谐振频率和/或Q。 通过监测与激发的谐振电路相关联的一个或多个电参数的变化（例如谐振电路中的电阻器两端的电压）来确定燃料的负载效果。 该电压的变化由控制器分析，其结果用于输出指示燃料的水平和/或组成的值。

公开(公告)号：WO2006122173A2

公开(公告)日：2006-11-16

申请号：PCT/US2006/018039

申请日：2006-05-10

Applicant: SCHRADER BRIDGEPORT INTERNATIONAL, INC. ,  BOUDADOUD, Idir ,  STEWART, William, David ,  MCCALL, Alan, Kenneth

Inventor： BOUDADOUD, Idir ,  STEWART, William, David ,  MCCALL, Alan, Kenneth

CPC classification number: G01F23/26 ,  G01F23/22 ,  G01F23/284

Abstract: In a liquid sensing system (10), an RF signal is applied to a series-resonant circuit. The coil (65) of the resonant circuit is placed proximate to a fuel tank (15), causing electromagnetic radiation to propagate into the fuel space. The fuel acts as an electrical load to the resonant circuit in a manner proportionate to the volume of fuel in the tank and/or to variations in electrical properties of the fuel itself. The loading effect of the fuel can change the resonant frequency and/or the Q of the resonant circuit. The loading effect of the fuel is determined by monitoring a change in one or more electrical parameters associated with the excited resonant circuit, such as a voltage across the resistor in the resonant circuit. Changes in this voltage are analyzed by a controller, the result of which is used to output a value indicative of level and/or composition of the fuel.

Abstract translation: 在液体感测系统（10）中，将RF信号施加到串联谐振电路。 谐振电路的线圈（65）靠近燃料箱（15）放置，使得电磁辐射传播到燃料空间中。 燃料以与罐中燃料的体积成比例的方式和/或燃料本身的电气特性的变化作为电耦合到谐振回路。 燃料的负载效应可以改变谐振电路的谐振频率和/或Q。 通过监测与激励谐振电路相关联的一个或多个电参数的变化（例如谐振电路中的电阻器两端的电压）来确定燃料的负载效果。 该电压的变化由控制器分析，其结果用于输出指示燃料的水平和/或组成的值。

公开(公告)号：WO2005069993A3

公开(公告)日：2005-08-04

申请号：PCT/US2005/002189

申请日：2005-01-19

Applicant: SCHRADER BRIDGEPORT INTERNATIONAL, INC. ,  STEWART, William, David ,  MCCALL, Alan, Kenneth ,  BOUDAOUD, Idir, ,  ROBB, Stephen John,

Inventor： STEWART, William, David ,  MCCALL, Alan, Kenneth ,  BOUDAOUD, Idir, ,  ROBB, Stephen John,

IPC: B60C23/02

Abstract: A remote tire monitor system (102) includes a control unit (112) and a plurality of tire monitors (124, 126, 128, 130) mountable on respective wheels (104, 106, 108, 110) of a vehicle (100) to transmit radio signals to the control unit. The tire monitors each include a pair of motion sensors such as shock sensors (210, 212) and a control circuit (202) configured to determine position information for the respective tire monitor based on first and second shock sensor signals from the pair of shock sensors. The shock sensors produce an output voltage proportional to a change in applied force. Therefore, the offset created by centrifugal force in previously used accelerometers is absent, simplifying design of the tire monitors.

公开(公告)号：WO2010151327A3

公开(公告)日：2011-02-17

申请号：PCT/US2010001817

申请日：2010-06-24

Applicant: SCHRADER ELECTRONICS LTD ,  MCCALL ALAN KENNETH ,  BOUDAOUD IDIR

Inventor： MCCALL ALAN KENNETH ,  BOUDAOUD IDIR

IPC: G01F23/26 ,  B01D53/86 ,  F01N3/20 ,  G01N27/06 ,  G01N27/22 ,  G01N33/22 ,  G01R27/26

CPC classification number: G01N27/02 ,  F01N3/2066 ,  F01N11/00 ,  F01N2550/05 ,  F01N2610/02 ,  F01N2900/1811 ,  F01N2900/1814 ,  F01N2900/1818 ,  G01F23/2922 ,  G01N21/41 ,  G01N21/8507 ,  G01N33/2847 ,  G01N33/2852 ,  Y02T10/24 ,  Y02T10/47

Abstract: A liquid level, composition and contamination sensor generates an RF signal across a resonant circuit that includes a variable inductor and capacitor. The resulting electromagnetic radiation is propagated into the liquid and changes in impedance and resonance of the resonant circuit that result from changes in the conductivity and dielectric properties of the liquid, which are proportional to liquid content and volume, are detected. The conductivity and dielectric properties of the liquid are measured, based on the changed impedance and resonance of the resonant circuit, and are compared to determine aging and contamination of the urea solution by other liquids. Also, an optical sensor may be submerged in the liquid to determine the refractive index of the liquid. The refractive index of the liquid may be used to determine: if the liquid is water or a urea solution; the concentration of a urea solution.

Abstract translation: 液位，组成和污染传感器在包括可变电感器和电容器的谐振电路上产生RF信号。 所产生的电磁辐射被传播到液体中，并且检测出由与液体含量和体积成比例的液体的导电性和介电性质的变化引起的谐振电路的阻抗和谐振变化。 基于改变的谐振电路的阻抗和共振来测量液体的导电性和介电性能，并且与其相比较以确定其他液体的尿素溶液的老化和污染。 此外，光学传感器可以浸没在液体中以确定液体的折射率。 液体的折射率可用于确定：液体是水还是尿素溶液; 尿素溶液的浓度。

公开(公告)号：WO2009091555A3

公开(公告)日：2009-10-29

申请号：PCT/US2009000233

申请日：2009-01-15

Applicant: GATES CORP A DELAWARE U S A CO ,  SCHRADER ELECTRONICS LTD ,  KNOX GRAEME ,  WACKER CARL ,  MOFFETT RALPH ,  STEWART WILLIAM ,  BOUDAOUD IDIR ,  MCCALL ALAN KENNETH ,  HANES DAVID ,  LYNN WILLIAM DAVID

Inventor： KNOX GRAEME ,  WACKER CARL ,  MOFFETT RALPH ,  STEWART WILLIAM ,  BOUDAOUD IDIR ,  MCCALL ALAN KENNETH ,  HANES DAVID ,  LYNN WILLIAM DAVID

IPC: G01N27/00 ,  G01N27/22

CPC classification number: B65G43/02 ,  G01M13/023

Abstract: A belt monitoring system employs a belt having at least one reinforcement member made from a conductive reinforcement material. A belt monitor is disposed in conjunction with the belt. The belt monitor comprises a field inductor excited by an applied signal. An electrical characteristic of at least a portion of the field inductor as influenced by changes in the electrical properties of the conductive reinforcement member is monitored in order to determine a physical condition of the conductive reinforcement member and thereby monitor a physical characteristic of the belt. This monitoring may be carried out by a sense inductor disposed adjacent or in conjunction with the field inductor.

Abstract translation: 带监测系统采用具有至少一个由导电增强材料制成的增强构件的带。 带监视器与带一起布置。 带监视器包括由施加的信号激励的场感应器。 监测由导电增强构件的电特性的变化所影响的场电感器的至少一部分的电特性，以便确定导电增强构件的物理状况并由此监测该带的物理特性。 该监测可以通过设置在场电感器附近或与场电感器结合的感测电感器来执行。

公开(公告)号：WO2010151327A2

公开(公告)日：2010-12-29

申请号：PCT/US2010/001817

申请日：2010-06-24

Applicant: SCHRADER ELECTRONICS LTD. ,  MCCALL, Alan, Kenneth ,  BOUDAOUD, Idir

Inventor： MCCALL, Alan, Kenneth ,  BOUDAOUD, Idir

IPC: G01F23/26 ,  G01N27/22 ,  G01N33/22 ,  F01N3/20 ,  B01D53/86 ,  G01R27/26 ,  G01N27/06

CPC classification number: G01N27/02 ,  F01N3/2066 ,  F01N11/00 ,  F01N2550/05 ,  F01N2610/02 ,  F01N2900/1811 ,  F01N2900/1814 ,  F01N2900/1818 ,  G01F23/2922 ,  G01N21/41 ,  G01N21/8507 ,  G01N33/2847 ,  G01N33/2852 ,  Y02T10/24 ,  Y02T10/47

Abstract: A liquid level, composition and contamination sensor generates an RF signal across a resonant circuit that includes a variable inductor and capacitor. The resulting electromagnetic radiation is propagated into the liquid and changes in impedance and resonance of the resonant circuit that result from changes in the conductivity and dielectric properties of the liquid, which are proportional to liquid content and volume, are detected. The conductivity and dielectric properties of the liquid are measured, based on the changed impedance and resonance of the resonant circuit, and are compared to determine aging and contamination of the urea solution by other liquids. Also, an optical sensor may be submerged in the liquid to determine the refractive index of the liquid. The refractive index of the liquid may be used to determine: if the liquid is water or a urea solution; the concentration of a urea solution.

Abstract translation: 液位，组成和污染传感器在包括可变电感器和电容器的谐振电路上产生RF信号。 所产生的电磁辐射被传播到液体中，并且检测出由与液体含量和体积成比例的液体的导电性和介电性质的变化引起的谐振电路的阻抗和谐振变化。 基于改变的谐振电路的阻抗和共振来测量液体的导电性和介电性能，并且与其相比较以确定其它液体的尿素溶液的老化和污染。 此外，光学传感器可以浸没在液体中以确定液体的折射率。 液体的折射率可用于确定：液体是水还是尿素溶液; 尿素溶液的浓度。

公开(公告)号：WO2009091555A2

公开(公告)日：2009-07-23

申请号：PCT/US2009/000233

申请日：2009-01-15

Applicant: THE GATES CORPORATION (A DELAWARE U.S.A. CORPORATION) ,  SCHRADER ELECTRONICS LTD. ,  KNOX, Graeme ,  WACKER, Carl ,  MOFFETT, Ralph ,  STEWART, William ,  BOUDAOUD, Idir ,  MCCALL, Alan, Kenneth ,  HANES, David ,  LYNN, William, David

Inventor： KNOX, Graeme ,  WACKER, Carl ,  MOFFETT, Ralph ,  STEWART, William ,  BOUDAOUD, Idir ,  MCCALL, Alan, Kenneth ,  HANES, David ,  LYNN, William, David

IPC: G01N27/00 ,  G01N27/22

CPC classification number: B65G43/02 ,  G01M13/023

Abstract: A belt monitoring system employs a belt having at least one reinforcement member made from a conductive reinforcement material. A belt monitor is disposed in conjunction with the belt. The belt monitor comprises a field inductor excited by an applied signal. An electrical characteristic of at least a portion of the field inductor as influenced by changes in the electrical properties of the conductive reinforcement member is monitored in order to determine a physical condition of the conductive reinforcement member and thereby monitor a physical characteristic of the belt. This monitoring may be carried out by a sense inductor disposed adjacent or in conjunction with the field inductor.

Abstract translation: 皮带监测系统采用具有由导电增强材料制成的至少一个增强部件的皮带。 皮带显示器与皮带一起配置。 带式监视器包括由施加的信号激励的场感应电感。 为了确定导电加强件的物理状态，并且由此监测皮带的物理特性，监测场感应器的至少一部分的电特性，这受到导电加强件的电性能变化的影响。 该监视可以由与场感应器相邻或结合设置的感测电感器来执行。

公开(公告)号：WO2005070707A1

公开(公告)日：2005-08-04

申请号：PCT/US2005/002190

申请日：2005-01-19

Applicant: SCHRADER BRIDGEPORT INTERNATIONAL, INC. ,  STEWART, William, David ,  MCCALL, Alan, Kenneth

Inventor： STEWART, William, David ,  MCCALL, Alan, Kenneth

IPC: B60C23/00

CPC classification number: B60C23/0488 ,  B60C23/0416 ,  B60C23/0437

Abstract: A tire monitor (124, 126, 128, 130) for mounting to a vehicle as part of a remote tire monitoring system (102) includes a tire condition sensor to produce a tire condition signal, a controller (132) coupled to the tire condition sensor to control operation of the tire monitor, and a radio circuit coupled to the controller to transmit radio signals based at least in part on the tire condition signal. A shock sensor is coupled to the controller of the tire monitor to produce a motion signal indicating motion of the tire monitor.

Abstract translation: 用于作为远程轮胎监测系统（102）的一部分安装到车辆的轮胎监视器（124,126,128,130）包括轮胎状态传感器以产生轮胎状态信号，控制器（132），其耦合到轮胎状态 传感器以控制轮胎监视器的操作，以及无线电电路，其耦合到控制器，以至少部分地基于轮胎状况信号来发射无线电信号。 震动传感器耦合到轮胎监视器的控制器以产生指示轮胎监视器的运动的运动信号。

公开(公告)号：WO2009034472A3

公开(公告)日：2009-03-19

申请号：PCT/IB2008/003071

申请日：2008-05-05

Applicant: SCHRADER ELECTRONICS LTD. ,  BOUDAOUD, Idir ,  MCCALL, Alan, Kenneth ,  PAGE, Adrian, M.

Inventor： BOUDAOUD, Idir ,  MCCALL, Alan, Kenneth ,  PAGE, Adrian, M.

IPC: F02D19/08 ,  G01N27/22 ,  G01N33/28

Abstract: An automotive urea solution monitoring device (100) is deployed in conjunction with the urea tank (102) of a selective catalytic reduction vehicle. An RF signal of a constant frequency is generated across a resonant circuit (410), which is comprised of an inductor (411) and a PCB trace capacitor (412). Electromagnetic radiation is propagated into the automotive urea solution in the urea tank. The conductivity and dielectric properties of the liquid change the impedance of the discrete/trace capacitor (412) and or the discrete/trace inductor (411). These changes are proportional to ammonia content, temperature, and/or level of the automotive urea solution in the urea tank and are detected by a microcontroller (401), and then transmitted to a selective catalytic reduction vehicle engine management system.

公开(公告)号：WO2009034472A2

公开(公告)日：2009-03-19

申请号：PCT/IB2008003071

申请日：2008-05-05

Applicant: SCHRADER ELECTRONICS LTD ,  BOUDAOUD IDIR ,  MCCALL ALAN KENNETH ,  PAGE ADRIAN M

Inventor： BOUDAOUD IDIR ,  MCCALL ALAN KENNETH ,  PAGE ADRIAN M

CPC classification number: G01N27/04 ,  F01N3/206 ,  F01N2610/02 ,  F01N2610/1406 ,  F02D2200/0611 ,  G01F23/266 ,  G01N27/221 ,  G01N33/22 ,  G01N33/2852 ,  Y02A50/2325

Abstract: An automotive urea solution monitoring device is deployed in conjunction with the urea tank of a selective catalytic reduction vehicle. An RF signal of a constant frequency may be generated across a resonant circuit, which may be comprised of an inductor and a PCB trace capacitor, or the like. Electromagnetic radiation is propagated into the automotive urea solution in the urea tank. The conductivity and dielectric properties of the liquid change the impedance of the discrete/trace capacitor and or the discrete/trace inductor. These changes are proportional to ammonia content, temperature, and/or level of the automotive urea solution in the urea tank and are preferably detected by a microcontroller, or the like, and then transmitted to a selective catalytic reduction vehicle engine management system, or the like.

Abstract translation: 汽车尿素溶液监测装置与选择性催化还原车辆的尿素罐结合使用。 可以跨谐振电路产生恒定频率的RF信号，谐振电路可以由电感器和PCB迹线电容器等构成。 电磁辐射传播到尿素罐中的汽车尿素溶液中。 液体的导电性和介电性能改变离散/跟踪电容器和/或离散/迹线电感器的阻抗。 这些变化与尿素罐中的汽车尿素溶液的氨含量，温度和/或水平成比例，并且优选地由微控制器等检测，然后传输到选择性催化还原车辆发动机管理系统，或者 喜欢。