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| Number | Title | Issue Date |
| 8166828 | Fluid flow meter Fluid flow meters and methods for measuring different aspects of fluid flow with a non-contact sensor are provided. In some cases a fluid flow gear meter is provided with a fluid chamber that is sealed with a cover portion carrying the non-contact sensor. An optiona... | 05/01/2012 |
| 8136409 | Performing metering using pulse counting An apparatus can include a first detector to receive a first signal from a first switch configured to open and close based on position of a metering wheel associated with a flow line. The apparatus can further include a first counter to count within a first range ba... | 03/20/2012 |
| 8109151 | Flow sensing systems and methods A flow sensing system is provided. The system can include a first graphitic member and a first measurement device communicatively coupled to the first graphitic member. The first measurement device is adapted to measure a voltage along each of a plurality of orthogo... | 02/07/2012 |
| 8061217 | Apparatus for measuring a flow rate of a powder An apparatus for measuring a flow rate of a powder when a powder is conveyed by using air as a carrier gas, which apparatus measures the flow rate based on the change of capacitance of the powder to be measured. The apparatus that can measure the flow rate of a powd... | 11/22/2011 |
| 7992450 | Device and method for measuring amounts of milk in particular during the milking process The invention relates to a device for measuring the mass flow, in particular of a foaming liquid, comprising a measuring device with two electrodes and at least one electrical means for generation of an electrical parameter and an analytical device. The electrical m... | 08/09/2011 |
| 7975558 | Method and apparatus for gas flow measurement A method and apparatus for measuring gas flow are provided. In one embodiment, a calibration circuit for gas control may be utilized to verify and/or calibrate gas flows utilized for backside cooling, process gas delivery, purge gas delivery, cleaning agent delivery... | 07/12/2011 |
| 7938018 | Liquid flow sensing systems A liquid flow sensing system for sensing the flow of liquid within a supply line (2) of a metering pumping machine, the system including a magnetic member (4) arranged for movement relative to a pneumatic switch (8) operated by the presence or a... | 05/10/2011 |
| 7891255 | Apparatus for measurement of volume-or-mass-flow of a medium An apparatus for measuring volume- or mass-flow of a medium flowing through a measuring tube in the direction of a measuring tube axis, includes: a magnet system producing a magnetic field passing through the measuring tube essentially transversely to the measuring ... | 02/22/2011 |
| 7886614 | Measuring device and method for monitoring a measuring deivce A measuring device includes: a measuring transducer accommodated, at least partially, in a housing, for registering at least one, measured variable; and a measuring device electronics electrically connected, at least at times, with the measuring transducer. The meas... | 02/15/2011 |
| 7810398 | Concept for detecting a change of a physical quantity by means of a conductor structure An apparatus for detecting a change of a physical quantity by means of a conductor structure having a processor for applying a defined supply signal to the conductor structure so as to effect a current flow through the conductor structure, the current flow being cha... | 10/12/2010 |
| 7788983 | Sensor arrangement A sensor arrangement is arranged to detect at least one position of a displaceable component in a fluid device, which fluid device comprises a wall enclosing a cavity, in which cavity the component is displaced by pressurized fluid selectively applied to the compone... | 09/07/2010 |
| 7779702 | Flow disturbance compensation for magnetic flowmeter A transmitter for a magnetic flowmeter comprises a current source, memory and a signal processor. The current source energizes the flowmeter, such that the flowmeter generates an induced electromotive force in response to a process flow. The memory stores a flow con... | 08/24/2010 |
| 7757567 | Dispensing measurement device and method of measuring dispensing A dispensing measuring device. The device correlates the relative proximity between a Hall effect sensor and a magnet. One is held stationary, while the other is movable in response to ordinary actuation which occurs during dispensing. Detection of changes in the pr... | 07/20/2010 |
| 7743670 | Method and apparatus for gas flow measurement A method and apparatus for measuring gas flow are provided. In one embodiment, a calibration circuit for gas control may be utilized to verify and/or calibrate gas flows utilized for backside cooling, process gas delivery, purge gas delivery, cleaning agent delivery... | 06/29/2010 |
| 7712381 | Antenna device for injecting or extracting microwaves into/from tubular hollow bodies, and device for measuring mass flow by using antenna devices of this type An antenna arrangement for coupling high frequency electromagnetic waves into or out of a pipe-shaped hollow body includes two patch antenna elements that are located opposite one another and integrated in the pipe inner wall (5) of the hollow body (1)... | 05/11/2010 |
| 7637169 | Flangeless magnetic flowmeter with integrated retention collar, valve seat and liner protector A magnetic flowmeter comprises a pipe section, an insulating liner, a flangeless retention collar, a liner protector, a coil and an electromotive force sensor. The insulating liner lines the pipe section to form a process flow channel. The flangeless retention colla... | 12/29/2009 |
| 7467557 | Method for measuring the flow rate of a medium A method is provided for measuring the flow rate of a medium in a volume subjected to a magnetic field. The electrical resistance of a semiconductor arranged adjacent to the volume is measured, and the flow rate of the medium is computed from this electrical resista... | 12/23/2008 |
| 7416542 | Open circuit gravity-assisted uroflowmeter An open circuit gravity-assisted uroflowmeter has a urine collector having a generally open inlet in fluid communication with a sensing passage located at a lower elevation than the inlet, the sensing passage intersecting a magnetic field and having electrodes for d... | 08/26/2008 |
| 7399401 | Methods for use in assessing a flow condition of a fluid A device for use in assessing a flow condition of a fluid, or a fluid in a flow path, is provided. The device comprises at least one electrochemical cell, comprising a working electrode and at least one other electrode, sufficient for communication with the fluid, o... | 07/15/2008 |
| 7390307 | Volumetric physiological measuring system and method A system and method for measuring volumes and areas using electromagnetic induction techniques. A current is generated and fed into one of two coil assemblies to induce voltage into another coil assembly to provide accurate values for volume or area. ... | 06/24/2008 |
| 7380468 | Device for integrating electrodes characterizing the flow of a multiphase fluid in a tubing The invention relates to a device for integrating electrodes (12) characterizing the flow of a multiphase fluid in a tubing (10). The device includes a tube section (14) made out of an electrically insulating material and bearing the electrodes ... | 06/03/2008 |
| 7367239 | Piezocable based sensor for measuring unsteady pressures inside a pipe A piezocable-based sensor for measuring unsteady pressures inside a pipe comprises at least one cable extending around at least a portion of a circumference of the pipe. The cable includes a first electrical conductor, a piezoelectric material disposed around the fi... | 05/06/2008 |
| 7363800 | Apparatus and method for measuring compositional parameters of a mixture An apparatus for measuring compositional parameters of solid, liquid, and gas components of a mixture flowing in a pipe is presented. The apparatus combines three different compositional measurements (e.g., the speed of light (microwave), the speed of sound (sonar),... | 04/29/2008 |
| 7357024 | Sensor carrier for a flow meter A sensor carrier comprising a cover part for a flow meter, with a sensor comprising connecting strands and a plug part covering the sensor and the connecting strands and having connecting pins which can be brought into contact with the connecting strands is characte... | 04/15/2008 |
| 7359803 | Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe An apparatus 10,70 and method is provided that includes a spatial array of unsteady pressure sensors 15-18 placed at predetermined axial locations X1-XN disposed axially along a pipe 14 for measuring at least one par... | 04/15/2008 |
| 7353119 | Reduced noise sensitivity in magnetic flowmeter A magnetic flowmeter for measuring flow of a process fluid includes a coil configured to apply a magnetic field to the process fluid. Electrodes are arranged to sense a fluid voltage signal related to the applied magnetic field and fluid flow. An analog to digital c... | 04/01/2008 |
| 7349819 | Method for providing robustness to the solution of the cubic equation of state The cubic equations of state (CEOS) relate pressure, temperature and molar volume of a mixture. The deviation of the physical properties of a mixture from ideality is expressed by the compressibility factor. The compressibility factor is calculated from the CEOS. Th... | 03/25/2008 |
| 7343262 | Self-propelled harvesting machine and operating method therefor A method of operating a self-propelled harvesting machine includes continuously separating a crop-material flow into a useful-material flow and a remaining-material flow, in a separating step of the machine, capturing at least a portion of the useful-material flow f... | 03/11/2008 |
| 7330797 | Apparatus and method for measuring settlement of solids in a multiphase flow A method and apparatus for measuring a parameter of a flow passing through a pipe is provided, wherein the apparatus includes at least two spatial array of sensors disposed at different axial locations along the pipe, wherein each of the sensors provide a signal ind... | 02/12/2008 |
| 7328624 | Probe for measuring parameters of a flowing fluid and/or multiphase mixture A probe 10,170 is provided that measures the speed of sound and/or vortical disturbances propagating in a single phase fluid flow and/or multiphase mixture to determine parameters, such as mixture quality, particle size, vapor/mass ratio, liquid/vapor ratio, ... | 02/12/2008 |
| 7322251 | Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors A method, apparatus and system are provided to measure the process flow of a fluid or medium traveling in a pipe. The system and apparatus feature a standoff and piezoelectric-based sensor arrangement having a plurality of standoffs arranged on a pipe and a pluralit... | 01/29/2008 |
| 7321846 | Two-wire process control loop diagnostics A diagnostic device for coupling to a process control loop includes digital communication circuitry configured to receive a digital communication signal from the process control loop. The digital communication signal is a digitally modulated analog signal on the pro... | 01/22/2008 |
| 7308820 | Piezocable based sensor for measuring unsteady pressures inside a pipe A piezocable based sensor for measuring unsteady pressures inside a pipe comprises a cable wrapped around the pipe and an outer band compressing the cable towards the pipe. The cable provides a signal indicative of unsteady pressure within the pipe in response to ex... | 12/18/2007 |
| 7296483 | Magnetoinductive flowmeter with detachable components A magnetoinductive flowmeter incorporates an electromagnetic circuit with at least one coil and a minimum of two detachably interconnected components of a magnetic material. One of the components features a resiliently deformable spring section that presses against ... | 11/20/2007 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
| 7286945 | Apparatus and method for identifying possible defect indicators for a valve A method, apparatus, and computer program are provided for identifying possible indicators of a defective valve. The method, apparatus, and computer program decompose a signal having a plurality of process variable measurements into a plurality of resolution levels.... | 10/23/2007 |
| 7280926 | Reduced noise sensitivity in magnetic flowmeter A magnetic flowmeter for measuring flow of a process fluid includes a coil configured to apply a magnetic field to the process fluid. Electrodes are arranged to sense a fluid voltage signal related to the applied magnetic field and fluid flow. An analog to digital c... | 10/09/2007 |
| 7275421 | Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe An apparatus 10 and method is provided that includes a spatial array of unsteady pressure sensors 15-18 placed at predetermined axial locations x1-xN disposed axially along a pipe 14 for measuring at least one parame... | 10/02/2007 |
| 7261002 | Flow rate measurement for industrial sensing applications using unsteady pressures Flow rate measurement system includes two measurement regions 14,16 located an average axial distance ΔX apart along the pipe 12, the first measurement region 14 having two unsteady pressure sensors 18,20, located a distance X1 | 08/28/2007 |
| 7254518 | Pressure transmitter with diagnostics In one embodiment, a pressure transmitter is provided which diagnoses the condition of a primary element and/or an impulse line which connects to a pressure sensor. A difference circuit coupled to the pressure sensor has a difference output which represents the sens... | 08/07/2007 |
