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| Number | Title | Issue Date |
| 8186229 | Ultrasonic flow meter having a port cover assembly An ultrasonic flow meter for measuring the flow of a fluid through a pipeline. In some embodiments, the ultrasonic flow meter includes a spool piece, a transducer assembly, and a port cover assembly. The spool piece has a throughbore and a transducer port extending ... | 05/29/2012 |
| 8181533 | Ultrasonic flow meter and transducer assembly with isolated transformer capsule In an embodiment, an ultrasonic flow meter comprises a spool piece including a throughbore and a transducer port extending from the outer surface of the spool piece to the throughbore. In addition, the ultrasonic flow meter comprises a transducer assembly disposed i... | 05/22/2012 |
| 8181534 | Ultrasonic flow meter with transducer assembly, and method of manufacturing the same while maintaining the radial position of the piezoelectric element A transducer assembly for an ultrasonic flow meter comprises a piezoelectric capsule. In an embodiment, the piezoelectric capsule includes a housing having a central axis, a first end, a second end opposite the first end, and a first inner chamber extending axially ... | 05/22/2012 |
| 8166829 | Method and system of an ultrasonic flow meter transducer assembly Ultrasonic flow meter transducer assembly. At least one some of the illustrative embodiment are systems including: a spool piece that defines an exterior surface, a central passage, and a transducer port extending from the exterior surface to the central passage; an... | 05/01/2012 |
| 8132469 | Ultrasonic flow meter with transducer assembly having a rotatable receptacle and elbow connector An ultrasonic flow meter for measuring the flow of a fluid through a pipeline. In an embodiment, the flow meter comprises a spool piece including a throughbore and a transducer port extending to the throughbore. In addition, the flow meter comprises a transducer ass... | 03/13/2012 |
| 7882750 | Method and apparatus for measuring parameters of a fluid flowing within a pipe using a configurable array of sensors An apparatus for measuring at least one parameter associated with a fluid flowing within a pipe includes a single sheet of piezoelectric film material wrapped around at least a portion of the pipe and an array of sensors disposed at different locations on the film m... | 02/08/2011 |
| 7765878 | Method for start-up and monitoring of an inline measuring device The measuring device includes a flow measuring transducer, through which a medium to be measured flows during operation. For monitoring an installed position of the flow transducer, the method of the invention provides, on the basis of application of a suitable tilt... | 08/03/2010 |
| 7690266 | Process fluid sound speed determined by characterization of acoustic cross modes An apparatus measures a speed of sound (SOS) in a process flow by characterizing low order acoustic cross modes in the process flow in a conduit. The apparatus includes transducers on the conduit, spaced from each other around the circumference of the conduit. The t... | 04/06/2010 |
| 7475602 | Process for mounting a clamp-on flow rate measurement device and mounting device for attaching a clamp-on flow rate measurement device A process and device for mounting a clamp-on flow rate measurement device on a measurement pipe using a mounting device having a holding strap with catches. The holding strap can be fastened on the measurement pipe by the holding strap being guided into and through ... | 01/13/2009 |
| 7469598 | Method of employing a transit time ultrasound sensor A method is provided for employing a transit time ultrasound sensor, wherein the sensor can be used for the measurement of liquid flow in a conduit, the sensor having an acoustic path formed of materials matched in ultrasound properties to a flow under test, and des... | 12/30/2008 |
| 7415893 | Bubble generator for use in doppler ultrasonic flowmeter and doppler ultrasonic flowmeter A bubble generator to bring out performance of a Doppler ultrasonic flowmeter to the maximum extent is provided. The bubble generator is provided with a bubble generation member generating bubbles suitable for a predetermined frequency of an ultrasonic pulse ... | 08/26/2008 |
| 7409872 | Vortex flow meter It is an object to provide a vortex flow meter with less measurement errors caused by a temperature change, a pressure change, and a mechanical vibration, and capable of performing a precise measurement regardless of conditions, in addition, to provide a vortex flow... | 08/12/2008 |
| 7399280 | Passive and wireless in-vivo acoustic wave flow sensor A wireless surface wave flow sensor can be utilized for monitoring the flow of fluid. Such a surface wave flow sensor can be configured to include one or more interdigital transducers and a self-heating heater formed upon a piezoelectric substrate. The interdigital ... | 07/15/2008 |
| 7380439 | Apparatus and method for compensating a coriolis meter A flow measuring system is provided that provides at least one of a compensated mass flow rate measurement and a compensated density measurement. The flow measuring system includes a gas volume fraction meter in combination with a coriolis meter. The GVF meter measu... | 06/03/2008 |
| 7367240 | Apparatus and method for providing a flow measurement compensated for entrained gas A apparatus 10, 110 is provided that measures the speed of sound and/or vortical disturbances propagating in a fluid or mixture having entrained gas/air to determine the gas volume fraction of the flow 12 propagating through a pipes and compensating or... | 05/06/2008 |
| 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 |
| 7363811 | Measurement pickup A measurement pickup is provided offering a high measure of safety and having a measurement pickup housing, a sensor element arranged in the measurement pickup, at least one connection element closing the measurement pickup housing, and an excess-pressure protection... | 04/29/2008 |
| 7353696 | Apparatus for measuring methanol concentration An apparatus for measuring a methanol concentration is provided. The apparatus is located in a pipe which supplies liquid fuel to the anode of a direct liquid feed fuel cell, and may include a vertical supporting beam located in the pipe; a horizontal plate located ... | 04/08/2008 |
| 7343818 | Apparatus and method of measuring gas volume fraction of a fluid flowing within a pipe A clamp on apparatus 10,110 is provided that measures the speed of sound or acoustic disturbances propagating in a fluid or mixture having entrained gas/air to determine the gas volume fraction of the flow 12 propagating through a pipe 14. The a... | 03/18/2008 |
| 7334484 | Line pressure measurement using differential pressure sensor A pressure sensor assembly for sensing a pressure of a process fluid includes a sensor body having a cavity formed therein to couple to a process fluid pressure. A deflectable diaphragm in the cavity deflects in response to the first and second process fluid pressur... | 02/26/2008 |
| 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 |
| 7317660 | System and method for measuring wave directional spectrum and wave height A system and method for measuring the directional spectrum of one or more waves in a fluid medium using a multi-beam sonar system is disclosed. In an exemplary embodiment, range cells located within a plurality of acoustic beams are sampled to provide current veloci... | 01/08/2008 |
| 7311004 | Flow control and operation monitoring system for individual spray nozzles An apparatus and process for monitoring fluid flow through a nozzle is disclosed. A vibration sensor, such as an accelerometer, is mounted to a nozzle. The vibration output received from the sensor is then analyzed to determine whether or not the nozzle is operating... | 12/25/2007 |
| 7313488 | Coriolis mode processing techniques Flowmeters are described in which a sensor signal received from a sensor that is attached to vibratable flowtube, so as to determine properties of a fluid within the flowtube, contains a drive signal component and a coriolis mode component. The flowmeters are operab... | 12/25/2007 |
| 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 |
| 7305309 | Transmission measuring system with high time resolution A transmission measuring system includes a subject for transmission measurement for outputting, in response to a start signal for measurement from a central processing unit, an output signal including information on a transmission time to be measured. An analog-digi... | 12/04/2007 |
| 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 |
| 7289914 | Ultrasonic flowmeter and ultrasonic flowmetering method An ultrasonic flowmeter casts an ultrasonic pulse toward a measurement line ML, processes ultrasonic echo signals, and calculates the position and speed of each ultrasonic reflector positioned along the measurement line ML by analyzing the ultrasonic echo signals su... | 10/30/2007 |
| 7283914 | System and method for vibration monitoring The present invention is directed to a system and method of monitoring assets of an enterprise, wherein the assets perform a process and include machines subject to vibration. The system includes a vibration diagnostic software system integrated with a process autom... | 10/16/2007 |
| 7274621 | Systems and methods for flow measurement A system estimates flow parameters associated with a fluid flow encountering a bluff body. The system includes multiple sensors distributed on a surface of a bluff body. The system further includes input circuitry and a sensor processing unit. The input circuitry re... | 09/25/2007 |
| 7270014 | Magnetoinductive flowmeter with sealed coils A magnetoinductive flowmeter for a medium (2), which is flowing through a measuring tube (1) and has a minimum electrical conductivity, having at least two electric coils (3a, 3b), which are arranged opposite one another on ... | 09/18/2007 |
| 7247979 | Device and apparatus for holding a transducer A holder for a transducer having a mounting portion, a coupler, and a clamping portion is disclosed. The mounting portion has a through hole with a conical seat disposed therein, with at least a portion of the through hole being configured to receive the transducer.... | 07/24/2007 |
| 7245385 | Characterizing unsteady pressures in pipes using optical measurement devices An apparatus for measuring at least one parameter associated with a fluid flowing within a pipe comprises an optical measurement device and a signal processor. The optical measurement device provides output signals indicative of unsteady pressures within the fluid a... | 07/17/2007 |
| 7245132 | Intrinsically safe corrosion measurement and history logging field device Corrosion measurement devices are described with electrical isolation and intrinsic safety barriers advanced corrosion measurement in a field transmitter for online corrosion monitoring or off-line corrosion data logging. ... | 07/17/2007 |
| 7242162 | Apparatus and method for retracting awning An apparatus and method for retracting an awning. A sensor detects an awning acceleration caused by wind impacting the awning, and generates a signal having an amplitude corresponding thereto. When the signal exceeds a certain threshold, the awning is retracted. The... | 07/10/2007 |
| 7237440 | Flow measurement apparatus having strain-based sensors and ultrasonic sensors A flow measurement apparatus is provided that combines the functionality of an apparatus that uses strain-based sensors and ultrasonic sensors to measure the speed of sound propagating through a fluid flowing within a pipe, and measure pressures disturbances (e.g. v... | 07/03/2007 |
| 7236912 | Method and device for determining and/or monitoring a volume and/or mass flow A method and a device for determining and/or monitoring the volume flow rate and/or mass flow rate of a medium flowing through a container. In the case of the device, such is an ultrasonic flow measuring device, which works on the basis of the travel-time-difference... | 06/26/2007 |
| 7229465 | Method and apparatus for the detection and ligation of uterine arteries The invention provides devices, systems and methods for occluding arteries without puncturing skin or vessel walls. The devices, systems and methods for occluding arteries are configured to be applied to arteries externally of the arteries. Occlusion may be temporar... | 06/12/2007 |
| 7194919 | Acoustically coupled ultrasonic transit time flow sensors A transit time ultrasound sensor is employed for the measurement of liquid flow in a conduit, the sensor having an acoustic path formed of materials matched in ultrasound properties to the flow under test, and designed to conform to the shape of the conduit. The sen... | 03/27/2007 |
