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Measuring And Testing > Volume Or Rate Of Flow > By Measuring Vibrations Or Acoustic Energy > Reflection Or Scattering Of Acoustic Waves Reflection Or Scattering Of Acoustic WavesReflection Or Scattering Of Acoustic Waves patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/11/07 - 20070006665 - Transmitting and receiving circuitry for an ultrasonic flowmeter, and method for operating such transmitting and receiving circuitry A transmitting and receiving circuitry system for an ultrasonic flowmeter includes an ultrasound transducer interface for connection to an ultrasound transducer of the ultrasonic flowmeter, an amplifier with a first input and a second input, as well as a signal generator for activating the ultrasound transducer, with the first input ... 11/02/06 - 20060243064 - Acoustic wave flow sensor An acoustic wave flow sensor is disclosed, which includes a sensor substrate and an acoustic wave diaphragm etched upon the sensor substrate, wherein mechanical stress or strain is concentrated in the acoustic wave diaphragm. One or more interdigital transducers can be configured upon the acoustic wave diaphragm, wherein the sensor ... 08/10/06 - 20060174717 - Ultrasonic flow velocity meter and ultrasonic transducer thereof The invention provides an ultrasonic flow velocity meter that can measure the flow velocity of a fluid over a wide range of degree of contamination with high degree of accuracy. The ultrasonic flow velocity meter includes a mounting base to be fixed to the outside of a conduit line in ... 07/20/06 - 20060156828 - Ultrasonic flow meter including guide elements The measurement of volume flows or mass flows in the intake system of motor vehicle internal combustion engines plays a significant role in reducing pollutant emissions. Therefore, an ultrasonic flow meter for measuring a flow rate of a fluid flowing in a primary flow direction is described. The ultrasonic flow ... 07/20/06 - 20060156827 - Device for flow measuring using ultrasound An ultrasonic measuring device having at least one ultrasonic transducer, an analyzer circuit, and a reflection surface provided within a flow pipe for a gaseous medium. The first ultrasonic transducer and the second ultrasonic transducer are inclined toward one another, the electronic analyzer circuit being situated between the first ultrasonic ... 07/06/06 - 20060144162 - Method and apparatus for evaluating fluid flow in a heat exchanger A method for diagnosing a vessel having a casing with multiple isolated fluid pathways disposed therein, is provided. The vessel provides for at least one fluid flow. The method includes disposing an ultrasonic device proximate to the vessel, emitting multiple ultrasonic probe signals from the ultrasonic device, evaluating the reflected ... 11/03/05 - 20050241411 - Ultrasonic flowmeter and ultrasonic flowmetering method An ultrasonic flowmeter 10 comprises: a trigger oscillator 14; a pulse receiver 16; a transducer 20 for casting an ultrasonic pulse toward a measurement line ML within a fluid tube 22 according to an electric signal from the pulse receiver 16; a signal processing unit 27 for performing signal processing ... 08/04/05 - 20050166684 - Wedge and wedge unit for use in ultrasonic doppler flow meter A wedge unit according to the present invention is used for an ultrasonic Doppler flow meter, being mounted on the outer wall of a pipe in which a fluid flows, supplying an ultrasonic wave to the fluid, receives the reflected wave and supplies the reflected wave to a flow rate ... ### FreshPatents.com Support |