Matches 1 - 50 out of 109 1 2 3 >


Match Document Document Title
US20080250869 Remote Monitoring of Fluid Pipelines  
Pipeline including a system for monitoring fluid flowing through the pipeline includes a conduit defining an interior and at least one sensor assembly arranged in the interior. Each sensor...
US20130283930 Ultrasonic, Flow Measuring Device  
An ultrasonic, flow measuring device, comprising an ultrasonic transducer in a bore of a measuring tube, which ultrasonic transducer has an ultrasound window, wherein a guide vane is inserted into...
US20130061687 PORTABLE ULTRASONIC FLOW MEASURING SYSTEM, MEASURING DEVICES AND MEASURING TUBE  
The invention relates to a measuring device for a portable ultrasonic flow measuring system, which measuring device comprises two sensor heads. Each of the sensor heads comprises a sensor housing...
US20110005335 Turbulence conditioner for transit time ultrasonic flow meters and method  
An apparatus for determining fluid flow in a pipe includes an ultrasonic flowmeter which communicates with the interior of the pipe through at least one pair of apertures, where each aperture of...
US20090151472 Turbulence conditioner for transit time ultrasonic flow meters and method  
An apparatus for determining fluid flow in a pipe includes an ultrasonic flowmeter which communicates with the interior of the pipe through at least one pair of apertures, where each aperture of...
US20140083202 Ultrasonic, Flow Measuring Device  
Please replace the abstract that appears on page 32 of the specification with the following revised abstract which is submitted on a separate sheet.
US20120006127 FLOW METER UNIT WITH WATER-TIGHT CASING  
An ultrasound flow meter unit, e.g. a unit forming part of a flow meter for ultrasonic measurement of a fluid flow. The unit comprises two ultra-sound transducers 206, a circuit board 202 with an...
US20110226067 OSCILLATION CIRCUIT  
An oscillation circuit has an oscillator having a resonant frequency, an amplifier connected to the oscillator, an energizing pulse generator for generating a energizing pulse within a certain...
US20090290731 Circuit arrangement for the bidirectional operation of a sound transducers disposed at the ends of a measuring section  
A sensor circuit for a flow sensor comprises terminating impedances connected in parallel to the sound transducers and has a signal generator, which is configured as a power source. The circuit...
US20130247685 MEASUREMENT ARRANGEMENT AND METHOD  
A measurement arrangement comprises a clock generator (11) which can be coupled to an emitting ultrasonic transducer (13) and a mixing arrangement (12) for providing a first mixer output signal...
US20140020478 ULTRASONIC WEDGE AND METHOD FOR DETERMINING THE SPEED OF SOUND IN SAME  
A wedge and a method for determining the speed of sound in the wedge is disclosed. The wedge includes a reflecting wall and is configured such that a portion of the main ultrasonic signal...
US20100005901 METHOD AND SYSTEM OF COORDINATION OF MEASUREMENT SUBSYSTEMS OF A FLOW METER  
Coordination of measurement subsystems of a flow meter. At least some of the illustrative embodiments are flow meters comprising a spool piece that defines a central passage, a first plurality of...
US20150160052 Ultrasonic, Flow Measuring Device  
A method for manufacturing an ultrasonic, flow measuring device, characterized by method steps as follows: selecting a number larger than one of straight subsections of the first signal path,...
US20060170543 Transmitter for providing inventory or inventory transfer information on a product in a container  
A transmitter for providing inventory or inventory transfer information on industrial sites is described, for measurement of mass (M), weight (W), volume (V), level (L) and/or density (p) of a...
US20120255368 FLOW RATE MEASURING DEVICE  
When a flow rate is equal to or more than a reference flow rate, a reference voltage is changed to a level capable of measuring stably to thereby realize the improvement of measurement accuracy at...
US20150260560 ULTRASONIC FLOWMETER HAVING PRESSURE BALANCING SYSTEM FOR HIGH PRESSURE OPERATION  
A system is provided with an ultrasonic flow meter. The ultrasonic flow meter includes a first ultrasonic transducer disposed about a fluid flow path, and a pressure balancing system configured to...
US20140053659 ULTRASONIC FLOWMETER HAVING PRESSURE BALANCING SYSTEM FOR HIGH PRESSURE OPERATION  
A system is provided with an ultrasonic flow meter. The ultrasonic flow meter includes a first ultrasonic transducer disposed about a fluid flow path, and a pressure balancing system configured to...
US20090000394 ULTRASONIC SENSOR WITH RECIPROCAL TRANSMITTING AND RECEIVING CIRCUIT  
An ultrasonic sensor has at least two ultrasonic converters for transmitting and receiving ultrasonic signals, connected with a transmitting circuit and a receiving circuit. A switching device is...
US20140109687 QUANTITATIVE ANALYSIS OF FLOW PROFILE CHARACTERISTICS FOR ULTRASONIC METERING SYSTEMS  
An ultrasonic flow metering system includes a condition monitor. For each chordal path of a plurality of chordal paths of an ultrasonic flow meter the condition monitor is configured to compute:...
US20110174083 METHOD AND MEASURING SYSTEM FOR DETERMINING AND/OR MONITORING THE FLOW OF A MEASURED MEDIUM THROUGH A MEASURING TUBE  
Measuring system (1) for determining and/or monitoring flow of a measured medium (25) through a measuring tube (2), wherein the measuring system (1) includes: At least one control/evaluation unit...
US20130269447 FLOW METER DEVICE  
In a flow meter device of the present invention, a time measuring section of the flow meter device includes a first counter which starts counting at a starting point of measurement of propagation...
US20070151363 Non-invasive sensing technique for measuring gas flow and temperature  
A non-invasive method for measuring the flow rate and temperature of a gas flowing through a gas passageway. An inventive ultrasound sensor assembly includes a housing having opposed first and...
US20140352453 FLOWMETER  
Flowmeter for a fluid, comprising a duct unit which forms the ducts of the flowmeter, the duct unit having a plurality of ducts in a measurement region, and at least one measuring device being...
US20080250870 Low Power Ultrasonic Flow Measurement  
There is described a method of ultrasonic flow measurement for measuring a flow speed of a fluid in a conduit, the method comprising: providing an ultrasonic flow meter comprising a...
US20100299088 ULTRASONIC CLAMP-ON MULTIPHASE FLOWMETER  
A multiphase flowmeter for determining at least one characteristic of a first phase flowing in a pipe with at least a second phase being also present in the pipe is disclosed. The multiphase...
US20140236533 Ultrasonic Flow Meter  
A method for estimating and correcting or at least reducing phase errors in received ultrasonic signals in an ultrasonic flow meter is disclosed, the method including the steps of: measuring one...
US20130098168 CONSTRUCTION FOR MOUNTING ULTRASONIC TRANSDUCER AND ULTRASONIC FLOW METER USING SAME  
Ultrasonic transducers are attached in a direction of compressing O-ring provided in a housing with a flow passage. Biasing means makes contact with and presses these ultrasonic transducers and at...
US20090097354 Method and System for Detecting Deposit Buildup Within an Ultrasonic Flow Meter  
Methods and systems for detecting deposit buildup within an ultrasonic flow meter are disclosed. At least some of the illustrative embodiments are ultrasonic flow meters comprising a spool piece...
US20130167655 ULTRASONIC FLOW RATE MEASUREMENT DEVICE  
Ultrasonic flow rate measurement device includes measurement flow path in which a fluid to be measured flows, and a pair of ultrasonic vibrators that are disposed in directions such that a...
US20100005902 ULTRASONIC FLUID MEASURING DEVICE  
An ultrasonic fluid measuring device capable of improving a measuring accuracy is provided. An ultrasonic fluid measuring device 10 includes an ultrasonic measuring portion 20 in which a first...
US20100242621 Method and apparatus for the measurement of the mass fraction of water in oil-water mixtures  
An apparatus for measuring the mass fractions of water and oil in a flowing mixture of oil and water through a pipe includes a sensor portion that measures sound velocity and temperature of the...
US20100024570 Device for Determining or Monitoring a Medium Volume or Mass Flow Rate in a Conduit  
An ultrasonic, flow measuring device having a plurality of measuring channels. At least one ultrasonic sensor is situated in a first region of a pipeline, or measuring tube; at least two...
US20110163298 Graphene and Hexagonal Boron Nitride Devices  
Graphene layers, hexagonal boron nitride (hBN) layers, as well as other materials made of primarily sp2 bonded atoms and associated methods are disclosed. In one aspect, the present invention...
US20070151362 Ultrasonic flowmeter, wedge for ultrasonic flowmeter, method for setting ultrasonic transmitting/receiving unit, and ultrasonic transmitting/receiving unit  
In order to provide a technology in an ultrasonic flowmeter to efficiently penetrate through both of a wedge and a fluid pipe surface so as to contribute to more accurate measurement of a flow...
US20140196547 Deployable Ultrasonic Flow Meter That is Inserted Through a Gate Valve Slot, Method and Apparatus  
A frame that is inserted into a gate valve slot which accesses a channel through which fluid flows so an ultrasonic flowmeter can measure the fluid flow through the channel. The frame includes a...
US20120079890 MEASURING DEVICE AND METHOD FOR MEASURING A MEASURED VARIABLE  
Method and measuring device for measuring at least one measured variable. A first sensor transmits a first measurement signal, which includes at least one half-wave of a mechanical wave or an...
US20070244427 Non-invasive flow measurement  
An elastomeric acoustic coupler formed by molding a thermoplastic or silicone rubber into a recess of a surgical cassette housing. The coupling has a raised pad to aid in the removal of all air...
US20130269448 Flow Measuring Device  
Flow measuring device for ascertaining flow of a measured medium flowing through a measuring tube, which flow measuring device has a first housing for protruding into the measured medium, wherein...
US20110016985 DEVICE AND METHOD FOR MEASURING A FLOW CHARACTERISTIC OF A FLUID IN A CONDUIT  
A device for determining a flow characteristic, in particular flow velocity, of a fluid in a conduit, comprises a conduit body (110), at least four pairs of ultrasonic transducers (116, 118; 122,...
US20150198470 Self-Checking Flow Meter and Method  
A self-checking ultrasonic flow meter for measuring fluid flow in a conduit which includes a plurality of transducers engaged with the conduit. The flow meter includes a signal processor in...
US20140109688 ULTRASONIC FLOWMETER AND FLUID CONTROLLER HAVING THE SAME  
An ultrasonic flowmeter includes a measurement pipe through which a fluid flows, and two ultrasonic transceivers mounted on two transmitting bodies, respectively. The transmitting bodies are...
US20130327156 ULTRASONIC FLOW SENSOR AND METHOD  
A flow sensor includes a conduit and an ultrasonic transceiver. The conduit has an inner surface and an outer surface. The inner surface defines a flow passage through which a fluid may flow in a...
US20120186362 Adjustable ultrasonic gas flow measurement device  
An adjustable ultrasonic gas flow measurement device includes a gas pipe, a transmitter, a receiver and a micro-processing module. The gas pipe is filled with a gas under test. The transmitter and...
US20150107370 METHOD FOR MONITORING THE OPERATING STATE OF AN ULTRASONIC TRANSDUCER IN AN ULTRASONIC, FLOW MEASURING DEVICE  
A method for monitoring the operating state of a first ultrasonic transducer in an ultrasonic, flow measuring device having at least one measuring tube and at least two ultrasonic transducers,...
US20090158858 METHOD FOR QUANTIFYING VARYING PROPAGATION CHARACTERISTICS OF NORMAL INCIDENT ULTRASONIC SIGNALS AS USED IN CORRELATION BASED FLOW MEASUREMENT  
According to the present invention, a method is provided for sensing a fluid flow within a pipe having a lengthwise axis to determine a parameter of the fluid flow. The method includes the...
US20120312522 PRESSURE BALANCED ULTRASONIC FLOWMETER  
A system, including an ultrasonic flow meter with a conduit including a conduit wall and configured to flow a fluid, an housing disposed about the conduit to define a fluid chamber about the...
US20140366642 ULTRASONIC FLOWMETER  
An ultrasonic flowmeter includes a plurality of ultrasonic wave elements attached to an outer wall of a pipeline through which a measurement target fluid flows, and configured to transmit and...
US20150000420 ULTRASONIC FLOW METERING USING COMPENSATED COMPUTED TEMPERATURE  
Apparatus and methods for verifying temperature measurements in an ultrasonic flow meter. An ultrasonic flow metering system includes a passage for fluid flow, a temperature sensor, an ultrasonic...
US20090223306 Apparatus and method for operation in the laminar, transition, and turbulent flow regimes  
An apparatus for determining fluid flow in a pipe apparatus includes a fluid nozzle in contact with the pipe having a contour without negative pressure gradients along the nozzle's surface as...
US20140102213 ULTRASONIC FLOWMETER  
The present invention is one that suppresses crosstalk caused by switching means adapted to switch transmission/reception between ultrasonic transceivers that are paired, and provided with: a...

Matches 1 - 50 out of 109 1 2 3 >