Abstract: A computer program product includes program instructions executable by a processor to perform various operations. The operations include obtaining data from a flow meter having ultrasonic transducer pairs arranged about a conduit to establish measurement paths, wherein the flow meter data includes ultrasonic pulse transmission and detection data from first and second ultrasonic transducers for each path included in a set of the paths. The operations further comprise determining a first flow rate using the data for each path in the set of the paths, determining a second flow rate using the data for each path in a subset of the paths, wherein the subset of the paths includes fewer paths than in the set of the paths and only paths included in the set of the paths, and determining whether a difference between the first flow rate and the second flow rate is greater than a difference setpoint.

Abstract: Systems or apparatus include a plurality of ultrasonic transducer pairs arranged about a conduit to establish a plurality of measurement paths directed at an acute angle relative to a central axis of the conduit. A control system is configured to perform operations comprising obtaining ultrasonic pulse transmission and detection data from the first and second ultrasonic transducers for each of the measurement paths, determining a first fluid flow rate using the data for each of the measurement paths, determining a second fluid flow rate using a subset of the data that is used to determine the first fluid flow rate, wherein the subset of the data includes only the data for a subset of the measurement paths, and determining whether a difference between the first fluid flow rate and the second fluid flow rate is greater than a difference setpoint.

Abstract: A vest assembly includes a bodice having at least one front pocket and at least one back pocket. A neck collar attaches to the bodice. Preferably, the neck collar includes compressive material to provide cushion and resistance. A collar adjustment, typically an elasticized material, providing adjustable resistance to the neck collar. A plurality of compressive inserts can be selectively inserted in the front pocket and/or the back pocket of the vest assembly. Each compressive insert is a compressive material to provide resistance to a frontal area of a chest of a user. The plurality of compressive inserts are interchangeable and come in varying weights and compressive and/or tensile strengths.

Abstract: A vest assembly includes a bodice having two front upper chest/shoulder compressive regions, two front mid-core compressive regions that surround a trunk area and terminate at one full length back compressive region, each of the compressive regions comprising a compressive material of varying strengths selected to provide cushion and resistance to a specific area of a user's body, a neck collar attached to the bodice and including the compressive material, and a collar adjustment of an elasticized material for providing adjustable resistance to the neck collar.

Abstract: A vest assembly includes a bodice having at least one front pocket and at least one back pocket. A neck collar attaches to the bodice. Preferably, the neck collar includes compressive material to provide cushion and resistance. A collar adjustment, typically an elasticized material, providing adjustable resistance to the neck collar. A plurality of compressive inserts can be selectively inserted in the front pocket and/or the back pocket of the vest assembly. Each compressive insert is a compressive material to provide resistance to a frontal area of a chest of a user. The plurality of compressive inserts are interchangeable and come in varying weights and compressive and/or tensile strengths.

Abstract: The present invention provides an automated meter station monitoring system for a fluid comprising a processor having algorithms for verifying performance of a fluid flow measurement system. A pressure sensor is operatively connected to the processor to measure the pressure of the fluid. A temperature sensor is operatively connected to the processor to measure the temperature of the fluid. A gas chromatograph is operatively connected to the processor to monitor changes in gas composition and chromatograph response factors of the fluid. An ultrasonic meter is operatively connected to the processor to monitor the velocity of the fluid, speed of sound of the fluid, and meter diagnostics. A flow computer is operatively connected to the processor to record pressure of the fluid, record temperature of the fluid, record gas composition of the fluid, calculate compressibility ratio of the fluid, calculate standard flow rate of the fluid, and calculate energy rate of the fluid.

Abstract: The present invention provides an automated meter station monitoring system for a fluid comprising a processor having algorithms for verifying performance of a fluid flow measurement system. A pressure sensor is operatively connected to the processor to measure the pressure of the fluid. A temperature sensor is operatively connected to the processor to measure the temperature of the fluid. A gas chromatograph is operatively connected to the processor to monitor changes in gas composition and chromatograph response factors of the fluid. An ultrasonic meter is operatively connected to the processor to monitor the velocity of the fluid, speed of sound of the fluid, and meter diagnostics. A flow computer is operatively connected to the processor to record pressure of the fluid, record temperature of the fluid, record gas composition of the fluid, calculate compressibility ratio of the fluid, calculate standard flow rate of the fluid, and calculate energy rate of the fluid.

Abstract: The invention relates to an ultrasonic gas flow meter and corresponding method of verification, where the ultrasonic gas flow meter comprises at least one signal evaluation unit, memory, piping through which gas can flow, and ultrasonic transducers disposed on opposite sides of the piping; the ultrasonic gas flow meter is adapted to detect a flow velocity of the gas flowing through the piping. The method comprises a test procedure for verifying the operation of electronics associated with the ultrasonic gas flow meter wherein, when the test procedure is activated, test signals are triggered which replace the propagation times measured with predefined propagation times associated with an assumed gas flow velocity and the output of the evaluation unit is detected to see how the calculated gas flow velocity compares to the assumed gas flow velocity.

Abstract: An ultrasonic measurement device (10) for determining a flow velocity of a fluid in a conduit comprises a pipe section (12) having a central longitudinal axis (22) and a cross section (24) with a radius (R), the central longitudinal axis (22) defining a horizontal reference plane (26); at least a first two-path measurement system with a first path (30a) and a second path (30b) defined by a first pair of ultrasonic transducers (32) and a second pair of ultrasonic transducers (32) mounted to the wall of the pipe section (12), the ultrasonic transducers (32) of each path (30a-b) opposing each other at the ends of their path (30a-b), each path (30a-b) oriented parallel to the horizontal reference plane (26) with a distance to the horizontal reference plane (26) while having a component transverse to the central longitudinal axis (22); first evaluation means (38) to determine a first flow velocity value from the first path (30a) by comparing the ultrasonic transit times along the first path (30a) with and again

Abstract: The invention relates to a method of measuring a gas flow velocity using an ultrasonic gas flow meter, wherein said ultrasonic gas flow meter includes a horizontal piping through which gas can flow in a flow direction and which has a central axis, at least one pair of measurement paths of equal length spaced apart, extending parallel to one another in separate horizontal planes and inclined to said flow direction, wherein each horizontal plane of a pair of measurement paths is vertically offset by an equal predefined distance from said central axis, wherein an ultrasonic transducer is arranged at each end of said measurement path and each ultrasonic transducer is adapted to selectively act as an ultrasonic transmitter and an ultrasonic receiver, the method comprising the steps of measuring a flow velocity of said gas in a measurement path arranged in an upper region of said piping, measuring a flow velocity of said gas in a measurement path arranged in a lower region of said piping and using the results of th

Abstract: An ultrasound measurement apparatus (10) is set forth for measuring the flow speed of a fluid in a conduit (12) having a plurality of ultrasonic transducers (14) pairs of which span between them a plurality of main measurement paths and at least one diagnosis measurement path, and having an evaluation unit (12) which is made to determine a respective individual measured value for the flow speed from transit times of ultrasound transmitted and received with and against the flow on each measurement path (16, 18), to calculate individual measured values of the main measurement paths as a main measured value for the flow speed, to determine a measured diagnosis value from the at least one individual measured value of the diagnosis measured path and to compare the main measured value and the measured diagnosis value with one another.

Abstract: An ultrasonic measurement device (10) for determining a flow velocity of a fluid in a conduit comprises a pipe section (12) having a central longitudinal axis (22) and a cross section (24) with a radius (R), the central longitudinal axis (22) defining a horizontal reference plane (26); at least a first two-path measurement system with a first path (30a) and a second path (30b) defined by a first pair of ultrasonic transducers (32) and a second pair of ultrasonic transducers (32) mounted to the wall of the pipe section (12), the ultrasonic transducers (32) of each path (30a-b) opposing each other at the ends of their path (30a-b), each path (30a-b) oriented parallel to the horizontal reference plane (26) with a distance to the horizontal reference plane (26) while having a component transverse to the central longitudinal axis (22); first evaluation means (38) to determine a first flow velocity value from the first path (30a) by comparing the ultrasonic transit times along the first path (30a) with and again

Abstract: The invention relates to a method of measuring a gas flow velocity using an ultrasonic gas flow meter, wherein said ultrasonic gas flow meter includes a horizontal piping through which gas can flow in a flow direction and which has a central axis, at least one pair of measurement paths of equal length spaced apart, extending parallel to one another in separate horizontal planes and inclined to said flow direction, wherein each horizontal plane of a pair of measurement paths is vertically offset by an equal predefined distance from said central axis, wherein an ultrasonic transducer is arranged at each end of said measurement path and each ultrasonic transducer is adapted to selectively act as an ultrasonic transmitter and an ultrasonic receiver, the method comprising the steps of measuring a flow velocity of said gas in a measurement path arranged in an upper region of said piping, measuring a flow velocity of said gas in a measurement path arranged in a lower region of said piping and using the results of th

Abstract: The invention relates to a method of operating an ultrasonic gas flow meter, the ultrasonic gas flow meter including at least one signal evaluation unit, at least one memory, a piping through which gas can flow, at least one pair of ultrasonic transducers disposed on opposite sides of the piping and separated by a path inclined to a flow direction of the piping, wherein each ultrasonic transducer is connected to an electronic circuit to selectively act as an ultrasonic transmitter and an ultrasonic receiver, wherein the ultrasonic gas flow meter is adapted to detect a flow velocity of the gas flowing through the piping on the basis of differences between propagation times of ultrasonic signals transmitted and received between each pair of transducers and propagating in opposite directions along the path, wherein the method includes a test procedure for verifying the operation of electronics associated with the ultrasonic gas flow meter wherein, when the test procedure is activated, test signals are triggered

Abstract: An ultrasound measurement apparatus (10) is set forth for measuring the flow speed of a fluid in a conduit (12) having a plurality of ultrasonic transducers (14) pairs of which span between them a plurality of main measurement paths and at least one diagnosis measurement path, and having an evaluation unit (12) which is made to determine a respective individual measured value for the flow speed from transit times of ultrasound transmitted and received with and against the flow on each measurement path (16, 18), to calculate individual measured values of the main measurement paths as a main measured value for the flow speed, to determine a measured diagnosis value from the at least one individual measured value of the diagnosis measured path and to compare the main measured value and the measured diagnosis value with one another.

Abstract: A method and ultrasonic meter system for determining pipe roughness. At least some of the illustrative embodiments are ultrasonic meters comprising a spool piece that couples within a flow of fluids, and a first transducer pair mechanically mounted to the spool piece and acoustically coupled to the flow of fluids (wherein the first transducer pair comprises an upstream transducer and a downstream transducer in operational relationship to the upstream transducer and defines a first chord there between). The ultrasonic meter is configured to determine diagnostic data based on acoustic signals transmitted between the first transducer pair (wherein the diagnostic data comprises an asynmmetry of the flow of fluids in the spool piece, a cross flow of the flow of fluids in the spool piece, and a profile factor of the flow of fluids in the spool piece).