Abstract: A flow meter for determining the flow rate of a fluid through a conduit, including an upper body having an inlet chamber, an acoustic channel, an outlet chamber, a sound wave generator, and a sound wave receiver. The inlet chamber, acoustic channel, and outlet chamber are fluidly connected together. The acoustic channel is a non-linear pathway that is symmetrically dimensioned. The sound wave generator is configured to create a sound wave that moves along the liquid pathway formed by the acoustic channel. The receiver detects that sound wave that has moved through the acoustic channel and such information is used to determine the flow rate of the fluid through the flow meter.

Abstract: A fluid flow meter is described, that includes intermeshing gears that may rotate synchronously. The fluid flow meter may produce a pulsed output that can be normalized to suitable values according to a method of normalizing input pulses generated in response to the rotation of gears. A volume counter can be incremented by an amount equal to a volume per input pulse each time an input pulse is generated. When the volume counter exceeds a first reference volume, a normalized output pulse can be generated until the volume counter exceeds a second reference volume.

Abstract: A malfunction diagnosing device that includes pistons arranged in a circumferential direction and discharges oil with rotation in the circumferential direction is provided, including: a pressure sensor for detecting a pressure value of oil discharged from a hydraulic pump in rotation; a speed sensor for detecting a rotation phase of the hydraulic pump at a time when a pressure value of oil is detected by the pressure sensor; a phase calculation part; and a rendering part for rendering a model of a relationship between pressure values of oil detected by the pressure sensor and rotation phases of the hydraulic pump detected by the speed sensor and the phase calculation part to thereby obtain pulsating waveform data. This makes it possible to diagnose a malfunction of the hydraulic pump without influence of a change in a rotation speed of the hydraulic pump.

Abstract: A system includes a device having a first surface configured to be exposed to airflow about an exterior of an aircraft, the device including a first self-compensating heater configured to heat the first surface, a first current monitor configured to sense a first measurement value representing electrical current flow through the first self-compensating heater, one or more processors, and computer-readable memory encoded with instructions that, when executed by the one or more processors, cause the system to receive aircraft flight condition data and produce an icing condition signal based upon the first measurement value and the aircraft flight condition data.

Abstract: An apparatus for measuring at least one measure related to urination of an individual such as urine flow rate and/or urine quantity. The apparatus is configured to produce acoustic and/or electromagnetic signals indicative of the at least one urination measure upon having urine applied thereover. The invention also provides systems and methods that detect the acoustic and/or electromagnetic signals originating from the apparatus being used by the individual and analyze the detected signals to calculate the at least one measure therefrom by using a designated application module operable via an end device using acoustic sensing means or data receiving means of the end device for detecting the acoustic and/or electromagnetic signals.

Abstract: A flow meter assembly having a longitudinal axis includes an upstream member including a first end, a second end, and a fluid passageway extending between the first and second ends, a downstream member including a first end and a second end, and a first throat member including a first end, a second end, and a fluid passageway extending between the first and second ends, wherein the fluid passageway of the first throat member has a minimum diameter that is less than a minimum diameter of the fluid passageway of the upstream member, wherein the first throat member is configured to releasably couple to the upstream member and the downstream member.

Abstract: A particulate matter impact sensor (301) for sensing impacts of particles (106) comprises a support layer (302); and a sensing media layer (300) disposed in front of the support layer (302).

Abstract: An air data probe is provided. The air data probe includes a pitot probe having a mounting base or flange, support strut, and tube with a forward facing inlet that is configured to capture a total pressure of the surrounding air, at least three dams placed within the tube of the pitot probe for blocking the ballistic trajectory of water droplets or ice crystals from passing directly through the tube to a downstream pressure sensing element, and a heater element integrated into the tube of the pitot probe on the outside of the dams. The at least three dams are oriented within the tube of the pitot probe in such a way that the dam locations are configured for two or more installations of the air data probe.

Abstract: An example fluid parameter sensor and meter is disclosed to measure at least one parameter of a fluid. In an example, the fluid parameter meter includes an outer conduit. A sensor element assembly is disposed in the outer conduit and having a plurality of sensor elements to convey the fluid inside of the sensor element assembly. At least one mounting flexure is fixedly attached to the sensor element assembly and to the outer conduit. The at least one mounting flexure is configured to enable the sensor element assembly to vibrate in a radial motion. At least one vibration driver causes the sensor element assembly to vibrate in the radial motion. At least one vibration sensor senses the radial motion of the sensor element assembly. Controlling electronics measure at least one parameter of a fluid based on said radial motion.

Abstract: A method and system for measuring a fluid parameter of a fluid within a fluid containment vessel includes mounting a first multi-sensor assembly to a fluid containment vessel, the first multi-sensor assembly having two or more multi-sensor pairs located at consecutive heights of the fluid containment vessel, each of the two or more multi-sensor pairs having a first multi-sensor and an opposite second multi-sensor, each of the two or more multi-sensor pairs being in communication with a single transmitter assembly. A signal is sent from the first multi-sensor towards the second multi-sensor of the two or more multi-sensor pairs. A transit time for the signal to pass between the first multi-sensor and the second multi-sensor is measured. The transit time of adjacent multi-sensor pairs is compared to identify a fluid boundary within the fluid containment vessel.

Abstract: A fluid flow meter is described, that includes intermeshing gears that may rotate synchronously. The fluid flow meter may produce a pulsed output that can be normalized to suitable values according to a method of normalizing input pulses generated in response to the rotation of gears. A volume counter can be incremented by an amount equal to a volume per input pulse each time an input pulse is generated. When the volume counter exceeds a first reference volume, a normalized output pulse can be generated until the volume counter exceeds a second reference volume.

Abstract: A Coriolis flow meter for measuring one or more properties of a fluid is described herein which involves a modular configuration, and includes a fluid flow sub-system and a mechanical oscillator sub-system, both functionally separate, and are coupled in a closed loop arrangement, such that the flow conduit is not directly vibrated, and instead receives induced oscillations from the mechanical oscillator sub-system. The Coriolis flow meter is useful for high purity applications, as well as for the bioprocessing applications. Bioprocessing systems incorporating the Coriolis flow meter are also described herein. Method for measuring one or more properties of a fluid using the disclosed Coriolis flow meter are also described herein.

Abstract: A flow rate measurement device includes a turbulence reduction component having opening portions and disposed between a measurement channel and a pair of hole portions across which a pair of ultrasonic transceivers are disposed from the measurement channel. The pair of opening portions of the turbulence reduction component each have frame pieces which are substantially identical in width. This makes it possible to reduce, with small attenuation of ultrasound, the occurrence of turbulence that is attributable to entrained flows in the pair of hole portions and is a cause of measurement error, thereby ensuring measurement accuracy.

Abstract: A flow conduit insert for inserting in a flow conduit of an ultrasonic flow meter. The flow conduit insert being designed for increasing the flow velocity of a fluid flowing through the flow conduit. The flow conduit insert includes a flow controlling arrangement, and a fixation arrangement. The flow controlling arrangement has an inner flow channel with a free passage along the longitudinal center axis of the flow conduit over the entire length of the flow conduit insert. The fixation arrangement is arranged to fixate at least one ultrasound reflector.

Abstract: Velocity pressure measuring apparatus and methods include a nozzle having a nozzle inlet end and a nozzle outlet end. A side wall of the nozzle extends along a nozzle axis and has an exterior surface and an interior surface. The interior surface defines a nozzle chamber and has a nozzle inlet cross-sectional area at the nozzle inlet end that is greater than a nozzle outlet cross-sectional area at the nozzle outlet end. A first pressure port extends through the side wall from the exterior surface of the nozzle to the interior surface of the nozzle, and includes a velocity pressure pickup channel extending along a channel axis oriented substantially parallel to the nozzle axis.

Abstract: A vortex meter for measuring a flow rate of a fluid has a flowtube and a bluff body positioned in the flowtube for shedding vortices in the fluid when the fluid flows through the flowtube. The vortex meter has a sensor positioned to detect the vortices. The bluff body has a forward-facing surface and an abrasion-resistant cladding covering the forward facing surface. The bluff body suitably also has a projection extending downstream from the forward-facing surface. The bluff body suitably has an abrasion-resistant cladding covering at least a portion of the projection. In one embodiment, the entire bluff body is completely covered by the abrasion-resistant cladding. The inner surface of a segment of the flowtube can also have abrasion-resistant characteristics.

Abstract: An ultrasonic gas flow meter based on FPGA and DSP consists of ultrasonic gas transducers and sensor components, transmitting/receiving signal channel switch circuits, a driving signal generation and amplification circuit, an echo signal conditioning and collection circuit, a time sequential controlling and signal processing circuit, a man-machine interface, a serial communication module and a power management module, propagation time of ultrasonic echo waves is calculated by adopting a variable ratio threshold and zero-crossing detection method of tracking maximum peak of the echo signal to obtain gas flow rates.

Abstract: A flowmeter having one or more conduits (103, 103?) and a driver (104) coupled to one or more conduits (103, 103?) being configured to vibrate at least a portion of the conduit at one or more drive frequencies. One or more pickoffs (105, 105?) are coupled to the one or more conduits (103, 103?) and are configured to detect a motion of the conduit. A housing (200) has a first compartment (400) and a second compartment (402). The first compartment (400) is fluid-tight and encloses at least a portion of the one or more conduits (103, 103?), the driver (104), and the one or more pickoffs (105, 105?). A sealable fill port (418) is configured to allow the addition of a ballast material to the second compartment (402).

Abstract: A flow rate control apparatus includes an adjustable valve receiving a flow of a gas. A conduit has a first end coupled to the valve. The conduit includes a translucent or transparent portion thereof whose longitudinal axis is adapted to be aligned with a force of gravity with a visual scale being disposed on the translucent/transparent portion. The visual scale is indicative of gas flow rates moving through the conduit. A ball disposed in the translucent/transparent portion has an outer diameter that is less than an inner diameter of the translucent/transparent portion. A tube support, coupled to the second end of the conduit, is adapted to hold a gas detection tube wherein the gas flow flowing around the ball is introduced into the gas detection tube from the second end of the conduit.

Abstract: The invention relates to a device for determining the mass of fluid (2) discharged by an injector (13), the device comprising a housing (1) which is impermeable to fluid and which serves for storing fluid, said housing having an injector port (11) for the connection, in particular of an inlet (12), of the injector (13) and having a fluid port (8) for the infeed of fluid (2), wherein at least one pressure sensor (3) for pressure measurement is provided in the housing (1) in order, by way of an evaluation unit (17), to determine the mass of the fluid (2) in the housing (1) in a manner dependent on the determined pressure.