FREE patent keyword monitoring and additional FREE benefits. http://images1.freshpatents.com/images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
FreshPatents.com Logo    FreshPatents.com icons
Monitor Keywords Patent Organizer File a Provisional Patent Browse Inventors Browse Industry Browse Agents

Volume Of Flow, Speed Of Flow, Volume Rate Of Flow, Or Mass Rate Of Flow

Volume Of Flow, Speed Of Flow, Volume Rate Of Flow, Or Mass Rate Of Flow patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

Related Categories:

Measuring And Testing


Instrument Proving Or Calibrating > Volume Of Flow, Speed Of Flow, Volume Rate Of Flow, Or Mass Rate Of Flow



Air flow rate adjusting apparatus
12/18/14 - 20140366607 - An air flow rate adjusting apparatus adjusts an output of an air flow meter based on a dimension of a gap between a back surface of a sensor chip and a bottom surface of a recess of a support plate....

Method for calibrating mass flow controllers in a printing apparatus for dispensing a liquid composition on a backplane
10/30/14 - 20140318210 - A method for calibrating liquid flow measurements in a printing apparatus that includes a liquid flow line having a flow meter therein comprises the steps of: (a) using a positive displacement liquid pump operable while connected in fluid communication with the flow meter, pumping a liquid at a directly measured,...

Air-flow sensor for adapter slots in a data processing system
10/16/14 - 20140305183 - An air-flow sensor is configured to be positioned in an air-flow and attached to a surface in a manner that allows air to flow over an extremity of the sensor. The air-flow sensor includes a base plate, a first heater, a first temperature sensor, a spacer, a second heater, a...

Techniques for calibrating an air-flow sensor for adapter slots in a data processing system
10/16/14 - 20140305184 - A technique for calibrating a fluid flow sensor includes generating fluid flow at a first speed. A first temperature of the fluid flow is determined using a first temperature sensor that is positioned upstream of the fluid flow sensor. A first power is supplied to a main heater of the...

Frequency based prover apparatus and method
10/09/14 - 20140298882 - A time correlated dual chronometric interpolated prover apparatus with temporal reconciliation assembly is operable for producing signals for selecting a corrected time interval B of the flowmeter output signal for comparison with the time interval A. The temporal reconciliation assembly being configured for detecting a plurality of frequencies of pulses...

Method for correcting offset drift effects of a thermal measurement device, thermal measurement device and gas flow meter
08/21/14 - 20140230519 - A method for correcting offset drift effects of a thermal measurement device (10) which comprises at least one temperature sensor (15a, 15b) arranged at a defined distance from a heating device (12) for a fluid to be measured, for measuring at least one measurement variable describing the temperature and/or temperature...

Device for measuring a fuel flow and calibrating device therefor
08/07/14 - 20140216126 - A device for measuring a fuel flow in a test stand comprises a measuring module (10) for measuring a fuel flow guided through the measuring module (10) as well as a conditioning module (11) arranged downstream of the measuring module (10) for conditioning the fuel. Moreover, a verification module (19)...

Compensating for frequency change in flowmeters
07/24/14 - 20140202228 - Motion is induced in a conduit that contains a fluid. The motion is induced such that the conduit oscillates in a first mode of vibration and a second mode of vibration. The first mode of vibration has a corresponding first frequency of vibration and the second mode of vibration has...

Vapor elimination liquid proving system with top or bottom fill and bottom drain prover
05/22/14 - 20140137625 - A liquid proving system is provided with a small volume liquid prover draining into a liquid holding tank that has capacity for multiple proving measurements. The small volume liquid prover can either be top-filled or bottom-filled, or exclusively bottom-filled. A liquid holding tank baffle assembly contains saturated vapor from an...

Vibratory flow meter and zero check method
05/22/14 - 20140137626 - A vibratory flow meter (5, 300) is provided. The vibratory flow meter (5, 300) includes a flow meter assembly (10, 310) including at least two vibration sensors (170L and 170R, 303 and 305) that generate at least two vibrational signals and meter electronics (20, 320) that receives the at least...

Systems and methods for remote testing of a flow switch
05/22/14 - 20140137627 - Systems and methods for the remote testing of a paddle-type flow detector, such as are common in fire protection systems. Specifically, the systems and methods provide for mechanical movement of the vane to test activation of the flow detector under a flow condition, and which measure the amount of time...

Method and apparatus for determining differential flow characteristics of a multiple meter fluid flow system
05/08/14 - 20140123727 - A fluid flow system (300) is provided. The fluid flow system (300) includes a pipeline (302) with a flowing fluid. The fluid flow system (300) further includes a first vibrating meter (5) including a first sensor assembly (10) located within the pipeline (302) and configured to determine one or more...

Apparatus, method and system for calibrating a liquid dispensing system
04/24/14 - 20140109644 - An apparatus, method and system providing for calibration and/or control of a liquid dispensing system is disclosed. The hand-held calibration auditing tool includes a flow meter (36-37) with inlets adapted for quick connection to one or more liquid inputs and/or liquid outputs of a liquid dispensing system (10). A sensor...

Inert gas delivery system for electrical inspection apparatus
03/13/14 - 20140069165 - An apparatus for electrical inspection is disclosed. The apparatus comprises an inert gas delivery system that delivers inert gas near a microscope imaging element and electrical test probes. A gas supply provides an inert gas such as argon or nitrogen. The inert gas displaces oxygen to prevent premature oxidation of...

Systems and methods for mass flow controller verification
03/06/14 - 20140060147 - A method and system are disclosed for verifying the flow rate of gas through a mass flow controller, such as a mass flow controller used with a tool for semiconductor or solar cell fabrication. To verify the mass flow rate measured by the mass flow controller, gas passing through the...

System of verifying operation of electromagnetic flow meter
12/26/13 - 20130340498 - A system of verifying an operation of an electromagnetic flow meter, includes a plurality of comparing modules configured to compare a plurality of parameters respectively obtained from modules of the electromagnetic flow meter with threshold values respectively, to output compared results, and a determining module configured to determine in real...

Techniques for distributed acoustic sensing
11/14/13 - 20130298635 - The application describes techniques for monitoring the rate of flow of fluid in a conduit (205) using fibre optic distributed acoustic sensing which are especially applicable to flow in oil and gas wells. The techniques also allow for calibration of the position of the channels of a fibre optic distributed...

Method for correlating a monitoring device to the end of service life of a filter cartridge
10/10/13 - 20130263640 - Methods of correlating a monitoring device to the service life of a filter cartridge include providing a monitoring device, and calibrating the monitoring device to correspond to the service life of a filter cartridge. The monitoring device comprises a demand substance within a receptacle, a sensing element with a detection...

Coriolis mass flowmeter and method for operating a coriolis mass flowmeter
09/05/13 - 20130228003 - A method and Coriolis mass flowmeter, wherein the Coriolis mass flowmeter includes at least one measurement tube through which a medium flows, at least one exciter system arranged in the central region of the at least one measurement tube which causes the measurement tube to oscillate, and at least two...

Mass flow controller verifying system, verifying method and verifying program
07/11/13 - 20130174635 - In a mass flow controller verifying system, there are provided a verifying gas line arranged in parallel to influent flow gas lines and joined into a post-confluent flow gas line, a reference volume calculating portion adapted to calculate a reference volume determined for a specified piping of a gas piping...

Calibration procedure considering gas solubility
06/13/13 - 20130145816 - A method of calibrating a flow meter is provided. The method initiates with identifying a calibration fluid for a processing fluid. The calibration fluid has physical properties in common with the processing fluid with the exception of an outgassing characteristic. The method includes adding the calibration fluid to a vessel,...

Torsional flow sensor
06/13/13 - 20130145817 - A flow sensor with h no moving parts and which is suitable for miniaturization into a probe for fluid measurements in remote, hostile environments. It comprises an isolation torque tube to isolate a high pressure media from an instrument environment. and a highly sensitive disc torque sensor to measure the...

Sensor assembly validation
05/23/13 - 20130125612 - A method for validating a sensor assembly of a meter is provided. The method comprises a step of receiving one or more sensor calibration values. The method further comprises a step of comparing the received sensor calibration values to one or more known sensor calibration values. The method can then...

Ultrasonic flow meter
02/28/13 - 20130047695 - An ultrasonic flow meter is disclosed, including a switching unit for switching electrical transmission signals between a signal generator and at least two ultrasonic transducers and for switching electrical reception signal between the transducers and a receiver circuit, wherein the switching unit is coupled to an output terminal of an...

Fault diagnosis apparatus for airflow meter
02/14/13 - 20130036788 - Disclosed is a fault diagnosis apparatus for an airflow meter for determining that the airflow meter has a fault when a divergence ratio, i.e., a divergence value of an estimated intake-air quantity with respect to an actual intake-air quantity obtained by the airflow meter is greater than a fault-determination reference...

Flow meter and use thereof for determining a flow of a medium, as well as a method therefor
12/06/12 - 20120304731 - The invention relates to a flow meter for determining a flow of a medium. The flow meter comprises a flow tube for transporting the medium whose flow is to be measured. The flow tube has a supply end and a discharge end disposed downstream thereof. The flow meter is provided...

Systems and methods for remote testing of a flow switch
11/22/12 - 20120291518 - Systems and methods for the remote testing of a paddle-type flow detector, such as are common in fire protection systems. Specifically, the systems and methods provide for mechanical movement of the vane to test activation of the flow detector under a flow condition, and which measure the amount of time...

Method for adjusting flow measuring device
11/22/12 - 20120291519 - A method is for adjusting a flow measuring device that includes a housing and a flow sensor. The housing includes a bypass flow passage which is formed to take in a part of a mainstream of air. The sensor is disposed in the bypass flow passage and outputs an electrical...

Method and a device for real time monitoring of a system for measuring a fuel flow rate
11/01/12 - 20120272710 - A device and method of monitoring the measurement of a fuel flow rate fed to an airplane engine includes delivering the measurement from a mass flowmeter. The monitoring also includes evaluating whether at least the following conditions are satisfied: a signal delivered by the flowmeter is less than a given...

Inert gas delivery system for electrical inspection apparatus
09/27/12 - 20120240657 - An apparatus for electrical inspection is disclosed. The apparatus comprises an inert gas delivery system that delivers inert gas near a microscope imaging element and electrical test probes. A gas supply provides an inert gas such as argon or nitrogen. The inert gas displaces oxygen to prevent premature oxidation of...

Framework with stanchions for a prover
08/30/12 - 20120216594 - A prover mounted upon a supporting lower framework includes a piston supporting rod extending longitudinally through a cylinder, which cylinder receives and discharges a fluid to measure the flow rate of the fluid by translation of the piston from the fluid receiving end to the fluid discharging end. Motive means...

Apparatus and method for determing displacer position in a flowmeter prover
07/26/12 - 20120186323 - Apparatus and methods for proving a flowmeter. In one embodiment, a flowmeter prover includes a flow tube, a displacer, and a signal analyzer. The displacer is moveable in a flow passage of the flow tube. A magnetic target is disposed on the displacer. One or more inductive transducers are disposed...

Electromagnetic flow rate measurement system and calibrator therefor
03/01/12 - 20120047987 - One embodiment of an electromagnetic flow rate measurement system includes electromagnetic flowmeters arranged at intervals from one another in the peripheral direction of an annular flow passage 1 in which an electric conductive fluid flows. Each of the electromagnetic flowmeters comprises: an excitation member that has magnets arranged at intervals...

Method of calibrating the meter of a product distribution apparatus and monitoring method
02/16/12 - 20120036914 - A product distribution apparatus, shown in the form of an agricultural air seeder is disclosed having sensors to measure the mass flow through the distribution system, sensors to weigh the tank and the product therein, and sensors to measure the quantity of product in the tank. The sensors are used...

Methods and apparatus for calibrating flow controllers in substrate processing systems
11/03/11 - 20110265549 - Methods and apparatus for calibrating a plurality of gas flows in a substrate processing system are provided herein. In some embodiments, a substrate processing system may include a cluster tool comprising a first process chamber and a second process chamber coupled to a central vacuum transfer chamber; a first flow...

Method and mass flow controller for enhanced operating range
10/13/11 - 20110247390 - A mass flow controller (MFC), a method for calibrating an MFC, and a method for operating an MFC are disclosed. The method for calibrating the MFC includes obtaining data relative to two signals from a thermal mass flow sensor when operating the mass flow controller at different flow rates with...

Surgical cassette
09/29/11 - 20110232358 - A surgical system and cassette, the cassette having an identification method that is specific to the cassette. Suitable methods include bar coding or Radio Frequency Identification (“RFID”). Cassette information that may be encoded include features such as lot number and performance characteristics, such as pressure sensor calibration data, flow and...

Methods of manufacturing and temperature calibrating a coriolis mass flow rate sensor
08/18/11 - 20110197650 - A subassembly of a Coriolis flowmeter is fabricated from a single monolithic piece of elastic polymeric material. The subassembly includes two flow-sensitive members and a base integrally connected to the two flow-sensitive members. The two flow-sensitive members include straight sections, and are substantially similar and parallel to each other. Flow...

Flowmeters and methods for diagnosis of sensor units
06/09/11 - 20110132064 - A method and an apparatus for diagnosis of a flowmeter are disclosed. The method includes thermally coupling a first sensor unit of the flowmeter to a fluid and thermally coupling a second sensor unit of the flowmeter to the fluid. The method also includes actively heating or cooling the first...

Method and device for characterizing magnetorheological fluids
05/26/11 - 20110120207 - A method for characterizing magnetorheological fluids using a volume flow rate measurement. The volume flow of the magnetorheological fluid through a capillary is initially measured, with a constant weight force being applied onto the magnetorheological fluid. A magnetic field is then applied to the capillary, and the volume flow of...

Identification of air and/or fuel metering drift
03/10/11 - 20110056265 - The disclosure relates to a system and method for identifying whether a difference between measured lambda and computed lambda, based on mass air flow and mass fuel flow, is due to a drift in fuel metering or a drift in air metering. The determination is based on also measuring exhaust...

Air-micrometer calibration device
01/06/11 - 20110000274 - The present invention aims to provide an air-micrometer calibration device capable of securely causing an axis of a measuring-head tip portion and an axis of a master hole to coincide with each other. To this end, the air-micrometer calibration device (91) includes a small-diameter master hole (95); a large-diameter master...

Method to calibrate a flow balance valve on a windrower draper header
12/09/10 - 20100307219 - A simplified method for calibrating a variable-displacement hydraulic PTO system on an agricultural windrower when powering a header wherein the variable-displacement pump is operated at maximum flow capacity while the engine is operated at a pre-determined speed and a flow balance valve is adjusted to achieved a pre-determined cutterbar speed....

High flow rate prover and meter for custody transfer measurement
09/09/10 - 20100223976 - A method includes introducing a tag into a fluid stream, the tag being suspended in the fluid stream. The tag is detected at a first end of a calibrated volume and a first detection signal is generated responsive thereto. The tag is detected at a second end of the calibrated...

Multiple flow conduit flow meter
07/15/10 - 20100175456 - A multiple flow conduit flow meter (200) is provided according to an embodiment of the invention. The multiple flow conduit flow meter (200) includes a first flow conduit (201) conducting a first flow stream and a pair of first pickoff sensors (215, 215) affixed to the first flow conduit (201)....

Vibratory flow meter and method for correcting for an entrained phase in a two-phase flow of a flow material
07/08/10 - 20100170322 - A vibratory flow meter (100) for correcting for an entrained phase in a two-phase flow of a flow material is provided. The vibratory flow meter (100) includes a flow meter assembly (10) including a driver (104) and with the vibratory flow meter (100) being configured to generate a vibrational response...

Method for mounting a prover
06/24/10 - 20100154506 - A method for mounting a prover and its attached motive means either horizontally or vertically as a function of the footprint available on the surface on which the prover is to be mounted. The method includes attaching the prover and its motive means to a lower framework. Attaching a plurality...

Determining the flow rate of air in a computer system
06/10/10 - 20100139360 - Some embodiments of the present invention provide a system that determines a flow rate of air along an airflow path in a computer system. During operation the system monitors a first temperature profile from a first temperature sensor located in a first position in the airflow path, and monitors a...

Method for measuring a fluid composition parameter by means of a flow sensor
04/15/10 - 20100089118 - The flow of a fluid of unknown composition is measured by leading the fluid over a first temperature sensor, a heater and a second temperature sensor. The temperature difference DTP between the temperature sensors is measured, as well as the temperature T of at least one of them. In addition,...

Calibration tool for air data measurement devices
03/18/10 - 20100064766 - A calibration tool for an air data sensor of a vehicle comprises a target surface which is disposable on the vehicle. The calibration tool may further comprise a light pointer which is mountable on the air data sensor and which is operative to project a beam of light toward the...

Parallel flow meter device for measuring flow rate in pipes
12/31/09 - 20090320552 - The present invention relates to methods and apparatuses for measuring flow rate in pipes. The standard method of installing flow meters inside pipes to measure flow rates are costly and result in loss of energy and reduction of flow. The present invention solves the problems of standard flow measuring method....

Water detection device
12/10/09 - 20090301167 - An apparatus for indicating a volume of liquid flow, comprising a liquid sensor for sensing the presence of a liquid, a timer activated when the liquid sensor indicates the presence of a liquid, a calculator to calculate the volume of liquid flow dependent upon the time for which the timer...

Electrically controlled hydraulic valve calibration method and system
11/12/09 - 20090277243 - A method of calibrating an electrically controlled hydraulic valve having a known relationship between flow rate through the valve and displacement of a valve element is disclosed. The method includes ascertaining a first current level for actuating the electrically controlled hydraulic valve to move the valve element to a position...

Three pickoff sensor flow meter
11/05/09 - 20090272173 - A three pickoff sensor flow meter (200) is provided according to the invention. The three pickoff sensor flow meter (200) includes a first flow conduit (210a) conducting a first flow stream, a second flow conduit (210b) that is independent of the first flow stream, and a common driver (216) configured...

Determining total mill flow in a biofuel production process
09/24/09 - 20090235716 - System and method for determining total mill flow (TMF) in a biofuel production process. Measured slurry flow and density values from a process fed by mill(s), backset, and at least one water source, are received. The slurry includes biomass solids and water. Measured backset flow and density values, and a...

Method for ascertaining volume -or mass- flow of a medium
08/27/09 - 20090211330 - A method for ascertaining volume- or mass-flow of a medium in a pipeline, or measuring tube, of radius (r) via a sound entrainment method, wherein ultrasonic measuring signals are transmitted and/or received along a plurality of defined sound paths (m). During a calibration phase, successive, different flow profiles (v(r)) of...

Method to measure flow line return fluid density and flow rate
08/27/09 - 20090211331 - Generally, the present invention is directed to the in situ measurement of fluid density and/or flow rate in tubular conduits, wherein such measurement comprises measuring dynamic fluid level and/or load (weight) in a region of the conduit and correlating these measurements of the fluid with a density and/or flow rate....

System and method for measuring fluid flow
08/20/09 - 20090205400 - A compound fluid flow metering system including two electromagnetic fluid flow meters is disclosed that substantially increases accuracy of metering total volumes and flow rates and provides consistent accuracy over time. Additionally, the compound fluid flow metering system is substantially maintenance free, and reduces pumping costs associated with maintaining adequate...

Microfabricated elastomeric valve and pump systems
06/18/09 - 20090151422 - A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the first elastomeric layer; forming a second elastomeric layer on...

Method for the calibration of a flow measurement in a flow system, and flow system for carrying out the method
03/12/09 - 20090064755 - The invention relates to a method for the calibration of a flow measurement in a flow system (1), wherein a fluid (2) is conveyed through a flow connection (3) of the flow system (1), and a flow rate of the fluid (2) is determined through the flow measurement from a...