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8844347 Sensor port insert apparatus  
An insert apparatus for installing a transducer assembly in a sensor port of a flow cell is disclosed. The transducer assembly is installed in the cavity of the insert body without the use of...
8758457 Process for producing biodiesel  
A process for producing biodiesel from natural oils and/or fats, a low molecular weight C1-C6 alcohol and catalyst is described. The process preferably uses vegetable oils and is specifically...
8549907 Fluid distribution device, micro plant, method of designing fluid distribution device, and method of detecting blockage of flow channel  
The present invention provides a fluid distribution device for uniformly distributing and outputting a fluid, which is supplied to an input flow channel, into at least three output flow channels,...
8322206 Apparatus and method for determining a fluid flow state  
In order to discriminate between laminar flow and turbulent flow states, and to provide an indication, e.g. to a pilot of an aircraft of air flow over an aircraft wing, a sensor mounted on the...
8265887 Flow measurement apparatus and program thereof, flow measurement method and fluid supply system  
A fluid measurement apparatus capable of accurately determining an activated appliance is provided. A flow measurement apparatus 100 has a flow measurement unit 12 that measures an amount of fluid...
7962293 Apparatus and method for providing a stratification metric of a multiphase fluid flowing within a pipe  
A method and apparatus for determining a level of stratification of a multiphase fluid flow passing through a pipe is provided. The method includes, and the apparatus is operable to perform, the...
7962576 Quantity conversion interface for external program calls  
The application is directed to methods, systems, procedures, networks and storage apparatus used to conduct conversions of data using remote conversion servers. In one embodiment of the present...
7925457 Flow meter and airflow measurement using an airfoil  
One embodiment provides a flow meter including an airfoil movably secured in the airflow path of a fan in an electronic system. The airfoil is configured to generate a lift component in response...
7849737 Gas meter  
A gas meter with a simple structure for detecting a range from a minute flow rate, such as a gas leak, to the large flow rate of the normal state of use of the gas, while protecting the flow rate...
7707897 Method of measuring multiphase flow using a multi-stage flow meter  
Multi-phase flow is estimated in a flow meter having a first and a second stage by empirically deriving an algorithm for the water and gas fractions, measuring pressures within the flow meter, and...
7552614 System and method for determining functionality or accuracy of a sensor  
A system and method for determining functionality and accuracy of a sensor such that monitoring of a sensor is possible without the provision of redundant sensors. Briefly described, one...
7487673 Ice detection based on anemometry  
A method for ice detection for a wind turbine is provided. The method includes providing an ice condition threshold parameter adapted for distinguishing a condition during which icing may occur...
7266467 Method to calibrate hydraulic flow valves in situ  
A method for performing system characterization in situ for a system comprising a actuator controlled by a proportional controller. The system includes a quasi-linear region characterized by a...
7249486 Method for monitoring a sensor  
The present invention concerns a method of monitoring a sensor for sensing the flow speed of a medium. The invention further concerns an apparatus for carrying out that method. In order to be able...
7162921 Measuring device for measuring the volume flow or the substance properties of a gas, whose direction of flow can reverse  
A device for measuring the volume flow or other substance properties of a gas, whose direction of flow can reverse. The arrangement contains a specially designed Y-piece, which is used for...
6986283 Method and apparatus for exchanging fluid in a transmission system  
Method and apparatus are provided to exchange fluid in a system such as a transmission system. Supply and return flow rates are measured and can be adjusted based on a difference between the flow...
6917891 Systems and methods for diagnosing and predicting fluid flow systems using sensors  
A fluid flow system for continuously monitoring the flow of fluid including fluid flow conduit with an upstream side and a downstream side, sensors and fluid flow elements, with the method for...
6721674 Method and apparatus for in-situ calibration of quantity measurement of a fluid flowing in a channel  
A method and apparatus for in-situ calibration of quantity measurement of a fluid flowing in a channel, in which a device for measuring the volume of the fluid is disconnected from the fluid flow,...
6659087 Detection of EVAP purge hydrocarbon concentration  
In a system and a method for purging a vapor storage canister having adsorbed fuel vapor (or hydrocarbon vapor) by drawing air through the storage canister the storage canister being coupled with...
6553827 Coolant safety method for welding apparatus  
In an automated welding machine, where a flow of liquid coolant is supplied to welding components on the machine from a source of coolant and then returned to the source of coolant, a safety...
6377190 System for monitoring water consuming structures in an individual unit of a multi-unit building  
A system for monitoring a water consuming structure in an individual unit of a multi-unit building, comprising means for determining that volumetric flow through the pipe proximate the water...
6237408 Coolant safety system for automated welding apparatus  
In an automated welding machine, where a flow of liquid coolant is supplied to welding components on the machine from a source of coolant and then returned to the source of coolant, a safety...
6234014 Method and apparatus for analyzing gas flow through conduits  
The method of measuring the mixing efficiency in porous tubes comprising generating gas waves the composition of which at substantially constant total flow rate and pressure varies sinusoidal with...
6202475 Predicting logarithmic reduction values  
A method of predicting logarithmic reduction values for a membrane filtration system having a filtrate flow portion and a bypass flow portion relative to a filtrate permeable membrane with stable...
6073483 Device for measuring the viscosity of a fluid  
A device for measuring the viscosity of a fluid includes a viscosensitive unit through which the fluid flows under laminar flow conditions, a first turbulent flow flowmeter in series with the...
6026838 Method for detecting opening in fluid flow passageway and shutting off flow in response thereto  
An apparatus detects an opening in a fluid flow passageway such as occurs when a resistance welding cap which is cooled by the fluid flow becomes accidently detached from a welding machine. Upon...
RE36401 Tandem rotor turbine meter and field calibration module  
Methods and an apparatus for measuring gas flow with greater reliability than earlier single-rotor and double-rotor turbine meters and dual turbine meter systems are disclosed. The apparatus...
5950667 Apparatus for detecting opening in fluid flow passageway and shutting off flow in response thereto  
An apparatus detects an opening in a fluid flow passageway such as occurs when a resistance welding cap which is cooled by the fluid flow becomes accidently detached from a welding machine. Upon...
5811674 Coolant safety system for welding apparatus  
In an automated welding machine, where a flow of liquid coolant is supplied to welding components on the machine from a source of coolant and then returned to the source of coolant, a safety...
5808188 Flowbench and air flow measurement and calibration procedure  
A pneumatic system for comparing air flow characteristics of different unknown flow restrictions. The first head or piece of equipment and a base orifice are installed in turn on the flowbench and...
5739429 Powder coating system incorporating improved method and apparatus for monitoring flow rate of entrained particulate flow  
A system for monitoring the flow rate of particulate material entrained within an air stream includes a feed hopper providng a source of the particulate material, and a hose for conveying the...
RE35639 Method and apparatus for measuring ratio of mass flow rates and energy flow in a gas pipeline  
The present invention is a method and apparatus for monitoring in real time the mass and energy flow rate of a gas through a pipeline. The invention determines the mass flow ratio of a pipeline...
5455781 Apparatus and method for determining the measurement accuracy of electronic gas meters  
An apparatus and method for automatically determining the measurement accuracy of an uncalibrated field fluid flow meter by comparing its fluid flow volume, measurement, Vf, to a fluid flow volume...
5377101 Urinary flow classification system and method  
A computer-controlled method and expert system for urinary flow measurement, analysis and classification that facilitates accurate and reliable discrimination between normal and abnormal...
5298886 Fluidic flowmeter equipped with a micro flow sensor  
In a fluidic flowmeter for measuring the flowrate higher than the preset flowrate by use of a fluidic element and for measuring the flowrate lower than the present flowrate by use of a flow sensor...
5226728 Method and apparatus for measuring mass flow and energy content using a differential pressure meter  
A method and apparatus for monitoring in real time the mass and energy flow rate of a gas through a pipeline. The invention determines the ratio of the mass flow rate of pipeline gas flowing...
5095983 Multiphase production evaluation method using thru-tubing, wireline packoff devices  
A method for providing improved measurement of oil, water, and gas flow rates in producing wells using thru-tubing wireline inflatable and retrievable packers or plugs to systematically isolate...
5050438 Method and apparatus for measuring the flow of heavy crude  
A method of, and apparatus for, measuring flow rates of highly viscous source fluids, having a flow rate wherein a secondary fluid of the same viscosity is injected at a predetermined measurable...
5003810 Fluid meter  
A fluid meter comprises at least three sensors each having an output dependent on a respective characteristic of the fluid to be monitored, circuitry to combine the outputs of two of the sensors...
4938053 Fluid metering system  
A fluid metering system includes a metering unit having a main flow channel and a bypass channel through which a portion of the total fluid flow through the unit is diverted, the bypass channel...
4930343 Apparatus for measuring and controlling fluid flow across a boundary  
An apparatus for use in measuring fluid flow across a boundary is disclosed including a conduit, supply means for control fluid and two fluid flow sensors. The conduit is positioned to extend...
4928048 Fast response control circuit  
A fast response control circuit for providing an output signal in miminum time after receiving an enabling input signal. The control circuit includes an amplifier which provides an output signal...
4905511 Fan assembly and a method for checking the function thereof  
In the context of a fan assembly for an air system comprising a bulkhead (20) and at least one fan (2) which extends through the bulkhead (20) and whose intake on the aspiration side and whose...
4850220 Apparatus for measuring amount of ultrafiltrate and concentration of receiving solvent in dialysis  
An apparatus for measuring an amount of ultrafiltrate produced in a hemodialyzer and a concentration of a receiving solvent employed in the hemodialyzer by means of an ultrasonic wave, comprises:...
4781068 Differential mass flowmeter  
The differential mass flowmeter comprises two U-shaped tubes, arranged side by side, mutually rigidly coupled, and having their ends inserted into a support. The tubes are adapted for conveying...
4778107 Fuel injection valve assembly and an assembling method therefor  
An assembling method of a fuel injection valve for fuel injection into an internal combustion engine, the fuel injection valve including a cylindrical valve body having a fuel passage therein and...
4753095 Method for determining real gas effects in critical flow nozzles  
A method and apparatus for determining the gas flow rate in a high pressure critical flow nozzle is disclosed. A high pressure gas flows through a first critical flow nozzle. Upstream of the first...
4750523 Active attenuator and method  
An active attenuation system is provided for attenuating the pressure pulses in a liquid flowing in a pipe. The system includes an actuator for introducing nulling pressure pulses into the...
4706492 Method and apparatus for determining real gas effects in critical flow nozzles  
A method and apparatus for determining the gas flow rate in a high pressure critical flow nozzle is disclosed. A high pressure gas flows through a first critical flow nozzle. Upstream of the first...
4630474 Flow analyzer  
A sewer flow measurement method and system for determining flow conditions of a sewer line system wherein separately located monitors make and record precisely synchronized and time identifiable...

Matches 1 - 50 out of 115 1 2 3 >