Patents
Patents for G01F 1 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow (42,661)
02/2004
02/17/2004US6691579 Portable pressure transducer, pneumotach for use therewith, and associated methods
02/17/2004US6691577 Ultrasonic moving-speed measuring system
02/17/2004US6691568 Air meter
02/17/2004CA2237057C Fluid metering apparatus and method
02/12/2004WO2004013585A1 Device for the determination or monitoring of a physical or chemical process parameter
02/12/2004WO2004013580A1 Restriction flowmeter
02/12/2004WO2004013579A2 Differential static pressure measuring device
02/12/2004WO2004012996A1 Automatic refill system for ultra pure or contamination sensitive chemicals
02/12/2004WO2003036239A3 Oil flow sensing
02/12/2004US20040030522 System and method for mass flow detection device calibration
02/12/2004US20040030521 Flow sensing in multiple conduits
02/12/2004US20040030520 Gas meter
02/12/2004US20040030509 Method for measuring flow by means of an ultra sonic flow meter
02/12/2004US20040029309 Method for manufacturing a component, in particular a thermal sensor, and thermal sensor
02/12/2004US20040027132 Device and method for system and process supervision in a magneto-inductive sensor
02/12/2004US20040026365 Micromechanical mass flow sensor and method for the production thereof
02/12/2004US20040025599 Measuring and operating circuit for a coriolis-type mass flowmeter
02/12/2004US20040025598 Integrated fluid sensing device
02/12/2004US20040025597 Method and device for monitoring the flow speed of an infusion solution
02/12/2004US20040025586 Flowmeter
02/12/2004US20040025585 Flow sensor and method of manufacturing the same
02/12/2004US20040025584 Heating resistor type air flow rate measuring apparatus
02/12/2004DE19948135B4 Verfahren und Vorrichtung zur Messung des Massenstroms eines Mediums Method and apparatus for measuring the mass flow of a medium
02/12/2004DE19913968B4 Thermischer Durchflußsensor und Verfahren zum Bestimmen des Durchflusses eines Fluids Thermal flow sensor and method for determining the flow of a fluid
02/12/2004DE10235322A1 Vibration or Coriolis fluid mass flowmeter for measurement of mass flow, and or viscosity, has a single straight measurement pipe and an additional vibrator for generation of a torsional vibration and therefore fluid shear forces
02/12/2004DE10235059A1 Ultrasound mass flowmeter with a circular measurement channel has ultrasonic transducers and reflectors arranged to form a closed symmetrical sound path so that a multiple of the base sound path is obtained
02/12/2004DE10235034A1 Ultrasound fluid mass flowmeter has a helical measurement flow channel and ultrasonic transducers, together with sound reflectors, arranged to transmit a sound signal around the outer wall of the measurement channel
02/12/2004DE10235033A1 Ultrasound fluid mass flowmeter has a sound path that is independent of the fluid flow channel enabling the sound to be routed so that it avoids areas of turbulence or flow inhomogeneities
02/12/2004DE10233307A1 Food industry Coriolis mass flowmeter has a connection arrangement with separate connection and fastening parts, with the former welded to the end of the measurement pipe and the latter fastening meter housing to pipe union
02/12/2004DE10232072A1 Verfahren zur Reinigung eines von einem Gasstrom umströmten Messelementes A method for purifying a gas stream flowed around by a measuring element
02/12/2004DE10064738B4 Verfahren zur Prüfung eines magnetisch-induktiven Durchflußmeßgeräts Method for testing an electromagnetic flowmeter
02/12/2004CA2491261A1 Differential static pressure measuring device
02/12/2004CA2456457A1 Restriction flowmeter
02/11/2004EP1388000A1 Gas velocity measurement by infrared radiation absorption
02/11/2004EP1387999A1 Venturi flowmeter for use in an exhaust sampling apparatus
02/11/2004EP1387636A2 Portable pressure transducer, pneumotach for use therewith, and associated methods
02/11/2004CN2603380Y High-temp. resisting, corrosion-resisting, and negative pressure-resisting electromagnetic flow meter
02/11/2004CN1474165A Flow sensor, temperature sensor and flow detector
02/11/2004CN1474164A 流量计量装置 Flow metering device
02/11/2004CN1138131C Supersonic vortex flowmeter having clamp-on flowmeter housing
02/11/2004CN1138130C Ultrasonic vortex flowmeter having remote signal processing circuit
02/10/2004US6689179 Conduit at least partly in labyrinthine fashion to separate liquid out but prevent outside liquid from coming in
02/10/2004US6688184 Sensor manifold for a flow sensing venturi
02/10/2004US6688182 Static pitot transducer
02/10/2004US6688176 Single tube densitometer
02/10/2004US6688170 Sensor for measuring flow velocity in gases and method for the production thereof
02/10/2004CA2264030C Improved annular flow monitoring apparatus
02/05/2004WO2004011888A1 Linear actuator
02/05/2004WO2004011886A2 A method and apparatus for determining flow rate of a fluid
02/05/2004WO2004011841A1 Pipe coupling
02/05/2004WO2003098161A3 Integratable fluid flow and property microsensor assembly
02/05/2004US20040024568 Process device diagnostics using process variable sensor signal
02/05/2004US20040024372 Dose by weight medicine dropper
02/05/2004US20040020471 Control system of internal combustion engine with output correcting means of thermal type air flow sensor
02/05/2004US20040020307 Flow meter
02/05/2004US20040020304 Differential static pressure measuring device
02/05/2004US20040020286 Flow sensor
02/05/2004DE10330023A1 Vortex generator used in the swirling and mixing of fuel/air mixtures in pre-mixing combustion chambers comprises an outlet opening for targeted introduction of a secondary flow into the core flow of the wake produced
02/05/2004DE10259176A1 Structural body used in a mass flow sensor or sensor or actuator component comprises a porous region delimited by a material acting as a porous stop during the conversion of silicon into porous silicon or porous silicon oxide
02/05/2004DE10232337A1 Verfahren und Vorrichtung zur Überwachung einer Luftmassenmessvorrichtung Method and apparatus for monitoring an air mass measuring device
02/05/2004DE10230607A1 Verfahren zur Überwachung einer Messeinrichtung, insbesondere einer Durchflussmesseinrichtung, sowie eine Messeinrichtung selbst A method for monitoring a measuring device, especially a flow measuring device, and a measuring device itself
02/05/2004DE10124964B4 Sensor zur Messung von Strömungsgeschwindigkeiten und Verfahren zu dessen Betrieb Sensor for the measurement of flow velocities and method for its operation
02/05/2004DE10062609B4 Sensorsystem Sensor system
02/05/2004CA2494488A1 A method and apparatus for determining flow rate of a fluid
02/04/2004EP1387150A2 Flow sensor with a detector array formed on a substrate
02/04/2004EP1387149A2 Ultrasonic flowmeter as well as operation method of the same
02/04/2004EP1387148A2 Method for operating an inductive flow measuring arrangement,as well as flow measuring arrangement
02/04/2004EP1386203A1 Mass flow meter systems and methods
02/04/2004EP1386148A1 System and method for monitoring the composition of a magnetically permeable material
02/04/2004EP1386125A1 Flow metering
02/04/2004EP1095281B1 Method for monitoring an aspirating and dispensing system
02/04/2004EP0975936B1 Electromagnetic flowmeter
02/04/2004CN2602351Y Supersonic flowmeter for open canal
02/04/2004CN2602350Y Multifunctional combined valve
02/04/2004CN2602349Y Plug-in type electromagnetic swirl flowmeater
02/04/2004CN2602348Y Electromagnetic swirl flowmeater
02/04/2004CN2602347Y Insert combined type orifice-plate ejector nozzle throttle device
02/04/2004CN2602346Y Differential pressure pattern automatic oil-gas-water flowmeter
02/04/2004CN2602345Y Vortex street effusion meter
02/04/2004CN2602344Y Detector for test of automobile fuel filling measurement
02/04/2004CN1473262A Apparatus and method for compensating mass flow rate of material when density of material causes unacceptable error in flow rate
02/04/2004CN1473261A Robust fluid flow and property microsensor made of optimal material
02/04/2004CN1473002A 电子机器 Electronic equipment
02/04/2004CN1137372C Device and method for testing charateristics of fluid in pipe
02/03/2004US6687626 Apparatus for measuring distribution of flow rates of flowable medium
02/03/2004US6687600 System and method for air flow and EGR flow estimation
02/03/2004US6685646 Measurement of volumetric fluid flow and its velocity profile
02/03/2004US6684716 Coriolis flowmeter
02/03/2004US6684715 Coriolis mass flowmeter with improved accuracy and simplified instrumentation
02/03/2004US6684695 Mass flow sensor utilizing a resistance bridge
02/03/2004US6684694 Flow sensor, method of manufacturing the same and fuel cell system
02/03/2004US6684693 Heat generation type flow sensor
02/03/2004US6684692 Device for measuring at least one parameter of a medium flowing in a line
02/03/2004CA2288619C Temperature and flow measuring apparatus
01/2004
01/29/2004WO2004010091A1 Variable resistance sensor with common reference leg
01/29/2004WO2004010090A1 Impeller device for data acquisition in a flow
01/29/2004WO2004010089A1 Compact device for measuring the speed and the direction of rotation of an object
01/29/2004WO2004010088A1 Impeller for data acquisition in a flow
01/29/2004WO2004010087A2 Flow sensor
01/29/2004WO2004010086A2 Fluid flow measuring and proportional fluid flow control device