Matches 1 - 50 out of 50


Match Document Document Title
9016140 Valve having rotatable valve ball with calibrated orifice and coaxial upstream/downstream ports and angled taps to measure upstream/downstream pressures for flow measurement  
A valve includes a body having upstream and downstream ports to measure upstream and downstream pressures and configured on a common axis, and a ball arranged in the body to rotate re the common...
8938961 EGR flow sensor for an engine  
A disclosed method of operating an engine may include discharging exhaust gas from at least one combustion chamber of the engine. The method may also include recirculating at least a portion of...
8919209 Device for measuring the characteristics of a flow within a pipe  
A device for measuring the physical characteristics of a flow within a pipe is disclosed. In one exemplary embodiment, the device comprises a plug attached to two or more strut assemblies, each...
8857256 Micromonitoring apparatus and method  
An apparatus and method for monitoring sanitary sewer systems designed to carry away wastewater through a system of buried pipes, often referred to as “sewer lines”, to a sewage treatment...
8548753 Velocity-enhanced flow measurement  
A process fluid flow measurement device includes a fluid flow member having an inlet with a first diameter and a throat with a second diameter that is smaller than the first diameter. A first...
8235592 Gauge on a pipe section  
A gauge includes a pipe section with a flattened section in which an opening through a wall of the pipe is provided, an adapter disposed in the opening, the adapter being adapted to receive a...
8079271 Measuring system with a flow conditioner arranged at an inlet of a measuring tube  
A measuring system includes a measuring transducer having a measuring tube serving for conveying medium and a sensor arrangement and measuring electronics communicating with the measuring...
7946186 Measuring system with a flow conditioner arranged at an inlet of a measuring tube  
The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes...
7926361 Measuring system with a flow conditioner arranged at an inlet of a measuring tube  
A measuring system for registering a measured variable of a flowing medium. A measuring transducer, a sensor arrangement, measuring electronics, a measuring tube and a flow conditioner are...
7878073 Measuring system with a flow conditioner arranged at an inlet of a measuring table  
The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes...
7603914 Measuring system with a flow conditioner arranged at an inlet of a measuring tube  
The measuring system is inserted into the course of a process line and serves for registering at least one measured variable of a medium flowing in the process line. The measuring system includes...
7533579 Reduced bore vortex flowmeter having a stepped intake  
A reduced bore vortex flowmeter and flowmeter body includes a fluid inlet couplable in series to an upstream portion of a fluid flow conduit. The inlet fairs into a central bore having a...
7107860 Flow meter using an expanded tube section and sensitive differential pressure measurement  
A method and apparatus for measuring the flow rate of a fluid within tubing disposed within a downhole wellbore. The present invention provides an inverse Venturi meter inserted within tubing with...
6993979 Multiphase mass flow meter with variable venturi nozzle  
An insert device for narrowing a throat of a Venturi based multiphase flow meter is shaped to be inserted in the throat. The insert comprises an entrance window and an exit window for a radiation...
6715367 Univer plus mass air flow meter  
Improvement in a mass air flow meter having an elongated hollow body having a venturi member therein, the improvement comprising channels formed in the outside surface of the venturi member, lands...
6601000 Device and method for volume determination  
A device for conveying a medium from a container to a tank and for determining the quantity of the medium, having a conduit between the container and the tank, a conveying device connected to the...
6467359 Mass air flow meter  
Improvement in a mass air flow meter having a static pressure manifold disposed upstream from an air flow path for sample air and capable of accumulating a volume of air therein, the flow path...
6332111 Method and system for measuring multiphase flow using multiple pressure differentials  
An improved method and system for measuring a multiphase flow in a pressure flow meter. An extended throat venturi is used and pressure of the multiphase flow is measured at three or more...
5898108 Evaporative emission tester  
An evaporative emission tester is used to evaluate the integrity of a vehicle's evaporative emission control system, including determining the system's purge capability. The emission tester...
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...
5426975 Method and apparatus for determining the total flow rate in a ventilation installation  
A method and apparatus for determining the total flow rate of air flowing through a ventilation installation with a free suction fan (15) is described. The flow rate or a corresponding pressure is...
5374013 Method and apparatus for reducing drag on a moving body  
A method of and apparatus for reducing drag produced by relative air movement on a moving body are disclosed. The method includes the steps of modifying a rear air pressure behind a rear of the...
5063787 Venturi arrangement  
The present invention is directed to a venturi arrangement for use in measuring the flow rate of a fluid passed through a pipe bearing a venturi wherein the drawbacks associated with prior...
4974452 Homogenizing and metering the flow of a multiphase mixture of fluids  
It is often desirable to meter multiphase fluid flow in pipes (e.g. bore holes). In order to obtain reliable/accurate flow rate measurements it is known to incorporate obstructions in the flow...
4649760 Method and apparatus for controlling flow volume through an aerosol sampler  
A volume flow control device for an aerosol sampler is disclosed. The device includes a mechanism for drawing the aerosol through the sampler. A critical flow venturi is disposed downstream in the...
4644800 Annular venturi flow measuring device  
A reduced length venturi type flow measuring device having a peripheral flow restricting surface 22, 30, 20 and a central hub 40 with flow restricting surfaces 42, 48, 52. Anti-spin vanes 60...
4528847 Flow metering device with recessed pressure taps  
A flow metering device of the type operative for producing a pressure differential comprises a shaped tubular member having sequentially disposed inlet, converging, and throat sections, and a...
4516434 Flow metering device with low energy loss  
A venturi-type fluid flow metering device is operative with minimum fluid energy losses and is adapted for construction in reduced lengths. The device comprises inlet, converging, throat and...
4506594 Fluid flow control apparatus and method  
A fluid flow control apparatus and method wherein a pair of output signals from a pair of fluid flow sensors having differing characteristics are blended according to a preselected law to produce...
4324143 Single path adjustable flowmeter  
A low pressure drop air flowmeter (10) for an automotive engine is disclosed. The meter includes a main air flow passage (26), a relatively small venturi tube (28) receiving a portion of the air...
4164144 Fluid flowmeter  
A low pressure drop air flowmeter for an automotive engine is disclosed. The meter includes a main air flow passage, a relatively small venturi tube receiving a portion of the air flow, a pressure...
4050306 Method and apparatus for measuring pressures  
A pair of pressure sensing probe tubes are placed in the fan discharge of a turbofan engine, aft of the outlet guide vanes (OGVs) the tubes being circumferentially spaced by a fraction of the OGV...
3889537 Venturi arrangement  
In a fluid flow rate measuring arrangement for use in relatively large pressure pipes, the inlet and throat sections of a venturi are formed integrally with a section of pipe wherein a pressure...
3859853 PRESSURE TAP CONNECTION  
In a fluid flow rate measuring arrangement for use in relatively large pipes, the pressure tap at the throat of a venturi is connected to a circumferentially offset pressure take-off fitting in...
3733901 FLOW METERING DEVICE OF THE PRESSURE DIFFERENTIAL PRODUCING TYPE  
The disclosure concerns fluid flow metering devices of the differential pressure producing type comprising a tube of polygonal, preferably rectangular, cross section which defines a converging...
3733903 DIFFERENTIAL PRESSURE PRODUCING FLOW METER  
The disclosure concerns fluid flow metering devices of the differential pressure producing type comprising a tube of polygonal, preferably rectangular, cross section which defines a converging...
3733902 MINIMUM LENGTH HIGH QUALITY DIFFERENTIAL PRESSURE PRODUCING FLOW METER  
The disclosure concerns fluid flow metering devices of the differential pressure producing type comprising a tube which defines a throat and a converging section for guiding fluid thereto from an...
3686946 FLOW METERING DEVICES OF THE PRESSURE DIFFERENTIAL PRODUCING TYPE  
Fluid flow metering devices of the pressure differential producing type comprising a tube having a converging section which guides the fluid to a throat. The internal geometry of each tube...
3636765 VENTURI DEVICE  
A compact, high-differential, low-loss, Venturi utilizing a curved upstream approach which is modified to provide a protrusion extending into the venturi in the convergent section thereof...
3630080 TEMPERATURE, PRESSURE AND FLOW RATE SENSING PROBE AND ASSOCIATED GAUGE PLUG  
A handle-equipped instrument-supporting housing is provided with an elongated centrally bored stem having a socket at its free end for receiving an end portion of a gauge plug. A fluid sensing...
3529469 FLOWMETER FOR LIQUID FUEL ENGINE  
3524344 APPARATUS FOR TESTING CARBURETORS  
3421372 FLUID-FLOW METERING MEANS  
3363460 Steam calorimeter  
3326041 Apparatus for developing differential pressures in a conduit line  
3273390 Venturi tube  
3206976 Turbulence detector  
3178942 Primary metering devices  
3173296 Air measuring device  
2995933 Device for measuring the flow of liquids  

Matches 1 - 50 out of 50