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| Number | Title | Issue Date |
| 8096193 | Turbine flow meter having easily removable meter cartridge A turbine flow meter comprises a flow pipe which includes an axial through bore and a meter cartridge which is positioned in the through bore. The meter cartridge includes a tubular cartridge housing through which a fluid to be measured is directed and a rotor which... | 01/17/2012 |
| 8056425 | Device and method for detecting a volume while receiving and/or discharging a fluid having a gas portion The invention relates to a device for detecting an amount while receiving and/or discharging a fluid having a gas portion comprising a measurement line for conducting the fluid, a flow measuring unit for the fluid, which is in fluid connection with the measurement l... | 11/15/2011 |
| 7942071 | Turbine for measuring petroleum products which are charged with a viscosity reduction agent Turbine comprising a tubular body that receives an upstream stator, a rotor including a propeller and a downstream stator. The trailing edge of the blades of the upstream stator is inclined through a negative angle relative to a normal relative to the axis, and the ... | 05/17/2011 |
| 7861604 | Turbine water meter having spinner blades with semi-parabolic edges and mechanical reinforcing elements A turbine water meter includes plural spinner blades rotatably mounted in a chamber. The respective blades have cross-sections with semi-parabolic edges, with each blade having respective elements connected together by mechanical reinforcing elements. ... | 01/04/2011 |
| 7735381 | Tangential meter for liquids A mechanical meter for measuring the quantity of liquid flowing through a pipe (2), comprising an impeller (1) rotatably supported by a saddle (3) positionable on the outer surface of the pipe (2), in which the inner surface of the saddle... | 06/15/2010 |
| 7712383 | Liquid supply measuring apparatus A liquid supply measuring apparatus is disclosed. The provided apparatus is comprised of a housing to be serially installed to a liquid passage in a way that the supplying liquid passes through the housing; a turbine, the turbine is installed inside the housing, whe... | 05/11/2010 |
| 7669485 | System for sensing air velocity without requiring external power supply and a method for operating the same An air velocity sensing system not requiring external power supply is applied to an air duct system, comprising: (1) a sensor module disposed in the air duct for measuring the air velocity therein and for saving the measured air velocity value; and (2) a control mod... | 03/02/2010 |
| 7650801 | Turbine flowmeter The invention relates to a turbine flowmeter for measuring the consumption of fluids, particularly water. The turbine flowmeter comprises a housing (1) with an inflow (2), and outflow (3) and a flow channel (4). The turbine flowmeter also... | 01/26/2010 |
| 7607362 | Flowmeter and a use thereof for measuring fluid flow independently of fluid's state property The present invention relates to a flowmeter for measuring flow rate of a fluid independently of fluid viscosity or density. In at least on embodiment, the flowmeter includes an inlet, an outlet, and a cylindrical chamber. The flowmeter also includes an impeller ass... | 10/27/2009 |
| 7437952 | Shrouded body flow meter assembly A shrouded body flow meter assembly includes an inner fluid-conducting conduit disposed in a spaced relation from and within an outer conduit. The shrouded flow meter assembly can be connected to other shrouded fluid-conducting apparatus and/or used to replace secti... | 10/21/2008 |
| 7426875 | Low flow rate measurement and control A turbine wheel flow measuring transducer located in a fluid receiving chamber is provided for measuring low flow rates of fluids, whether liquids, gases, or mixtures, and in controlling the fluid flow rates. The transducer is in the form of a small diameter turbine... | 09/23/2008 |
| 7373842 | Liquid dispenser with volume meter and method A liquid dispenser comprises a sprayer device and volume meter connected together to form an integral unit that prevents the sprayer device and volume meter from being disconnected without damaging the dispenser. The volume meter has an inlet end portion and a gauge... | 05/20/2008 |
| 7363824 | Flow sensor A flow sensor for flowing media with a cylindrical housing (2) and with a sensor element located in the housing (2), the housing (2) preferably having an outside thread (3) and being screwable into a union (4) of a pipe (5) ... | 04/29/2008 |
| 7357023 | Modular inserts comprising check valves for flow meters The present invention relates to an apparatus and method for upgrading fluid meters with improved modular check valve technology. The check valve module is secured within the meter using only external fasteners. The check valve module may also include a seal. The se... | 04/15/2008 |
| 7349813 | Fault tolerant power system architecture for fluid flow measurement systems To provide a fault-tolerant architecture to supply electrical operating power in fluid flow measurement applications, apparatus and associated systems, computer program products, and methods include an intelligent power module with redundant and electrically indepen... | 03/25/2008 |
| 7293478 | Method for testing a foam delivery system on a vehicle A method which permits the environmentally safe testing of the Aircraft Rescue and Fire Fighting vehicle's foam delivery system by using a surrogate fluid to test the foam delivery system. The method uses piping, valves, and connecting elements to interface with the... | 11/13/2007 |
| 7291936 | Submersible electrical power generating plant A self-supporting, submersible generating plant for producing electricity from ocean currents, consisting of two counter-rotating, rear-facing turbines with a plurality of rotor blades extending radially outward from two separate horizontal axis that convey the kine... | 11/06/2007 |
| 7290457 | NoFoam system for testing a foam delivery system on a vehicle A NoFoam system which permits the environmentally safe testing of the Aircraft Rescue and Fire Fighting vehicle's foam delivery system by using a surrogate fluid to test the foam delivery system. The NoFoam system includes the piping, valves, and connecting elements... | 11/06/2007 |
| 7281437 | Multi-jet water meter with flow compensating basket A flow measuring system, e.g., a water meter, includes a non-limiting flow compensating basket and/or a vane wheel of the invention. The basket has a hollow cylindrical member having an open end and an opposite end, sidewall of the cylindrical member having a plural... | 10/16/2007 |
| 7267014 | Meter register having an encoder A water meter register has a shaft for rotating an energy passing wheel having a high transmission portion and a low transmission portion. Energy rays are directed toward one side of the wheel toward a pair of detectors mounted on the other side of the wheel. Each o... | 09/11/2007 |
| 7249524 | Fluid flow rate and volume sensor, and filtration apparatuses and purification apparatuses having such a sensor A flow rate and volume sensor for determining the rate and volume of fluid flowing through an apparatus, such as an apparatus for filtering and/or conditioning and/or purifying fluid, such as water, and for indicating when a predetermined volume of fluid has flowed ... | 07/31/2007 |
| 7250775 | Microfluidic devices and methods based on measurements of electrical admittance Microfluidic devices and methods that use electrical admittance as the basis for measuring flow rate of fluids and/or for distinguishing (e.g., characterizing, sorting, separation, etc.) different particles, chemical compositions or biospecies (e.g., different cells... | 07/31/2007 |
| 7219560 | Method for determining and correcting for turbine meter overspin at the instantaneous stoppage of flow rate A method of correcting for overspin in a turbine meter is provided. The turbine meter has turbine rotors positioned in a pipe in which liquid passes therethrough. The turbine rotors rotate in response to movement of the liquid passing through the pipe and sensors mo... | 05/22/2007 |
| 7191666 | Check valve module for flow meters The present invention relates to an apparatus and method for improved check valve technology used in flow meters, particularly compound/combo meters. The improved check valve technology may be comprised in a single piece module that (1) can easily be removed from th... | 03/20/2007 |
| 7155956 | Medium, method and system for proving a turbine meter A novel medium, method and system for proving a turbine meter for use with natural gas. The novel test medium is a gas having the following characteristics: (a) Density>2×Density of Natural Gas; (b) Dynamic Viscosity | 01/02/2007 |
| 7111520 | Increased sensitivity for liquid meter A lower cost meter comprised of an inner housing constructed out of a high permeable material surrounded by an outer housing constructed out of a lower cost, lower permeable material. A port is placed in the outer housing that runs down to the surface of the inner h... | 09/26/2006 |
| 7104143 | Oscillating vane actuator apparatus and method for active flow control An oscillating vane actuator for active control of fluid flow over a surface includes a pivoted vane surrounded by a wedge-shaped chamber, and first and second conduits with openings adjacent the surface. The actuator also includes a rotating shaft with a connecting... | 09/12/2006 |
| 7093503 | Variable phase turbine An axial flow turbine configured to accept different nozzles which are respectively compatible with different fluids (gas, liquid or mixture thereof). The turbine is compatible with different rotating loads, which can be cooled or lubricated using liquid derived fro... | 08/22/2006 |
| 7028561 | Fuel dispenser fuel meter error detection device, system and method A flow switch used in conjunction with a fuel meter in a fuel dispenser to determine when fuel is flowing. A flow switch can only be activated if fuel is flowing through the flow path of the flow switch. If fuel is flowing as indicated by the fuel flow switch, but t... | 04/18/2006 |
| 7024945 | Flow sensing apparatus A flow sensing apparatus for detecting fluid flow rate and direction is described. The flow sensing apparatus includes a flow-responsive element projecting into the fluid flow path, and a position sensor which detects the degree and direction of any change in positi... | 04/11/2006 |
| 6999901 | In-place dynamically re-sizeable persistent historical database The specification discloses a method of maintaining a historical database of information. The method describes up to eleven segments, each segment corresponding possibly to a different data logging rate in the historical database. Points, whether measured or calcula... | 02/14/2006 |
| 6997064 | Fluid metering and control device A fluid measuring device that displays fluid volume usage against fluid volume limits and a fluid control device that stops fluid delivery when the fluid volume limit is reached. ... | 02/14/2006 |
| 6996485 | Nullification of measurement error, particularly within a dual turbine flow meter used in a fuel dispenser A system and method for correcting a meter calibration curve in a fuel dispenser. The meter may be a turbine flow meter. A meter calibration curve is expressed in a finite number of data points. The meter calibration curve is used to determine the volume and/or flow... | 02/07/2006 |
| 6935191 | Fuel dispenser fuel flow meter device, system and method A flow switch used on conjunction with a fuel flow meter in a fuel dispenser to determine when fuel flow rate signals form a fuel flow meter should be ignored in the calculation of flow rate and/or volume of fuel dispensed. An inferential fuel flow meter may be used... | 08/30/2005 |
| 6931946 | Large volume fire service water meter A large volume water meter having particular application for use with a fire suppression system by which to measure the volume of water consumed by a residence during periods of calm and during a fire emergency when water is supplied from a source at high speed to a... | 08/23/2005 |
| 6932560 | Apparatus and method for detecting an impact on a rotor blade A gas turbine engine (10) comprises a fan rotor (26) having a plurality of fan blades (24) and an apparatus (34) for detecting an impact on the fan blades (24). The apparatus (34) comprises speed sensors (48,48B) arra... | 08/23/2005 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6881507 | Method and apparatus for measuring the mass flow of hydrogen in a fuel cell The mass flow of hydrogen fuel in the anode loop of a hydrogen fuel cell is measured using a rotating flow meter. The flow meter includes a bladed rotor mounted for rotation within a tube disposed in the stream of hydrogen fuel flowing through the anode loop. A magn... | 04/19/2005 |
| 6865935 | System and method for steam turbine backpressure control using dynamic pressure sensors A system (10) controlling operation of a steam turbine (T). Sensors (12) measure dynamic pressure level variations in a stage (S1-Sn) of the turbine. A signal (Ps) from a sensor is converted to a frequency based signal (Fs). A comparator (16 | 03/15/2005 |
| 6857325 | Moving blade support jig, moving blade support apparatus, and flow rate measuring apparatus A sealing member is inserted into a frame, with an inclined support surface being fitted to an inclined holding surface. A gas turbine moving blade is pressed toward the frame to fit the inclined support surface to the inclined holding surface, while generating a su... | 02/22/2005 |
