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| Number | Title | Issue Date |
| 8438933 | Flowmeter and manifold therefor An acoustic displacement flowmeter for determining flow rate of a fluid has a fluid flow line defining a flow path for the fluid. The fluid flow line has an inlet and an outlet. A controllable valve is positioned along the fluid flow line for opening and closing the... | 05/14/2013 |
| 8429983 | Insertion type flow measuring device for measuring 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 hollow ring having an outer wall fixably attached to a meter flange that is inserted between two sections of pipe, and an in... | 04/30/2013 |
| 8424391 | Analysis device provided with flow sensor, and flow sensor adjustment method The present invention relates to a method of adjusting a flow rate sensor 52 for measuring a travel time of a sample passing through a resistive body. The flow rate sensor 52 includes a straight tube 56, and plural photo sensors 52A to | 04/23/2013 |
| 8418565 | Heated pipe connecting device for installation of a flow meter A flow meter for measuring the flow rate of a flowing medium has a plastic measurement tube for routing the medium and a connecting device for connecting an end of the measurement tube to an end of a plastic pipeline. So that measurement tube of plastic can be conne... | 04/16/2013 |
| 8307718 | Method for measuring a distance from a base surface to a tapering surface of a body In a method for measuring a distance from a base area (5) to a cross section, with a predefined diameter (A), of a tapering area (1.1) of a body (1), which tapering area forms an elevation or depression and has a circular cross-sectional form, a... | 11/13/2012 |
| 8286501 | Method for measuring the flow properties of a poorly flowing material Method and device for measuring the flow properties of a poorly flowing material. The material is placed in a measuring reservoir (2) equipped with a flow opening (6) of the desired size (2), an upwards and downwards motion is induced in the res... | 10/16/2012 |
| 8113062 | Tilt sensor for use with proximal flow sensing device A tilt sensor is provided that is generally adapted to detect tilted and non-tilted states of an object associated therewith, which in some cases is a ventilation circuit component. The tilt sensor may correspond to a pneumatically operated tilt sensor that can be u... | 02/14/2012 |
| 8113063 | Fluid measurement device, method of measuring fluid, and fluid spacial distribution visualization device A fluid measurement device includes a fluid measurement unit which includes a plurality of fluid measurement sections configured to measure a measurement fluid introduced into a measurement chamber from the outside, each of the fluid measurement sections including a... | 02/14/2012 |
| 8065921 | Airflow speed detection device An airflow speed detection device for measuring an airflow speed includes an airflow speed switch, and a connector. The airflow speed switch includes a detection head, and an elastic piece. The connector is electrically connected to the testing the airflow speed swi... | 11/29/2011 |
| 7954386 | System and method for detecting pressure variations in fuel dispensers to more accurately measure fuel delivered A system and method for compensating a calculated or flow rate of fuel dispensed to a vehicle via a fuel flow path in response to a determination of a non-steady state condition based on data corresponding to a signal transmitted by a pressure sensor operatively cou... | 06/07/2011 |
| 7926360 | Sonar circumferential flow conditioner Methods and apparatus enable measuring flow of a fluid within a conduit. For example, flowmeters may measure the velocity of production fluid flowing through production pipe of an oil/gas well. The flowmeters rely on detection of pressure variations generated as a r... | 04/19/2011 |
| 7861600 | Apparatus for ascertaining and/or monitoring fill level and/or flow of a medium An apparatus for ascertaining and/or monitoring fill level and/or flow of a medium in a containment, including: at least one antenna, which radiates and/or receives high frequency signals according to a predetermined radiation characteristic along a main radiating a... | 01/04/2011 |
| 7748262 | Coolant flow measurement devices and methods of measuring coolant flow A coolant flow measurement device includes a coolant flow circuit, a cooling system, a purge system, a variable speed fluid pump, a differential pressure gage and a primary flow meter. The coolant flow circuit may be attached to a an HVAC system of the vehicle such ... | 07/06/2010 |
| 7735378 | Method to measure flow line return fluid density and flow rate 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 meas... | 06/15/2010 |
| 7716993 | Gas flow rate verification unit A gas flow rate verification unit capable of enhancing reliability of gas flow rate verification. The gas flow rate verification unit has a first cutoff valve that is connected to a flow rate control device and to which gas is inputted, a second cutoff valve for dis... | 05/18/2010 |
| 7681460 | System and method for detecting pressure variations in fuel dispensers to more accurately measure fuel delivered A system and method for enhancing the accuracy of fuel flow measurement by a fuel dispenser are provided. Pressure sensors positioned in the fuel flow path detect pressure in the fuel flow path and communicate pressure signals to a control system in the fuel dispens... | 03/23/2010 |
| 7644631 | Electronics cabinet acoustical and thermal test device An electronics component cabinet cover test device includes a housing that defines a test apparatus provided with first and second openings. A cover member is mounted to one of the openings, and an air moving device is arranged in the test apparatus. The air moving ... | 01/12/2010 |
| 7603913 | Method of finding a thigh support having geometry, rigidity, and elasticity for most optimal blood circulation in the lower extremities of a seated person A method of finding a thigh support for most optimal blood circulation in the lower extremities of a seated person consisting of measuring a blood-circulation parameter such as blood-flow velocity through the lower extremities of a seated person under different seat... | 10/20/2009 |
| 7596991 | Multiple path air mass flow sensor assembly A multiple path air mass flow sensor assembly includes an inlet duct which is divided into at least two separate ducts. A first duct has an air mass flow sensor disposed in conventional fashion therein. A second duct includes a damper or valve which may be selective... | 10/06/2009 |
| 7562584 | System, method and apparatus for acoustic fluid flow measurement An apparatus, system and methodology enable non-intrusive measurement of parameters related to fluid flow in a conduit. An acoustic sensor is located along the conduit and includes a mechanical amplifier having an acoustic input coupled to the conduit and a micropho... | 07/21/2009 |
| 7559256 | Flow rate measuring device A flow rate measuring device has a flow channel including: a pair of first and second centrifugal chambers each having a curved wall surface; a first guiding flow channel allowing a first secondary flow channel to communicate with one end of the wall surface of the ... | 07/14/2009 |
| 7497130 | Liner for a flow meter A flow meter assembly includes a flow meter including a tube through which a fluid flows. The flow meter is operable to measure the amount of fluid flowing through the tube. A liner is positioned within the tube and is removably coupled with the tube such that fluid... | 03/03/2009 |
| 7481118 | Flow measurement apparatus An apparatus for obtaining information on the content and flow rate in a fluid flow, e.g. a mixture of oil and water flowing in, for example, a pipe, including means for conveying a flowing fluid, means for generating a differential pressure in said fluid, and means... | 01/27/2009 |
| 7437944 | Method and apparatus for pressure and mix ratio control The present invention provides apparatus and method for controlling mix ratio of gas supplied to a processing chamber integrated with chamber pressure. In one embodiment, an integrated controller is used to adjust mix ratio and chamber pressure. In one embodiment, t... | 10/21/2008 |
| 7434477 | Methods and apparatus for pressure compensation in a mass flow controller Performance of mass flow controller may be vulnerable to pressure transients in a flow path to which the controller is coupled for the purpose of controlling the fluid flow. A system and method are provided for reducing or eliminate performance degradations, instabi... | 10/14/2008 |
| 7430924 | Flow measurement apparatus having strain-based sensors and ultrasonic sensors A flow measurement apparatus is provided that combines the functionality of an apparatus that uses strain-based sensors and ultrasonic sensors to measure the speed of sound propagating through a fluid flowing within a pipe, and measure pressures disturbances (e.g. v... | 10/07/2008 |
| 7412336 | Attitude insensitive flow device system and method Disclosed herein are systems and methods for attitude insensitive flow devices. The system can include a flow device having a processor and a computer readable medium accessible by the processor that stores a set of computer instructions executable by the processor.... | 08/12/2008 |
| 7396452 | Apparatus for determining flow rates of biological fluids An apparatus comprises an inlet to convey a first fluid comprising first and second components having different density into a rotating chamber such that an interface forms between at least portions of such components at a first location. At least one outlet removes... | 07/08/2008 |
| 7376520 | System and method for gas flow verification A gas flow rate verification apparatus is provided for shared use in a multiple tool semiconductor processing platform. The gas flow rate verification apparatus is defined to measure a pressure rate of rise and temperature within a test volume for determination of a... | 05/20/2008 |
| 7369230 | Apparatus and method for measuring particulate flow rate An apparatus for measuring the rate of flow of a volume of particulate material comprising a transparent tube of known cross-sectional area, means for supplying a flow of particulate material through the transparent tube, and an optical signal sensor for receiving a... | 05/06/2008 |
| 7369949 | Electromagnetic flowmeter An electromagnetic flowmeter includes a measuring tube, an electrode, an exciting unit, a signal conversion unit, and a flow rate calculating unit. The signal conversion unit extracts a ∂A/∂t component irrelevant to a flow velocity of the fluid and a v×B compon... | 05/06/2008 |
| 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 |
| 7363811 | Measurement pickup A measurement pickup is provided offering a high measure of safety and having a measurement pickup housing, a sensor element arranged in the measurement pickup, at least one connection element closing the measurement pickup housing, and an excess-pressure protection... | 04/29/2008 |
| 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 |
| 7346434 | Electronically controlled fluid limiting apparatus and method for use thereof A flow control apparatus and method for operating the apparatus are disclosed. The flow control apparatus comprises a main supply line, a first valve, a first pressure transducer, a rotary meter, a control line, an intermediate valve, a second pressure transducer, a... | 03/18/2008 |
| 7340950 | Flow rate measuring device To provide a flowmeter capable of enhancing metering resolution to thus effect accurate metering. When a fluid to be measured is supplied to or discharged from a metering chamber 4, a membrane 11 provided in the metering chamber 4 is reci... | 03/11/2008 |
| 7340353 | Dual function flow measurement apparatus having an array of sensors A dual function flow measurement apparatus is provided that combines the functionality of an apparatus that measures the speed of sound propagating through a fluid flowing within a pipe, and measures pressures disturbances (e.g. vortical disturbances or eddies) movi... | 03/04/2008 |
| 7337662 | Electrostatic capacity type liquid state detecting sensor An electrostatic capacity type liquid state detecting sensor includes an outer tubular electrode, and an inner electrode disposed within the outer tubular electrode and having an insulation layer at an outer surface portion to be brought into contact with liquid con... | 03/04/2008 |
| 7334391 | Electric power supply equipment An electric power supply system capable of maintaining stable power generation or the like regardless of variation in the amount of fuel gas being supplied and variation in the gas calorie, comprises a gas engine, a gas turbine, a suction device configured to collec... | 02/26/2008 |
| 7330770 | Fan selection method and fan selection device To provide a fan selection device capable of selecting a fan using a small amount data prepared in advance and also using simple computations. A required ventilation flow quantity is computed by computing means 4 when predicted total electric power consumptio... | 02/12/2008 |
