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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8089046 | Method and apparatus for calibrating mass flow controllers A method for determining the flow rate of a gas includes measuring a first concentration of a calibration gas provided to the process chamber at a first pressure and temperature by directing infrared radiation into the process chamber and monitoring a first amount o... | 01/03/2012 |
| 7372039 | Near UV absorption spectrometer and method for using the same A UV absorption spectrometer includes a housing, a controller, and a sensor unit including an ultraviolet light source, an analytical area in an analytical cell or in running water or gaseous medium, and an UV wavelength separator including a UV detector. An ultravi... | 05/13/2008 |
| 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 |
| 7301610 | Gas velocity sensor This invention relates to a gas velocity sensor such as an air velocity sensor for use on an aircraft such that the velocity of the aircraft can be determined. There is provided a gas velocity sensor comprising an electromagnetic radiation source operable to illumin... | 11/27/2007 |
| 7250871 | Particulate detector An apparatus and method are provided for detecting presence in gas of transient particulate above its normal zero or acceptable level within a duct (4), said apparatus comprising at least one emitter (2) of illumination selected from infra-red, ultravi... | 07/31/2007 |
| 7231011 | Apparatus for photon activation positron annihilation analysis Non-destructive testing apparatus according to one embodiment of the invention comprises a photon source. The photon source produces photons having predetermined energies and directs the photons toward a specimen being tested. The photons from the photon source resu... | 06/12/2007 |
| 7225685 | Pipe assembly unit with built-in flow sensors Cost is reduced by simplifying piping work and reducing the number of parts. At the same time, the degree of freedom in the arrangement of piping is raised by making the mounting posture of the piping variable. A pipe assembly unit with built-in sensors is fabricate... | 06/05/2007 |
| 7206376 | Fluid density measurement A wellbore tool for measuring the density of a fluid flowing in a wellbore by a photon attenuation technique includes a tube defining a flow path for the fluid, a photon source at one end of the tube, and a photon detector arranged to receive photons which have pass... | 04/17/2007 |
| 7151604 | Optical system and method for particle detection In accordance with various embodiments, particle detection systems and method for particle detection are provided. In exemplary embodiments, the particle detection system includes at least one detector and a light source that provides light. The exemplary system can... | 12/19/2006 |
| 7105805 | Apparatus and a method for characterizing multiphase effluents An apparatus for characterizing an effluent formed by a multiphase fluid mixture is described, said apparatus comprising a source emitting gamma rays at a plurality of energy levels through said effluent towards a detector block that takes account of the photons it ... | 09/12/2006 |
| 7102133 | Method and device for measuring a mass flow A device used to measure the mass flow of a particulate transported with the aid of a gas. The device includes an arrangement which is used to create an electromagnetic field, with a measuring area being defined therein. An evaluation device for electromagnetic radi... | 09/05/2006 |
| 7058153 | Method for photon activation positron annihilation analysis A non-destructive testing method comprises providing a specimen having at least one positron emitter therein; determining a threshold energy for activating the positron emitter; and determining whether a half-life of the positron emitter is less than a selected half... | 06/06/2006 |
| 7050166 | Calcium carbonate imaging technique The invention concerns a method for determining the particle size distribution (PSD) of bridging agents in fluids, particularly aqueous fluids used in hydrocarbon recovery such as drilling fluids, drill-in fluids, completion fluids, and the like. It was discovered t... | 05/23/2006 |
| 6964190 | Particulate matter concentration measuring apparatus A highly sensitive particulate matter concentration measuring apparatus for measuring a concentration of particulate matter in a sample gas collected in a collecting region formed on a collecting medium, the collecting region being formed by drawing the sample gas t... | 11/15/2005 |
| 6915685 | Tool holder for measurement means The invention relates to a tool holder serving to receive measurement means (9, 10, 13) for characterizing a multi-phase fluid coming from a deposit (17) through which at least one well (16) passes, and flowing inside said tool holder. According... | 07/12/2005 |
| 6433861 | Method and apparatus for a non-invasive measurement of the velocity of a gas or a fluid medium A method for non-invasive measurement of the velocity of a medium selected from either a gas or a fluid at an examination location by boosting atoms and molecules of the medium into an excited atomic or molecular state with a focused first pulsed light be... | 08/13/2002 |
| 6335959 | Apparatus and method for determining oil well effluent characteristics for inhomogeneous flow conditions An apparatus and method for determining the phase volume fractions for a multiphase oil well effluent is disclosed. The apparatus measures multiple energy gamma ray attenuations through the effluent mixture, and the method determines the phase volume frac... | 01/01/2002 |
| 6013921 | Method of measuring a mass flow distribution of a flow In a method of measuring a mass flow distribution of a flow over a measuring plane (8), a light section (5) extending parallel to and around the measuring plane is formed, the light section having a small thickness (7). A picture is recorded, vertically t... | 01/11/2000 |
| 6011263 | Method and apparatus for measuring multi-phase flow This invention is related to the measurement of flow rates and component fractions of individual phases of a composite fluid. More particularly, the invention is directed toward apparatus and methods for determining the volumetric flow rate or mass flow o... | 01/04/2000 |
| 5949069 | Method and apparatus for measuring volumetric water flow rates in highly inclined wellbores A method for determining a volume fraction of water moving in a predetermined direction along a highly inclined conduit. The method includes measuring a fractional volume of water occupying the conduit at a plurality of locations along the conduit. An oxy... | 09/07/1999 |
| 5708495 | Method and apparatus for determining the velocity of a gas flow A method and apparatus for measuring the velocity of a gas flow that does not require the seeding of the flow is disclosed. The method and apparatus produce a population of stable molecules within the flow. This population of stable molecules is produced ... | 01/13/1998 |
| 5701009 | Gas detection devices Gas detector includes structure (10) defining a gas flow passage (11), means (12) for passing an ultraviolet light beam (13) across the passage, and first and second electrodes (16, 17) downstream of the ultraviolet light means (12), at least one of the f... | 12/23/1997 |
| 5654551 | Method and apparatus for the measurement of the mass flow rates of fluid components in a multiphase slug flow A method of measuring mass flow rates of liquid phases in a multiphase slug flow containing at least two liquid phases includes (i) passing a flow through a tube; (ii) detecting commencement of passage of a slug in the flow past a first location in the tu... | 08/05/1997 |
| 5543617 | Method of measuring flow velocities using tracer techniques A method of measuring flow velocities in flowing fluids includes injecting into the flow a non-radioactive tracer having a neutron capture cross section higher than that of the flowing fluids, for example a gadolinium compound, and measuring the neutron c... | 08/06/1996 |
| 5526122 | Method for determining the mass flow of gases on the basis of optical absorption and employment of said method In the method, the totality of the gases is conducted through an absorption cell. A reference cell contains a reference gas. The cells are optically transirradiated and a signal representing a quantity for the mass flow to be identified is generated in a ... | 06/11/1996 |
| 5479020 | Metering device for a fluid A metering device for multiphase fluid, for example, crude oil, comprises a γ or X-ray densitometer incorporating windows for the metering radiation of boron carbide. The boron carbide windows can be provided by a sleeve guiding the fluid flow, the sleev... | 12/26/1995 |
| 5461909 | Oxygen activation method for quantitative water flow measurements within and behind well bore casing A method for measuring the linear flow velocity, radial position, direction, and the flow rate of water flowing within and behind a well borehole casing. A logging tool containing a source of essentially monoenergetic 14 MeV neutrons and at least one gamm... | 10/31/1995 |
| 5404752 | Method for measuring the velocity of water flow through nested conduits This disclosure provides a method for measuring the velocities of water volumes flowing co-directionally in separate conduits nested such as in injection or production well-bores. The method allows an oxygen activation measurement of the velocity of the w... | 04/11/1995 |
| 5396075 | Method for in situ characterization of a medium of dispersed matter in a continuous phase A method for in situ characterization of a medium of a dispersed phase in a continuous phase, including the steps of adding a fluorescent dye to one phase capable of producing fluorescence therein when the fluorescent dye is optically excited, optically e... | 03/07/1995 |
| 5354990 | In-situ localized tracer injection/fiber optic detection for measurement of flow distributions in fixed bed reactors The distribution of fluid flowing through a packed bed reactor is determined by placing a plurality of fiber optic sensors at desired locations within the packed bed reactor. A light analyzable tracer component is injected into the fluid flowing through t... | 10/11/1994 |
| 5344044 | Additive injection system and method An injection system and method for blending an additive into a main fluid flow stream at a controlled ratio, characterized by a controller wherein the electrical circuitry thereof is contained in an explosion-proof housing having a window through which el... | 09/06/1994 |
| 5343041 | Method and apparatus for determining the physical characteristics of a water flow A method and apparatus for studying the flow of water along a well, on the basis of a general spectrum g(t) of gamma ray detection numbers detected in a detection zone over a given detection duration and as a function of time, said gamma rays resulting fr... | 08/30/1994 |
| 5333044 | Fluorescent image tracking velocimeter A multiple-exposure fluorescent image tracking velocimeter (FITV) detects and measures the motion (trajectory, direction and velocity) of small particles close to light scattering surfaces. The small particles may follow the motion of a carrier medium suc... | 07/26/1994 |
| 5315117 | Volume meter system A system determines the relative amounts of phases in multiphase flow, typically the liquid (or gas) fraction of a stream in two-phase flow. More particularly, the system quickly and reliably determines the liquid (or gas) fraction of a flowing two-phase ... | 05/24/1994 |
| 5306911 | Method for determining the flow rate of aqueous phases in a multiphase flow A method for determining at least one dynamic flow characteristic of a multiphase flow circulating in a pipe, said flow being composed of an aqueous phase and a hydrocarbon (oil) phase. Oxygen atoms in the aqueous phase are activated by irradiation with n... | 04/26/1994 |
| 5304800 | Leak detection and responsive treatment in industrial water processes Leakage is detected between a process fluid and a temperature-conditioning fluid, or from a process fluid to a temperature-conditioning fluid, in an industrial process. The industrial process includes an A and a B fluid, and one of the A and B fluids rece... | 04/19/1994 |
| 5271900 | Carbon analyzer for both aqueous solutions and solid samples A carbon analyzer capable of measuring carbon contents of both liquid and solid samples under appropriate conditions includes not only basic components of a total organic carbon (TOC) analyzer such as a carrier gas supplying unit 22, a sample injection un... | 12/21/1993 |
| 5253535 | Apparatus and method for monitoring mass flow of solids A method and apparatus for transporting solid particulate material and calculating mass flow rate of the material through a rotary feeder having helical pockets is provided. At least one radiation source and two or more detectors are positioned in a manne... | 10/19/1993 |
| 5251785 | Additive injection system and method An injection system and method for blending an additive into a main fluid flow stream at a controlled ratio, characterized by a controller wherein the electrical circuitry thereof is contained in an explosion-proof housing having a window through which el... | 10/12/1993 |
| 5243190 | Radioactive tracing with particles There is provided radioactive particles having a ceramic matrix and an element which can be bombarded with neutrons to produce a gamma ray-emitting isotope. The particles are manufactured by mixing the ceramic components and the element, forming particles... | 09/07/1993 |
