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| Number | Title | Issue Date |
| 8049049 | Method of upgrading biomass, upgraded biomass, biomass water slurry and method of producing same, upgraded biomass gas, and method of gasifying biomass This method of upgrading a biomass comprises: an upgrading step for performing upgrading treatment of a cellulose based biomass with an oxygen/carbon atomic ratio of at least 0.5, in presence of water and under a pressure of at least saturated water vapor pressure, ... | 11/01/2011 |
| 7890272 | Torque measurement device and program To provide a torque measurement device capable of more accurately specifying positions of reflectors which are attached to a rotating body, and more accurately obtaining a torque of the rotating body. A pair of reflectors (14a, 14b... | 02/15/2011 |
| 7853065 | Fluid measuring system and fluid measuring method A fluid measurement system includes a long focus optical system at a CCD camera, and an image processing means for comparing particle images taken at two time points for analysis. The system further includes a high-pass filter for leaving high frequency components a... | 12/14/2010 |
| 7827793 | Power generation system To provide a power generation system that prevents a reduction in the efficiency of a steam turbine due to an aperture adjustment of a turbine governing valve. There is provided a power generation system comprising: a furnace in which a solid fuel or a liquid fuel i... | 11/09/2010 |
| 7826653 | Fluid measuring system and long focal point optical system A fluid measurement system includes a long focus optical system at a CCD camera, and an image processor for comparing particle images taken at two time points for analysis. The long focus optical system is provided with a shield which shields a part including a cent... | 11/02/2010 |
| 7786719 | Optical sensor, optical current sensor and optical voltage sensor A simple constitution together with an easy calibration of output by realizing a fast light intensity detection method is realized without using the carrier signal. An optical sensor, including: a sensor to which light from a light source is lead, and by whic... | 08/31/2010 |
| 7761402 | Group-based BCU methods for on-line dynamical security assessments and energy margin calculations of practical power systems This invention relates to a method of determining stability of unstable equilibrium point (UEP) computed by using BCU method, comprising selecting UEP computed by using BCU method, obtaining a test vector Xtest for the selected UEP, say XUEP us... | 07/20/2010 |
| 7735359 | Process quantity measurement method and apparatus of engine output A process quantity measurement method with which an engine output is accurately measured in a relatively simple manner. Torque of an engine is measured based on the amount of torsion of the output shaft of the engine, and an engine output is obtained based on the me... | 06/15/2010 |
| 7655900 | Intensity modulation type optical sensor and optical current/voltage sensor An influence on a sensor output is suppressed to a minimum degree even in the case when there is a ripple in a light source, thereby improving the measurement accuracy. In an intensity modulation type optical sensor, light from a light source 1 is guided to a... | 02/02/2010 |
| 7589515 | Method for reducing temperature-dependent error in photocurrent sensor, and photocurrent sensor device [Problem] To permit reduction in the temperature dependence of a sensor, which is ascribable to the temperature dependence of the Verdet constant of a sensor fiber, at a low cost. [Means for Resolution] In a prior-art optical sensor fiber of reflection type, ... | 09/15/2009 |
| 7555890 | Fast start-up combined cycle power plant A combined cycle power plant of the present invention is configured of a compressor; a combustor for combusting compressed air compressed by the compressor together with supplied fuel; a gas turbine driven by a combustion gas exhausted from the combustor; a heat rec... | 07/07/2009 |
| 6931945 | Doppler ultrasonic flowmeter A Doppler type ultrasonic flowmeter has an ultrasonic transmitting means for emitting ultrasonic pulses from an ultrasonic transducer into a fluid pipe, a flow velocity profile measuring means for receiving an ultrasonic echo reflected from a measurement region in t... | 08/23/2005 |
| 6868311 | Method and system for on-line dynamical screening of electric power system A system for on-line dynamic screening of contingencies comprising postulated disturbances which an electric power system may experience, the system comprising a dynamic contingency screening program for evaluating a plurality of contingencies with a plurality of co... | 03/15/2005 |
| 7483826 | Group-based BCU methods for on-line dynamical security assessments and energy margin calculations of practical power systems This invention relates to a method of determining stability of unstable equilibrium point (UEP) computed by using BCU method, comprising selecting UEP computed by using BCU method, obtaining a test vector Xtest for the selected UEP, say XUEP us... | 01/27/2009 |
| 7449101 | Method of reducing corrosion of metal material In a method of reducing corrosion of a metal material, a substance such as semiconductor for generating an electric current by thermal excitation is coated or adhered on a metal material surface, to be exposed to a water having a high temperature of 150° C. or more... | 11/11/2008 |
| 7438539 | Hermetic type scroll compressor and refrigerating and air-conditioning apparatus A hermetic type scroll compressor according to the invention includes a scroll compressor element in which an end plate of a orbiting scroll and an end plate of a fixed scroll are assembled such that they slide against each other, an electric motor element which dri... | 10/21/2008 |
| 7421915 | Nondestructive inspection apparatus A nondestructive inspection apparatus is designed to inspect components in a small gap of a structure. A main body 19 of the nondestructive inspection apparatus is positioned on a spray line header 13 connected to a thermal sleeve 16 within a co... | 09/09/2008 |
| 7415893 | Bubble generator for use in doppler ultrasonic flowmeter and doppler ultrasonic flowmeter A bubble generator to bring out performance of a Doppler ultrasonic flowmeter to the maximum extent is provided. The bubble generator is provided with a bubble generation member generating bubbles suitable for a predetermined frequency of an ultrasonic pulse ... | 08/26/2008 |
| 7409300 | Ultrasonic flow-velocity distribution meter/flowmeter, method of ultrasonically measuring flow velocity distribution/flowrate, program for ultrasonically measuring flow velocity distribution/flowrate An ultrasonic flowmeter includes: an emission trigger oscillator outputting a trigger signal; an ultrasonic oscillator generating and outputting ultrasonic pulses by the trigger signal from the emission trigger oscillator; an ultrasonic pulse receiver transmitting t... | 08/05/2008 |
| 7296419 | Cooling method of superconducting cable line To provide a cooling method of a superconducting cable line wherein moistures contained in the cable in the superconducting cable line after laid is removed before cooling, so that solidification of the moistures can be prevented from clogging of piping including a ... | 11/20/2007 |
| 7289914 | Ultrasonic flowmeter and ultrasonic flowmetering method An ultrasonic flowmeter casts an ultrasonic pulse toward a measurement line ML, processes ultrasonic echo signals, and calculates the position and speed of each ultrasonic reflector positioned along the measurement line ML by analyzing the ultrasonic echo signals su... | 10/30/2007 |
| 7279639 | Superconducting cable joint structure A superconducting cable joint structure is a structure used to joint together superconducting cables used at cryogenic temperature or to joint together a terminal of the superconducting cable and a normal conducting cable, and it includes a joint insulation layer ar... | 10/09/2007 |
| 7265297 | Multiphase superconducting cable connection structure and multiphase superconducting cable line A multiphase superconducting cable connection structure includes a connection box accommodating three conductor connects connecting a superconductor of a cable core of each phase extracted from a pair of 3-phase superconducting cables, a solid insulation member fixe... | 09/04/2007 |
| 7260940 | Heat pump using gas hydrate, and heat utilizing apparatus The object of the present invention is to provide a heat pump having a high coefficient of performance (COP), and a heat utilizing apparatus that allows the obtaining of high energy efficiency by using that heat pump. The heat pump, comprising a refrigerant c... | 08/28/2007 |
| 7260071 | Radio lan communication system A wireless LAN communication system includes a base stations having terminals respectively associated with the base stations and managed by a network management system. In the wireless LAN communication system, each of the base stations includes an association infor... | 08/21/2007 |
| 7211723 | Phase separation jig for superconductive cables and phase separation structure of superconductive cables A phase separation jig (100) for a superconducting cable includes: a cable holder (10) maintaining each core (80) of a multi-core superconducting cable (2) in a predetermined tolerable bending manner; and a coupler (20, 30) holding... | 05/01/2007 |
| 7184282 | Single-phase power conversion device and three-phase power conversion device To suppress a DC component in AC power in a power converter for converting DC power to AC power. DC power is converted to AC power by a converter 2, and the AC power is supplied to output terminals u1 and u2 via an inductor 3. The convert... | 02/27/2007 |
| 7148423 | Phase split structure of multiphase superconducting cable A phase split structure of a superconducting cable includes three cable cores each having a shield layer provided around a superconductor, a splitter box housing the three cable cores extending from an assembly portion where the three cable cores are assembled into ... | 12/12/2006 |
| 7136921 | Network system, detection method and monitoring method of network entity faults, and storage medium A monitor (102) receives a returned response message, and stores the state of the link directed to the NE that returned the message as a successful transmission, and then repeats the same operation at arbitrary intervals. When the monitor can not receive the ... | 11/14/2006 |
| 7120466 | Method for accepting sign-up applications from applicants who desire to utilize wireless communication services When a user inputs necessary details on a user's decision screen and transmits the inputted details (Step S3), an acceptance server 12 reads an address list from an address DB 21 and then transmits the address list to the user (Step S4). ... | 10/10/2006 |
| 7094973 | Superconducting cable joint structure A superconducting cable joint structure is a structure used to joint together superconducting cables used at cryogenic temperature or to joint together a terminal of the superconducting cable and a normal conducting cable, and it includes a joint insulation layer ar... | 08/22/2006 |
| 7093619 | Vacuum-insulated pipe To provide a thermal insulation piping with no radially projecting part from a periphery thereof, so as to facilitate insertion of the thermal insulation piping into a pipeline or equivalent. In a thermal insulation tube 10 having a vacuum layer between an in... | 08/22/2006 |
| 7067739 | Joint structure of superconducting cable and insulating spacer for connecting superconducting cable A joint structure of a superconducting cable having improved connection strength and preventing break of a superconducting layer is provided. A central conductor of an insulating spacer and a superconducting cable are connected via a conductor connecting member havi... | 06/27/2006 |
| 7030314 | Termination structure of cryogenic cable A termination structure of a cryogenic cable has a cryogenic-cable end portion and a current-lead end portion that are coupled to each other with a flexible conductor. Accordingly, any displacement in three-dimensional directions of the end portions that could occur... | 04/18/2006 |
| 7002116 | Baking method A baking method for heating an object (an inner pipe, an outer pipe) having a vacuum layer formed therein to remove gas molecules occluded in the object, wherein the object itself is made to be a heat production element for heating. By making the baking object a hea... | 02/21/2006 |
| 6951993 | Vacuum switch A vacuum switch comprises a vacuum container, a grounding switch and a load switch disposed in the container, and an external connection conductor disposed in the vacuum container and to be connected electrically inside and outside the vacuum container, and it is ch... | 10/04/2005 |
| 6938417 | Exhaust heat recovery system The present invention relates to an exhaust heat recovery system that recovers exhaust that is generated by an electrical power generator for use in supplying hot water and air conditioning, and has an object providing an exhaust heat recovery system that realizes r... | 09/06/2005 |
| 6888060 | Terminal structure of extreme-low temperature equipment A terminal structure of cryogenic equipment for leading a terminal of cryogenic equipment 100 from a very low temperature portion to a room temperature portion through a bushing, having a feature in that a connecting/heat-insulating portion 300 adiabat... | 05/03/2005 |
