Patent application number | Description | Published |
20090248374 | Modeling of Hydrocarbon Reservoirs Containing Subsurface Features - A method for modeling a reservoir response in a subsurface system is provided. The subsurface system has at least one subsurface feature. Preferably, the subsurface system comprises a hydrocarbon reservoir. The method includes defining physical boundaries for the subsurface system, and locating the at least one subsurface feature within the physical boundaries. The method also includes creating a finite element mesh within the physical boundaries. The finite element mesh may have elements that cross the at least one subsurface feature such that the subsurface feature intersects elements in the mesh. A computer-based numerical simulation is then performed wherein the effects of the subsurface feature are recognized in the response. The reservoir response may be, for example, pore pressure or displacement at a given location within the physical boundaries. | 10-01-2009 |
20110011595 | Modeling of Hydrocarbon Reservoirs Using Design of Experiments Methods - Methods for generating a surrogate model for subsurface analysis may include identifying input parameters for the subsurface analysis, and selecting a range of values for the identified parameters. The methods also include selecting a design of experiments method for filling sampling points within the ranges of values for the identified input parameters. The design of experiments method may be a classical method or a space-filling technique. The methods also include filling sampling points within the ranges of values for the identified input parameters. The sampling points are filled based on the design of experiments method selected. The methods further include acquiring output values for each of the selected sampling points, and constructing a surrogate model based upon the output values for at least some of the selected sampling points. The surrogate model is a mathematical equation that represents a simplified model for predicting solutions to complex reservoir engineering problems. | 01-20-2011 |
20110272152 | Operating Wells In Groups In Solvent-Dominated Recovery Processes - To recover oil, including viscous oil, from an underground reservoir, a cyclic solvent-dominated recovery process may be used. A viscosity reducing solvent is injected, and oil and solvent are produced. Unlike steam-dominated recovery processes, solvent-dominated recovery processes cause viscous fingering which should be controlled. To control viscous fingering, operational synchronization is used within groups and not between adjacent groups. | 11-10-2011 |
20130073272 | Discretized Physics-Based Models and Simulations of Subterranean Regions, and Methods For Creating and Using the Same - Methods for creating and using discretized physics-based models of subsurface regions, which may contain a hydrocarbon reservoir or other subsurface feature(s). The methods may include selecting a pre-solved model, applying a mesh to the pre-solved model, defining the shape of the subsurface region to be modeled, and transforming the pre-solved model, to which the mesh has been applied, to the shape of the subsurface region. In some methods, the pre-solved model is an idealized model. In some methods, the mesh is applied to a solution of potential field lines associated with the pre-solved model, and in some methods, the solution of potential field lines is a composite solution of a plurality of solutions of potential field lines. In some methods, one or more supershapes are used to define the shape of the subsurface region. In some methods, a hyperelastic strain deformation calculation is utilized for the transforming. | 03-21-2013 |
Patent application number | Description | Published |
20090174188 | AIRCRAFT ENGINE STARTER/GENERATOR AND CONTROLLER - An aircraft starting and generating system includes a starter/generator that includes a main machine, an exciter, and a permanent magnet generator. The system also includes an inverter/converter/controller that is connected to the starter/generator and that generates AC power to drive the starter/generator in a start mode for starting a prime mover of the aircraft, and that converts AC power, obtained from the starter/generator after the prime mover have been started, to DC power in a generate mode of the starter/generator. The exciter includes a stator and a rotor, and wherein the exciter rotor includes a three-phase AC winding. | 07-09-2009 |
20100127647 | ELECTRIC ENERGY STORAGE INTEGRATED WITHIN OR PROXIMATE TO ELECTRICALLY DRIVEN FLIGHT CONTROL ACTUATORS - An apparatus for use with a flight control actuator and method for assembling the same is provided. The apparatus includes a motor drive system and a control unit. The motor drive system includes a capacitor-based energy storage configured to store and provide energy within or proximate to the actuator. The control unit is coupled to the motor drive system and is configured to facilitate managing power within or proximate to the actuator. | 05-27-2010 |
20100164428 | METHOD AND SYSTEMS FOR AN ENGINE STARTER/GENERATOR - A method and system for an engine starter/generator is provided. The starter/generator system includes a three phase squirrel cage induction machine, a three phase inverter/converter electrically coupled to the three phase squirrel cage induction machine. The starter/generator system also includes a bidirectional DC-DC converter electrically coupled to the three phase inverter/converter, and a digital control board configured to sensorlessly determine a rotor angle from a plurality of phase currents to the induction machine during a start mode. During the start mode, logic in the digital control board configures the starter/generator system into a combination of an induction motor, a three phase DC-AC inverter, and a DC-DC boost converter, and during a generate mode, the logic in the digital control board configures the starter/generator system into a combination of an induction generator, a three phase AC-DC converter, and a DC-DC buck converter. | 07-01-2010 |
20100295301 | AIRCRAFT ENGINE STARTING/GENERATING SYSTEM AND METHOD OF CONTROL - A starting and generating system for use with an aircraft engine includes a starter/generator and an inverter/converter/controller (ICC) coupled to the starter/generator. The starter/generator is configured to start the aircraft engine in a start mode and to generate AC power in a generate mode. The starter/generator includes an exciter and a rotational shaft. The ICC is configured to provide AC power at a first frequency the starter/generator in the start mode and to control the exciter during the generate mode such that the generate mode AC power has a second frequency, wherein the first frequency is based on a shaft speed of the shaft. | 11-25-2010 |
20100302823 | METHOD AND APPARATUS FOR ELECTRICAL BUS CENTERING - A bus centering device for use in an aircraft electrical power distribution system that includes a positive bus rail, a negative bus rail, and a ground is described. The device includes a central node, a first and second switching component configured to couple the central node to the positive rail and the negative rail for a first and second predetermined duty cycle, respectively. The device includes an inductive component coupled between the central node and ground, and is configured to maintain a voltage at the central node substantially equal to ground, wherein a voltage between the positive rail and the central node is maintained substantially equal to a voltage between the negative rail and the central node. The device includes a first and second current limiting device configured to maintain a continuity of current from the inductive component when the first and second switching components are turned off. | 12-02-2010 |
20110252807 | ACCESSORY GEARBOX WITH A STARTER/GENERATOR - An assembly for a gas turbine engine comprising an accessory gearbox comprising a drive gear and a starter/generator mechanically mounted to the accessory gearbox. The starter/generator comprising a rotatable shaft, a pinion gear carried by the shaft, a main machine carried by the shaft, a permanent magnet generator (PMG) carried by the shaft and an exciter carried by the shaft. | 10-20-2011 |
20120159964 | ACCESSORY GEARBOX WITH A STARTER/GENERATOR - An assembly for a gas turbine engine comprising an accessory gearbox comprising a drive gear and pinion gear and a starter/generator mechanically mounted to the accessory gearbox. The starter/generator comprising a housing and a portion of a rotatable shaft with a safety disconnect where the safety disconnect is located within the housing of the starter/generator. | 06-28-2012 |
20120161684 | SYSTEM AND METHOD FOR SYNCHRONOUS MACHINE HEALTH MONITORING - A method, system and computer program product for monitoring health of a synchronous machine is provided. The method includes receiving a plurality of phase voltage values and a plurality of phase current values. The method then computes a negative sequence voltage (Vn) based on the plurality of phase voltage values. The method also computes one or more operating parameters based on at least one of the plurality of phase voltage values and the plurality of phase current values. The method retrieves from a data store, one or more known Vn based on the one or more operating parameters. The method then computes a machine health indicator based on the computed Vn and the one or more known Vn, and raises an alarm based on the machine health indicator. | 06-28-2012 |
20130088017 | GENERATOR - A generator, such as for a gas turbine engine, includes an integrated auto transformer unit having secondary windings connected to a main windings. | 04-11-2013 |
20130088019 | APPARATUS FOR GENERATING POWER FROM A TURBINE ENGINE - An apparatus for powering an aircraft by generating power from a pressure spool of a turbine engine. AC power can be extracted from the turbine engine by a generator having an integrated autotransformer unit, and converted to DC power. | 04-11-2013 |
20130154359 | APPARATUS FOR GENERATING POWER FROM A TURBINE ENGINE - An electrical architecture for an aircraft providing power for the aircraft by generating power from a high pressure spool and a low pressure spool of a turbine engine. The spools can be used to drive corresponding generators; the power from which can be used to supply the various loads of the aircraft. | 06-20-2013 |
20130207395 | AIRCRAFT ENGINE STARTER/GENERATOR - An assembly for a gas turbine engine includes a S/G having a rotatable shaft, a main machine, a PMG, and an exciter wherein at least one of the main machine, PMG, and exciter includes a rotor mounted to the shaft and having multiple rotor poles, a stator having multiple stator poles and at least one of the rotor poles and stator poles being formed by a core with a post and wire wound about the post to form a winding, with the winding having at least one end turn, and a layer to increase cooling capabilities of a portion of at least one of the stator and the rotor. | 08-15-2013 |
20130232941 | APPARATUS FOR EXTRACTING INPUT POWER FROM THE LOW PRESSURE SPOOL OF A TURBINE ENGINE - An apparatus for powering an aircraft by generating power from a pressure spool of a turbine engine includes a speed range reduction assembly that reduces the higher speed ranges of a low pressure spool to lower speed ranges within the tolerances of the same DC or VF generators used with the high pressure spool. | 09-12-2013 |
20140117894 | METHOD FOR STARTING AN ELECTRIC MOTOR - A method for starting an electric motor, the motor having a main machine, exciter, and permanent magnet generator (PMG), each having a stator and a rotor, with each rotor mounted to a common shaft, the method comprising starting the main machine in an asynchronous mode by applying a starting current to the stator of the main machine to induce a damper current in a damper winding of the main rotor to generate a starting torque that initiates the rotation of the common shaft, and then running the main machine in synchronous mode by supplying running current from the exciter rotor to the main machine rotor. | 05-01-2014 |
20140210320 | ELECTRIC MACHINE AND RECTIFIER ASSEMBLY THEREFOR - An electric machine having a rectifier assembly placed within a rotating shaft of the electric machine to convert the AC output of the electric machine to DC prior to transmission of the electricity from the electric machine. | 07-31-2014 |
20140239777 | ROTATING RECTIFIER ASSEMBLY FOR ELECTRIC MACHINE - An electric machine having a rectifier assembly placed within a rotating shaft of the electric machine to convert the AC output of the electric machine to DC prior to transmission of the electricity from the electric machine. | 08-28-2014 |
20150035406 | ELECTRIC MACHINE WITH A SLOT LINER - An electrical machine includes a rotor, a stator having a slot liner including an electrical insulator which extends beyond the stator ends, and a strengthening element provided at each of the slot liner ends, wherein the strengthening strip reduces the splitting of the corresponding slot liner end. | 02-05-2015 |
20150054283 | AIRCRAFT ENGINE CONSTANT FREQUENCY STARTER/GENERATOR - A constant frequency starter/generator for a turbine engine includes a first inverter/converter, a second inverter/converter, a DC link electrically connecting the first inverter/converter to the second inverter/converter, and an electric machine having a synchronous main machine, wherein the constant frequency starter/generator is operable in a start mode and a run mode. | 02-26-2015 |
20150123463 | ELECTRICAL POWER SYSTEM FOR AN AIRCRAFT - An electrical power system for an aircraft having electrical loads and at least one jet engine with a high pressure spool and a low pressure spool, the electrical power system includes a first electrical machine driven by a first pressure spool and outputting a first voltage, a second electrical machine driven by a second pressure spool and outputting a second voltage, and an electrical distribution bus receiving the first and second voltages and supplying the voltages to the loads. | 05-07-2015 |
20150233978 | CURRENT-SENSING ASSEMBLY - A current-sensing assembly for aircraft includes a power module for providing switchable power and a Hall sensor capable of measuring current traversing through a conductor. | 08-20-2015 |
20150249370 | ROTOR ASSEMBLY FOR AN ELECTRIC MACHINE - A rotor assembly for an electric machine includes a core having at least one post and a cap wherein electrical windings are wound about the rotor assembly to define a pole. The rotation of the rotor and rotor pole relative to a stator generates a current supplied from the electric machine to a power consuming device. | 09-03-2015 |
Patent application number | Description | Published |
20130151234 | TECHNIQUES FOR INPUT OF A MULTI-CHARACTER COMPOUND CONSONANT OR VOWEL AND TRANSLITERATION TO ANOTHER LANGUAGE USING A TOUCH COMPUTING DEVICE - A technique is presented for fast input of multi-character compound consonants and vowels on a touch computing device. The technique provides for fast input of multi-character compound consonants and vowels by enabling a user to touch an initial character on a first layout of characters, then slide his/her finger in different directions and/or different distances according to a second layout of characters. The second layout of characters can be based on the first touched character and therefore can have a limited set of characters, e.g., fewer characters in comparison to the first layout of characters. A syllable formed after input of both a consonant and a vowel, represented as one character set, e.g., in the Roman alphabet, can then be transliterated into another language, e.g., Chinese. | 06-13-2013 |
20140304640 | TECHNIQUES FOR INPUT OF A MULTI-CHARACTER COMPOUND CONSONANT OR VOWEL AND TRANSLITERATION TO ANOTHER LANGUAGE USING A TOUCH COMPUTING DEVICE - A technique is presented for fast input of multi-character compound consonants and vowels on a touch computing device. The technique provides for fast input of multi-character compound consonants and vowels by enabling a user to touch an initial character on a first layout of characters, then slide his/her finger in different directions and/or different distances according to a second layout of characters. The second layout of characters can be based on the first touched character and therefore can have a limited set of characters, e.g., fewer characters in comparison to the first layout of characters. A syllable formed after input of both a consonant and a vowel, represented as one character set, e.g., in the Roman alphabet, can then be transliterated into another language, e.g., Chinese. | 10-09-2014 |
20140354549 | Inputting Tone and Diacritic Marks by Gesture - Methods and systems for inputting tone and diacritic marks by gesture are provided. A method may include displaying a keypad for text input. Selection of a key and a gesture may be received. The gesture input may be semantically linked to a phonological property, a diacritic property, and/or a tone. A gesture input may include a substantially horizontal movement to the right associated with a first tone, a movement up and to the right associated with a second tone, a movement down and to the right, then up and to the right associated with a third tone, and a movement down and to the right associated with a fourth tone. A grapheme may be displayed based upon the selected key and the received gesture. With the diacritic and/or tone information, a grapheme may be predicted which may help to reduce the effort and speed of input. | 12-04-2014 |
Patent application number | Description | Published |
20130285819 | Inspection method of backlight module and inspection apparatus thereof - The present invention provides an inspection method of a backlight module and an inspection apparatus. The inspection method of the backlight module comprising: obtaining space brightness values of multiple positions of the backlight module on an inspection machine when the backlight module is setting in standard luminance mode, and setting the space brightness values as standard brightness values; obtaining real-time space brightness values of the multiple positions of the backlight module; comparing the real-time space brightness values with the standard space brightness values in order to determine if the backlight module is abnormal. The present invention compares the real-time space brightness values measured by the brightness meters with the standard space brightness values corresponding to the standard luminance mode of the backlight module in order to determine if the backlight module is abnormal instantaneously, and using the brightness meters to replace the luminance meters results in cost saving. | 10-31-2013 |
20130321020 | Method for Detecting Liquid Crystal Display Panel and Detecting System - The present provide a technical solution by introducing a method of detecting a liquid crystal display panel, characterized in that the method includes a) providing an all-connection lit-up fixture having a plurality of probes. And b) performing a lit-up test by establishing an electrical coupling between the probes and a plurality of contacts on the liquid crystal display panel. By this arrangement. the liquid crystal display panel can be readily pin-pointed the defects after the shorting bar is cut off as the fixture provided can readily restore the lit-up test Accordingly, the capability of lit-up test is therefore enhanced. | 12-05-2013 |
20140091804 | METHOD AND DEVICE FOR DETECTING LEAKAGE BRIGHT SPOT - A method for detecting a leakage bright spot includes: providing a driving circuit of data lines and a gate drive of a gate side and connecting a terminal area of the gate side by conductive adhesive; dividing the terminal area of the gate side into a first area and a second area, turning on switches of pixel electrodes, and transmitting a driving signal to the data side; and detecting the leakage bright spot by optionally driving conductive terminals on the first area or the second area of the gate side. The present disclosure further provides a device for detecting a leakage bright spot. | 04-03-2014 |
20140139254 | Method of Testing LCD Panel - A method for testing an LCD panel is proposed. The method includes: dividing a scanning period into a first sub-period and a second sub-period; in the first sub-period, inputting a first scanning signal to a first set of scan lines, inputting a first testing signal to a first set of data lines, and inputting a second testing signal to a second set of data lines; and in the second sub-period, inputting a second scanning signal to a second set of scan lines, inputting a first scanning signal to a first set of scan lines, inputting a second testing signal to a first set of data lines, and inputting a first testing signal to a second set of data lines. By using the procedure, the present invention uses the testing method in the cell process to test the image blur phenomenon. This can improve the testing ability and raise the yield. | 05-22-2014 |
20140139256 | DETECTING DEVICE AND METHOD FOR LIQUID CRYSTAL PANEL - A detecting device for detecting a liquid crystal panel is provided. The detecting device includes a first detecting unit connected to data lines on the liquid crystal panel, a second detecting unit connected to scanning lines on the liquid crystal panel, and a signal generator connected to the first detecting unit and the second detecting unit; both the first detecting unit and the second detecting unit comprise a line area and connecting ports arranged on one side of the line area and connected to the signal generator; a plurality of lines are arranged on the line area, the lines having the same properties are connected together with one ends thereof respectively connected to the connecting ports and the other ends thereof connected to the corresponding signal lines arranged on the liquid crystal panel. | 05-22-2014 |