Patent application number | Description | Published |
20100037612 | FUEL DIVIDER SYSTEM FOR GAS TURBINE ENGINE - A fuel divider system includes a housing assembly and a flow passage network having an inlet, a primary outlet, and a secondary outlet. A fuel divider piston is slidably disposed within the housing assembly and movable between a flow biasing position and a flow equalizing position. A control chamber is fluidly coupled to the flow passage network and fluidly communicates with the piston. An inlet chamber, at least partially defined by the piston and the housing assembly, is fluidly coupled to the inlet. At least one channel is provided through the piston and configured to cooperate with the flow passage network to port the FD control chamber to: (i) the fuel pressure at the secondary outlet when the FD piston is in the flow biasing position, and (ii) the fuel pressure within the inlet chamber when the FD piston is in the flow equalizing position. | 02-18-2010 |
20100050593 | FLOW EQUALIZING OVERRIDE ASSEMBLY FOR FUEL DIVIDER SYSTEM - A flow equalizing override assembly is provided for use in conjunction with a gas turbine engine (GTE) and a fuel divider system. In one embodiment, the flow equalizing override assembly includes a housing assembly, a fuel divider (FD) valve, a remotely-actuatable valve, and a controller. The FD valve includes: (i) a piston slidably disposed within the housing assembly and movable between a default position and a flow equalizing position, and (ii) a control chamber defined by the piston and the housing assembly. The remotely-actuatable valve is fluidly coupled to the control chamber and is configured to selectively adjust the fuel pressure therein. The controller is configured to command the remotely-actuatable valve to adjust the pressure within the control chamber such that the piston moves from the default position to the flow equalizing position after ignition of the GTE. | 03-04-2010 |
20100058733 | ECOLOGY VALVE FUEL RETURN SYSTEM FOR GAS TURBINE ENGINE - An ecology valve (EV) fuel return system is provided. In one embodiment, the EV fuel return system includes a housing assembly having a fuel return outlet and a first manifold inlet. The fuel return outlet is fluidly coupled to a fuel supply system, and the first manifold inlet is fluidly coupled to a first manifold of a gas turbine engine (GTE). An ecology valve is disposed in the housing assembly and fluidly coupled to the fuel return outlet and to the first manifold inlet. A fuel routing assembly is fluidly coupled between the first manifold inlet, the fuel return outlet, and the ecology valve. The fuel routing assembly routes fuel: (i) from the first manifold inlet to the ecology valve when the GTE is in a shut-down mode, and (ii) from the ecology valve to the fuel return outlet when the GTE is in an engine start mode. | 03-11-2010 |
20100132368 | ECOLOGY VALVE FUEL RETURN SYSTEM OPERABLE IN FLUID ISOLATION DURING GAS TURBINE ENGINE SHUT-DOWN - In one embodiment, an ecology valve (EV) fuel return system includes a housing assembly, an ecology valve, and a fuel routing assembly. The ecology valve includes an EV piston slidably disposed within the housing assembly for movement between a fuel storage position and a fuel return position, a fuel storage chamber defined by the EV piston and the housing assembly, and an EV control chamber defined by the EV piston and the housing assembly. The fuel routing assembly, which is fluidly coupled to the EV control chamber and to the fuel storage chamber, is configured to route fuel: (i) from the fuel storage chamber to a fuel supply system when a gas turbine engine (GTE) is in a start-up mode, and (ii) from the first fuel manifold and from the EV control chamber to the fuel storage chamber when the GTE is in a shut-down mode. | 06-03-2010 |
20120067022 | GAS TURBINE ENGINE FUEL CONTROL THRUST CONTROL OVERRIDE SYSTEM - A gas turbine engine fuel control system is provided that includes a fuel metering valve and a thrust control valve. The fuel metering valve includes a metering valve inlet and a metering valve outlet. The metering valve inlet is adapted to receive a flow of fuel, and is configured to control the flow of fuel through the metering valve outlet. The thrust control valve is adapted to receive thrust control valve override signals and is configured, in response thereto, to move from a first position, in which flow from the metering valve is not impacted, and a second position, in which flow from the metering valve is blocked while flow through a fixed-area orifice is allowed. | 03-22-2012 |
20120199206 | DIRECT METERING FUEL SYSTEM WITH CONSTANT SERVO FLOW - A direct metering fuel supply system includes a fuel pump, a burn flow fuel line, a servo flow fuel line, and a servo regulator. The fuel pump is adapted receive pump commands representative of a commanded fuel flow rate and is configured, in response to the pump commands, to discharge fuel at the commanded fuel flow rate. The burn flow fuel line is in fluid communication with the pump to receive a first portion of the fuel discharged therefrom. The servo flow fuel line is in fluid communication with the pump to receive a second portion of the fuel discharged therefrom. The servo regulator is mounted on the servo flow fuel line and configured to maintain fuel flow rate in the servo flow fuel line at a substantially constant fuel flow rate regardless of fuel flow rate in the burn flow fuel line. | 08-09-2012 |
20120261000 | FUEL FLOW DIVIDER AND ECOLOGY SYSTEM FOR A GAS TURBINE ENGINE FUEL FLOW CONTROL SYSTEM - A flow divider valve for a gas turbine engine fuel supply system is provided. The flow divider valve is configured, whenever fuel pressure at its inlet port is between a first predetermined pressure and a second predetermined pressure, to supply the fuel to a start nozzle manifold outlet port at a substantially constant flow rate, and to direct any fuel flow in excess of the substantially constant flow rate to a run nozzle manifold outlet port. | 10-18-2012 |
20130199630 | GAS TURBINE ENGINE FUEL RETURN VALVE AND SYSTEM - A fuel return valve and system includes a flow-level select and shut-off valve and a servo control valve. The flow-level select and shut-off valve includes a first fuel inlet, a second fuel inlet, a return-to-tank fuel outlet, and a valve element movable between a shut-off position, a mid-flow position, and a max-flow position. The servo control valve is coupled to the flow-level select and shut-off valve and is configured to control relative fluid pressures therein to selectively move the valve element to the shut-off position, the mid-flow position, and the max-flow position. | 08-08-2013 |
Patent application number | Description | Published |
20130327044 | FUEL METERING VALVE FAIL-FIXED AND BACK-UP CONTROL SYSTEM - A system provides “fail fixed” functionality and allows a user to manually manipulate fuel flow to a gas turbine engine in the unlikely event the primary control means is unavailable. The fuel metering unit includes a fuel metering valve, a flow increase valve, and a flow decrease valve. The flow increase valve and flow decrease valves are both in fluid communication with the fuel metering valve and are each adapted to selectively receive fuel flow commands from a primary fuel flow command source and from a secondary fuel flow command source. The flow increase and decrease valves are responsive to the fuel flow commands to selectively control the position of the fuel metering valve. | 12-12-2013 |
20140196459 | HIGH PRESSURE, MULTIPLE METERING ZONE GAS TURBINE ENGINE FUEL SUPPLY SYSTEM AND METHOD - A gas turbine engine fuel supply system includes a primary gear pump, a secondary gear pump, and a pump bypass valve. The primary gear pump always actively delivers fuel to the downstream fuel system, and is sized to supply 100% of the burn flow needed at a select low demand condition. The secondary gear pump is sized to make up the remainder of the flow at high demand conditions, and actively delivers fuel to the downstream fuel system only during those conditions. To supply discharge fuel pressures in excess of gear pump capability, a supercharger pump is disposed upstream of the primary and secondary gear pumps. The pump bypass valve is configured to regulate fuel pressure at the primary gear pump outlet to one of a plurality of preset differential pressures above one of a plurality of fuel load pressures and prevents reverse pressurization of the gear pumps. | 07-17-2014 |
20140196463 | HIGH EFFICIENCY, HIGH PRESSURE GAS TURBINE ENGINE FUEL SUPPLY SYSTEM AND METHOD - A gas turbine engine fuel supply system includes a primary gear pump and a secondary gear pump. The primary gear pump always actively delivers fuel to the downstream fuel system, and is sized to supply 100% of the burn flow needed at a select low demand condition. The secondary gear pump is sized to make up the remainder of the flow at high demand conditions, and actively delivers fuel to the downstream fuel system only during those conditions. To supply discharge fuel pressures in excess of gear pump capability, a supercharger pump is disposed upstream of the primary and secondary gear pumps. The supercharger pump is preferably activated only during high demand conditions as an additional energy conservation measure. | 07-17-2014 |
Patent application number | Description | Published |
20130191927 | CONTENT MANAGEMENT DEVICE AND CONTENT MANAGEMENT METHOD - Provided is a content management device for protecting a content of a provider. A content management device | 07-25-2013 |
20130198361 | CONTENT DISTRIBUTION SYSTEM, CONTENT MANAGEMENT SERVER, CONTENT-USING DEVICE, AND CONTROL METHOD - A content management server comprises: a first connection detection unit that detects whether or not the content management server is connected with the content-using device; a content management unit that manages the content according to a result of the detection by the first connection detection unit and holds information on how the content-using device controls the use of the content. A content-using device comprises: a second connection detection unit that detects whether or not the content-using device is connected with the content management server; a second selection unit that specifies a method for controlling the use of the content according to a result of the detection by the second connection detection unit; and a content control unit that controls the use of the content according to the method specified by the second selection unit. | 08-01-2013 |
20140013453 | DUPLICATION JUDGMENT DEVICE AND DUPLICATION MANAGEMENT SYSTEM - Each recording medium device includes a memory and a controller having controller information allocated thereto. Each recording medium device has a medium identifier allocated thereto. A duplication judgment device | 01-09-2014 |
20140059679 | SOFTWARE UPDATING APPARATUS, SOFTWARE UPDATING SYSTEM, INVALIDATION METHOD, AND INVALIDATION PROGRAM - To aim provide a software update apparatus including an install module group composed of a plurality of install modules. Each of the install modules has a function of receiving, from an external server, a replacement protection control module to be used for updating a protection control module having a function of verifying whether a predetermined application has been tampered with. Each of the install modules simultaneously running is verified by at least another one of the install modules simultaneously running, as to whether the install module has a possibility of performing malicious operations. If any of the install modules is verified as having the possibility of performing the malicious operations, any another one of the install modules that is verified as not having the possibility revokes the any install module verified as having the possibility. | 02-27-2014 |
20140090087 | METHOD OF MANAGING MAP INFORMATION, NAVIGATION SYSTEM, INFORMATION TERMINAL, AND NAVIGATION DEVICE - A method of managing map information including: attaching a retrieval identifier, according to input information, to map information which is obtained by retrieval based on the input information, the retrieval identifier indicating whether the map information is personal data or public data; storing the map information as the personal data into a storage device, the map information being indicated to be the personal data by the retrieval identifier attached in the attaching, and storing the map information as the public data into the storage device, the map information being indicated to be the public data by the retrieval identifier; and executing a navigation process using at least one of the personal data and the public data which are stored in the storage device. | 03-27-2014 |
20140129842 | UNAUTHORIZED CONTENTS DETECTION SYSTEM - A data processing device for playing back a digital work reduces the processing load involved in verification by using only a predetermined number of encrypted units selected randomly from multiple encrypted units constituting encrypted contents recorded on a DVD. In addition, the data processing device improves the accuracy of detecting unauthorized contents by randomly selecting a predetermined number of encrypted units every time the verification is performed. | 05-08-2014 |
20140196134 | VERIFICATION METHOD FOR VERIFYING VALIDITY OF PROGRAM, AND VERIFICATION SYSTEM - A verification method pertaining to the present invention is executed by a terminal device and is used for determining the validity of a control program used for remotely controlling an appliance via a server. Verification data generated from: a unique identifier which is assigned to a user of the terminal device; a parameter which is generated by the server device and is assigned to the control program; and partial data which is at least a portion of the control program, is compared with comparison data generated from: the ID of the user stored in the server device; the parameter; and a portion of a program corresponding to the partial data of the control program. When a mismatch occurs, the remote control of the appliance will be prohibited. | 07-10-2014 |
20140237624 | TERMINAL DEVICE, SERVER DEVICE, CONTENT RECORDING CONTROL SYSTEM, RECORDING METHOD, AND RECORDING PERMISSION CONTROL METHOD - A terminal device recording content onto a recording medium device, a permission to record the content onto the recording medium device being granted by a server device, the terminal device comprising: a generation unit generating a value calculated so as to represent subject content for which permission to record is requested; an information transmission unit requesting the permission from the server device by transmitting information indicating the value generated by the generation unit to the server device; a signature reception unit receiving subject content signature data from the server device, the subject content signature data being transmitted by the server device upon granting the permission; and a recording unit recording the subject content onto the recording medium device as one of plain-text data and encrypted data, as well as the subject content signature data received by the signature reception unit. | 08-21-2014 |
20140277798 | DATA PROCESSING METHOD, TRANSMITTING APPARATUS, AND ANOMALY DETECTION SYSTEM - A data processing method for processing usage history data of at least one electrical device used by a user, including: obtaining first usage history data indicating a usage history of at least one electrical device used by the user; obtaining second usage history data indicating a fixed dummy usage history; generating third usage history data by combining the first usage history data and the second usage history data; and transmitting the third usage history data from a first apparatus to a second apparatus. | 09-18-2014 |
20140344054 | INFORMATION PROVIDING METHOD AND INFORMATION PROVIDING DEVICE - A first user among a plurality of users is associated with a second user having an evaluation tendency similar to evaluation data of the first user for management. Further, a third user is selected by a terminal device of the first user as a user having preference information that suits preference of the first user. The third user is associated with the first user and the second user for management. This configuration makes it possible to select not only a user automatically selected by a system but also another user whom a targeted user is interested in as a similar user, allowing provision of information that better suits hobby and preference of the targeted user. | 11-20-2014 |
20140347173 | METHOD USED IN A SYSTEM FOR REMOTELY CONTROLLING AN APPLIANCE - A method used in a remote control system for remotely controlling an appliance by execution of a remote control command contained in a control program stored in an operation terminal device, by which: a first identifier is acquired at a first time point (S | 11-27-2014 |