Patent application number | Description | Published |
20090326783 | FLUID-POWERED THRUST REVERSER ACTUATION SYSTEM SPEED CONTROL - A fluid-powered thrust reverser actuation speed control system and method are provided. A drive fluid is supplied to a fluid-powered drive mechanism that is coupled to a thrust reverser movable component to thereby move the thrust reverser movable component at a first movement speed. A determination is made as to when the thrust reverser movable component attains a predetermined position. In response to the thrust reverser movable component attaining the predetermined position, the drive fluid supplied to the fluid-powered drive mechanism is controlled to thereby move the thrust reverser movable component at a second movement speed that is less than the first movement speed. | 12-31-2009 |
20130075494 | VAFN SYSTEMS WITH NOZZLE LOCKING ASSEMBLIES - A nozzle locking assembly is provided for an aircraft with a thrust reverser actuation system (TRAS) having a transcowl and a variable area fan nozzle (VAFN) system having a nozzle. The nozzle locking assembly includes a rod coupled to a fixed structure of the aircraft; and a locking mechanism mounted on the transcowl and configured to, when the transcowl is in a first position, engage the rod to unlock the nozzle locking assembly and to, when the transcowl is in a second position, disengage from the rod to lock the nozzle locking assembly | 03-28-2013 |
20130078081 | VAFN SYSTEMS WITH IMPROVED DRIVE COUPLING ASSEMBLIES AND BRAKES - An actuation system is provided for a variable area fan nozzle assembly of an aircraft. The actuation system includes a motor configured to generate a torque; a nozzle; and a drive coupling assembly coupled to the motor and the nozzle. The drive coupling assembly includes a first position in which the torque from the motor is transferred to the nozzle to translate the nozzle and a second position in which the torque from the motor is not transferred to the nozzle. The drive coupling assembly includes a first end portion and a second end portion, the first and second end portions mating with one another in the first position and disengaged from one another in the second position. | 03-28-2013 |
20130145743 | CASE ASSEMBLY WITH FUEL DRIVEN ACTUATION SYSTEMS - A thrust reverser actuation system (TRAS) for a case assembly of an aircraft is provided. The TRAS includes a fuel-driven motor; one or more actuators coupled to the fuel-driven motor; and a transcowl coupled to the actuators such that the fuel-driven drives the transcowl during operation. | 06-13-2013 |
20130145768 | CASE ASSEMBLY WITH FUEL OR HYDRAULIC DRIVEN VAFN ACTUATION SYSTEMS - A variable area fan nozzle (VAFN) system for an aircraft is provided. The VAFN system includes a fluid-driven motor configured to receive a fluid; one or more actuators coupled to the fluid-driven motor; and a nozzle assembly coupled to the actuators such that the motor drives the nozzle assembly during operation. | 06-13-2013 |
20130146708 | CASE ASSEMBLIES WITH COMMON CONTROLS - A case assembly for an aircraft is provided. The assembly includes a thrust reverser actuation system (TRAS) configured to provide braking assistance to the aircraft; a variable area fan nozzle (VAFN) system configured to adjust an engine exhaust of the aircraft; and a common control group coupled to the TRAS and the VAFN system for controlling operation of the TRAS and the VAFN system. | 06-13-2013 |
20130264399 | THRUST REVERSER ACTUATOR WITH PRIMARY LOCK - Actuator assembly includes a housing assembly, a ball screw, a ball nut, and a lock. The ball screw is rotationally mounted on and extends from the housing assembly, is coupled to receive an actuator drive torque, and is configured, upon receipt thereof, to rotate. The ball nut is rotationally supported on the ball screw and is configured, in response to rotation of the ball screw, to translate thereon between a stowed position and a deployed position. The lock is disposed at least partially within the housing assembly and is configured to move between a lock position and an unlock position. The lock prevents the ball nut from translating out of the stowed position when the lock is in the lock position and the ball nut is in the stowed position. | 10-10-2013 |
20140230583 | ACTUATOR INCLUDING HANDLING-PROOF POSITION FEEDBACK MECHANISM - An actuator includes a housing assembly, an actuator shaft, an actuation member, and an anti-rotation rod. The actuator shaft is rotationally mounted in the housing assembly, is adapted to receive a drive torque, and is configured, upon receipt of the drive torque, to rotate. The actuation member is mounted on the actuator shaft, and is configured to translate in response to rotation of the actuator shaft. The anti-rotation rod is coupled to the actuator housing and extends therefrom. The anti-rotation is rod configured to at least selectively engage, and thereby prevent rotation of, the actuation member. | 08-21-2014 |
20150078879 | AIRCRAFT ENGINE COWL DOOR MOVEMENT CONTROL SYSTEM AND METHOD - A system and method are provided for controlling the movement of an aircraft engine cowl door between an open position and a closed position. The system includes an electric motor, at least one actuator, and an electrically operated brake. The actuator is coupled to the motor and is operable to move the cowl door between the closed and the open position. The electrically operated brake is coupled to the electric motor and the at least one actuator and is configured, upon being energized, to supply a unidirectional resisting torque load to the electric motor that does not prevent motor rotation. | 03-19-2015 |
20150107220 | VARIABLE AREA FAN NOZZLE SYSTEMS WITH IMPROVED DRIVE COUPLINGS - A VAFN system is provided for a fan case of an engine. The system includes a motor; a gearbox; an actuator; a nozzle; and a drive coupling extending between the gearbox and the actuator and configured to transmit the mechanical torque from the motor to the actuator. The drive coupling includes an external tube extending from a first one of the gearbox or the actuator, the external tube defining first and second slots extending in a longitudinal direction, and an internal tube extending from a second one of the gearbox or the actuator and at least partially extending within the external tube, the internal tube including a pin with first and second ends respectively positioned within the first and second slots such that the internal tube is configured to translate within the external tube and to be rotatably coupled to the external tube. | 04-23-2015 |
20150300294 | ROTARY HYDRAULIC MOTOR DRIVEN HYBRID THRUST REVERSER ACTUATION SYSTEM WITH END-OF-STROKE SNUBBING - An aircraft thrust reverser actuation system includes a plurality of actuator assemblies that are each configured, upon receipt of a drive torque, to move to a position. The rotary hydraulic motor is coupled to each of the actuator assemblies and is configured, upon receipt of hydraulic fluid, to rotate and supply the drive torque to each of the actuator assemblies. The control valve is in fluid communication with the rotary hydraulic motor and is configured, upon receipt of electrical current, to move to a valve position based on the magnitude of the received electrical current, to thereby control the direction and flow of hydraulic fluid to the hydraulic motor. The valve control is configured, upon receipt of thrust reverser commands, to supply the electrical current to the control valve and selectively vary the magnitude of the electrical current based on the positions of the actuator assemblies. | 10-22-2015 |
20160047334 | THRUST REVERSER ACTUATOR WITH PRIMARY LOCK - Actuator assembly includes a housing assembly, a ball screw, a ball nut, and a lock. The ball screw is rotationally mounted on and extends from the housing assembly, is coupled to receive an actuator drive torque, and is configured, upon receipt thereof, to rotate. The ball nut is rotationally supported on the ball screw and is configured, in response to rotation of the ball screw, to translate thereon between a stowed position and a deployed position. The lock is disposed at least partially within the housing assembly and is configured to move between a lock position and an unlock position. The lock prevents the ball nut from translating out of the stowed position when the lock is in the lock position and the ball nut is in the stowed position. | 02-18-2016 |
Patent application number | Description | Published |
20080220581 | OPTO-THERMAL ANNEALING METHODS FOR FORMING METAL GATE AND FULLY SILICIDED GATE-FIELD EFFECT TRANSISTORS - An opto-thermal annealing method for forming a field effect transistor uses a reflective metal gate so that electrical properties of the metal gate and also interface between the metal gate and a gate dielectric are not compromised when opto-thermal annealing a source/drain region adjacent the metal gate. Another opto-thermal annealing method may be used for simultaneously opto-thermally annealing: (1) a silicon layer and a silicide forming metal layer to form a fully silicided gate; and (2) a source/drain region to form an annealed source/drain region. An additional opto-thermal annealing method may use a thermal insulator layer in conjunction with a thermal absorber layer to selectively opto-thermally anneal a silicon layer and a silicide forming metal layer to form a fully silicide gate. | 09-11-2008 |
20090291510 | METHOD FOR CREATING WAFER TEST PATTERN - A method for creating a testing pattern for sampling the sheet resistance of a test wafer for tuning an annealing process includes establishing a center point for the wafer and determining a plurality of sample points having a radial displacement from the center point of the wafer and an angular displacement, the radial displacement of successive sample points decreasing in radial distance from one another as the distance from the center point increases and the angular displacement between each successive sample point being constant. | 11-26-2009 |
20140021616 | SEMICONDUCTOR STRUCTURE - A semiconductor structure is provided and includes a substrate having an edge surface and a device surface with a central area, a crack stop structure disposed on the device surface and a circuit structure including components disposed on the device surface in the central area and interconnects electrically coupled to the components. The interconnects are configured to extend from the central area to the edge surface while bridging over the crack stop structure. | 01-23-2014 |
20140024146 | SEMICONDUCTOR STRUCTURE - A semiconductor structure is provided and includes a substrate having an edge surface and a device surface with a central area, a crack stop structure disposed on the device surface and a circuit structure including components disposed on the device surface in the central area and interconnects electrically coupled to the components. The interconnects are configured to extend from the central area to the edge surface while bridging over the crack stop structure. | 01-23-2014 |
20140100799 | SELECTIVE VOLTAGE BINNING LEAKAGE SCREEN - Methods and structures for leakage screening are disclosed. A method includes sorting devices manufactured from the same device design into voltage bins corresponding to a respective supply voltage. The method further includes determining a respective total power of each of the voltage bins. The method further includes determining a respective uplift power of the voltage bins. The method further includes determining a respective first leakage screen value for each of the voltage bins based on the respective uplift power of each of the voltage bins. | 04-10-2014 |
20140188265 | SYSTEMS AND METHODS FOR SEMICONDUCTOR LINE SCRIBE CENTERING - Methods and systems for semiconductor line scribe centering are provided. A method includes placing and measuring substantially identical test macros within a chip and in a scribe line. The method also includes establishing an estimate correlation between scribe line measurements taken during a manufacturing process and product measurements taken on a final product. The method also includes determining empirical scribe line specification limits consistent with established product screen limits. The method also includes adjusting the manufacturing process in order to optimize performance to the empirical scribe line specification limits. | 07-03-2014 |
20140188266 | MULTIPLE MANUFACTURING LINE QUALIFICATION - Methods and systems for multiple manufacturing line qualification are provided. A method includes establishing a product template and producing products on one or more manufacturing lines. The products include product macros placed on a chip. The method also includes establishing allowed parametric match from line to line. The method further includes determining that products from the one or more manufacturing lines meet the allowed parametric match. | 07-03-2014 |
Patent application number | Description | Published |
20120158568 | SYSTEMS AND METHODS FOR FACILITATING ELECTRONIC SECURITIES TRANSACTIONS - A method for facilitating securities transactions is shown. In one embodiment, the method provides for pricing shares of stock traded between anonymous parties without requiring pricing negotiations between parties. The method can include matching, via an electronic trading system, a first party and a second party in response to receiving contra binding orders for a security from the parties, transmitting, to each of the parties, an indication of the matching, receiving, via an electronic trading system, a first trade confirmation from the first party, determining, for the security, a midpoint of a price spread at the time the first trade confirmation was entered, receiving, via the electronic trading system, a second trade confirmation for the security from the second party, and executing, via the electronic trading system, a transaction for the security between the first and second parties, wherein the security price is determined in response to the determined midpoint. | 06-21-2012 |
20130166434 | SYSTEMS AND METHODS FOR FACILITATING ELECTRONIC SECURITIES TRANSACTIONS - Systems and methods for facilitating securities transactions are shown. In one embodiment, the method provides for receiving order information from an order management system, sending a subset of the order information to an electronic trading marketplace, receiving a quantity value from the electronic trading marketplace corresponding to a quantity of shares in a matched contra-interest, determining whether an available quantity of shares in the order information is at least the received quantity value, sending a commitment message to the electronic trading marketplace if the received quantity value is less than or equal to the available quantity of shares in the order information, and sending a deny trade message to the electronic trading marketplace if the received quantity value is greater than the available quantity of shares in the order information. | 06-27-2013 |
20140046825 | SYSTEMS AND METHODS FOR FACILITATING ELECTRONIC SECURITIES TRANSACTIONS - Systems and methods for facilitating securities transactions are shown. In one embodiment, the method provides receiving a collection of order information from one or more order management systems, such that the order information for each order includes a security name and a side, searching for matching contra order information within the collection of order information, such that each matching contra information includes a buy side order information and a sell side order information, sending at least one side of the matching contra order information to at least one user workstation, and displaying the at least one side of the matching contra order information to a user. | 02-13-2014 |