Patent application number | Description | Published |
20090173900 | Self-Regulating Valve for Controlling the Gas Flow in High Pressure Systems - A controlled pressure release valve controls the gas flow in high-pressure systems. The valve includes a valve body, a slidable spool, a primary flow passage, a first and second chamber, a first and second spring, a first and second passages, and a valve actuator. The valve body has a gas inlet and a gas outlet and houses the slidable spool. The slidable spool has a first end and a second end, and is slidable between a first position and a second position. The primary flow passage connects the gas inlet and the gas outlet and increases with lineal movement of the slidable spool. The first chamber is located adjacent the first end of the slidable spool and a second chamber is located adjacent the second end of the slidable spool. The sliding spool is biased toward the first position by a gas pressure applied by the second chamber and the second spring. | 07-09-2009 |
20090260345 | FAN VARIABLE AREA NOZZLE WITH ADAPTIVE STRUCTURE - A fan variable area nozzle (FVAN) includes a flexible adaptive segment which defines the fan nozzle exit area. The flexible adaptive segment generally includes a multiple of flexible sections, a linkage and an actuator system to morph the flexible adaptive segment between a converged shape and a diverged shape. The flexible adaptive segments seal an interface between sectors to provide an asymmetrical fan nozzle exit area. | 10-22-2009 |
20100000220 | FAN VARIABLE AREA NOZZLE WITH ELECTROMECHANICAL ACTUATOR - A fan variable area nozzle (FVAN) ( | 01-07-2010 |
20100005778 | FAN VARIABLE AREA NOZZLE WITH CABLE ACTUATOR SYSTEM - A fan variable area nozzle (FVAN) includes a flap driven through a cable which circumscribes the fan nacelle. The cable is strung through a multiple of flaps to define a flap set of each circumferential sector of the EVAN. An actuator system includes a compact high power density electromechanical actuator which rotates a spool to deploy and retract the cable and effectively increase or decrease the length thereof between the spool and a fixed attachment to increase and decrease the fan nozzle exit area. | 01-14-2010 |
Patent application number | Description | Published |
20080308684 | NACELLE WITH ARTICULATING LEADING EDGE SLATES - A nacelle includes leading edge slates movable to modify inlet shape and area airflow into the nacelle. The articulating leading edge slats are movable for tailoring incoming airflow to current aircraft operating conditions. An actuator disposed within a thickness of the nacelle drives leading edge slates to a desired position to vary the inlet area and shape. | 12-18-2008 |
20090003997 | VARIABLE SHAPE INLET SECTION FOR A NACELLE ASSEMBLY OF A GAS TURBINE ENGINE - A nacelle assembly includes an inlet section having a plurality of discrete sections. Each of the plurality of discrete sections includes an adaptive structure. A thickness of each of the plurality of discrete sections is selectively adjustable between a first position and a second position to influence the adaptive structure of each of the plurality of discrete sections. | 01-01-2009 |
20090123274 | SPLIT GEARBOX AND NACELLE ARRANGEMENT - A gas turbine engine is disclosed that includes at least first and second gearboxes rotationally coupled to at least one spool. Accessory drive components are mounted on and driven by the gearboxes. The accessory drive components include, for example, a fuel pump, a hydraulic pump, a generator, a lubrication pump, or a starter. The accessory drive components are split between the two gearboxes to reduce the diameter of the nacelle adjacent to each gearbox. | 05-14-2009 |
20090146331 | DEFORMABLE MOLDS AND METHODS FOR THEIR USE IN THE MANUFACTURE OF OPHTHALMIC LENSES - The present provides deformable molds and methods for manufacturing ophthalmic lenses using deformable molds. The molds of the invention may be used in the custom manufacture of ophthalmic lenses. | 06-11-2009 |
20100161244 | METHOD AND APPARATUS FOR MONITORING STRUCTURAL HEALTH - A method includes performing a first damage prediction with a computational model using at least data from a first multitude of damage sensors on a structure, performing a second damage prediction with the computational model using at least data from a second multitude of load sensors associated with the structure, and selectively performing a damage monitoring action in response to the first damage prediction and the second damage prediction to determine a structural health A system includes a computing device configured to perform a first damage prediction using at least data from a multitude of damage sensors on a structure, a second damage predication using at least data from a multitude of load sensors associated with the structure, so as to selectively perform a damage monitoring action in response to the first damage prediction and the second damage prediction to determine a structural health of the structure. | 06-24-2010 |
20100262300 | ACTIVE VIBRATION SUPPRESSION VIA POWER MINIMIZATION - A vibration suppressor system includes a control system operable to control power from a power system to an actuator system in response to a minimal actuation power algorithm. The minimal actuation power algorithm employs a real electric power consumption of the actuator system as a single control objective function to suppress a vibration of the structure. | 10-14-2010 |
20110209507 | SEMI-ACTIVE ELECTRORHEOLOGICAL FLUID CLUTCH FOR ELECTRONIC DOOR LOCK - A clutch for an electronic door lock includes a first shaft, a second shaft, a spring, a rheological fluid, and a plunger. The second shaft has an aperture therein and is axially co-aligned with the first shaft and is rotatably mounted adjacent the rotatable first shaft. The spring is disposed in the aperture in the second shaft. The rheological fluid is held within the aperture and is capable of changing viscosities in response to the application of an electrical current across the fluid. The plunger is biased by the spring into selective coupling engagement with the first shaft and is capable of selective motion into the aperture in response to contact by a camming surface of the first shaft due to relative rotation of the first shaft with respect to the second shaft. | 09-01-2011 |
20110210564 | BI-STABLE ACTUATOR FOR ELECTRONIC LOCK - An actuator for an electronic door lock includes a stationary first magnet assembly, a beam, and a second magnet assembly. The first magnet includes at least one magnet stationarily positioned within the electronic door lock. The beam is movable relative to the first magnet assembly to a first position and a second position. The second magnet assembly is connected to the beam and is configured to be magnetically repulsed away from the first magnet assembly. The repulsion of the second magnet assembly maintains the beam in either the first or second position until the beam is selectively actuated therefrom. | 09-01-2011 |
20110260081 | DISCHARGE FLOW CONTROL VALVE - A self-regulating valve controls the flow of high pressure gas discharging from a gas cylinder in a fire suppression system in response to a detection of a fire within a protected space by a two-step process which reduces the pressure rise within the protected space upon release of the fire suppression gas into the protected space. | 10-27-2011 |
20110291428 | LOW ENERGY CLUTCH FOR ELECTRONIC DOOR LOCK - A clutch for an electronic door lock includes a primary mover, a pivotal pawl, a first shaft, and a second shaft. The second shaft is axially co-aligned with the first shaft and is rotatably mounted adjacent the rotatable first shaft. The primary mover is selectively actuatable to engage the pawl such that rotation of the first shaft relative to the second shaft by a user pivots the pawl into coupling engagement between the first shaft and the second shaft. | 12-01-2011 |
20130320782 | ELECTROMECHANICAL ROTARY ACTUATOR AND METHOD - An electromechanical rotary actuator including a housing including first end that extends to a second end through an intermediate portion that defines a longitudinal axis, and an internal cavity. An electric motor is arranged within the internal cavity. The electric motor includes a shaft having first shaft end and a second shaft end. A drive member is arranged within the housing along the longitudinal axis. The drive member includes an input shaft operatively coupled to the first shaft end and an output shaft. An output shaft member is coupled to the output shaft of the drive member. At least one bearing assembly supports one of the output shaft member and the first shaft end, and a preload member is arranged within the housing and configured to apply a compressive axial force to the at least one bearing, the drive member and the electric motor. | 12-05-2013 |
20140305097 | FAN VARIABLE AREA NOZZLE WITH CABLE ACTUATOR SYSTEM - An assembly for pivoting a flap according to an exemplary aspect of the present disclosure includes, among other things, a structure is mounted at least partially around an axis. The structure is attached to a pivotable flap arranged to define a nozzle area. A cable passes through an orifice defined by the flap. An actuator system is operable to mechanically retract the cable therein to lessen the nozzle area and mechanically extend the cable to enable the flow to increase the nozzle area. The actuator system is engaged with the cable. A segment of the cable, opposite the actuator system, is attached to a fixed structure. A method of providing a variable fan exit area is also disclosed. | 10-16-2014 |
20150078136 | Conformable Transducer With Self Position Sensing - Embodiments are directed to a diaphragm-based flexible array comprising a plurality of piezoelectric elements, wherein the array is configured to conform to a surface of a structure under evaluation and emit acoustic waves in two directions in sequence, a source configured to apply a voltage pulse to each element of the array, and a sensor configured to receive an acoustic pulse from each element of the array in response to application of the voltage pulse to each element of the array. | 03-19-2015 |
20150088435 | GEAR FAULT DETECTION - Embodiments are directed to obtaining an impact energy signal associated with each of a plurality of teeth of a gear over a revolution of a shaft associated with the gear, generating, by a computing device comprising a processor, a profile of the impact energy signal, and declaring a fault associated with an identified tooth included in the plurality of teeth based on an analysis of the profile. | 03-26-2015 |
Patent application number | Description | Published |
20110260581 | Flexible Phased Array Sensor - A sensor includes a film, at least one piezoelectric strip disposed on the film, a first conductive line disposed on the film, the first conductive line electrically connected to a first portion of the at least one piezoelectric strip, a second conductive line disposed on the film, the second conductive line electrically connected to a second portion of the at least one piezoelectric strip, and a dampening member disposed on the at least one piezoelectric strip. | 10-27-2011 |
20120328436 | ELECTROMECHANICAL ACTUATOR DRIVEN GOVERNOR FOR RAM AIR TURBINE - A ram air turbine governor includes a hub carrying multiple turbine blades. A sensor is configured to detect a parameter. A counterweight is coupled to at least one turbine blade and is configured to provide an input to the turbine blade in response to a centrifugal force to move the turbine blade from a first pitch position to a second pitch position. An electromechanical actuator is operatively coupled to the counterweight. A controller is in communication with the mechanical actuator and the sensor. The controller is configured to command the electromechanical actuator and move the turbine blade from the second pitch position to a third pitch position in response to the detected parameter. | 12-27-2012 |
20140318057 | STRUCTURE REPAIR WITH POLYMER MATRIX COMPOSITES - An assembly is provided including a structural component having a flange-like member. A partially cured polymer matrix composite patch is wrapped around a perimeter of the flange-like member. The patch includes a plurality of layers, each layer having a plurality of fibers arranged therein. The layers of the polymer matrix composite patch are cured after being wrapped around the flange-like member of the structural component. | 10-30-2014 |
20150086083 | STRUCTURAL HOT SPOT AND CRITICAL LOCATION MONITORING SYSTEM AND METHOD - A method for detecting a crack in a structural component includes receiving, with a processor, signals indicative of at least one image for a critical location in the structural component; determining, with the processor, at least one shape in the at least one image, the at least one shape being representative of a structure of the critical location; representing, with the processor, at least one region around the structure into a matrix; and applying, with the processor, image processing on the matrix to detect cracks in the at least one region of the structural component. | 03-26-2015 |