Patent application number | Description | Published |
20130014901 | CURE TOOL WITH INTEGRATED EDGE BREATHER AND METHOD OF MAKING THE SAME - A tool for curing a composite layup comprises a tool body having a surface adapted to support a composite layup thereon. The tool includes an integrated breather for allowing removal of air from the layup during curing. | 01-17-2013 |
20130019036 | Expanded Electronic Bus Communication Capacity - In an embodiment, an apparatus comprises a bus network having a set of lines, and a number of communication system devices associated with a number of electronics equipment connected to the bus in which each communication system device configures the electronics equipment to send and receive a plurality of signals on a line of the set of lines in a noise region of the set of lines. | 01-17-2013 |
20130020009 | ONE-PIECE INNER SHELL FOR FULL BARREL COMPOSITE FUSELAGE - A mandrel for manufacturing a unitary seamless section of an aircraft fuselage comprises a thin lay-up mandrel element disposed onto the outer shell surface of an inner mandrel shell, forming a mandrel with a substantially continuous lay-up surface. A unitary pre-cured section of an aircraft fuselage is formed by laying up a plurality of resin impregnated skin fibers onto the mandrel's lay-up surface while the mandrel rotates. | 01-24-2013 |
20130022702 | Collapsable Mandrel and Method for Producing Composite Laminates Using The Same - A collapsible bladder has flexible outer walls and at least one strut inside the enclosure. The strut is connected to the outer walls and controls the shape into which the enclosure may be collapsed. | 01-24-2013 |
20130029139 | Durable Transparent Coatings for Aircraft Passenger Windows - A duplex coating scheme and associated method of formation, which includes a siloxane based soft coating and a plasma based SiOxCy hard coating used in combination to improve the durability of acrylic substrates used in aircraft window applications. | 01-31-2013 |
20130032292 | Method and Apparatus for Low-Bulk Toughened Fabrics for Low-Pressure Molding Processes - A method and apparatus for manufacturing. A fiber layer and a first porous bonding layer are formed to form a unidirectional lay-up of fibers. The unidirectional lay-up of fibers is heated under pressure to form a unidirectional composite tape. A first plurality of lengths of the unidirectional composite tape is laid down to build a first layer from the unidirectional composite tape. A second plurality of lengths of the unidirectional composite tape is laid down to build a second layer from the unidirectional composite tape on the first layer at a predetermined angle from the first layer. At least one of the first and second plurality of lengths of the unidirectional composite tape are slit while laying down the first and second plurality of lengths of the unidirectional composite tape. A composite fabric is formed from the first and second layer. | 02-07-2013 |
20130037217 | COMPOSITE SECTIONS FOR AIRCRAFT FUSELAGES AND OTHER STRUCTURES, AND METHODS AND SYSTEMS FOR MANUFACTURING SUCH SECTIONS - Composite sections for aircraft fuselages and other structures, and methods and systems for manufacturing such sections, are disclosed herein. A method for manufacturing a shell structure in accordance with one embodiment of the invention includes applying composite material to an interior mold surface of a tool to form a skin extending 360 degrees around an axis. The method can further include positioning a plurality of stiffeners on an inner surface of the skin. After the stiffeners have been positioned, a vacuum bag can be installed over the stiffeners and evacuated to press the stiffeners and the skin outwardly against the interior mold surface of the tool. Next, the skin/stiffener combination can be cocured to bond the stiffeners to the skin and harden the shell structure. | 02-14-2013 |
20130038473 | Securing Emergency and Safety Equipment on Aircraft - An emergency equipment system comprising an elongate member, an emergency equipment package, and a cutter. The elongate member may have a first end and an angled end. The emergency equipment package may have a sleeve on one side capable of receiving the elongate member from the angled end. The cutter may be attached to a side of the elongate member and may be capable of cutting the sleeve. | 02-14-2013 |
20130040008 | Composite Sections for Aircraft Fuselages and Other Structures, and Methods and Systems for Manufacturing Such Sections - Composite sections for aircraft fuselages and other structures, and methods and systems for manufacturing such sections, are disclosed herein. A method for manufacturing a shell structure in accordance with one embodiment of the invention includes applying composite material to an interior mold surface of a tool to form a skin extending 360 degrees around an axis. The method can further include positioning a plurality of stiffeners on an inner surface of the skin. After the stiffeners have been positioned, a vacuum bag can be installed over the stiffeners and evacuated to press the stiffeners and the skin outwardly against the interior mold surface of the tool. Next, the skin/stiffener combination can be cocured to bond the stiffeners to the skin and harden the shell structure. | 02-14-2013 |
20130042978 | Compaction of Prepreg Plies on Composite Laminate Structures - A flexible compaction sheet is used to compact uncured composite plies onto the surface of a ply layup. The compaction sheet includes a peripheral seal that seals the perimeter of the sheet to the surface of the part layup and forms a vacuum chamber over the plies which is evacuated through the sheet to apply compaction pressure to the plies. | 02-21-2013 |
20130047810 | MECHANISM AND METHOD FOR PREDETERMINED ANGULAR CUTTING OF A PLURALITY OF PLY STRIPS - Apparatus for cutting plural aligned ply strips includes plural knife blades disposed in a spaced manner such that each knife blade is aligned with and in closely spaced relation to an associated ply strip. The knife blades are pivotally mounted in a common housing and are coupled to a single rotational drive for allowing each knife blade to assume the same predetermined cutting angle relative to its associated ply strip, where the cutting angle may be varied between ±45°. The plural knife blades are coupled to a rotational drive by means of plural circular drive gears and are connected to a linear drive for displacing the knife blades into contact with the ply strips for cutting the strips at the predetermined angle. The severed edges of the aligned ply strips are formed in mutual linear alignment and do not include projecting triangular patterns, or crenelations. | 02-28-2013 |
20130048786 | Reinforcement of Friction Plug Welds - A hole in a metal workpiece is filled by friction plug welding. The weld between the workpiece and the plug is reinforced by a weld land in the workpiece that surrounds one end of the plug. The weld land is formed by extruding a portion of the plug into a cavity in an anvil used in the welding process. | 02-28-2013 |
20130071612 | Method for Forming Bends in Composite Panels and Composite Panels Made Thereby - A composite panel with a bend therein is formed by first and second adjacent panel sections having a common facesheet forming an outer radius of the bend, and a substantially void-free joint between the adjacent panel sections. | 03-21-2013 |
20130081245 | VEHICLE BASE STATION - A vehicle base station comprises a platform on which a vehicle may be positioned, a first battery bay located on a first side of the platform, a battery replacement assembly to remove a battery from the vehicle and to replace the battery with a new battery, and a power source adapted to provide power to the vehicle while the vehicle is positioned on the platform. | 04-04-2013 |
20130082445 | TUBE COUPLING APPARATUS HAVING LIQUEFIABLE METAL SEALING LAYER - A method for forming a fluid tight seal is disclosed. The method may make use of a first component having a first sealing surface, and a second component having a second sealing surface. The method may further involve coating one of the first and second sealing surfaces with a metallic film layer adapted to transform into a liquefied metallic layer when a temperature of one of the first and second surfaces exceeds a melting temperature of a metal used to form the metallic film layer. Once it becomes liquefied, the liquefied metallic layer forms a pressure-tight seal between the sealing surfaces. | 04-04-2013 |
20130084032 | Bearing Housing for an Engine with Stress and Stiffness Control - An apparatus comprises a bearing section capable of receiving bearings, a base, and a plurality of members. The bearing section and the base have a cylindrical shape and are substantially aligned centrally along an axis. The plurality of members extend between the bearing section and the base and have a length and a width. Each of the plurality of members has a side that is substantially non-perpendicular with respect to the bearing section and the base. | 04-04-2013 |
20130084434 | CURVED COMPOSITE FRAMES AND METHOD OF MAKING THE SAME - A curved composite aircraft frame comprises a multi-ply composite laminate having a generally Z-shaped cross section. At least certain of the laminate plies include unidirectional reinforcing fibers that are substantially tangent at substantially all points along the curvature of the frame. | 04-04-2013 |
20130097847 | SELF EXPANDING FASTENER - A method to join a first structure to a second structure comprises aligning a first hole in the first structure with a second hole in the second structure and inserting a fastener into the first hole and the second hole. The fastener comprises a shape memory alloy which was formed into a first shape having a diameter slightly larger than a diameter of the first hole and the second hole when the shape memory alloy was in an austenite state and reduced to a second shape having a diameter less than the diameter of the first hole and the second hole when the shape memory alloy was in a martensite state. The method further comprises heating the fastener above an austenite start transition temperature. | 04-25-2013 |
20130098583 | HEAT PIPE DISSIPATING SYSTEM AND METHOD - In one embodiment of the disclosure, a heat pipe device for dissipating heat from a heat source includes a porous wick structure having a first porous wick portion disposed adjacent to a second porous wick portion. The first porous wick portion is defined by a first set of microgrooves. The second porous wick portion is defined by a second set of microgrooves disposed in non-parallel adjacent alignment to the first set of microgrooves. The heat pipe device may be disposed within a closed chamber enclosure to which the heat source is attached. In further embodiments, methods are disclosed for manufacturing devices for dissipating heat from a heat source, and for using devices to dissipate heat from a heat source. | 04-25-2013 |
20130099060 | Hinged Raked Wing Tip - A wing assembly comprises a raked wing tip having an outboard portion hinged to one of a main wing having at least one moveable control surface and an inboard raked wing tip portion. The outboard portion of the raked wing tip does not carry any moveable flight control surfaces. | 04-25-2013 |
20130101742 | WATER-ENTRAINED-POLYIMIDE CHEMICAL COMPOSITIONS FOR USE IN HIGH-PERFORMANCE COMPOSITE FABRICATION - Water-entrained compositions comprising colloidal or suspensoidal solutions comprising polyimide pre-polymers/oligomers are described. These compositions are obtained in water by initial dispersion of the resin constituents in water to from colloids or suspensoids. The water-entrained polyimide compositions can be applied to numerous surfaces or more beneficially used for composite fabrication. The coated surfaces or polyimide-pre-polymer impregnated reinforcing materials are subsequently cured and are ideal for providing thermal protection. | 04-25-2013 |
20130118000 | MODULAR VEHICLE AND ASSOCIATED METHOD OF CONSTRUCTION - A method of constructing a modular vehicle is provided. A modular vehicle includes a chassis and a plurality of docking fixtures carried by the chassis. The docking fixtures may include an electrical power connection, a fluid connection and a data communication connection. The modular vehicle may also include a plurality of modules removably connected to respective ones of the docking fixtures. The plurality of modules may include at least an energy supply module, such as a fuel cell, an energy storage module and a cooling module. At least one module may include an electrical power connection coupled to the electrical power connection of a docking fixture, at least one module may include a fluid connection coupled to the fluid connection of a docking fixture and at least one module may include a data communication connection coupled to the data communication connection of a docking fixture. | 05-16-2013 |
20130118683 | Composite Lamination Using Array Of Parallel Material Dispensing Heads - Aspects of the present disclosure include various exemplary methods relating to composite lamination using one or more arrays of parallel material dispensing heads. In one example, a method of fabricating a high aspect ratio composite article is disclosed which may involve applying a first strip material to a work surface datum at a first angle with a first material dispenser, and applying a plurality of second strip materials to a work surface datum each at a second angle with a plurality of rotatable parallel material dispensers. The method may also involve advancing the first material dispenser and the rotatable parallel material dispensers as a unit the width of the second strip material and continuing application of the first strip material by the first material dispenser and a plurality of second strip materials by the rotatable parallel material dispensers until a desired length is reached. | 05-16-2013 |
20130120216 | Broadband Multi-Tap Antenna - An antenna system comprises a plurality of conductors, a combiner, and a plurality of loads. The combiner has an output port. The plurality of loads connects the plurality of conductors to each other in line. The plurality of loads has an impedance equal to a desired impedance for the output port. The combiner combines power received by the plurality of loads at the output port of the combiner. | 05-16-2013 |
20130122236 | Composite Structures Having Composite-To-Metal Joints and Method for Making the Same - A composite structure comprises stacked sets of laminated fiber reinforced resin plies and metal sheets. Edges of the resin plies and metal sheets are interleaved to form a composite-to-metal joint connecting the resin plies with the metal sheets. | 05-16-2013 |
20130122764 | Apparatus for Resin Transfer Molding Composite Parts - A composite fabrication apparatus which may include a first tooling die and a second tooling die movable with respect to each other; a temperature control system having induction coils disposed in thermal contact with the first tooling die and the second tooling die; a first die susceptor provided on the first tooling die and a second die susceptor provided on the second tooling die and connected to the induction coils; and a cooling system disposed in thermal contact with the first tooling die and the second tooling die. A resin transfer system delivers resin from a resin source to the tooling dies to allow resin transfer molding. A composite fabrication method is also disclosed. | 05-16-2013 |
20130126076 | Method for Fabricating Thermoplastic Composite Parts - A fabrication method of forming thermoplastic composite laminate parts with tailored and varying thickness in a continuous process. Automated equipment or hand lay-up are used to collate parts or components into a multi-layer stack. Each stack contains all plies, including ply build-up areas, tacked in the proper location to maintain orientation and location. Ply consolidation tooling contains all necessary part features and is coordinated to the customized multiple ply stacks to form a single integrated thermoplastic composite laminate potentially having areas of differing thickness from the multiple ply stacks. | 05-23-2013 |
20130129185 | METHOD FOR DETECTING OPTICAL DEFECTS IN TRANSPARENCIES - A method of detecting optical defects in a transparency may comprise the steps of providing a digital image of the transparency having a plurality of image pixels and detecting at least one candidate defect. The candidate defect may be detected by determining a grayscale intensity of each one of the image pixels and calculating an intensity gradient across adjacent pairs of the image pixels. Each image pixel may be assigned a gradient value comprising a maximum of the absolute value of the intensity gradients associated with the image pixel. A gradient image may be constructed comprising the gradient values assigned to corresponding ones of the image pixels. Image pixels may be identified as candidate pixels if such image pixels have a gradient value exceeding a gradient threshold. The candidate pixels may comprise the optical defect. | 05-23-2013 |
20130129970 | Sandwich Structure Having Arrestment Feature - A composite sandwich structure comprises a core sandwiched between composite laminate facesheets. The core includes a plurality of core sections spliced together at joints that incorporate integral features for arresting the propagation of irregularities in the facesheets. | 05-23-2013 |
20130133202 | Fire Resistance For Optically Transparent Thermoplastics - A fire retardant, transparent panel and method of making the panel, that is especially well suited for use on mobile platforms, and particularly on aircrafts. The panel is a composite of a transparent matrix and a plurality of fire-retardant nanoparticles. The nanoparticles have a diameter less than the visible spectrum of light, and in one form between about 0.1 nm to about 400 nm in diameter. The nanoparticles may be arranged randomly or in predetermined patterns within the matrix during manufacturing of the panel. The panel is lightweight, transparent and yet highly fire retardant. | 05-30-2013 |
20130137365 | Content Delivery Coordinator Apparatus and Method - Apparatus and method for managing and coordinating the delivery of information content in a manner that makes efficient use of the bandwidth of satellite based transponders being used to relay the information content to the mobile platforms. The apparatus makes use of a content management coordinator system having a graphical user interface (GUI). The GUI interfaces with one or more mobile platform operators to allow each of the operators to define the criteria by which various types of information content to be supplied to the mobile platforms. The apparatus further includes a file spaced storage monitoring subsystem which allows the file storage space available on each mobile platform to be monitored, and files deleted therefrom if necessary, to ensure that newly requested information content can be stored by the mobile platform. Information content is coordinated and aggregated as needed to ensure that transponder bandwidth is used most effectively for delivering various types of information content to each mobile platform requesting the content within each coverage region being controlled by the apparatus. | 05-30-2013 |
20130144795 | Hybrid Interactive Electronic Technical Manual - A method, apparatus, and computer program product of developing a hybrid interactive electronic technical manual. A set of sub-elements associated with core maintenance tasks is selected from a plurality of sub-elements in technical data for a device to form a set of core sub-elements. A cost-benefit analysis is performed on each sub-element in the set of remaining sub-elements to identify a sub-element benefit rating for the each sub-element. Sub-elements in the set of remaining sub-elements having a sub-element rating greater than or equal to a threshold benefit rating are selected to form a set of high benefit sub-elements. The set of core sub-elements and the set of high benefit sub-elements are converted from the non-interactive native file format to an interactive electronic technical manual database format. A set of links to the set of unconverted sub-elements is generated to form the hybrid interactive electronic technical manual. | 06-06-2013 |
20130153145 | SYSTEMS AND METHODS FOR REDUCING NOISE IN AIRCRAFT FUSELAGES AND OTHER STRUCTURES - Systems and methods for reducing noise in aircraft fuselages and other structures are described herein. A noise reduction system configured in accordance with one embodiment of the invention includes an auxetic core, a damping layer, and a constraining layer. In this embodiment, the auxetic core is supported by a structural member, and the damping layer is sandwiched between the auxetic core and the constraining layer. A method for manufacturing a structural assembly in accordance with another embodiment of the invention includes forming a stiffener by positioning a first ply of composite material against a first tool surface, positioning damping material against the first ply, and positioning a second ply of composite material against the damping material to sandwich the damping material between the first and second plies. The method can further include forming a skin by positioning a third ply of composite material against a second tool surface offset from the first tool surface, and attaching the stiffener to the skin by co-curing the first, second and third plies of composite material. | 06-20-2013 |
20130155299 | FREQUENCY SELECTIVE IMAGING SYSTEM - An apparatus, system, and method are disclosed for a frequency selective imager. In particular, the frequency selective imager includes an array of pixels arranged in a focal plane array. Each pixel includes at least one nanoparticle-sized diameter thermoelectric junction that is formed between nanowires of different compositions. When a nanoparticle-sized diameter thermoelectric junction senses a photon, the nanoparticle-sized diameter thermoelectric junction emits an electrical pulse voltage that is proportional to an energy level of the sensed photon. In one or more embodiments, the frequency selective imager is a frequency selective optical imager that is used to sense photons having optical frequencies. In at least one embodiment, at least one of the nanowires in the frequency selective imager is manufactured from a compound material including Bismuth (Bi) and Tellurium (Te). | 06-20-2013 |
20130157052 | CONTINUOUS, HOLLOW POLYMER PRECURSORS AND CARBON FIBERS PRODUCED THEREFROM - The present invention relates to a continuous, multicellular, hollow carbon fiber wherein the fiber structure includes a substantially hollow fiber and multiple internal walls defining multiple integral internal hollow fibers such that the fiber structure comprises a honeycomb-like cross section. | 06-20-2013 |
20130167022 | LARGE COLUMNAR TEXT FILE EDITOR - The different advantageous embodiments provide a method for loading and editing text files. A text file is identified as input. A determination is made as to whether the text file is a columnar text file. If the text file is columnar, data information is retrieved for the text file. Pre-defined cache settings are identified. A determination is made as to whether the data information retrieved fits within the pre-defined cache settings. If the data information retrieved fits within the pre-defined cache settings, a determination is made as to whether the first row of the text file is a header row in a view. If the first row of the text file is not a header row, the text file is normalized. A view mode is selected for load and edit operations of the text file. | 06-27-2013 |
20130168022 | METHOD AND APPARATUS FOR ADHESIVE BOND CURING - Portable apparatus for curing a part includes a wheeled frame having sliding part supports that move the part from a loading position to a curing position. A part clamping assembly is slidably mounted on the frame to apply clamping pressure to the part when the part is in the curing position in order to compact the part during a cure cycle. The clamping assembly includes a set of electrically heated shoes that heat the part to a cure temperature. A fan is provided to accelerate cool down the part after curing is complete. The heating and cooling operations are automatically performed by a programmed controller. | 07-04-2013 |
20130169514 | METHOD AND APPARATUS FOR A VIRTUAL MISSION CONTROL STATION - A system, method and apparatus for configuring a dense pack of virtual mission control stations within a confined area. Information for a mission is received at a control station. The virtual mission control station includes a display system, a motion capture system, a number of input devices, a dense pack seat associated with the number of input devices, and a processor unit. The display system is configured to be worn on the head of an operator and to present a virtual display to the operator. The motion capture system is configured to track movement of the head. The processor unit is configured to execute program code to generate the display and adjust the display presented to the operator in response to detecting movement of the head of the operator. A mission is performed using the information and the virtual mission control station. | 07-04-2013 |
20130174397 | GUIDE ASSEMBLY - A guide assembly comprises a frame assembly, a plurality of clamping assemblies, and a head assembly. The clamping assemblies may be mountable to the frame assembly for attaching the frame assembly to a structure. The head assembly may be mountable to the frame assembly and may include a tool coupled to the head assembly. The tool assembly may be axially movable relative to the head assembly to cause the tool to exert a down force on the structure when the frame assembly is attached thereto. | 07-11-2013 |
20130174708 | CUTTING ANVIL AND METHOD - A cutting system includes a cutting assembly and an anvil. The cutting assembly includes an ultrasonic cutting tool having a stylus with a tip and an actuator to move the tip along a path. The path is oriented in a transverse manner relative to movement of a backed ply material. The anvil includes a rigid base for securing the anvil to the cutting assembly and a surface coinciding with the path. The system is configured to drive the tip into the surface and draw the tip along the path to generate a groove disposed upon the surface. The groove being in cooperative alignment with the tip. | 07-11-2013 |
20130186040 | Composite Tube Having Co-Bonded End Fittings - A structural member such as a strut includes a composite material tube having metal end fittings that are attached to the tube by co-bonded, double shear joints. The double shear bond joint construction reduces the residual stress on the bonds that result from mismatch of the coefficients of thermal expansion of the composite tube and the metal end fittings. The ends of the fittings that are bonded to the tube may include a stepped profile that functions to limit the peak stresses in the bonds. | 07-25-2013 |
20130186937 | Apparatus for Friction Stir Welding Using Spindle-in-Spindle - A spindle head for performing friction stir welding includes concentric spindle shafts driven by stacked, coaxial motors contained within a spindle housing. The coaxial arrangement of the motors results in a more compact package. Each of the motors is concentrically arranged around one of the spindles by directly connecting a rotor of the motor to a spindle shaft. The stators of the motors are mounted on the housing and are concentrically arranged around the concentric spindle shafts. | 07-25-2013 |
20130192805 | Twist Vane Counter-Parallel Flow Heat Exchanger Apparatus And Method - A method for forming a manifold for use with a heat exchanger is disclosed. The method may involve forming a plurality of vanes. Opposing surfaces of each of the vanes may define a pair of adjacent flow channels for receiving portions of first and second fluids to be flowed through the flow channels. Each of the flow channels may have a changing aspect ratio along its length. | 08-01-2013 |
20130193270 | STRUCTURALLY DESIGNED AERODYNAMIC RIBLETS - An array of aerodynamic riblets is formed with a surface layer for adhering to an aerodynamic surface and a plurality of riblet tips having a parabolic cross section extending from the surface layer. | 08-01-2013 |
20130197723 | INTEGRATED APPROACH NAVIGATION SYSTEM, METHOD, AND COMPUTER PROGRAM PRODUCT - Systems, computer program products, and methods for displaying navigation performance based flight path deviation information during the final approach segment to a runway and during landing of non-precision flight modes are provided. Improved graphical depictions of navigation performance based flight path deviation information provide pilots and flight crew members with clear, concise displays of the dynamic relationship between ANP and RNP, mode and aspect of flight and related procedures, intersecting flight paths, and current actual flight path deviation from a predefined flight path during the final approach segment to a runway and during landing. For example, an enhanced IAN display may include NPS-type deviation scales to show RNP/ANP relationships and predetermined RNP markers to alert the pilots and flight crew members that the FMC has transitioned from an NPS display for RNAV (LNAV/VNAV) flight procedures to an enhanced IAN display for a non-precision (non-xLS) approach and/or landing. | 08-01-2013 |
20130197860 | Acquisition Channel Geolocation - A method and system are disclosed for providing an estimate of a location of a user receiver device. The method involves emitting, from at least one vehicle, at least one spot beam on Earth; and receiving, with the user receiver device, at least one spot beam. The method further involves calculating, with the user receiver device, the estimate of the location of the user receiver device according to the user receiver device's location within at least one spot beam. Each spot beam contains at least one acquisition signal, which may comprise at least one ring channel. Each ring channel comprises a frame count; a space vehicle identification (SVID); a spot beam identification (ID); and/or X, Y, Z coordinates of the vehicle emitting the spot beam relative to an Earth coordinate system. In one or more embodiments, at least one vehicle may be a satellite and/or a pseudolite. | 08-01-2013 |
20130203511 | METHODS, SYSTEMS, AND FORMATS FOR DATA, SUCH AS DATA USED IN LASER PROJECTION OF FASTENERS USED IN MANUFACTURING - A system and method provides data for a laser projection process used in manufacturing involving fasteners. For example, the laser projection process may include projecting a laser image associated with fasteners used to assemble objects. Fastener attribute data may be extracted from an engineer's design data and processed to generate a laser projection output file. This output file may include geometric data used to project a laser image associated with the fasteners. For example, this image may be an outline indicating the location, shape, and orientation of a fastener. The output file may also include non-geometric data associated with attributes of the objects to be assembled. Both the geometric and the non-geometric data can then be displayed in a user interface, such as a display screen of a laser projector control device, in addition to the display of the laser image in three-dimensional space. | 08-08-2013 |
20130289766 | Apparatus for Automated Maintenance of Aircraft Structural Elements - Automated apparatus for performing maintenance functions on airfoil-shaped bodies having short chord lengths, the apparatus being movable in a spanwise direction along the airfoil-shaped body. In accordance with various embodiments, the apparatus comprises a blade crawler capable of supporting any one of a plurality of end effectors for performing a set of maintenance functions on an airfoil-shaped body, such as a blade component. Included in these functions are multiple options for nondestructive inspection, drilling, grinding, fastening, appliqué application, scarfing, ply mapping, depainting, cleaning, and painting devices that are attached as the end effector for the blade crawler. As a whole, the blade crawler reduces maintenance time, labor hours and human errors when robotic maintenance functions are performed on blade components. | 10-31-2013 |
20140204439 | Fiber Stabilization of Optical Path Differences (OPD) Over a Wide Bandwidth Frequency Range for Extended Periods of Time - The disclosed method for fiber stabilization of optical path differences involves splitting a laser produced optical beam into a first and second optical beam. Further, the method involves circulating the first optical beam to an adjustable optical telescope, and circulating the second optical beam to a reference optical telescope. Also, the method involves splitting the first circulated beam into the first optical beam and the adjustable optical telescope beam, and splitting the second circulated beam into the second optical beam and the reference optical telescope beam. Additionally, the method involves inputting, into an interferometer, the first and second optical beams; and outputting, from the interferometer, a sinusoidal signal. Also, the method comprises filtering the sinusoidal signal to form a high frequency and low frequency signal. Further, the method involves controlling a translation stage by using the low frequency signal, and controlling a fiber stretcher by using the high frequency signal. | 07-24-2014 |
20140245584 | Frictional Coupling - A coupling between a first surface and a second surface is disclosed. The first surface includes a first shape and has a surface roughness average that is less than or equal to about 500 microinches (13 microns). The second surface includes a second shape and projections, in a preselected pattern, forming at least a portion of the second surface. The first shape of the first surface and the second shape of the second surface are substantially complementary. The projections are configured to produce a friction fit between the first surface and the second surface when the first and the second surfaces are biased against each other. An average elastic compressive range, substantially equal to the surface roughness average of the first surface, is associated with the projections. | 09-04-2014 |