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Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7827687 | Method of modifying an upper gearset of a marine stern drive A support for the upper drive shaft of a marine stern drive unit. The support has an axial body installable in the axial bore of the upper case. Retainers on the body are engageable with the upper case to secure the support in place. One or both retainers are axiall... | 11/09/2010 |
| 7685712 | Method for repairing a rubbing surface of a turbomachine variable-pitch blade Method for repairing a rubbing surface of a variable-pitch blade of a turbomachine, consisting in filling a deficit of material of said surface of the blade that results from wear thereof by depositing a metallic product by electrolysis then in forming at least one ... | 03/30/2010 |
| 7303374 | Disbond resistant composite joint and method of forming A disbond resistant multi-laminate composite product is provided having, a first member; a second member of composite material bonded to the first member; a third member of composite material bonded to at least the second member and being so positioned and arranged ... | 12/04/2007 |
| 7260973 | Method and apparatus for repairing a damaged propeller blade A propeller straightening apparatus utilizes a pair of adjustable hydraulic cylinders to apply pressure to a selected propeller blade of the propeller. Adjustments can include lateral, longitudinal and tilt angle. A propeller mount holds the propeller in a fixed pos... | 08/28/2007 |
| 7219855 | Rising and moving apparatus and manufacturing method thereof A fluid-structure interactive analysis is performed while n types of wing structure models are caused to flap in accordance with a prescribed model of flapping manner. Based on an analysis, data 1, data 2, . . . data n of physical values related to flu... | 05/22/2007 |
| 7059833 | Method for improvement of the efficiency of a wind turbine rotor A method for the improvement of wind turbine rotor efficiency blades of a wind turbine rotor with serrated trailing edges each having a plurality of span-wise, periodic indentations, in the form of saw teeth having approximately 60 degrees included angles between ad... | 06/13/2006 |
| 7040845 | Screw compressor and method of manufacturing rotors thereof A screw compressor comprises a casing, and a male and a female rotor formed with axially twisted screw grooves and accommodated in the casing, the both rotors being rotated by timing gears fixed to the respective rotors while a desired minute gap is kept therebetwee... | 05/09/2006 |
| 6935021 | Method for the plastic molding of the hub recess for fast running turbine component A method for plastic molding of a hub recess for a fast-running turbine component is provided. The plastic molding of the hub recess occurs by hydraulic expansion, by way of a hydraulic fluid introduced into the hub recess of the turbine component under high pressur... | 08/30/2005 |
| 6927361 | Surface oxide weld penetration enhancement method and article A method for welding iron-based or nickel-based superalloy assemblies into a unitary article. First, the assemblies are heated in an air atmosphere, at a rate suitable to minimize geometric distortion, to a temperature in the range of about 1400F (760C) to about 200... | 08/09/2005 |
| 6869259 | Milling method A milling method is provided for the manufacture of components composed of difficult-to-cut materials for turbomachines, aircraft and spacecraft by producing recesses with one or more side walls. An end milling cutter which cuts at the circumference and at the tip a... | 03/22/2005 |
| 6837760 | Method for modifying engine loading through changing of propeller blade shape by bending a propeller blade edge to modify the section camber and pitch of the blade, and propellers made using the same The present invention is directed to a method of altering the pitch of a propeller through localized bending of its blades. To alter the propeller's pitch the camber of at least one of its blades is changed by bending a portion of a trailing edge, a leading edge, or... | 01/04/2005 |
| 6789314 | Apparatus and method for connecting shafts An apparatus and method is provided for connecting two shafts which may be of dissimilar materials from each other. A stub shaft of ceramic material is attached to an impeller shaft via a support hub and a steady bearing radially restrains the stub shaft. ... | 09/14/2004 |
| 6644081 | System and method for adjusting helicopter blade trim tabs A system and method for adjusting the orientation of trim tabs on a helicopter rotor blade includes a gage, a bender and a calibrator plate. The gage is secured to the calibrator plate which holds the gage in an orientation that simulates a rotor blade wi... | 11/11/2003 |
| 6470544 | Hot Peeling device for a blade leading edge cap In order to remove a plate made from a material that can be heated by electromagnetic induction and retained on a supporting member by a heat-fusible adhesive, an inductor is displaced facing at least one strip of the plate in order to heat the strip by i... | 10/29/2002 |
| 6319346 | Method for manufacture of composite aircraft control surfaces A process for forming an aircraft control surface in the form of a spoiler from a fiber/resin composite is disclosed. The trailing edge is compression molded by applying pressure on the mold. The leading edge is thick walled in the form of a torsion box a... | 11/20/2001 |
| 6116856 | Bi-directional fan having asymmetric, reversible blades A bi-directional fan includes asymmetrically-shaped fan blades wherein, at each transverse cross-section of the blade, the profile of the blade includes a leading portion lying on one side of a straight line connecting the leading and trailing edges of th... | 09/12/2000 |
| 6099256 | Three dimensional figure eight propeller/impeller blade apparatus A propeller/impeller blade adapted to propel a vehicle or other device, create a vacuum, or move a medium, comprising a generally flat strip-like member having first and second opposite ends joined together to form a pair of contiguous loops with a genera... | 08/08/2000 |
| 6055913 | Coal spreader with swirl vanes An integrally cast, non-welded coal spreader for a furnace or boiler burner has integrally cast swirl vanes. A shaft of the spreader extends into the hollow interior of a cap of the spreader and the vanes extend outwardly of the cap and are cast as one pi... | 05/02/2000 |
| 6047474 | Method of manufacturing a bimetallic turbine blade and use thereof A receiving cavity having a simple geometrical shape is machined in a metallic block having a simple geometrical shape made of a first metallic material. A member made of the second material is made and fixed into the cavity to produce a composite bimetal... | 04/11/2000 |
| 6035531 | Method for manufacturing a variable-pitch composite blade for a helicopter rotor The method includes the following steps: producing a preform of the blade comprising a blade root section for connecting to a hub and an aerodynamically profiled main blade section, the preform including, in the blade root section, a pile of fabrics trans... | 03/14/2000 |
| 5896657 | Method of making a turbine blade A method of making a reaction turbine blade for enhancing the level of dissolved gas in water passing through a turbine. The method includes the steps of machining a blank to have an overall blade profile and control points, and fixedly securing a perimet... | 04/27/1999 |
| 5890875 | Blade apparatus A three dimensional figure eight propeller/impeller blade apparatus is provided which may be used to propel a vehicle, power a shaft, create a vacuum, or move a medium. The blade apparatus is made from an elongated strip of generally flat material. In one... | 04/06/1999 |
| 5862576 | Apparatus for installing a leading-edge sheath onto a helicopter main rotor blade subassembly An apparatus for installing a leading-edge sheath onto a helicopter main rotor blade subassembly, including a lower assembly having a leading-edge sheath contour nest configured for supporting the leading-edge sheath, opposed carriage members connected to... | 01/26/1999 |
| 5836062 | Apparatus for assembling a helicopter main rotor blade subassembly An apparatus for assembling a helicopter main rotor blade subassembly which includes a lower airfoil skin, a core, an upper airfoil skin, and a spar assembly having a tip end and a root end, the apparatus including a lower assembly including a base having... | 11/17/1998 |
| 5832605 | Methods for fabricating a helicopter main rotor blade A method for fabricating a helicopter blade subassembly includes the steps of providing a blade compaction apparatus having a lower assembly configured for mating with an upper assembly. The lower assembly includes a base having a contoured upper airfoil ... | 11/10/1998 |
| 5621967 | Method of making a leading edge weight retention assembly for a helicopter rotor A method for making helicopter rotor blades includes wrapping a prepreg strap around the conical or cylindrical outboard end of each weight segment. The weight segment is then placed in the rotor blade spar and goes through the spar cure cycle with it. Pr... | 04/22/1997 |
| 5598760 | EOP scribe device The described embodiment of an edge-of-part (EOP) scribe device is operative to simultaneously scribe opposed trim lines in an oversized, cured leading-edge sheath mounted on a sheath mold assembly. The EOP scribe device includes a primary carriage assemb... | 02/04/1997 |
| 5577321 | Method of propeller fabrication A method of fabricating propellers including a number of spiral segments of a hub each having a corresponding blade portion are integrally formed by press forging. These spiral segments are then electron beam welded together to form a propeller. To ensure... | 11/26/1996 |
| 5528828 | Methods for fabricating a helicopter main rotor blade A method for fabricating a helicopter main rotor blade includes a compaction fixture for assembling and compacting blade subassembly components and a sheath spreading/insertion apparatus for spreading and inserting a leading-edge sheath onto the blade sub... | 06/25/1996 |
| 5433002 | Fabrication process for complex composite parts A method for manufacturing a composite part is provided. A polymer material s formed into a shape whose outer surface has a desired part configuration. A base coating is applied to substantially all of the outer surface leaving at least one access to the p... | 07/18/1995 |
| 5430937 | Apparatus and methods for fabricating a helicopter main rotor blade An apparatus for fabricating a helicopter main rotor blade includes a compaction fixture for assembling and compacting blade subassembly components and a sheath spreading/insertion apparatus for spreading and inserting a leading-edge sheath onto the blade... | 07/11/1995 |
| 5327647 | Method for setting pitch on a windmill airfoil Setting pitch on a windmill airfoil having a longitudinal axis, a rotor blade and a rotor base secured to the rotor blade is accomplished by marking a windmill rotor hub for receiving the rotor base with a reference mark at a location corresponding to a f... | 07/12/1994 |
| 5320494 | Helicopter rotor blade having a replaceable anhedral tip A replaceable tip portion (20) for a helicopter rotor blade (14) is selectively swept, tapered and anhedral. The tip portion is formed of an upper and lower composite tip skin layer (35), each tip skin layer having bonded thereto a honeycomb core (38). Th... | 06/14/1994 |
| 5320508 | Rotary pump and rotor-shaft subassembly for use therein A rotor-shaft subassembly (33) is disclosed of the type for use in a Roots blower supercharger. The subassembly includes a rotor (39) mounted for rotation on a driveshaft (41) at forward (49,53) and rearward (57,51) axially spaced-apart locations. The rot... | 06/14/1994 |
| 5275535 | Ortho skew propeller blade A blade and method for fabrication of a blade for use on a hub for rotation in a fluid that enjoys the benefits of a skewed blade without the disadvantages. This is accomplished through the use of alternating clockwise skewed and counterclockwise skewed s... | 01/04/1994 |
| 5180286 | Propeller assembly A propeller assembly which includes a barrel with replaceable blade assemblies secured within slots formed in the exterior of the barrel. The slots include a first slot section and a second slot section with the first slot section extending radially deepe... | 01/19/1993 |
| 5158433 | Marine propeller having an outwardly flared hub A marine propeller including an inner hub to receive a driving connection to the engine and an outer hub is spaced outwardly from the inner hub to provide a passage therebetween for the discharge of exhaust gas from the engine. A plurality of blades exten... | 10/27/1992 |
| 5111576 | Method of making a flexprop A grenade device for use with and for ejection from an artillery shell is ovided. The device includes a stabilizing propeller and a grenade body. The propeller has two opposite blades disposed on opposite sides of a rotation axis. Each blade has an upper ... | 05/12/1992 |
| 5111676 | Tool for selectively bending the trailing edge tab of a helicopter blade while simultaneously measuring the true degree of tab bending A tool mountable on a helicopter blade for selectively bending the trailing edge trim tab of the blade about a selected axis along the span of the trim tab, and including a device to counterbalance the weight of the trim tab bending mechanism so that the ... | 05/12/1992 |
| 5096384 | Plastic fan blade for industrial cooling towers and method of making same A molded, composite, airfoil-defining, synthetic resin blade for large diameter cooling tower fans is disclosed wherein a moderately dense synthetic resin foam core is first formed that is generally of the same size and shape as the final desired blade. A... | 03/17/1992 |
