Patent application number | Description | Published |
20110277693 | Systems and Methods to Control the Incursion of Fish into Seachests - Described herein is an apparatus for the entrainment of fish from seachests having an anode, a cathode, a support structure for the anode and cathode proximate to the hull of a ship, such that when an electric current passes from the anode to the cathode, fish are entrained from entering a seachest. | 11-17-2011 |
20120298442 | Systems and Methods for the Reduction of Underwater Acoustical Noise - The inventive subject matter describes systems and methods for the implementation of an aquatic acoustical barrier, the aquatic acoustical barrier having a multiplicity of acoustical layers, the acoustical layers further having a multiplicity of acoustical leafs, such that when the acoustical barrier surrounds a noise source in the water there is an attenuation created by the noise source. | 11-29-2012 |
20150201590 | Apparatus and Methods for the Guidance of Fish - Described herein is an aquatic electrical barrier that has the electrodes configured in a matrix array configuration, where each electrode element of the matrix array is mounted either directly on the bottom of a water channel or on extendable rods; the matrix array is controlled so that aquatic species may be physically moved by the aquatic species physiological response to a time-varying and spatially-varying electrical field. | 07-23-2015 |
Patent application number | Description | Published |
20120043815 | ACTIVE FILTERING ELECTRICAL ACCUMULATOR UNIT - A power generation system has a generator, a power bus and an electrical accumulator unit. The electrical accumulator unit includes an independent controller that actively filters transients from the power bus. | 02-23-2012 |
20140300440 | INDUCTOR GAP SPACER - An inductor comprises a ferromagnetic or ferrimagnetic core with a reluctance gap, a plurality of conductive windings disposed about the ferromagnetic or ferrimagnetic core, and a spacer. The spacer separates the conductive windings from the ferromagnetic or ferrimagnetic core in the immediate vicinity of the reluctance gap, such that the conductive windings are substantially unaffected by fringing flux from the reluctance gap. | 10-09-2014 |
20140307360 | IMMERSION COOLED CAPACITOR FOR POWER ELECTRONICS CONVERTOR - A power electronics convertor is disclosed which includes a hermetically sealed housing, a dielectric cooling fluid contained in the housing, and a bank of capacitive elements disposed within the housing and submerged in the cooling fluid, wherein each capacitive element is wound about a hollow aluminum core forming an open interior region within the center of the capacitive element that is dimensioned and configured to optimize heat transfer between the capacitive element and the cooling fluid and reduce thermal stress in the capacitor. | 10-16-2014 |
20140355212 | IMMERSION COOLED MOTOR CONTROLLER - An immersion cooled motor controller assembly is disclosed that includes a sealed housing, a fluorocarbon cooling liquid contained in the sealed housing, and an AC/AC motor controller disposed in the sealed housing and submerged in the fluorocarbon cooling liquid, wherein the AC/AC motor controller includes a power board module adapted and configured to operate at power levels greater than 30 kW. | 12-04-2014 |
Patent application number | Description | Published |
20100254821 | INTERMEDIATE-MANUFACTURED COMPOSITE AIRFOIL AND METHODS FOR MANUFACTURING - An intermediate-manufactured composite airfoil includes first and second composite skins each having a plurality of fibers in a polymer matrix. A composite core is removably located between the first and second composite skins. The composite core includes a dry, three-dimensional, woven fiber network. The composite core may alternatively include a three-dimensional, woven fiber network in a fully cured polymer matrix. | 10-07-2010 |
20110052405 | COMPOSITE AIRFOIL WITH LOCALLY REINFORCED TIP REGION - A composite airfoil has a root, a tip, a root region and a tip region. The composite airfoil further includes a woven core, a first filament reinforced airfoil ply, a second filament reinforced airfoil ply and a local reinforcement laminate section. The woven core extends from the root to the tip of the composite airfoil. The first filament reinforced airfoil ply is stacked on the woven core and the second filament reinforced airfoil ply is stacked adjacent to the first filament reinforced airfoil ply on the woven core. The local reinforcement laminate section is at the tip region of the composite airfoil and comprises a first reinforcement ply that does not extend to the root region. The local reinforcement laminate section increases a chordwise flexural stiffness of the tip region. | 03-03-2011 |
20110129348 | CORE DRIVEN PLY SHAPE COMPOSITE FAN BLADE AND METHOD OF MAKING - A method of forming a composite airfoil having a suction side and pressure side includes the steps of designing a mold, designing a woven core, designing a plurality of plies and assembling the designed mold, core and plies to create the composite airfoil. The hollow mold has an inner surface which defines the surface profile of the composite airfoil. The plurality of plies is designed to fit between the inner surface of the mold and an outer surface of the woven core. The plurality of plies is designed after the step of designing the woven core. | 06-02-2011 |
20110194941 | CO-CURED SHEATH FOR COMPOSITE BLADE - A method of forming a composite blade having a sheath on a portion of the blade by placing the dry composite blade and sheath in a mold, adding a resin, and curing the resin to integrally bond the blade to the metal sheath. The portion of the blade having the sheath bonded thereto may be at least one of the leading edge, the tip and the trailing edge of the blade. | 08-11-2011 |
20120134839 | COMPOSITE AIRFOIL AND TURBINE ENGINE - A composite airfoil includes a core that has a three-dimensional network of fibers. The core defines an airfoil section and a root section. A composite skin covers a portion of the core excluding the root section. | 05-31-2012 |
Patent application number | Description | Published |
20110038732 | GAS TURBINE ENGINE COMPOSITE BLADE - The disclosed composite airfoil includes a three-dimensional composite core extending longitudinally and having a chord-wise direction. The core has a core in-plane thickness extending between opposing sides in a through-plane direction generally perpendicular to the chord-wise and longitudinal directions. A composite skin covers the opposing sides and has an exterior surface providing an airfoil contour. The skin includes a total skin in-plane thickness corresponding to a sum of thicknesses through the skin in the through-plane direction from each of the opposing sides to their adjoining exterior surface. A sum of the core in-plane and total skin in-plane thicknesses at a central portion of the composite airfoil is a total in-plane thickness. The total skin in-plane thickness at the central portion is less than 50% of the total in-plane thickness. | 02-17-2011 |
20130220536 | METHOD OF APPLYING LIQUID ADHESIVE TO A SURFACE OF A METALLIC FAN BLADE - A method of forming a fan blade includes the steps of applying an adhesive to an inner surface of a cover and moving a toothed instrument along the inner surface of the cover to spread the adhesive over the inner surface of the cover to form a plurality of rows of adhesive on the inner surface of the cover. The method further includes the steps of applying the inner surface of the cover to a fan blade body and curing the adhesive to secure the cover to the fan blade body. | 08-29-2013 |
20130220537 | METHOD OF BONDING A LEADING EDGE SHEATH TO A BLADE BODY OF A FAN BLADE - A method of forming a fan blade includes the step of applying an adhesive layer around a leading edge of a fan blade body. The adhesive layer includes an adhesive film supported by a scrim cloth, and the adhesive layer contacts a portion of an inner surface of the fan blade body and a portion of an outer surface of the fan blade body. A leading edge sheath is positioned relative to the fan blade body such that a first flank and a second flank of the leading edge sheath is positioned over the portion of the inner surface and the portion of an outer surface, respectively, of the fan blade body. Pressure is applied to the first flank and the second flank of the leading edge sheath to secure the leading edge sheath to the blade body and curing the adhesive film. | 08-29-2013 |
20130220542 | METHOD OF SECURING LOW DENSITY FILLER IN CAVITIES OF A BLADE BODY OF A FAN BLADE - A method of forming a fan blade includes the step of positioning a piece of low density filler in a cavity of an inner exposed surface of a fan blade body. An upper surface of the piece of low density filler is located above the inner exposed surface of the fan blade body, and the low density filler has a density lower than a density of a material of the fan blade body. The method further includes the steps of positioning the fan blade body in a lower die of a press and applying pressure to the inner exposed surface of the fan blade body with an upper die of the press to compress the low density filler such that the upper surface of the piece of low density filler is approximately flush with the inner exposed surface of the fan blade body. | 08-29-2013 |
20130239586 | FAN BLADE AND METHOD OF MANUFACTURING SAME - An airfoil for a gas turbine engine includes a substrate and a sheath providing an edge. A cured adhesive secures the sheath to the substrate. The cured adhesive has a fillet that extends beyond the edge that includes a mechanically worked finished surface. A method of manufacturing the airfoil includes the steps of securing a sheath to a substrate with adhesive, curing the adhesive, and mechanically removing a portion of the adhesive extending beyond the sheath. | 09-19-2013 |
20140093367 | AIRFOIL WITH GALVANIC CORROSION PREVENTIVE SHIM - An airfoil includes an airfoil body made of a first metal with a leading edge, a trailing edge, pressure side and suction side; a sheath with first and second flanks made of a second metal; a first layer of non-conductive material adhesively bonded between a portion of the end of the first flank and the airfoil body and extending beyond the end of the first flank on the pressure side; and a second layer of non-conductive material adhesively between a portion of the end of the second flank and the airfoil body and extending beyond the end of the second flank on the suction side. | 04-03-2014 |
20150190893 | SYSTEMS AND METHODS FOR AIRFOIL ASSEMBLY - A method for assembling an airfoil includes pressing a blade body together with at least one of a blade sheath and a blade cover between a plunger and a die base to join the blade body to the blade sheath and/or the blade cover. The method can include transferring heat from the plunger and/or the die base to at least one of the blade body, the blade sheath and the blade cover to cure an adhesive. | 07-09-2015 |