Patent application number | Description | Published |
20090021890 | Cellular Honeycomb Ultracapacitors and Hybrid Capacitors and Methods for Producing - An ultracapacitor or hybrid capacitor includes an electrically non-conductive rigid or semi-rigid porous honeycomb structure ( | 01-22-2009 |
20090100872 | Method for laminating glass, glass-ceramic, or ceramic layers - A method for laminating glass, glass-ceramic, or ceramic layers. The method comprises providing a first layer of glass, glass-ceramic, or ceramic, wherein the glass, glass-ceramic, or ceramic of the first layer is electromagnetic radiation-sensitive or has an electromagnetic radiation susceptor disposed on it; stacking a second layer of glass, glass-ceramic, or ceramic on the first layer; and irradiating the stack with electromagnetic radiation to laminate the first and second layers. | 04-23-2009 |
20090185328 | Cellular Honeycomb Ultracapacitors and Hybrid Capacitors With Separator-Supported Current Collectors - An ultracapacitor or hybrid capacitor includes an electrically non-conductive rigid or semi-rigid porous honeycomb separator structure having cells extending along a common direction and supporting current collector structure(s) thereon. The current collector structure may be porous and extend continuously on all inner surfaces of a cell of the honeycomb structure, or may extend along the common direction on separate portions of the inner surfaces of a cell. The honeycomb structure desirably formed of a material that is stable at temperatures of 300° or more, such that high temperature processing can be used to help ensure high purity of the final product. The material may desirably be an oxide or non-oxide ceramic, such as cordierite, silicon nitride, or aluminum titanate. The cells desirably have an average density per unit area within in a plane perpendicular to the common direction of more than 15.5 per square centimeter. | 07-23-2009 |
20090303663 | Cellular honeycomb hybrid capacitors with non-uniform cell geometry - An hybrid capacitor includes an electrically non-conductive rigid or semi-rigid porous honeycomb structure having cells extending along a common direction, the cells having a plurality of cross-sectional shapes. The honeycomb structure is desirably formed of a material that is stable at temperatures of 3000 or more, such that high temperature processing can be used to help ensure high purity of the final product. The material of the structure may desirably be an oxide or non-oxide ceramic, such as cordierite, silicon nitride, alumina, aluminum titanate, zircon, glass, or glass-ceramic. The plurality of shapes of the cells includes larger shapes in which cells are disposed non-galvanic electrodes, with galvanic electrodes disposed in cells of other shapes. | 12-10-2009 |
20100018053 | CO-EXTRUSION METHOD OF FABRICATING ELECTRODE STRUCTURES IN HONEYCOMB SUBSTRATES AND ULTRACAPACITOR FORMED THEREBY - A method for fabricating electrode structures within a honeycomb substrate having a plurality of elongated channels is provided that is particularly adaptable for producing an ultracapacitor. In this method, the nozzle of a co-extrusion device simultaneously feeds a current collector along a central axis of one of the channels while simultaneously injecting a paste containing an electrode material so that the interior of the channel becomes completely filled with electrode paste at the same rate that the current collector is fed. Such co-extrusion as performed simultaneously at both sides of the ceramic substrate to rapidly form electrode structures within substantially all the channels of the substrate. The resulting ultracapacitor is capable of storing large amounts of electrical energy per unit volume in a structure which is relatively quick and easy to manufacture. | 01-28-2010 |
20100275767 | MULTI-HIT CAPABLE TRANSPARENT, MULTI-STACK ARMOR SYSTEM - A transparent armor laminate system includes a plurality of sub-stacks separated by an interlayer. The sub-stacks include a plurality of layers including a glass ceramic front strike-face layer, a backing layer comprising a spall-resistant material, and at least one glass layer laminated between the strike-face and backing layers. The interlayer isolates cracks between sub-stacks, and may include an isolating material such as a polymer, gas, or liquid. The laminate system offers improved performance with reduced weight over conventional all-glass or all-glass-ceramic transparent armors. | 11-04-2010 |
20120174761 | TRANSPARENT ARMOR WITH IMPROVED MULTI-HIT PERFORMANCE BY USE OF A THIN COVER GLASS - The disclosure is directed to a transparent armor laminate having a glass, glass-ceramic or ceramic strike face layer, one or a plurality of glass, glass-ceramic (“GC”), ceramic (“C”) or polymeric (“P”) backing layer behind the strike face layer, one or a plurality of spall catcher (“SC”) layers behind the backing layer(s), and a thin cover glass layer laminated to the strike face, the thin layer being the first layer to be impacted by any incoming projectile or debris. The cover glass has a thickness ≦3 mm. In another embodiment the cover glass thickness is ≦1 mm. Additionally, a defrosting/defogging element is laminated between the cover glass and the strike face. | 07-12-2012 |
Patent application number | Description | Published |
20100124616 | METHOD OF FORMING AN ABRADABLE COATING - A method of forming a coating comprises depositing a first coating layer on a surface of a substrate, wherein the coating comprises a ceramic or metal, a lubricant, and a fugitive material. At least a portion of the fugitive material is decomposed, transformed or volatized by heating the first coating layer with a localized heat source. | 05-20-2010 |
20110074113 | METHOD AND COMPOSITION FOR COATING OF HONEYCOMB SEALS - A method and composition are provided for coating honeycomb seals and, more specifically, to a method and slurry for applying an aluminide coating onto honeycomb seals. The method includes preparing a slurry of a powder containing a metallic aluminum alloy having a melting temperature higher than aluminum, an activator capable of forming a reactive halide vapor with the metallic aluminum, and a binder containing an organic polymer. The slurry is applied to surfaces of the honeycomb seal, which is then heated to remove or burn off the binder, vaporize and react the activator with the metallic aluminum to form the halide vapor, react the halide vapor at the substrate surfaces to deposit aluminum on the surfaces of the seal, and diffuse the deposited aluminum into the surfaces to form a diffusion aluminide coating. | 03-31-2011 |
20120163955 | SYSTEM AND METHOD TO ELIMINATE A HARD RUB AND OPTIMIZE A PURGE FLOW IN A GAS TURBINE - A system and method to eliminate hard rub and optimize a purge flow in a gas turbine is provided. The gas turbine includes a stator configured to guide a flow of an incoming gas. The gas turbine also includes a rotor configured to expand the incoming gas and extract kinetic energy from the incoming gas. The gas turbine further includes a purge flow bled from a compressor and configured to reduce a temperature of a wheel space by limiting ingestion of the incoming gas. The gas turbine also includes an angel wing disposed between the rotor and the stator and configured to act as a sealing surface between the rotor and the stator. The gas turbine further includes a fan blade disposed on a surface of the angel wing at an axial position and configured to generate a recirculation zone of the purge flow, wherein the recirculation zone is reduces a volume of successive purge flows entering the wheel space. | 06-28-2012 |
20130142628 | ABRADABLE SEAL WITH AXIAL OFFSET - A sealing system for a centrifugal compressor includes a stator having a seal, a seal disposed in the seal housing and having an abradable portion along an inner circumference, a rotor having a plurality of rotor teeth configured to rotate within the inner circumference of the seal and configured to create rub grooves within the abradable portion, and a first spring disposed between the stator and the seal and configured to facilitate axial movement of the seal relative to the seal housing. | 06-06-2013 |
20140137957 | PRESSURE BALANCED SPRING LOADED OVERTRAVEL SEALING APPARATUS - An apparatus includes a cage and a main plug disposed in the cage. The main plug is movable between a main plug closed position and a main plug open position. A seal assembly disposed on the main plug, the seal assembly having a seal that is configured to contact the cage when the main plug is in the main plug closed position, and configured to reduce contact with the cage when a pressure differential across the seal is reduced. The apparatus includes a pressure balancing assembly movable between a closed position, an overtravel position and an open position. The pressure balancing assembly is configured to balance the pressure differential across the seal when in the overtravel and open position. | 05-22-2014 |
20140147242 | SEAL SYSTEMS FOR USE IN TURBOMACHINES AND METHODS OF FABRICATING THE SAME - A seal system, for an apparatus that includes a rotatable portion with airfoils coupled thereto and a stationary portion with an inner surface, includes an abradable portion including at least one abradable layer of an abradable material formed over the inner surface. The seal system also includes an abrading portion disposed over at least a portion of a substrate of the airfoil. The abrading portion includes at least one abrading layer formed on at least a portion of the substrate and a plurality of abrasive particles embedded within the abrading layer. The plurality of abrasive particles includes at least one of substantially all of one of tantalum carbide (TaC), aluminum oxide (Al | 05-29-2014 |