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| Number | Title | Issue Date |
| 8015707 | Method of fabricating a combustion chamber A welded assembly of combustion chamber elements is disclosed. Two subassemblies of the combustion chamber are fabricated by butt-welding, and a first subassembly has an intermediate connection ring welded thereto suitable for performing final welding with the secon... | 09/13/2011 |
| 8015706 | Gas turbine floating collar A method of providing a floating collar for a gas turbine engine combustor is provided, and comprises providing an annular sheet metal blank and bending the blank to provide the floating collar with an axial extending annular collar portion, an annular flange portio... | 09/13/2011 |
| 7509738 | Solid-free-form fabrication of hot gas valve discs A hot gas valve disc for a divert and attitude control disc switching element used in a propelled craft. The hot gas valve disc comprises a first layer comprising a first metal material having a first grain size and a first grain orientation, and at least one additi... | 03/31/2009 |
| 7493691 | Co-molding metallic-lined phenolic components A method is provided for manufacturing a missile component for use in a high temperature environment, where the missile component has a flow passage therethrough and the flow passage has a shape. An apparatus manufactured by the inventive method is provided as well.... | 02/24/2009 |
| 7370505 | Method of forming blind holes in a sheet of material A method of forming blind holes in a sheet material is provided. The method includes punching the sheet material to define a hollow projection through the material and shearing a layer of material from the sheet material to form a sealed end over an opening of the h... | 05/13/2008 |
| 7370469 | Rocket chamber heat exchanger A rocket engine chamber has a back structure and a heat exchanger structure located radially inwardly of the back structure. The heat exchanger structure has a plurality of integrally formed cooling passageways with adjacent ones of the passageways having a common s... | 05/13/2008 |
| 7368063 | Method for manufacturing ink-jet printhead In an ink-jet printhead and a method for manufacturing the same, the ink-jet printhead includes a substrate, an ink chamber to be filled with ink formed on a front surface of the substrate, a manifold for supplying ink to the ink chamber formed on a rear surface of ... | 05/06/2008 |
| 7302794 | Rocket engine member and a method for manufacturing a rocket engine member Method and arrangement for providing a liquid fuel rocket engine member having a load bearing wall structure (11,14) including a plurality of cooling channels (11) for handling a coolant flow. Each cooling channel (11) is provided with a flow gu... | 12/04/2007 |
| 7299622 | Component for being subjected to high thermal load during operation and a method for manufacturing such a component Method and arrangement for providing a component (1) for being subjected to high thermal load during operation. The component includes a wall structure, which defines an inner space for gas flow. The component is formed by at least a first part (5) tha... | 11/27/2007 |
| 7299551 | Method of assembling a rocket engine with a transition zone between the combustion chamber and the coolant system An improved engine construction, such as a rocket engine construction is provided. The engine construction comprises a combustion chamber, a smooth wall nozzle, and a transition zone between the chamber and the smooth wall nozzle. The transition zone has a coolant s... | 11/27/2007 |
| 7284487 | Single-piece stereolithographically-produced missile igniter Stereolithography is used to fabricate directly a single-piece, missile-usable, accurate, flightweight igniter without the use of intermediate, non-operational molds or prototypes in the fabrication process. The same prototype-less, direct stereolithography can be u... | 10/23/2007 |
| 7275521 | Joint structure of diverging branch pipe in fuel rail for internal combustion engine, diverging branch pipe and manufacture method of its diverging branch pipe A joint structure connects a diverging branch pipe to a fuel rail for an internal combustion engine. The fuel rail is stainless steel or steel with rust prevention processing on at least the inner face. The diverging branch pipe is a double pipe with inner and outer... | 10/02/2007 |
| 7257894 | Process for making a panel with a protected acoustic damping layer A process for the production of a panel with a protective acoustic damping layer. The protective layer includes at least one porous core covered, on the one side, with a porous acoustic damping layer and on the other side with a total acoustic reflector. The porous ... | 08/21/2007 |
| 7254936 | Simple solid propellant rocket engine and super-staged rocket A solid propellant rocket engine includes: a propellant formed into a predetermined shape having a combustion cavity and capable of deflagrating into hot, high-pressure gas upon ignition; and a nozzle configured and positioned to expand the hot, high-pressure gas in... | 08/14/2007 |
| 7243700 | Method for casting core removal To destructively remove a refractory metal casting core from a cast part the part is exposed to a combination of nitric acid and sulfuric acid. ... | 07/17/2007 |
| 7234294 | Outlet nozzle and a method for manufacturing an outlet nozzle Method and arrangement for providing an outlet nozzle (10) for use in a liquid fuel rocket engine. The nozzle forms a body of revolution having an axis (11) of revolution and a cross section that varies in diameter along said axis. The nozzle has a wal... | 06/26/2007 |
| 7222946 | Ink jet head and droplet ejection device having same mounted thereon An ink jet head includes: a chamber plate having a plurality of pressuring chambers formed therein for storing an ink; a vibrating plate bonded to the chamber plate; a housing having an ink flow path through which an ink is supplied into the pressuring chambers; an ... | 05/29/2007 |
| 7204234 | High-pressure fuel injection pipe A high-pressure fuel injection pipe, which has an outside diameter (φ) of 6.35 mm, an inside diameter (φ) of 4.35 to 2.95 mm, and a wall thickness (t)of about 1.0 to 1.7 mm, can serve as a high-pressure fuel injection pipe for in-cylinder injection type gasoline e... | 04/17/2007 |
| 7188417 | Advanced L-channel welded nozzle design A fluid flow nozzle is formed by a plurality of adjacent L-shaped channels forming successive channel pairs. Each channel has a linking member joined to a radial member. Each linking member is welded to an adjacent linking member forming a contiguous surface of link... | 03/13/2007 |
| 7159403 | Apparatus for assembling gas turbine engine combustors A method for assembling a gas turbine engine combustor facilitates reducing costs and time required for assembly. The combustor includes a spectacle plate, a plurality of swirlers, and a plurality of deflector plates. The method includes coupling an assembly fixture... | 01/09/2007 |
| 7153442 | Method of manufacturing an ink jet print head A method of manufacturing an ink jet print head is provided. The method forms, on a silicon monocrystailine substrate, a first etching pattern for forming pressure generating chambers and a second etching pattern located opposite to the first etching pattern with re... | 12/26/2006 |
| 7124574 | Method and apparatus for a substantially coaxial injector element A system to provide a two piece robust fluid injector. According to various embodiments, the fluid injector is a fuel injector for a combustion engine. The injector includes two coaxially formed annuluses. One annulus is formed in a face plate and the second annulus... | 10/24/2006 |
| 7124487 | Method for controlling carbon formation on repaired combustor liners A method for controlling combustor liner carbon formation on repaired combustors includes making modular effusion panel subassemblies remote from the combustor liner; removing a non-effusion or damaged panel from the combustor liner; and replacing the non-effusion o... | 10/24/2006 |
| 7093337 | Integrated tankage for propulsion vehicles and the like The present invention provides methods for integrating structural members inside the body of a propulsion vehicle with tankage used to store fluid propellant and the like. Propulsion vehicles may be made lighter, more compact, cheaper, and easier to manufacture by u... | 08/22/2006 |
| 7076872 | Method of assembly of a printhead with modules in a channel A printhead assembly for an A4 pagewidth drop on demand printer includes a number of printhead modules situated along a metal channel. The metal channel is typically of a special alloy called “Invar 36”. Preferably the channel is nickel plated to help match it t... | 07/18/2006 |
| 7063799 | Ink jet recording head, manufacturing method therefor, and substrate for ink jet recording head manufacture A base member for use in manufacturing an ink jet recording head, which includes a supply port, an ejection outlet, a liquid flow path for directing liquid supplied from the supply port to the ejection outlet, and an ejection pressure generating element, disposed in... | 06/20/2006 |
| 7051513 | Rocket engine tubular chamber with single piece jacket A method for forming a coolant system for a rocket engine combustion chamber is provided. The method comprises the steps of providing a plurality of tubes formed and shaped into the profile of a nozzle with each of the tubes having a constantly expanding cross secti... | 05/30/2006 |
| 7043921 | Tube cooled combustor An innovative cooling tube assembly is disclosed for use in cooling the liner of a combustor in a gas turbine engine. Each cooling tube has a serpentine shape that conforms to the contour of the liner as the tube extends from one end of the combustor to the other to... | 05/16/2006 |
| 7043898 | Combined exhaust duct and mixer for a gas turbine engine A gas turbine engine including a gas exhaust duct assembly which comprises an annular shroud forming at least a section of an inner wall of a gas exhaust duct, a plurality of strut members radially projecting from the shroud, and a plurality of insert members. The s... | 05/16/2006 |
| 7011158 | Method and apparatus for well bore cleaning Apparatus connected to the downhole end of a tubing string for cleaning and flushing wells has a threaded connection to the string and at least one primary jet to direct circulating gases toward the downhole end of the well, together with a plurality of secondary je... | 03/14/2006 |
| 6986201 | Methods for replacing combustor liners A method enables replacement of a gas turbine engine combustor liner. The combustor has a combustion zone formed by inner and outer liners. A plurality of cooling features are formed by overhanging portions of the inner and outer liner liners. The method comprises c... | 01/17/2006 |
| 6983608 | Methods and apparatus for assembling gas turbine engines A method facilitates assembling a gas turbine engine. The method comprises providing an engine frame including an integrally formed outer band, an inner band, and a plurality of circumferentially-spaced apart struts extending radially therebetween, and providing at ... | 01/10/2006 |
| 6983599 | Combustor member and method for making a combustor assembly A turbine engine combustor member, for example a deflector including an inner surface at a combustor interior and an outer surface away from such interior includes a body of a high temperature alloy having properties combining resistance to hot corrosion in March=1 ... | 01/10/2006 |
| 6980296 | Measuring laser light transmissivity in a to-be-welded region of a work piece Methods for measuring laser light transmissivity of a specific position in a work piece prior to the work piece undergoing laser welding at the specific position with a laser beam having a specific welding wavelength. To obtain a baseline measurement reading, a lase... | 12/27/2005 |
| 6974956 | Super alloy ionization chamber for reactive samples The present invention relates to an ionization source having a chamber for ionizing a sample. The ionization chamber has surfaces to reduce the overall interaction with reactive samples. The inner surface walls of the ionization chamber or the ionization chamber may... | 12/13/2005 |
| 6951109 | Apparatus and methods for minimizing and/or eliminating dilution air leakage in a combustion liner assembly Variations in dilution air leakage paths in a gas turbine combustion liner assembly are minimized or eliminated to reduce emissions and variations in emissions from combustor to combustor. Leakage paths between the liner sleeve and venturi outer liner are minimized ... | 10/04/2005 |
| 6945032 | Method for manufacturing outlet nozzles for rocket engines A wall structure capable of withstanding high thermal load, including a wall structure with an inner wall, an outer wall positioned about the inner wall, and distancing elements located between the inner and outer walls. The distancing elements are joined to at leas... | 09/20/2005 |
| 6935118 | Exhaust nozzle segmented basesheet and production method thereof A basesheet for use in an aircraft gas turbine engine exhaust nozzle includes a plurality of basesheet segments extending between longitudinally extending spaced apart basesheet leading and trailing edges, respectively, of the basesheet. Right and left hand baseshee... | 08/30/2005 |
| 6931728 | Test model for a gas turbine combustor dome and method of fabricating A method of fabricating a test model of a gas turbine engine combustor dome, and the test model produced thereby. The method entails individually stamping a plurality of dome wall segments and first and second mounting band segments. Each wall segment comprises at l... | 08/23/2005 |
| 6931855 | Attachment system for coupling combustor liners to a carrier of a turbine combustor A system for attaching liners to a carrier for forming inner surfaces of turbine combustor. The system may include one or more liners attached to a carrier using connectors engaged to the carrier on a cold side of the liner and may include one or more liners attache... | 08/23/2005 |
