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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8186942 | Nacelle assembly with turbulators A nacelle assembly for a turbine engine has a cowl. The cowl extends along an axis and has an exterior surface spaced from an interior surface. The interior surface forms an air inlet for directing airflow to the turbine engine. A turbulator for creating turbulence ... | 05/29/2012 |
| 8137060 | Actuation of a turbofan engine bifurcation to change an effective nozzle exit area The invention relates to a turbine engine that includes a spool supporting at least one of a compressor and a turbine. A turbofan is coupled to the spool The spool is arranged in a core nacelle, and the turbofan is arranged upstream from the core nacelle. A fan nace... | 03/20/2012 |
| 8070424 | Flow control arrangement Provision of flow control arrangements which can be switched from high flow restriction to low flow restriction or vice versa are desirable. It is known to use switched vortex valves comprising a vortex chamber having a diverter portion which jets a through flow int... | 12/06/2011 |
| 8061974 | Compressor with variable-geometry ported shroud A compressor having a variable-geometry ported shroud includes a compressor housing defining an inlet duct, a shroud, and a bypass passage. A variable-geometry port extends through the shroud into the bypass passage, and includes an adjustable mechanism that is sele... | 11/22/2011 |
| 7946806 | Gas turbine engine systems and related methods involving heat exchange Gas turbine engine systems and related methods involving heat exchange are provided. In this regard, a representative heat exchange system for a gas turbine engine includes: a heat exchanger; and a flow restrictor operative to selectively restrict a flow of gas flow... | 05/24/2011 |
| 7887287 | Turbofan jet engine To provide a turbofan jet engine for a supersonic aircraft, which enables a supersonic cruise with small additional drag due to engine installation while minimizing the jet noise at takeoff. In the turbofan jet engine, two fans, i.e., a front fan and an aft fan, are... | 02/15/2011 |
| 7871242 | Single actuator controlled rotational flow balance system A rotational flow balance system includes an actuator system which controls operation of both a fan duct blocker ring and a modulated exhaust cooling ring through a kinematic system. The kinematic system is controlled by the single actuator system such that the modu... | 01/18/2011 |
| 7850419 | Bleed valve actuating system for a gas turbine engine The bleed valve actuating system is for use in a gas turbine engine. The system comprises an actuator mounted adjacent the engine case and having a main actuation axis extending generally parallel to a surface of the engine case. A drive rod extends from the bleed v... | 12/14/2010 |
| 7837436 | Method and apparatus for regulating fluid flow through a turbine engine A method for regulating fluid flow through a gas turbine engine is provided. The method includes coupling an outer fairing to a radially outer duct wall and coupling an inner fairing to a radially inner duct wall. An annular valve is coupled between the radially out... | 11/23/2010 |
| 7785066 | Bleed system for a low-pressure compressor of a turbomachine The bypass turbomachine comprises, between a primary flowpath (2) and a secondary flowpath (3), a structural intermediate casing (14). A bleed passage (29) allows the diversion of a portion of the gas stream toward the secondary flowpath ... | 08/31/2010 |
| 7416051 | Assembly and method for fan noise reduction from turbofan engines using dynamically adaptive Herschel-Quincke tubes An assembly useful in reducing aircraft engine noise such as turbofan engine noise (730) comprises: (1) at least one tube “H-Q” having an inlet end (738), an outlet end (740) and a central tube portion therebetween; an (ii) at least one actu... | 08/26/2008 |
| 7265187 | Process for production of polyamide composite material In the process of the present invention, a polyamide A1 and an organized clay B are mixed mainly by dispersive mixing, and after added with a polyamide A2, mixed mainly by distributive mixing in a corotating intermeshing twin-screw extruder so designed as to effect ... | 09/04/2007 |
| 7249930 | Variable-nozzle turbocharger with integrated bypass A turbine housing assembly includes a tubular piston disposed in a bore of a turbine housing and axially slidable between a closed position and an open position for blocking a nozzle by an amount dependent on axial positioning of the piston. A bypass control member ... | 07/31/2007 |
| 7249929 | Bleed housing A gas turbine engine compressor has a number of shroud rings, at least a bleed one of which defines a number of bleed ports. A structural hub is downstream of the shroud rings and secured relative to the shroud rings. A structural hub case extends from an aft joint ... | 07/31/2007 |
| 7238265 | Electroplating apparatus with functions of voltage detection and flow rectification The present invention provides a fountain-type electroplating apparatus with functions of voltage detection and flow rectification, comprising: an electroplating tank, a rectification device, and an overflow tank, wherein the electroplating tank is positioned inside... | 07/03/2007 |
| 7210295 | Compressor with secondary boost air outlet passage A wastegated turbocharger includes a turbine wheel mounted to a shaft for rotation within a turbine housing and a compressor wheel mounted to the shaft for rotation within a compressor housing. The compressor housing has mounted thereto a wastegate actuator command ... | 05/01/2007 |
| 7204868 | Method and apparatus for generating an inert gas on a vehicle An inert gas generating system for generating inert gas on a vehicle having a fuel tank and a fuel tank vent. The system includes an inlet for receiving a flow of gas having a nitrogen component and an oxygen component from a gas source, a heat exchanger downstream ... | 04/17/2007 |
| 7162872 | Exhaust gas turbocharger for an internal combustion engine In an exhaust gas turbocharger of an internal combustion engine including a compressor arranged in the intake duct and a turbine arranged in the exhaust duct of the engine, wherein the turbine includes in its housing an exhaust collection chamber from which the exha... | 01/16/2007 |
| 7147426 | Shockwave-induced boundary layer bleed An apparatus and method is provided for improving efficiency of a transonic gas turbine engine compressor by bleeding off a shockwave-induced boundary layer from the gas flow passage of the compressor using an array of bleed holes having a downstream edge aligned wi... | 12/12/2006 |
| 7069728 | Multi-position BOV actuator A multi-position pressurized fluid actuator is mounted for movement in a casing. The actuator includes at least one selectively openable opening at a location corresponding to an intermediate position through which pressurized fluid can be selectively bled from the ... | 07/04/2006 |
| 7025557 | Secondary flow control system The present invention is a system (20) for controlling various fluid flows, e.g., secondary fluid flows including cavitating fluid flows, typically developed along the shroud line and usually in or around a leading edge (21) within a flow channel (2... | 04/11/2006 |
| 7025356 | Air-oil seal An air-oil seal having a runner surface comprising at least one component selected from the group consisting of: polyetheretherketone; polyetherimide; polyphenylene sulfide; and polyetherketoneketone. ... | 04/11/2006 |
| 7007475 | Conical helical of spiral combustor scroll device in gas turbine engine A conical helical design for a turbine combustor scroll utilizes as much cavity of the combustor housing as possible by adding an axial shift and an irregular cross sectional shape in the scroll without adversely effecting aerodynamic performance. The axial shift re... | 03/07/2006 |
| 6981842 | Bleed valve system A bleed valve for use in a gas turbine engine is provided; the bleed valve may be used to relieve air pressure from a compressor stage of the engine. At normal pressure and when the engine is off, the bleed valve is in the open position. However once the engine star... | 01/03/2006 |
| 6921244 | Bleed valve system Disclosed is a system for operating gas turbine engine bleed valves in response to pressure values within the engine, wherein the engine pressure values are sensed electronically and routed to a programmable logic device, and wherein the programmable logic device co... | 07/26/2005 |
| 6910851 | Turbofan jet engine having a turbine case cooling valve A turbofan jet engine that includes a valve assembly mounted within the engine and in fluid communication with the engine bypass flow passage. The valve assembly includes a valve body that has a fluid inlet port in fluid communication with the bypass flow passage, a... | 06/28/2005 |
| 6905309 | Methods and apparatus for reducing vibrations induced to compressor airfoils A method enables a rotor blade for a gas turbine engine to be fabricated. The method comprises forming an airfoil including a first side wall and a second side wall that each extend in radial span between an airfoil root and an airfoil tip, and wherein the first and... | 06/14/2005 |
| 6802691 | Maintainable compressor stability bleed system The present invention relates to an axial flow rotary machine and to a maintainable compressor bleed system therefore. The axial flow rotary machine comprises a primary flow path for a working medium, a secondary flow path for the working medium, a bleed system for ... | 10/12/2004 |
| 6742324 | Methods and apparatus for supporting variable bypass valve systems A method enables a gas turbine engine variable bypass valve system to be assembled. The method comprises positioning a unison ring circumferentially within the gas turbine engine such that the unison ring is radially outward from a structural frame, coupling at leas... | 06/01/2004 |
| 6729134 | Variable geometry turbocharger having internal bypass exhaust gas flow Variable geometry turbochargers include a turbine housing having an exhaust gas inlet and outlet, a volute connected to the inlet, and typically a nozzle wall adjacent the volute. The turbine housing includes a bypass exhaust gas flow port disposed internally therei... | 05/04/2004 |
| 6695578 | Bleed valve system for a gas turbine engine A bleed valve assembly includes a valve poppet having a bleed portion and a base portion separated by a radially extending flange. The radially extending flange is located about the perimeter of the valve poppet to engage the valve seat on one side and re... | 02/24/2004 |
| 6685425 | Inlet bleed heater for heating inlet air to a compressor and methods of fabricating and transporting the heater An inlet bleed heater for flowing heated air to the inlet of a compressor is fabricated wholly at a factory site. The heater interconnects a manifold which receives extraction air from the compressor to down tubes in the inlet air duct to supply heated ex... | 02/03/2004 |
| 6648594 | Turbocharger A turbocharger for an internal combustion engine comprises an air intake, a compressor, a compressor housing (2), a plurality of bypass channels (1) formed in the compressor housing (2) providing a short cut to air from the air intake into the turbine, an... | 11/18/2003 |
| 6638014 | Valve arrangement for a power plant The invention relates to a valve arrangement (1), in particular for a power plant. A housing (2) contains a shut-off valve (3) for shutting off a fluid flow, a control valve (4) for controlling the fluid flow through a housing outlet (8) and a bypass valv... | 10/28/2003 |
| 6623239 | Turbocharger noise deflector A turbocharger having a bypass port compressor, with a center channel that flows directly into the compressor wheel, and an annular channel which acts as a bypass and provides flow either into or out of the compressor wheel, with an inner deflector having... | 09/23/2003 |
| 6609360 | Gas turbine, combined cycle plant and compressor A gas turbine, a combined cycle plant and compressor by which both augmentation of the power output and augmentation of the thermal efficiency can be realized by injecting liquid droplets into inlet air introduced into an entrance of a compressor with sim... | 08/26/2003 |
| 6572328 | Steam turbine and method of feeding bypass steam A steam turbine for a combined gas and steam-turbine power plant process, including at least one valve arrangement for the controlled feeding of live steam into the steam turbine is disclosed. The valve arrangement has a quick-closing valve and at least o... | 06/03/2003 |
| 6561760 | Booster compressor deicer A booster compressor includes inlet guide vanes supported from a shroud. A shell surrounds the shroud and defines a manifold. A splitter nose includes a groove receiving a forward tang of the shroud with a clearance therebetween defining an outlet for the... | 05/13/2003 |
| 6398491 | Multistage turbocompressor A multistage turbocompressor is equipped with a tapping point between two compressor stages. The guide-blade cascade of the stage arranged directly upstream or downstream of the tapping point is designed with adjustable geometry. The pressure at the tappi... | 06/04/2002 |
| 6202413 | Multiple nozzle ejector for wastegated turbomachinery An improved wastegated turbocharger including ejector nozzles such that the bypassed exhaust flow re-enters the main exhaust flow at a predetermined pitch angle and yaw angle so as to create a drop in turbine back pressure. The exhaust gas turbocharger in... | 03/20/2001 |
