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| Number | Title | Issue Date |
| 7575014 | Control of engine intake door An air induction system for an engine having an improved mechanism for control of an intake door. The system includes a housing having an opening for receiving intake air. A power activated door is pivotable between a closed position wherein the opening is closed an... | 08/18/2009 |
| 7429018 | Variable fluid intake with ramp and inflatable bag Methods and apparatus for a fluid inlet according to various aspects of the present invention comprise a housing and a ramp at least partially within the housing. The housing and the ramp define a passage through which air may flow to the engine and a cavity on the ... | 09/30/2008 |
| 7419121 | Integrated mount duct for use with airborne auxiliary power units and other turbomachines An integrated mount duct includes a load ring for mounting a turbomachine to a flight vehicle, wherein the load ring has a cylindrical shape with a flange edge and a stepped edge, and comprises one or more mechanical attachment members disposed on an outside surface... | 09/02/2008 |
| 7419364 | Nose cone for a turbomachine A nose cone for a turbomachine, such as a turbojet in particular, the cone being mounted on the end of a shaft carrying fan blades and being associated with a controlled axial displacement mechanism, thereby making it possible to modify the axial position of the con... | 09/02/2008 |
| 7364118 | Propulsion arrangement In order to achieve greater operational efficiency a propulsive arrangement is provided in which a relatively large number of small propulsive assemblies 9; 31, 32, 33 are provided in aircraft structures in particular the wing 7; 30. The assemblies ... | 04/29/2008 |
| 7322179 | Air intake and method for breathing air using an air intake An air intake includes a spike and a cylindrical cowl. The spike is composed of a plurality of plates which are arranged axial symmetrically around a central axis thereof, and the cowl includes an inner wall parallel to the central axis and is formed so as to enclos... | 01/29/2008 |
| 7222819 | Aircraft ram air inlet with multi-member closure flap A ram air inlet includes a channel with an intake in a wing leading edge, front and rear flaps arranged in the channel for selectively closing or opening the channel, and an actuator connected to the flaps. A front end of the front flap is pivotably connected by a f... | 05/29/2007 |
| 7181914 | Diffuser for gas turbine engine A gas turbine engine pre-diffuser 40 is generally annular, including radially inner and radially outer walls 40 and 42 and a generally cylindrical midline 48 defined between the walls. The pre-diffuser 40 includes a central member ... | 02/27/2007 |
| 7165744 | Turbine engine arrangements A fan turbine engine arrangement is provided in which a core engine is aligned such that an input of a nacelle is aligned with the upwash of a wing to which the arrangement is secured. The engine drives a fan such that bypass flows produced by the fan are guided by ... | 01/23/2007 |
| 7159818 | Multi-spectral air inlet shield and associated inlet structure A multi-spectral shield and associated inlet structure is provided for reducing the signature of an air inlet port defined within an exterior wall of an aircraft, ship, or land-based vehicle across radar and infrared wavelengths. The multi-spectral inlet shield incl... | 01/09/2007 |
| 7142821 | Radio frequency transmitting and receiving module and array of such modules A radio frequency transmitting and receiving module having a support housing that has a hexagonal face member mounted to the support housing. This face member has an antenna for transmitting and receiving radio frequency signals. Mounted within the support housing i... | 11/28/2006 |
| 7121128 | Method of manufacturing elliptic deep-drawn products A method of manufacturing an elliptic deep-drawn product including a first step of providing an intermediate product and a second step of providing an end product. In the first step, a rotary forming die is used to form in a blank a substantially round formed portio... | 10/17/2006 |
| 7051509 | Apparatus for reducing foreign object debris ingestion into aircraft engines Apparatus and methods for reducing foreign object debris ingestion into aircraft engines. The apparatus includes a door disposed at a forward end portion of a housing portion of the engine. The door is movable with respect to the engine between a first position in w... | 05/30/2006 |
| 7048229 | Low sonic boom inlet for supersonic aircraft All-internal compression inlets for supersonic aircraft, with variable geometry systems and shock stability bleed systems provide high performance, large operability margins, i.e. terminal shock stability that reduces the probability of inlet unstart, and contribute... | 05/23/2006 |
| 6990798 | Hybrid inlet A turboprop powerplant with at least a compressor having a forward compressor inlet and a shaft extending axially through the compressor and having a shaft axis, an inlet duct encircling the shaft passing therethrough, the inlet duct having an aft end in gas communi... | 01/31/2006 |
| 6959552 | Gas turbine inlet flow straightener A radial inlet assembly comprising a radial inlet adapted to be in fluid communication with a compressor, and a restricting member covering the radial inlet and receiving a circumferentially asymmetric airflow, the restricting member partially blocking the airflow a... | 11/01/2005 |
| 6938854 | Integrated and/or modular high-speed aircraft An integrated and/or modular high-speed aircraft and method of design and manufacture. The aircraft can have a supersonic or near-sonic cruise Mach number. In one embodiment, the aircraft can include an aft body integrated with a delta wing and a rearwardly tapering... | 09/06/2005 |
| 6920890 | Airflow controller The invention provides an airflow controller for a propulsion inlet system including a bleed section having two or more bleed plenum chambers, each of the chambers having a porous inlet surface and an exit surface and two or more plates slidably mounted to the bleed... | 07/26/2005 |
| 6910327 | Apparatus and methods for varying inlet lip geometry of a jet engine inlet Apparatus for varying inlet lip geometry of a inlet formed at forward end portion of a jet engine housing. In one embodiment, the apparatus includes a variable camber skin portion hingedly coupled to the forward end portion of the housing. The apparatus also include... | 06/28/2005 |
| 6901737 | Air intake for an auxiliary power unit in an aircraft An air intake for an aircraft forms a first airflow channel (8) for feeding fresh air into the aircraft, and a second airflow channel (2) for feeding cooling air to an auxiliary power unit (AP). These first and second airflow channels are so positioned... | 06/07/2005 |
| 6817572 | Air intake system of a propeller-turbine engine An air intake system of a propeller-turbine engine with a propeller gearbox 1 in in-line arrangement, includes one or more intake units 3 arranged essentially below a nacelle fairing 2 of the propeller-turbine engine with each intake unit 3 | 11/16/2004 |
| 6793175 | Supersonic external-compression diffuser and method for designing same A supersonic external-compression inlet comprises a generally scoop-shaped supersonic compression section for diffusing a supersonic free stream flow. The supersonic compression section includes a main wall having a leading edge and a throat portion downstream of th... | 09/21/2004 |
| 6764043 | Rotatable scarf inlet for an aircraft engine and method of using the same A rotatable scarf inlet for an engine and a method of operating a jet aircraft engine on an aircraft. The rotatable scarf inlet is rotatably supported at a forward end portion of a nacelle of the engine. The rotatable scarf inlet is controllably rotatable relative t... | 07/20/2004 |
| 6746207 | Turboprop aircraft engine A turboprop aircraft engine includes at least one outer air intake 1 and at least one downstream inner duct system 2 for the delivery of air to a compressor, and the inner duct system 2 spirals around the center axis 3 of the engine. ... | 06/08/2004 |
| 6708711 | Air inlet for commercial aircraft jet engine nacelle An air inlet is of a scarf type and the internal profile of the upper sections of its lip includes, with respect to the identical and symmetrical horizontal sections of the lip, an internal bulge that is bigger for a larger scarf angle and that is a maximum at the u... | 03/23/2004 |
| 6698180 | Particle separator for a turbine engine A particle separator for use with a turbine engine is arranged to divide a flow of air into a radially inner air flow and a radially outer air flow. The particle separator is further arranged to separate inner particles from the inner air flow to allow ai... | 03/02/2004 |
| 6637187 | Rotary inlet flow controller for pulse detonation combustion engines A rotary inlet flow controller, with one or more open ducts extending therethrough, aerodynamically controls the amount and velocity of the flow of air to combustion chambers of pulse detonation engines, or other engines, without imposing large cyclic air... | 10/28/2003 |
| 6634595 | Method and apparatus for controlling aircraft inlet air flow Methods and apparatus for controlling aircraft inlet air flow. The apparatus can include an external flow surface having a forward portion, and an engine inlet positioned at least proximate to the external flow surface and aft of the forward portion. The ... | 10/21/2003 |
| 6584764 | Propulsion module A propulsion module including a wave rotor detonation engine having a rotor with a plurality of fluid flow channels. The fluid flow channels extend between an inlet rotor plate, which has a pair of fixed inlet ports, and an outlet rotor plate, which has a... | 07/01/2003 |
| 6508052 | Particle separator An attachment for the air intake of a gas turbine engine includes a plurality of particle separators. The particle separators cooperate to define an attachment axis and are spaced circumferentially about the attachment axis. Each particle separator includ... | 01/21/2003 |
| 6337011 | Pour point depression unit using mild thermal cracker A method for lowering the cloud/pour point of a waxy crude oil in locations where size and/or weight of the facility may need to be limited (i.e. arctic zones and offshore). The major components of the system comprise a fractionation/quench tower and a re... | 01/08/2002 |
| 6270309 | Low drag ducted Ram air turbine generator and cooling system A low drag ducted ram air turbine generator and cooling system is provided. The ducted ram air turbine generator and cooling system has reduced drag while extracting dynamic energy from the air stream during the complete range of intended flight operating... | 08/07/2001 |
| 6260567 | Mission adaptive inlet A mission adaptive inlet (42) for an aircraft (40) has a rigid lip panel (56) pivotally attached to an inlet (42) of the aircraft (40). An actuation mechanism is coupled to the rigid lip panel (56) and causes the rigid lip panel (56) to pivot from a first... | 07/17/2001 |
| 6231006 | Mission adaptive inlet A mission adaptive inlet (42) for an aircraft (40) has a rigid lip panel (56) pivotally attached to an inlet (42) of the aircraft (40). An actuation mechanism is coupled to the rigid lip panel (56) and causes the rigid lip panel (56) to pivot from a first... | 05/15/2001 |
| 6142417 | Self-deploying air inlet for an air breathing missile A self-deploying inlet for an air breathing missile including an inlet body having a natural shape which defines a deployed condition for the air inlet, wherein an air deflecting surface is provided thereby. The inlet body is made from a material having a... | 11/07/2000 |
| 6089505 | Mission adaptive inlet A mission adaptive inlet (42) for an aircraft (40) has a rigid lip panel (56) pivotally attached to an inlet (42) of the aircraft (40). An actuation mechanism is coupled to the rigid lip panel (56) and causes the rigid lip panel (56) to pivot from a first... | 07/18/2000 |
| 6050527 | Flow control device to eliminate cavity resonance A flow control device and method for eliminating flow-induced cavity resonance within a closed or nearly closed end flow passage (20) having an inlet opening (30) defined between an upstream inlet edge (32) and a downstream inlet edge (34). The passage ac... | 04/18/2000 |
| 5967169 | Air intake for engines The air intake for air-breathing engines for supersonic flight velocities, especially ram jet engines and ram rocket engines of missiles, with an essentially rectangular intake contour, has a closing flap covering the said intake contour and an actuating ... | 10/19/1999 |
| 5915403 | Biplanar scarfed nacelle inlet In a scarfed nacelle inlet for channeling airflow to an engine having a longitudinal center line axis (ENGINE C/L), the duct including a crown (26) and a keel (28), an improvement including an inlet with a biplanar forward hilite. When viewed in side elev... | 06/29/1999 |
| 5913808 | Turbine engine intake with gas mixer An inlet gas mixing element for a gas turbine engine, comprising a gas intake duct 10, and downstream of the inlet duct a mixing element 22, the mixing element being so disposed in relation to the inside of the duct so as to rotate thereby urging the forc... | 06/22/1999 |
