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| Number | Title | Issue Date |
| 8176720 | Air cooled turbine component having an internal filtration system A centrifugal particle separator is provided for removing particles such as microscopic dirt or dust particles from the compressed cooling air prior to reaching and cooling the turbine blades or turbine vanes of a turbine engine. The centrifugal particle separator s... | 05/15/2012 |
| 8141334 | Apparatus and filtering systems relating to combustors in combustion turbine engines A combustor for a combustion turbine engine that includes: a chamber defined by an outer wall and forming a channel between windows defined through the outer wall toward a forward end of the chamber and at least one fuel injector positioned toward an aft end of the ... | 03/27/2012 |
| 8117820 | Jet engine intake deflector system A jet engine intake deflector system for preventing foreign objects from entering the intake of a jet engine. The jet engine intake deflector system generally includes an air intake frame, a plurality of fins and a deflection member. The air intake frame is generall... | 02/21/2012 |
| 8015787 | Clustered inlet particle separator A particle separator for a gas turbine engine is disclosed. The particle separator includes flow dividers operable to divide flow in a gas turbine engine particle separator and flow scavengers operable to scavenge flow in a gas turbine engine particle separator.... | 09/13/2011 |
| 7963094 | Fragmentor for bird ingestible gas turbine engine In an aircraft turbofan or turbojet engine including a fan blade assembly mounted thereon rotating about the central axis of the engine, there are provided aerodynamically profiled rotating cutting rings arranged concentrically to the engine axis upstream of the fan... | 06/21/2011 |
| 7895818 | Method for detecting ice ingestion in a gas turbine engine A method of detecting an ice shedding event in a gas turbine engine, the engine having a rotor comprising a compressor drivingly connected via a shaft to a turbine; the method for detecting an ice shedding event comprising the steps of measuring the temperature at r... | 03/01/2011 |
| 7891163 | Engine In prop fan and contra fan gas turbine engines particularly utilized with regard to pusher configurations towards the aft of an aircraft, there is a significant problem with regard to debris and bird strikes resulting in particulate matter which may damage the engin... | 02/22/2011 |
| 7658061 | Gas turbine engine provided with a foreign matter removal passage To provide a gas turbine engine which is simple in structure but can effectively remove foreign matters from the combustion air. The intake passage 21 includes an inlet portion 29, a curved portion 30 and a reduced diameter portion 31 | 02/09/2010 |
| 7596938 | Turbomachine with a deflector system A turbomachine front portion includes an internal support shroud for the fan outlet guide vanes, and a flow splitter fairing from which a primary duct and a secondary duct originate. The front portion includes at least one deflector system configured to prevent/limi... | 10/06/2009 |
| 7422611 | Single/multiple guard(s)/cap(s) and/or screen(s) with engine attached apparatus and/or pole with rotational system(s)-centrifuge chamber/manifold particle collector This invention relates in general to a guard(s)/cap(s) and/or screen(s) apparatus (single and/or multiple formation) for the nacelle/air inlet for numerous jets, turbojet, turboprop and turboshaft engines—(Helicopters and other VTOL/VSTOL aircraft) such as power p... | 09/09/2008 |
| 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 |
| 7353656 | Method and apparatus for achieving power augmentation in gas turbines using wet compression A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar,... | 04/08/2008 |
| 7353655 | Method and apparatus for achieving power augmentation in gas turbine using wet compression A gas turbine unit as well as a method for operating a gas turbine with high-pressure turbine and a low-pressure turbine unit are disclosed. A very quick and at the same time easily controllable augmentation or reduction of the shaft power of the gas turbine unit ca... | 04/08/2008 |
| 7353654 | Method and apparatus for achieving power augmentation in gas turbines using wet compression A gas turbine unit and method of operation thereof are disclosed. A very quick and easily controllable augmentation or reduction of shaft power produced by the gas turbine unit, in particular of large gas turbine units exhibiting a pressure ratio larger than 15 bar,... | 04/08/2008 |
| 7331421 | Flow restrictors for aircraft inlet acoustic treatments, and associated systems and methods Flow restrictors for aircraft inlet acoustic cores, and associated systems and methods are disclosed. A system in accordance with one embodiment of the invention includes an inlet flow surface having multiple openings, and an acoustic treatment positioned adjacent t... | 02/19/2008 |
| 7332007 | Dusting device with multiple stream nozzles A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is possible through the use of intensively acting multipl... | 02/19/2008 |
| 7326031 | Access port for dirt removal for gas turbine engine A gas turbine engine is provided with a dirt separator placed in a path of the radially outer cooling air flow, and includes a radially outer leg that defines a space to capture dirt or other impurities. An access port is provided in a turbine engine case in an area... | 02/05/2008 |
| 7296395 | Engine inlet air particle separator with active flow control An engine inlet air particulate separator that uses zero mass active flow control devices, and methods of using the same, are provided. The separator has a separator body that has an arcuate portion with a bight region. The separator body may have an angle α betwee... | 11/20/2007 |
| 7284953 | Dirt separator for gas turbine air supply A gas turbine engine is provided with a radially outer cooling air flow. A dirt separator is placed in the path of the radially outer cooling air flow, and includes a radially outer leg that defines a space to capture dirt or other impurities. A radially inner leg o... | 10/23/2007 |
| 7192462 | Engine air filter and sealing system An air induction system for an engine to remove contaminants from intake air prior to delivery to the engine. The system includes an assembly for filtering air which is mounted in advance of the engine, and a duct for delivering air from the assembly to the engine. ... | 03/20/2007 |
| 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 |
| 7160345 | Single/multiple guard(s)/cap(s) and/or screen(s) with engine attached apparatus and/or pole with rotational system(s)-centrifuge chamber/manifold particle collector This invention relates in general to a guard(s)/cap(s) and/or screen(s) apparatus (single and/or multiple formation) for the nacelle/air inlet for numerous jets, turbojet, turboprop and turboshaft engines—(Helicopters and other VTOL/VSTOL aircraft) such as power p... | 01/09/2007 |
| 7096627 | Rain head A rain head is disclosed having three filters through which water entering an inlet to the rain head must pass before passing out through an outlet from the rain head. The filters remove successively smaller particles from the water. ... | 08/29/2006 |
| 7077887 | Low pressure impact separator for separation, classification and collection of ultra-fine particles Impact type gas-particle separation is applied to ultra-fine particles by judiciously altering the aerodynamic drag on the particles with respect to their inertia by operation at sub-atmospheric pressures. An impact separator has a housing having a channel in which ... | 07/18/2006 |
| 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 |
| 6994738 | Snow filter A snow filter for an airplane cabin air supply system is provided with a coned inlet screen which allows some air to pass through and some snow to be retained. The coned configuration diverts much of the air and snow toward a downstream conical retaining and collect... | 02/07/2006 |
| 6986256 | Gas turbine having a cooling air system and a spray air system A gas turbine has a cooling air system supplying air for cooling a high temperature part of the gas turbine and a spray air system supplying air for spraying fuel into a combustor and is formed so that a part of high-pressure air compressed by a gas turbine compress... | 01/17/2006 |
| 6938405 | Spray nozzle grid configuration for gas turbine inlet misting system The mister includes a plurality of manifolds extending between opposite sides of a duct. Each manifold carries a plurality of nozzles at laterally spaced positions along the length of the manifold. The manifolds are spaced one behind the other in the direction of ai... | 09/06/2005 |
| 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 |
| 6872232 | Engine with upstream and rotationally attached guard This invention relates in general to a guard(s)/cap(s) and/or screen(s) apparatus (single and/or multiple formation) for the nacelle/air inlet for numerous jets, turbojet, turboprop and turboshaft engines—(Helicopters and other VTOL/VSTOL aircraft) such as power p... | 03/29/2005 |
| 6766636 | Gas turbine intake air filter unit The invention provides a gas turbine intake air filter unit, wherein flow resistance of intake air passing through a tertiary filter layer does not become unreasonably great despite the filter layers are increased from two stages to three stages, and a balance of co... | 07/27/2004 |
| 6763651 | Active system for wide area suppression of engine vortex The active system for the wide area suppression of a ground vortex generated by the engine of an aircraft includes an actuator assembly in fluid communication with a fluid source; and, at least one nozzle assembly, including at least one movable nozzle. The movable ... | 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 |
| 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 |
| 6622475 | Bleed system driven in simplified manner for a turbojet or turboprop engine A bypass gas turbine engine having an intermediate structural casing positioned between a primary flow path and a bypass flow path, and configured between a low pressure compressor and a high pressure compressor. The engine further having a bleed device a... | 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 |
| 6598384 | Intake shield for gas turbine engines An intake shield (3) comprises a hollow chamber (4) which locates over the intake (2) of a gas turbine engine (1). The chamber (4) has one or more walls (5) which are pervious to air but impervious to vortices and debris.... | 07/29/2003 |
| 6595742 | Aircraft engine air filter and method A barrier filter for use in an helicopter to remove contaminants from intake air prior to delivery to an engine. The helicopter has an intake and a peripheral external surface adjacent to the intake. The filter includes a pleated filter element mounted fl... | 07/22/2003 |
| 6536202 | Jet engine having compressed air net preventing inhalation of objects to prevent FOD A jet engine comprises a housing having an inlet. An air net device is located adjacent to the inlet cowl so as to create an air net configured by compressed air streams for adequately blowing foreign objects from entering the inlet.... | 03/25/2003 |
| 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 |
