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Class 60/785 - Air bleed


Subclass of Class 60 - Power plants
Definition: Apparatus wherein the feature is compressed atmospheric
No. of patents: 226
Last issue date: 04/24/2012


1            
NumberTitleIssue Date
8161755Heat exchanger unit for an aircraft
A propulsion system for an aircraft includes a heat exchange unit through which a hot air stream and a cooling air stream flow. The heat exchange unit includes a hot air inlet pipe situated on a rear face of the heat exchange unit, to carry the hot air stream into t...
04/24/2012
8056345Hybrid cooling of a gas turbine engine
A hybrid cooling system for a gas turbine engine includes a vapor cooling assembly and a cooling air cooling assembly. The cooling air cooling assembly is configured to remove thermal energy from cooling air used to cool a first component of the gas turbine engine. ...
11/15/2011
8024935Flush inlet scoop design for aircraft bleed air system
A bleed air duct that preferably includes an inlet section configured to include a flush scoop and a louver. The louver is located and configured such that in the desired operating flow range of the duct, the fluid entering the flush scoop is disturbed and as a resu...
09/27/2011
8015826Engine brake for part load CO reduction
Aspects of the invention relate to a system and method for operating a turbine engine assembly. The turbine engine assembly has a turbine engine having a compressor section, a combustor section and a turbine section. The combustor section has a lower T_PZ limit and ...
09/13/2011
8015825Fast acting aircraft engine bleed air check valve
An engine air supply system includes an air source, which is a gas turbine engine in one example. A component, such as an environmental control system component, is interconnected to the air source by a conduit that includes a supply flow direction. A check valve is...
09/13/2011
8015827Arrangement for controlling fluid jets injected into a fluid stream
In an air mixing arrangement wherein a primary fluid is introduced through an opening in a wall to be mixed with a secondary fluid flowing along the wall surface, the opening is airfoil shaped with its leading edge being orientated at an attack angle with respect to...
09/13/2011
8001789Utilizing inlet bleed heat to improve mixing and engine turndown
An improved inlet bleed heat system for a gas turbine engine is disclosed. The inlet bleed heat system provides improved mixing in an inlet region while permitting the engine to be operated at lower power settings. The inlet bleed heat system comprises a supply cond...
08/23/2011
7966831Apparatus and method for suppressing dynamic pressure instability in bleed duct
An apparatus and method for suppressing dynamic instability in a bleed duct of a gas turbine engine includes a fan bypass duct configured to permit a flow of air through the gas turbine engine. The fan bypass duct defines a fan duct surface, and the bleed duct has a...
06/28/2011
7926290Turbine engine with modulated flow fan and method of operation
A gas turbine engine includes a turbomachinery core operable to generating a flow of pressurized combustion gases; a rotating fan adapted to extract energy from the core and generate a first flow of pressurized air; a fan stator assembly connected in flow communicat...
04/19/2011
7841186Inlet bleed heat and power augmentation for a gas turbine engine
An inlet bleed heat and power augmentation system utilizing a bi-directional and common piping arrangement is disclosed. The piping arrangement includes a plurality of feed tubes arranged to communicate either steam to a compressor discharge plenum or compressed air...
11/30/2010
7841187Turbomachine comprising a system for cooling the downstream face of an impeller of a centrifugal compressor
A turbomachine comprising a diffuser—distributor assembly comprising a downstream end-piece connected at its downstream end to means for injecting air for ventilating a turbine and delimiting with the impeller of a centrifugal compressor an annular cavity for the ...
11/30/2010
7823390Mixer for cooling and sealing air system of turbomachinery
A system is provided for directing air from plural compressor ports to provide cooling and/or sealing air to an associated turbine site. A first flow from a pressure stage of the compressor has a first pressure and temperature. A second flow from another pressure st...
11/02/2010
7788931Air-bleed gas turbine
An air-bleed gas turbine includes a compressor; a combustor; a turbine; and an air bleed portion by which compressed air, which is supplied from the compressor to a circular space that surrounds the combustor, is partially supplied to a device outside the air-bleed ...
09/07/2010
7762083Gas turbine plant and gas turbine power generator plant
In a gas turbine plant and a gas turbine power generator plant, as a device of reducing the heat transfer from the gas turbine to the compressor, for instance, an air flow path for circulating part of compressed air from the compressor toward the gas turbine is form...
07/27/2010
7752849Arrangement for controlling flow of fluid to a component of a gas turbine engine
An arrangement for controlling flow of fluid to a component of a gas turbine engine, the arrangement comprising: a conduit, coupled to a supply of fluid, for providing fluid to the component of the gas turbine engine; a magnetic valve for at least partially restrict...
07/13/2010
7721554Aircraft auxiliary gas turbine engine and method for operating
A non-aircraft-propelling auxiliary gas turbine engine installable in an aircraft having a cabin adapted to be pressurized. The auxiliary gas turbine engine includes an auxiliary-gas-turbine-engine compressor having an inlet, wherein the inlet is adapted to receive ...
05/25/2010
7707838Auxiliary power unit assembly
An embodiment of the technology described herein is an auxiliary power unit assembly. The auxiliary power unit assembly includes an auxiliary power unit being installable in an aircraft having a cabin, a duct connecting the cabin and the auxiliary power unit, and an...
05/04/2010
RE41229Methods and apparatus for regulating gas turbine engine fluid flow
A method enables a gas turbine engine to be operated. The method includes directing fluid flow from a source into an inlet of a valve, channeling the fluid flow entering an inlet portion of the valve towards an outlet portion of the valve such that a direction of th...
04/20/2010
7698898Mixer for cooling and sealing air system for turbomachinery
A system for mixing flows from a compressor is provided. The system comprises an ejector that combines a first flow and a second flow, from the compressor, into a third flow. A bypass flow is connected between the first flow and the third flow. A mixer combines the ...
04/20/2010
7661270Control apparatus for gas turbine
An exhaust-side bearing rotatably supports a rotor of a turbine. A seal air-pipe and a first air-supply pipe supply compressed air extracted from a compressor of the turbine to the exhaust-side bearing. A second air-supply pipe supplies compressed air from a supplem...
02/16/2010
7624580Device for supplying secondary air in a gas turbine engine
In a device for supplying secondary air in a gas turbine engine provided with an inner shaft (8) and a hollow outer shaft (7) coaxially nested with each other, a seal air introduction passage (71, 85, 88) is defined inside the engine for introdu...
12/01/2009
7624581Compact booster bleed turbofan
A Turbofan engine includes a fan mounted to a fan frame inside a fan nacelle. A booster compressor is joined to the fan inboard a flow splitter. A booster bleed system is disposed inside the splitter, and includes an inlet at the compressor outlet, and an outlet joi...
12/01/2009
7607308Shrouded turbofan bleed duct
A bleed duct is configured for bleeding fan air from the fan bypass duct in a turbofan aircraft engine. The bleed duct includes a tubular conduit having an inlet and outlet at opposite ends. The conduit is configured in flow area for recovering pressure from speedin...
10/27/2009
7594403Bleed off valve system
A gas turbine engine system including a plurality of bleed off doors forming a portion of a conical surface in the flow path between the low pressure compressor and the intermediate pressure compressor. A plurality of actuators are coupled to a unison ring and move ...
09/29/2009
7584619System for reducing oil consumption in gas turbine engines
A system for reducing oil usage from a sump in a gas turbine engine. Two sources of oil usage, which usage includes leakage and consumption, have been identified: (1) during idle, leakage of oil from an oil sump through seals and (2) during high-power operation, con...
09/08/2009
7555905Self-actuating bleed valve for gas turbine engine
A bleed valve for bleeding air from a compressed air chamber at start-up of a gas turbine engine is self-actuated. The bleed valve moves between open and closed positions based on the pressure within a compressed air chamber. In this manner, the bleed valve is drive...
07/07/2009
7552590Tube-type vortex reducer
A tube-type vortex reducer for the conduction of cooling air in a compressor (1) of a gas turbine, having radial secondary air tubes (2) arranged in a disk interspace (5) and attached to a compressor disk (3) at their radially outward end...
06/30/2009
7493770Methods and apparatus for regulating airflow supply systems
A check valve is provided that includes a valve housing that has a side wall and a flow path therethrough, the side wall defining the flow path. The flow path includes an inlet, an outlet, and a centerline extending between the inlet and the outlet. At least one con...
02/24/2009
7448219Hingeless flapper valve for flow control
A device for controlling fluid flow for heating or cooling an associated system is provided. The present invention includes a housing having a flow control member that includes a bendable portion. The flow control member responds automatically to a pressure conditio...
11/11/2008
7434405Bleed diffuser for gas turbine engine
A gas turbine engine includes a compressor section, a combustion section communicating with and disposed downstream of the compressor section relative to a direction of airflow, and a gas turbine section communicating with and disposed downstream of the combustion s...
10/14/2008
7409831Provision of sealing in a jet engine for bleeding air to the cabin using a tube with a double ball joint
A jet engine that provides for the sealing of bleeding air to the cabin, the air passing through a cavity delimited, on the one hand, by the external shell of the compressor and an annular structure connected to the shell, and, on the other hand, by the external cas...
08/12/2008
7406829Cryogenic liquid oxidizer cooled high energy system
A high energy system comprising a high energy electrical device powered by an electrical generator both of which are cooled by a cryogenic liquid oxidant stored in a storage tank. A power turbine powered by a combustor using fuel and the oxidant drives the electrica...
08/05/2008
7372175Two-spool bypass turbojet with a rear electricity generator, and an air flow connection device and system
A two-spool bypass turbojet includes a low-pressure spool having a rear portion carrying a low-pressure turbine provided with a low-pressure rotor. The turbojet includes a support structure connected to a casing and to a rear bearing in which the rotor is mounted. T...
05/13/2008
7364404Turbomachine with fluid removal
A turbomachine includes at least one rotor (6), at least one stator (7), and a casing (1), with the rotor (6) comprising several rotor blades (8) attached to a rotating shaft, and with the stator (7) being provided with stat...
04/29/2008
7353654Method 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
7353656Method 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
7353655Method 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
7340880Compressed air bypass valve and gas turbine
It is the objective of the present invention to enable smooth rotation of the grid plate and normal operation of the bypass valve, regardless of the operational state of the gas turbine. The bypass valve according to the present invention is provided with a frame, w...
03/11/2008
7334412Cooling air and injected liquid system for gas turbine blades
The invention relates to a turbine 1, in particular a gas turbine, which along a swivel-mounted rotationally symmetrical rotor 2 has a compressor 3, a combustion chamber 5 and a turbine section 7 formed of a plurality of turbine st...
02/26/2008
7334423Dual mode condensing cycle
An air conditioning system is provided that includes first and second turbines and a compressor. The second turbine is in fluid communication with a pack outlet. A passage fluidly connects the first turbine and the pack outlet. A valve is associated with the passage...
02/26/2008
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