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| Number | Title | Issue Date |
| 8087249 | Turbine cooling air from a centrifugal compressor A gas turbine engine turbine cooling system includes an impeller and a diffuser directly downstream of the impeller, a bleed for bleeding clean cooling air from downstream of the diffuser, and one or more channels in fluid communication with the bleed. Each of the c... | 01/03/2012 |
| 7797941 | Gas turbine engine systems involving hydrostatic face seals Gas turbine engine systems involving hydrostatic face seals are provided. In this regard, representative compressor assembly for a gas turbine engine includes a compressor having a hydrostatic seal formed by a seal face and a seal runner. ... | 09/21/2010 |
| 7681397 | Heat engine A heat engine, includes at least one Liquid Ring Rotating Casing Compressor (LRRCC) having a fluid inlet and a fluid outlet, a combustion chamber in fluid communication with the output of the LRRCC, and at least one expander having a fluid inlet and a fluid outlet. ... | 03/23/2010 |
| 7628018 | Single stage dual-entry centriafugal compressor, radial turbine gas generator A compact, single shaft gas turbine gas generator uses a high pressure ratio dual-entry single stage centrifugal compressor, can combustors, and a radial inflow turbine with the compressor configured to achieve an overall pressure ratio of about 12:1 or greater and ... | 12/08/2009 |
| 7434400 | Gas turbine power plant with supersonic shock compression ramps A gas turbine engine. The engine is based on the use of a gas turbine driven rotor having a compression ramp traveling at a local supersonic inlet velocity (based on the combination of inlet gas velocity and tangential speed of the ramp) which compresses inlet gas a... | 10/14/2008 |
| 7404286 | Orbiting combustion nozzle engine An orbiting combustor nozzle (OCN) engine, having a rotating assembly comprising a co-rotating compressor and nozzle wheel enclosed within a non-rotating outer casing, defining a rotating combustion chamber, is disclosed. Combustion occurs in the combustion chamber ... | 07/29/2008 |
| 7305832 | Work extraction arrangement A work extraction arrangement (10) comprises a cooling assembly (12) for cooling a gas to provide a working fluid capable of doing work. The arrangement (10) further includes storage means (14) for storing the working fluid and a turbine ... | 12/11/2007 |
| 7299619 | Vaporization of liquefied natural gas for increased efficiency in power cycles A gas turbine cycle that utilizes the vaporization of liquefied natural gas as a source of inlet air chilling for a gas turbine. The cycle uses regeneration for preheating of combustor air and offers the potential of gas turbine cycle efficiencies in excess of 60%. ... | 11/27/2007 |
| 7287384 | Bearing chamber pressurization system A method and device for improved pressure balancing in a bearing chamber pressurization system for gas turbine engines employ a partition member to substantially separate first and second air-oil seals of the bearing housing. ... | 10/30/2007 |
| 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 |
| 7278472 | Internally mounted radial flow intercooler for a combustion air changer An improved combustion air charger, such as a turbocharger or a supercharger, includes a housing (10) having a rotary shaft (18) journalled therein. At least one compressor wheel (20,22) is located on the shaft (18). The housing (10 | 10/09/2007 |
| 7188475 | Starting and controlling speed of a two spool gas turbine engine Two spool gas turbine engines are often used to drive variable speed loads, such as an electric generator, or the fan/propeller of aircraft engines. The gas turbine engine must be designed to withstand transient speed and temperature conditions which are encountered... | 03/13/2007 |
| 7159402 | Vortex reducer in the high-pressure compressor of a gas turbine A tube-type vortex reducer for the conduction of cooling air in a compressor 1 of a gas turbine with at least one radial secondary air tube 2 arranged in a disk interspace 3, includes a deflector arranged in a discharge area of the secondary air... | 01/09/2007 |
| 7156613 | Arrangement for bearing relief in a gas turbine In a gas turbine, the compressor load is reduced and the turbine load is increased for controlled bearing load reduction by forming a low-pressure chamber (8) that is shielded from the compressor air at the compressor (1) and a high-pressure chamber ( | 01/02/2007 |
| 7155912 | Method and apparatus for storing and using energy to reduce the end-user cost of energy The invention relates to an energy storing method and apparatus for use by end-users of energy, such as commercial property owners and operators. The system differs from past systems, insofar as it is not intended to be used by and in connection with energy supplier... | 01/02/2007 |
| 7143573 | Gas turbine set A gas turbine set, with a cooling air system through which at least one cooling air mass flow flows from a compressor to thermally highly loaded components of the gas turbine set. Pressure increasing ejectors are arranged in a cooling air duct of the cooling air sys... | 12/05/2006 |
| 7096667 | Control of gas turbine for catalyst activation A catalytic gas turbine includes a compressor, a catalytic combustor, a turbine, and a flow path conducting a bypass portion of the compressed air around the combustor and turbine. A method of operating the catalytic gas turbine to activate a catalyst in the catalyt... | 08/29/2006 |
| 7096674 | High thrust gas turbine engine with improved core system A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a first drive shaft; a booster compressor positioned downstream of and ... | 08/29/2006 |
| 7093446 | Gas turbine engine having improved core system A gas turbine engine having a longitudinal centerline axis therethrough, including: a fan section at a forward end of the gas turbine engine including at least a first fan blade row connected to a drive shaft; a booster compressor positioned downstream of the fan se... | 08/22/2006 |
| 7094024 | Performance and durability improvement in compressor structure design An integral assembly that may improve control over thermal and mechanical behaviors of assembly structures during various transient operation conditions is disclosed. The integral assembly comprises a continuous ring disposed coaxial with, and orthogonal to a centra... | 08/22/2006 |
| 7065953 | Supercharging system for gas turbines A supercharging system for gas turbine power plants (11). The system includes a supercharging fan (30, 32) and controller (50) for limiting turbine power output to prevent overload of the generator (28) at lower ambient temperatures. The ... | 06/27/2006 |
| 7066126 | Fuel supply system and method of direct fuel injection engine To perform fuel injection under fuel pressure as high as needed in an operation range of from cranking to self-sustaining operation via full expansion. A fuel supply fuel system for a direct fuel injection type internal combustion engine is provided with a hi... | 06/27/2006 |
| 7063515 | Radial fan An air compressor includes a valve plate with cooling fins and a piston also having cooling fins. The valve plate includes an integral and angled valve plate outlet. The angling of the valve plate outlet reduces turbulence and improves compressed air flow. The pump ... | 06/20/2006 |
| 7044718 | Radial-radial single rotor turbine A rotor for use in turbine applications has a radial compressor/pump having radially disposed spaced apart fins forming passages and a radial turbine having hollow turbine blades interleaved with the fins and through which fluid from the radial compressor/pump flows... | 05/16/2006 |
| 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 |
| 7024860 | Gas-turbine installation In a gas-turbine installation according to the invention there is provided, in order to increase the compressor mass flow, a separate turbo-compressor which is connected in parallel to the compressor of the gas turbine and which is preferably operated by means of an... | 04/11/2006 |
| 6968697 | Integral compressor housing of gas turbine engines A turbine engine compressor design utilizing multiple component integration, thereby reducing the number of required engine components. In conventional compressor designs, a multiple component system makes it difficult to predict the structural behaviors due to ther... | 11/29/2005 |
| 6959546 | Method and apparatus for energy generation utilizing temperature fluctuation-induced fluid pressure differentials A method and apparatus for producing energy is provided for generating renewable energy. Captive compressed fluid cycles between two coupled containers through a motive power source. The captive compressed fluid flows between the containers in response to a differen... | 11/01/2005 |
| 6920759 | Cold heat reused air liquefaction/vaporization and storage gas turbine electric power system An energy storage gas-turbine electric power generating system includes a liquid air storage tank for storing liquid air, a vaporizing facility for vaporizing the liquid air stored in the liquid air storage tank, a combustor for generating a combusted gas by combust... | 07/26/2005 |
| 6880343 | Supercharged gas turbine with improved control A gas-turbine supercharging system with improved control. A gas-turbine supercharger that preferably comprises a variable-pitch axial flow fan and a logger supplies, cooled, pressurized air to a gas-turbine power plant. The gas-power plant is preferably a part of co... | 04/19/2005 |
| 6865891 | Gas turbine engine A gas turbine engine (10) comprises a first compressor (16), a combustor (22) and a first turbine (24) arranged in flow series. The first turbine (24) is arranged to drive the first compressor (16). The first compressor (... | 03/15/2005 |
| 6786034 | Flow machine and process of operation A flow machine is shown with a compressor and at least one turbine, and in which an air intake booster is arranged in an intake duct of the compressor, and an exhaust gas booster is arranged in an exhaust gas duct of the at least one turbine. In operation of the flo... | 09/07/2004 |
| 6672069 | Method and device for increasing the pressure of a gas A method in which an air mass flow supplied to a compressor in a power plant is divided in a flow divider into a small partial flow and into a larger partial flow. The smaller partial flow is supplied to an ejector via an air cooler and a booster. The lar... | 01/06/2004 |
| 6672065 | Multiple stage compressor with rotors using rollers A multistage compressor assembly containing at least two guided rotor compressor stages, each of which contains an eccentric mounted on a shaft located within a housing, a rotor mounted on the eccentric shaft which contains at least three intersecting fac... | 01/06/2004 |
| 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 |
| 6644012 | Gas turbine set For supporting the cooling of an air-cooled gas turbine set, it is proposed to arrange, in the cooling air ducts of the cooling system, means for increasing the pressure of the flowing cooling air. In an embodiment, the cooling system (17) is supplied wit... | 11/11/2003 |
| 6584779 | Combustion turbine cooling media supply method A land based gas turbine apparatus includes an integral compressor; a turbine component having a combustor to which air from the integral compressor and fuel are supplied; and a generator operatively connected to the turbine for generating electricity; wh... | 07/01/2003 |
| 6530224 | Gas turbine compressor inlet pressurization system and method for power augmentation A cycle for producing pressurized gas turbine inlet conditions by capturing gas turbine exhaust waste heat, converting the heat into steam energy and applying the steam energy to drive a variable speed, supercharging fan located at the gas turbine inlet. ... | 03/11/2003 |
| 6526758 | Method and apparatus for power augmentation for gas turbine power cycles A land based gas turbine plant includes a turbine compressor, a turbine section, and a combustor between the compressor and the turbine section. A heat recovery boiler incorporating at least one heat exchange section is arranged to receive exhaust gas fro... | 03/04/2003 |
| 6519943 | Engine stall and distortion suppression system A method for equalizing fluid pressure in a primary fluid flow region, comprised of providing a modulating fluid flow region adjacent to the primary flow region and separating the two regions with a perforated wall. By controlling the fluid pressure in th... | 02/18/2003 |
