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| Number | Title | Issue Date |
| 8097972 | Gas turbine with magnetic shaft forming part of a generator/motor assembly A gas turbine engine including a first shaft being one of a main shaft concentrically mounted to at least one turbine rotor and a tower shaft directly driven by the main shaft and extending generally radially therefrom, the first shaft having a reduced diameter port... | 01/17/2012 |
| 8063501 | Gas turbine bleed energy recovery via counter rotating generator A gas turbine engine includes a main compressor section for compressing air, a main combustor section positioned downstream of the main compressor section, a main turbine section positioned downstream of the main combustor section, and a spool extending from the mai... | 11/22/2011 |
| 8049353 | Stackable generator arrangement A electrical power plant with a gas turbine engine that drives two electric high speed generators connected on the two ends of the engine rotor shaft in a direct drive relation without the need for a gear box. The high speed generators can be of the same or differen... | 11/01/2011 |
| 8039983 | Systems and methods for providing AC power from multiple turbine engine spools Systems and methods for providing AC power from multiple turbine engine spools are disclosed. A system in a particular embodiment includes a turbofan engine having a compressor, a first turbine and a first shaft connected between the compressor and the first turbine... | 10/18/2011 |
| 8039984 | System for converting solar radiation into electricity A system is provided for converting thermal energy derived from a solar field into electricity. The system is adapted to operate in accordance with at least two modes of operation, depending upon the thermal energy intake, and comprises: a first power generation sub... | 10/18/2011 |
| 8026624 | Turbojet comprising a current generator mounted in the fan and a method of mounting said generator in the fan A twin-spool gas turbine turbojet comprising a high-pressure rotor; a low-pressure rotor; a low-pressure rotor shaft connected to a fan housed in a fan casing; and a fixed cowl element centered on the axis of the engine, upstream of the fan, on which there is mounte... | 09/27/2011 |
| 8004102 | Refrigeration generation method and system The present invention provides a method and apparatus for generating refrigeration in a process operating at sub-ambient temperatures in which the refrigeration is generated by a turboexpander. The turboexpander is coupled to a generator controlled so that its speed... | 08/23/2011 |
| 7973422 | Device for producing electrical power in a two-spool gas turbine engine A device for producing electrical power in a multi-spool gas turbine engine is disclosed. The device includes at least one first rotary spool and a second rotary spool which drives an electrical machine. The electrical machine is of the twin-rotor type with a first ... | 07/05/2011 |
| 7973421 | Jet engine comprising an integrated electric motor/generator unit A jet engine, in particular for an aircraft, having a high-pressure compressor that is situated inside a compressor housing, the high-pressure compressor having blade elements that, through their rotational motion, compress air flowing into the high-pressure compres... | 07/05/2011 |
| 7964982 | Axial in-line turbomachine A turbomachine has a housing defining an axis and having an axially outwardly directed first end wall. A shaft rotatable about the axis inside the housing has a first end projecting axially from the housing. An electric rotor is provided on the shaft, and an electri... | 06/21/2011 |
| 7948105 | Turboalternator with hydrodynamic bearings This invention provides a small, high efficiency, oil-free turbine-driven alternator (i.e. turboalternator) suitable for conversion of stored energy in a process gas to electrical power, facilitating recapture of energy during operation that would otherwise be waste... | 05/24/2011 |
| 7944072 | High-rise building hydro-electric co-generation device and method A method and a device are disclosed which are capable of collecting water at a high point of a high-rise building. The water can be stored until used. The water is allowed to run down by gravity past a hydroelectric generator to generate electricity for the occupant... | 05/17/2011 |
| 7898101 | Gas turbine engine with synthetic gas fuel A gas turbine engine used to produce electric power is supplied with a fuel from a alcohol fuel producing process. A high pressure syngas left over from the alcohol fuel producing process is passed through a small turbine to drive an electric generator and produce e... | 03/01/2011 |
| 7893554 | Turbo compounding system A turbo compounding system may include a turbo generator having a switched reluctance machine having at least one pole-matched rotor and stator pair, a single phase inverter coupled to the turbo generator and further coupled to a direct current link, an inverter cou... | 02/22/2011 |
| 7884491 | Power turbine speed control using electrical load following A power turbine speed control system for a turbo-shaft type gas turbine engine that has a gas generator compressor spool and a power turbine spool and drives an electrical generator that powers at least one electrical load by way of at least one electrical bus, comp... | 02/08/2011 |
| 7859127 | Generating method and generating system utilizing combustion exhaust gas Gas pressure and exhaust heat of the combustion exhaust gas exhausted from the internal combustion engine is effectively utilized for generating electricity. Using a turbocharger (8) having a turbine (4) that is driven by gas pressure of the com... | 12/28/2010 |
| 7781904 | Method and system for managing an electrical output of a turbogenerator The system and method manages an electrical output of a turbogenerator in accordance with multiple modes. In a first mode, a direct current (DC) bus receives power from a turbogenerator output via a rectifier where turbogenerator revolutions per unit time (e.g., rev... | 08/24/2010 |
| 7777358 | Power turbine speed control using electrical load following A power turbine speed control system for a turbo-shaft type gas turbine engine that has a gas generator compressor spool and a power turbine spool and drives an electrical generator that powers at least one electrical load by way of at least one electrical bus, comp... | 08/17/2010 |
| 7745950 | Generator-starter system for a multi-shaft engine In order to provide a high electric power for an aircraft via a generator driven by the engine, an additional free turbine is included in the hot-gas flow of the engine, which—equipped with generator-starter magnets (9) and surrounded by annularly arranged ... | 06/29/2010 |
| 7692326 | Hybrid turbocharger There is provided a hybrid turbocharger that allows easy and quick attachment/removal of a coupling attachment boss to which an end section of a coupling is attached, thereby reducing the amount of operation time required for an overhaul of the turbocharger. The hyb... | 04/06/2010 |
| 7692327 | Power generating plant During operation of a power generating plant, which essentially comprises a gas turbogroup, a compressed air accumulator, an air turbine which is equipped with at least one generator, the compressed air which is extracted from the compressed air accumulator is direc... | 04/06/2010 |
| 7683499 | Natural gas turbine generator A turbine generator utilizing a passive high pressure fluid source such as a natural gas well head. The generator includes a core and lead wires encapsulated in a dielectric medium to isolate current-bearing components from the motivating fluid, thereby preventing c... | 03/23/2010 |
| 7656054 | Turbine engine with an alternator and method for transmitting movement to an alternator A twin-spool turbine engine includes a low-pressure rotor and a high-pressure rotor, an alternator, including an inductor winding and an armature, the high-pressure rotor rotating the inductor winding of the alternator. The armature is mounted so as to rotate and th... | 02/02/2010 |
| 7646106 | Turbine assembly for generating electricity in vehicles A system for generating electricity from the rotational movement of wheels of a vehicle incorporates a turbine assembly, a wheel assembly, and an apparatus for storing electricity. The turbine assembly is disposed within the wheel assembly. The turbine assembly is c... | 01/12/2010 |
| 7638892 | Generating energy from fluid expansion Some embodiments of a fluid expansion system include a turbine generator apparatus in which the driven member is arranged on the outlet side of the turbine wheel. In such circumstances, the fluid output from the turbine wheel can flow towards the driven member, for ... | 12/29/2009 |
| 7622817 | High-speed high-pole count generators A system for generating supplemental electrical power from the low-pressure (LP) turbine spool of a turbofan engine includes a high-speed, high magnetic pole count, generator, a gearbox, a controller and a power converter. The LP turbine spool is mechanically couple... | 11/24/2009 |
| 7615881 | Power turbine speed control using electrical load following A power turbine speed control system for a turbo-shaft type gas turbine engine that has a gas generator compressor spool and a power turbine spool and drives an electrical generator that powers at least one electrical load by way of at least one electrical bus, comp... | 11/10/2009 |
| 7608938 | Methods and apparatus for electric power grid frequency stabilization Methods and apparatus for operating a combined-cycle power system are provided. The method includes operating the steam turbine, the combustion turbine, and the steam source at steady state operating conditions. Upon sensing a grid frequency deviation away from the ... | 10/27/2009 |
| 7579703 | Hydroelectric in-pipe generator The present device provides an in-pipe turbine generator having a conduit, a plurality of runner blades positioned within the conduit, and a pitch adjustment mechanism whereby the pitch of the runner blades may be varied. The pitch adjustment mechanism further inclu... | 08/25/2009 |
| 7569946 | Turbine-generator equipment and installation method thereof Installation method of turbine-generator equipment controlling a turbine-generator is described. The method includes manufacturing a thyristor excitation equipment as a package including a circuit breaker, an excitation transformer, a power rectifier coupled with th... | 08/04/2009 |
| 7541687 | Method and system for managing an electrical output of a turbogenerator The system and method manages an electrical output of a turbogenerator in accordance with multiple modes. In a first mode, a direct current (DC) bus receives power from a turbogenerator output via a rectifier where turbogenerator revolutions per unit time (e.g., rev... | 06/02/2009 |
| 7521815 | Micro power generating device There is provided a micro power generating device. A compressor impeller and a turbine wheel are coupled to the ends of a rotating shaft. A cooler is provided for lowering a temperature of the compressed air from the compressor impeller. The compressed air is mixed ... | 04/21/2009 |
| 7514810 | Electric power generation using power turbine aft of LPT An inside out generator disposed aft of the low-pressure turbine spool to generate power for the electrical demands of an aircraft system. The low-pressure turbine discharge flow is used to drive the power turbine, which is coupled to the generator. The generator is... | 04/07/2009 |
| 7495354 | Gas turbine, particularly an aircraft engine A gas turbine, particularly an aircraft engine includes at least one compressor. The gas turbine comprises at least one stator, at least one rotor and at least one generator (19) for generating electrical energy. An engine rotor has a rotor shaft (11) ... | 02/24/2009 |
| 7485981 | Aircraft combination engines complemental connection and operation A power generation system for propelling, and generating electrical power in, an aircraft, using a gas turbine engine coupled to a turbine starter/generator unit having therein an electrical machine capable of being selected to be alternatively a motor and an electr... | 02/03/2009 |
| 7471008 | Method and system for controlling a rotational speed of a rotor of a turbogenerator A system and method controls a rotational speed of a rotor or shaft of a turbogenerator in accordance with a present voltage level on a direct current bus. A lower threshold and a higher threshold are established for a speed of a rotor or shaft of a turbogenerator. ... | 12/30/2008 |
| 7468564 | Air turbine generator An electrical power supply system comprises an air-powered alternating current electrical generator in which pressurized air from a single source is used to drive an air turbine secured on the shaft of the alternating current electrical generator. One uncontrolled n... | 12/23/2008 |
| 7462948 | Midget gas turbine The present invention provides a midget gas turbine has: a casing; an irregular-shaped hollow disk rotationally attached to a casing; said irregular-shaped hollow disk having in a hollow portion constituting a burs... | 12/09/2008 |
| 7449795 | Electric power generation system using a permanent magnet dynamoelectric machine for starting a combustion turbine and for generating uninterruptible excitation power An electric power generation system 10 with a combustion turbine 12 as a prime mover for a main generator 16 is provided. The power generation system includes a dynamoelectric machine 30 that may be used both as the starting motor and as ... | 11/11/2008 |
| 7436079 | Power system for a telecommunications site A reliable power supply solution for a telecommunications site provides a combined primary and backup source of electrical power. One system of the power supply solution includes one or more microturbine generators operable to produce AC electrical power as well as ... | 10/14/2008 |
