Abstract: A method is provided for operating a compressor arrangement, particularly a pipeline compressor station, wherein the compressor arrangement has a turbine and a compressor in a torque-transferring connection. Previous systems work over long periods with poor efficiency when the turbine is working under a partial load. A solution is provided which includes an electrodynamic machine having a torque-transferring connection to the compressor, wherein the turbine has a maximum efficiency at a specific output, and when the compressor output is below the specific output, the electrodynamic machine is operated as a generator, and when the compressor output is above the specific output, the electrodynamic machine is operated as a motor.

Abstract: A fired heater has two types of burners. The first burner is located in a duct which provides oxygen-containing gas to the heater to be combusted with the fuel provided by the burner. The second burner is located in the heater and provides both air and fuel for combustion. The heater may be located downstream of a gas turbine engine that cogenerates electricity and provides the oxygen-containing gas.

Abstract: A vehicle auxiliary power unit includes a turbine to provide a turbine output, a fuel-fired burner that provides a heat source for the turbine, and a heat exchanger that receives the turbine output. The heat exchanger generates a heat exchanger output to produce a predetermined output condition such as heating/cooling a cabin compartment, heating an exhaust component to a desired temperature, and/or heating an engine block, for example.

Abstract: A hydrocarbon feed stream is separated in one or more separators to provide a hydrocarbon stream and at least one methane-lean stream comprising a first ethane-rich header feed stream. The hydrocarbon stream is heat exchanged with at least one refrigerant stream to provide at least one cooled hydrocarbon stream and at least one at least partially evapourated refrigerant stream. The first ethane-rich header feed stream is passed to at least one fuel gas header, from which header fuel gas is removed as at least one fuel gas stream.

Abstract: An open-rotor gas turbine engine comprising a starter/generator, a first spool and a second spool, the second spool is of a lower pressure than the first spool; wherein the starter/generator is connected to the first and second spools via first and second clutches respectively. The method of operating the open-rotor engine comprises the step of supplying power to the starter/generator to drive the first spool via the first clutch to start the engine and, once the engine is self-propelling, a step of driving the starter/generator from the second spool via the second clutch to generate electricity.

Abstract: One aspect relates to a hybrid propulsive technique, comprising providing a flow of a working fluid through at least a portion of an at least one jet engine. The hybrid propulsive technique comprises extracting energy from the working fluid that is at least partially converted into electrical power, and converting at least a portion of the electrical power to a torque. The hybrid propulsive technique also comprises rotating an at least one independently rotatable compressor stator at least partially responsive to the converting the at least a portion of the electrical power to the torque.

Abstract: In one embodiment, a gas turbine engine may include an accessory system integrated in a frame between a bypass flow path and a core flow path. A shaft may be provided between the accessory system and a core shaft of the gas turbine engine. The integrated accessory system may include power devices such as motors and generators, among other types of devices. The gas turbine engine may have more than one device spaced at various circumferential locations. In one non-limiting example, two power devices may be spaced 180 degrees apart. In some embodiments, a shaft and gearing may be provided to a location such as a frame in preparation to receive a power device at a later time.

Abstract: One aspect relates to a hybrid propulsive technique, comprising providing at least some first thrust associated with a flow of a working fluid through at least a portion of an at least one axial flow jet engine. The hybrid propulsive technique includes extracting energy at least partially in the form of electrical power from the working fluid, and converting at least a portion of the electrical power to torque. The hybrid propulsive technique further includes rotating an at least one substantially axial-flow independently rotatable compressor rotor at least partially responsive to the converting the at least a portion of the electrical power to torque.

Abstract: A method for supplying power to a remote load includes coupling a gas turbine engine to a vessel that is not used to provide propulsion for the vessel, coupling a generator to the gas turbine engine, coupling an intercooler system downstream from a first compressor such that compressed air discharged from the first compressor is channeled therethrough, the intercooler system includes an intercooler and a first heat exchanger, channeling a first working fluid through the intercooler to facilitate reducing an operating temperature of air discharged from the intercooler to a second compressor, channeling a second working fluid flowing through the first heat exchanger to extract energy from the first working fluid to facilitate reducing an operating temperature of the first working fluid, and operating the gas turbine engine and generator to supply power to a load that is located remotely from the vessel.

Abstract: A system and method for integrating gasification processes with membrane oxygen separation, advanced steam conditions, and effective heat recovery. Through the integration of synergistic technologies, a highly efficient Integrated Gasification Combined Cycle (IGCC) power plant can be constructed. A combined cycle power plant that includes substantial amounts of duct firing in its Heat Recovery Steam Generator (HRSG) can be used in conjunction with membrane oxygen separation to provide the necessary air heating to the range of 1470 to 1650° F. This high-end energy in the HRSG can also be utilized to create more steam at elevated conditions in the HRSG, and thus provide additional cold feedwater for cooling in the HRSG and for cooling in both the gasification and oxygen membrane separation processes. When CO2 release to atmosphere is to be minimized, the invention may utilize a synergistic hydrogen membrane separation technology.

Abstract: A turbine engine for an aircraft is disclosed. The turbine includes a turbine generator which is not connected to the low or high pressure spools of the turbine engine. The generator is used to create power for use in electrical systems in the aircraft. In some embodiments, the free-turbine airfoils receive the core air through an array of variable-pitch vanes. The pitch of these vanes is alterable to control the core air so that the speed of the free turbine remains substantially constant even though engine speed fluctuates.

Abstract: Producing the electrical power need for equipment on board an airplane. Auxiliary power is taken off by means of a shaft driven by the high pressure turbine and, when idling, the efficiency of the low pressure turbine is degraded so as to enable the high pressure turbine to operate at a speed that is sufficient for delivering the required auxiliary power.

Abstract: A turbofan engine (1) includes at least one apparatus (30) for driving at least one generator (22, 35), with the engine including a pre-compressor (4), at least one compressor (10) and at least two engine shafts (13, 15) rotatably arranged in an engine casing. At least one first generator (22) is coupled via an auxiliary gearbox (21) with one of the engine shafts (13) and is electrically connected to at least one accessory (23). In order to generate electrical power to such an amount in a turbofan engine (1) that stable operation of the accessories (23), in particular the compressors, is maintained also in the low-energy range, the apparatus (30) includes at least one auxiliary turbine (31) arranged between the pre-compressor (4) and the compressor (10).

Abstract: A power generation plant generates electrical power to be distributed to consumers via a power grid. The plant also provides some of the power to a fuel processing facility that provides fuel for the plant, and re-cycles the by-products of the power generation process to provide at least some of the resources the plant uses to generate the electrical power.

Abstract: A portion of cooling air for cooling the turbine section of a gas turbine engine is tapped and passed through a heat exchanger. The portion of the cooling air is cooled in the heat exchanger, and the heat taken out of the portion of the cooling air is utilized to generate electricity.

Abstract: 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 combustion exhaust gas and a compressor (6) that is driven by rotational force generated in the turbine, an air engine (12) generating rotational force by air pressure as a power source, and a generator (14) converting the rotational force generated by the air engine to electric power, the air inspired from outside is compressed by the compressor of the turbocharger and heated by the turbine heat at high temperature, and electricity is generated by the generator using the generated compressed air of high pressure and high temperature as a power source of the air engine. The compressed air thus generated in the turbocharger (8) is shared and distributed for combusting the internal combustion engine (2) and for driving the air engine (12).

Abstract: A gas turbine aircraft engine with power variability is provided. The gas turbine aircraft engine comprises a compressor and a turbine mounted on a common shaft, and, a continuously variable transmission coupled to the shaft for transmitting power to a propulsion load.

Abstract: A thermoelectric generator (1) includes a first electrode (5) in a first chamber (11), a second electrode (6) in a second chamber (14), a heating device (19) and an electrolyte cycle, which connects the first chamber (11) to the second chamber (14). The electrolyte cycle, the first chamber (11) and the second chamber (14) receive an electrolytic solution (16) and the heating device (19) heats the electrolytic solution (16) of the first chamber (11).

Abstract: A jet engine (1) includes at least one emergency drive unit (10), with the jet engine (1) having at least one engine shaft (2a) coupled via at least one gear train (4) with at least one auxiliary gearbox (7), which is connected to at least one auxiliary equipment (8), especially an electric generator. The emergency drive unit (10) includes at least one rotatable component. In order to provide a jet engine with an emergency drive unit in a simple configuration, the rotatable component of the emergency drive unit (10) is attached to the gear train (4).

Abstract: A method of generating electrical power using sulfur, the method having the steps of combusting oxygen with a stoichiometric quantity of sulfur comprising predominantly diatomic sulfur to generate hot sulfur dioxide gas; and mixing a cooling gas substantially cooler than the hot sulfur dioxide gas with the hot sulfur dioxide gas to produce a mixed working gas for driving a gas turbine, the mixed working gas having a temperature less than a maximum allowable temperature determined by a metallurgic limit of turbine blades in the gas turbine, whereby the gas turbine generates electrical power.

Abstract: A process and plant for the vaporization of liquefied natural gas (LNG) consist in obtaining electric energy during the vaporization operation by means of thermal exchange by transformation means of an energy source for obtaining electric power.

Abstract: A system and method for creating power and pasteurizing water is provided. The system includes a power generation subsystem and a water pasteurization subsystem, which are linked together as follows. The power generation subsystem comprises a turbine power generator. Air (or other suitable working fluid) flows through the turbine power generator to generate power by known methods. The air is heated prior to flowing into the turbine to increase its speed for greater power generation. The water pasteurization subsystem includes one or more heat exchangers, at least one of which is connected to receive the hot airflow exiting the turbine. The heat from the turbine-exiting airflow is utilized for pasteurizing colder wastewater inside the heat exchanger.

Abstract: The proposed group of inventions relates to methods and devices for creating a gas-drop jet used for fire-fighting. The proposed inventions may be used for suppressing turbary, forest fires, fires in high-altitude buildings, etc. since they provide an increase in speed of extinguishing jet and a long range, thus raising the extinguishing properties of a jet. The aims of the proposed group of inventions are as follows: Creating an efficient stand-alone modular installation, allowing to obtain a jet of extinguishing fluid with an increased range and speed of flight and to use it independently or and in a complete set with various delivery vehicles (a car, a plane, a helicopter, etc.); Improvement of the thermodynamic cycle of the fire-fighting installation using gas turbine engine, and increase of its efficiency; Replacement of air containing an oxidizer (oxygen), used for creating a gas-drop jet, by products of combustion that are containing almost no oxidizer.

Abstract: The invention relates to an integrated power generation and organic fertiliser production system and method including: a biomass combustion-fuelled power station (12); a facility (14) for producing pelletised organic fertiliser (46); and means for capturing and redirecting waste heat from the power station (12) to the facility (14), to be used in producing pelletised organic fertiliser (46).

Abstract: Water is generated onboard of a craft such as an aircraft or in a self-contained stationary system by partially or completely integrating a water generating unit into a power plant of the craft or system. The water generating unit includes one or more high temperature fuel cells which partially or completely replace the combustion chamber or chambers of the power plant. A reformer process is integrated into the high temperature fuel cell which is arranged between, on the one hand, a fan (30) and power plant compressor stages (31, 32) and, on the other hand, power plant turbine stages (33, 34). These power plant stages may be provided in such redundant numbers that safety and redundancy requirements are satisfied.

Abstract: A gas turbine engine incorporating a starter mounted on the gear box The present invention refers to a gas turbine engine, comprising an AGB gear housing (12) mechanically connected with an engine shaft for driving auxiliary machines and an air starter (10, 10?) mounted on the housing, the starter and housing enclosures being in communication such that the lubricating oil of the starter should be distributed from the AGB housing. The engine is characterized in that the oil enclosure of the starter (10, 10?) is pressurized by a source of air, being independent from the AGB housing. Advantageously, the pressurization air is taken from a pressurization enclosure of an engine bearing.

Abstract: There is provided a control apparatus for a gas-turbine engine which is configured in such a manner that a portion of compressed air from a compressor is supplied to a combustion chamber and the other portion of the compressed air is sent to the outside of the engine to be used as source of energy, and a turbine is rotated by combustion gas produced in the combustion chamber. The control apparatus executes the optimum combustion control in an extraction engine. The control apparatus calculates the physical quantity related to the air in the gas-turbine engine using the turbine flow-rate coefficient in the range in which the turbine chokes.

Abstract: Carbon dioxide recirculating apparatus (20, 120) is disclosed for use in an arrangement having combination means (115) and a path for the flow of a gas through the combustion means (115). The apparatus (20, 120) comprises extraction means (221) for extracting carbon dioxide from a first region of the path downstream of the combustion means (115). It further includes condensing means (26, 30) for condensing the extracted carbon dioxide, and feed means (36, 136) for feeding the condensed carbon dioxide to a second region of the path upstream of the combustion means.

Abstract: The invention is directed to separating a hydrocarbon feed-stock such as bitumen or heavy oil, into a de-asphalted oil component and a residue component comprising primarily asphaltenes. The asphaltenes with some added bitumen are converted by a plasma arc reactor into a controllable mixture of primarily paraffins and impurities. Natural gas liquids are separated out by refrigeration. The lighter paraffins may be used to operate a steam or gas turbine to produce electrical energy which, in turn, may be used to provide power for generating steam, for powering the plasma arc reactor and other apparatuses of an on-site processing plant or excess power may be sold to the grid.

Abstract: A process and apparatus is presented for the desalination of water by freezing seawater. The process is integrated into a liquefied natural gas regasification system. The process comprises alternating the flow of liquefied natural gas to freeze seawater in a heat exchanger and then flowing a hot flue gas through the heat exchanger to melt the frozen seawater, and then repeating the process.

Abstract: The invention relates to a twin-spool gas turbine engine comprising a high-pressure rotor (and a low-pressure rotor, which rotors are mounted in bearings supported by an intermediate casing, at least one accessory gear box, a drive means, driving radial and coaxial shafts for transmitting movement to the accessory gear box, the drive means comprising a high-pressure drive gear driving one of said radial shafts and connected to the high-pressure rotor, a low-pressure drive gear connected to the low-pressure rotor upstream of the high-pressure rotor and driving the other of said radial shafts, the low-pressure drive gear being supported in the intermediate casing by an axial-positioning bearing.

Abstract: An integrated process wherein a CO2-free fuel gas is produced from steam reforming a carbonaceous material and sent to a gas turbine which is associated with an electrical generator. The CO2 produced during the steam reforming of the carbonaceous material is passed to a second steam reforming zone where it is mixed with a second carbonaceous feed to produce a syn-gas that is used to produce ethylene.

Abstract: The invention relates to a method of generating power and heat, employing: a cogeneration system comprising: a gas turbine generating power and combustion gases and a heat recovery unit fed with water and heating said water by recovering the heat from the combustion gases coming from the gas turbine; and a thermal power plant fed with water preheated by a degasifier, said degasifier being fed with cold water at a temperature below the temperature of the water feeding the heat recovery unit of the cogeneration system, and in which the cold water feeding the degasifier of the thermal power plant, before being preheated by the degasifier, is preheated by heat exchange with the water feeding the heat recovery unit of the cogeneration system.

Abstract: The invention relates to a method for the transport of heat energy from at least one heat source to at least one heat sink, in particular for a district heating network, by means of a working fluid which includes a mixture of at least one first component having a first boiling point and of a second component having a second boiling point, with the first boiling point being lower than the second boiling point. The method includes the step of an at least partial vaporization of the first component of the working fluid by the supply of heat from the heat source. The vaporized portion of the first component is transported separately from the working fluid depleted by the vaporization with respect to the first component from the heat source to the heat sink by means of a transport means. Subsequently, the vaporized first component is absorbed by the depleted working fluid while emitting the heat absorbed on the vaporization to the heat sink.

Abstract: An integrated absorption refrigeration and dehumidification system includes an absorber containing an absorption solution, an after-cooler having a flow path to receive the solution and a flow path to receive a warm fluid, the flow paths being thermally coupled to separate a refrigerant from the solution, and an auxiliary heat exchanger having a flow path to receive the solution from the after-cooler and a flow path to receive a warm fluid, the flow paths being thermally coupled to separate more refrigerant from the solution. The system also includes a condenser positioned to receive and cool the refrigerant from the auxiliary heater, an expansion valve positioned to receive the refrigerant from the condenser, an evaporator positioned to receive the refrigerant from the expansion valve and the warm fluid from the after-cooler, and a separator to remove condensate from the warm fluid from the after-cooler or a cool fluid from the evaporator.

Abstract: Methods, systems, and apparatus for generating energy from a process-contained series of thermobaric reactions and/or explosion cycles are provided. The Xplogen™ energy generating system includes several embodiments for stimulating the heat and pressure release episodes, which are directed by the process system toward the task of dissociating a target substance being subjected to the hyper-stimulated pulse of energy. The target substance is thermolyzed by the pulse energy episode and the resulting dissociated gases are either quenched and captured or they are consumed in a direct thermal conversion process and are thus translated into steam pressure, and/or torque, thrust, motive force, and/or super-heat impulses. The methods and systems of the present invention include a comprehensive arrangement of process configurations and components as well as a means of operation.

Abstract: A power-generating system is provided for operating adiabatically and reducing emissions of greenhouse gases contributing to global warming. The system may include gas reactors and/or combustors that burn a fuel and an oxygen-containing gas under substantially adiabatic conditions such that high-pressure combustion products and low pressure combustor housing cooling air are combined to produce a medium pressure working fluid. Higher thermal efficiencies reduce emissions of greenhouse gases. Products of combustion can be processed to further reduce emissions of carbon dioxide and other greenhouse gases from portable and stationary exhaust-producing devices using different fuels. The system may also include solar collectors that pick up a spectrum of solar energy by means of cells containing fluids, aligned to concentrate the solar rays. The collectors may pick up direct and/or diffused solar radiation and can be used to power self-propelled vehicles or function as a roof of a building.

Abstract: A zero-emissions power plant receives natural gas from wells at elevated pressure and temperature. Gas is expanded through one or more turbo-expanders, preferably reformed, and sent to a fuel cell where electricity, heat, carbon-dioxide, and water are generated. The carbon-dioxide is compressed by at least one compressor and piped downhole for sequestration. The turbo-expanders have shafts which preferably share the shafts of the compressors. Thus, energy given up by the natural gas in the turbo-expanders is used to run compressors which compress carbon dioxide for downhole sequestration. In one embodiment, the natural gas is applied to heat exchangers in order to generate a stream of liquid natural gas. The remainder of the gas is expanded through the turbo-expanders and processed in the reformer prior to being sent to the fuel cell. A shifter may be used between the reformer and fuel cell. A solid oxide fuel cell is preferred.

Abstract: A method for the generation of electrical power from a carbonaceous fuel, wherein the fuel is combusted in presence of oxygen under increased pressure in a combustion chamber is described. The exhaust gas from the combustion is separated into a CO2 rich fraction that is handled so that it does not escape to the surroundings, and a CO2 depleted fraction that is expanded over one or more turbines to power other processes and/or generation of electrical power, before the gas is released into the surroundings, where the temperature in the combustion chamber is reduced under the generation of steam that is expanded over steam turbines connected to electrical generator for the generation of electrical power. Additionally a thermal power plant for the performing of the method is described.

Abstract: A combined heat and power system that may be ON/OFF controlled by the thermal load requirements for the system and/or operated at or below atmospheric pressure.

Abstract: A partially open fired heater regenerative cycle, wherein the fired industrial type heater cycle's heat transfer fluid replaces the air predominant nitrogen heat transfer fluid employed in a conventional air/fuel combustion heater, is disclosed. The heater cycle's method and apparatus are susceptible to providing a significant percent mass flow reduction of fugitive nitrogen oxide and carbon monoxide mass flow emissions as emitted by current art Low-NO.sub.x art heaters on a rated per million Btu per hour basis, and is further capable of developing exceptionally high steady-state heat transfer system cycle thermal efficiencies.

Abstract: 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 system for increasing the pressure of flowing cooling air. The ejectors are operable with a working fluid. The working fluid mass flow is less than twenty percent of a driven cooling air mass flow.

Abstract: An adiabatic power generation method and apparatus includes at least one combusting device to combust any suitable fuel and an oxygen-containing gas to produce hot high pressure combustion gases. Also includes modified present art combustors, wind and solar energy sources. A portion of the expanded gases, or ambient air is mixed with the combustion gases to form a mixture of gases as working fluid that is fed to a work-producing device.

Abstract: A power cogeneration system employing a partially-open gaseous fluid cycle method and apparatus devices for oxy-fuel combustion conversion of a given hydrocarbon composition fuel's heat-value energy into mechanical or electrical power energy, and transferred useful heat energy, with accompanying large reductions of consumed fuel and undesirable exhaust emissions.

Abstract: A main engine electric start system for gas turbine propelled aircraft that employs a low-power AC electrical power system to serve as an independent grid to control the functions of induction-type dynamoelectric machines coupled to the main propulsion engines and APU as a starter or generator.

Abstract: An auxiliary power unit for aircraft with a load compressor that delivers cabin air free of oil contamination by supporting a drive shaft for the load compressor with oil-free bearings and coupling the load compressor to a gearbox and power head for the auxiliary power unit through a synchronous magnetic torque coupling on an opposite side of the gearbox to which the power is mounted.

Abstract: A method of generating electrical power while simultaneously converting salt water to fresh water includes the steps of: a) supplying exhaust gases from a gas turbine used to generate electrical power to a boiler located downstream of the gas turbine and upstream of a gas turbine exhaust gas stack; b) employing a closed thermal transfer fluid circuit between the boiler and a desalinization plant for recirculating the thermal transfer fluid between a first heat exchange in the boiler and a second heat exchanger in the desalinization plant where the thermal transfer fluid passes in heat exchange relationship with the seawater to thereby heat the seawater as a first step in a distillation process.

Abstract: A partially open fired heater regenerative cycle wherein the fired industrial type heater cycle's heat transfer fluid replaces the air predominant nitrogen heat transfer fluid employed in a conventional air/fuel combustion heater. The heater cycle's method and apparatus means is susceptible to providing a 95 to 98 percent mass flow reduction of fugitive nitrogen oxide and carbon monoxide mass flow emissions as emitted by current art Low-NO.sub.x art heaters on a rated per million Btu per hour basis, and is further susceptible to developing steady-state heat transfer thermal efficiencies exceeding 124 percent.

Abstract: A process is disclosed for thermally degassing a condensate or feedwater by heating the condensate or feedwater in a feedwater vessel/degassing means, to which preheated condensate is fed and from which feedwater for heating surfaces heated in a heat recovery steam generator is removed. Structurally simple degassing, advantageous in thermal terms, is achieved by virtue of the fact that the condensate is preheated in a first condensate preheater, and that a partial stream of the preheated condensate, which is preheated further in a second condensate preheater, is used to heat the condensate or feedwater in the feedwater vessel/degassing means.

Abstract: An object is to improve the operational reliability of a gas turbine by suppressing thermal stress and thermal deformation acting on the rotor of the gas turbine. The gas turbine has a rotor shaft constructed by arranging, in an axial direction in turn, a plurality of discs each having a plurality of combustion gas-driven moving blades annularly arranged on the peripheral portion and spacers arranged between the discs, and is characterized in that gap portions are formed between a region, on the rotor shaft center portion side, of the above-mentioned discs facing the spacers and spacers adjacent thereto, contact surfaces are formed both of which contact on both a region, on the rotor peripheral side, of the above-mentioned discs facing the spacers and adjacent spacers thereto, and a third flow path leading fluid to the above-mentioned gap portions is provided.