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490 results about "Turbo generator" patented technology
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A turbo generator set or turbine generator set is the compound of a steam turbine or gas turbine shaft-connected to a fast running electric generator for the generation of electric power. Large steam-powered turbo generators provide the majority of the world's electricity and are also used by steam-powered turbo-electric ships.
Use of micro-electro-mechanical systems (MEMS) in well treatments
Owner:HALLIBURTON ENERGY SERVICES INC
Power generation system and method
InactiveUS6915869B2Internal combustion piston enginesElectric propulsion mountingInternal combustion engineFuel supply
A power generation system and method providing an engine configured to produce hydrogen rich reformate to feed a solid oxide fuel cell includes an engine having an intake and an exhaust; an air supply in fluid communication with the engine intake; a fuel supply in fluid communication with the engine intake; at least one solid oxide fuel cell having an air intake in fluid communication with an air supply, a fuel intake in fluid communication with the engine exhaust, a solid oxide fuel cell effluent and an air effluent. Engines include a free piston gas generator with rich homogenous charge compression, a rich internal combustion engine cylinder system with an oxygen generator, and a rich inlet turbo-generator system with exhaust heat recovery. Oxygen enrichment devices to enhance production of hydrogen rich engine exhaust include pressure swing absorption with oxygen selective materials, and oxygen separators such as an solid oxide fuel cell oxygen separator and a ceramic membrane oxygen separator.
Owner:DELPHI TECH INC
Hybrid battery/gas turbine locomotive
Prior battery-powered electric locomotives have used multiple diesel engines to charge the batteries and have not been commercially accepted. The present invention provides a yard switcher which combines battery storage with a gas microturbine generator to provide an effective fuel-efficient and environmentally friendly locomotive. locomotive.
Owner:RAILPOWER LLC
Rankine cycle heat recovery methods and devices
InactiveUS20090277400A1Minimize frictional lossIncrease speedLiquid coolingCoolant flow controlRecovery methodMagnetic bearing
An integrated expansion turbine / electrical generator assembly (collectively referred to as a “turbo-generator”) suitable for use in waste heat recovery and similar applications. The turbo-generator uses a common shaft mounting a one or more stage expansion turbine and a homopolar electrical generator. Magnetic levitating axial and thrust bearings are used to hold the common shaft in its proper position with a fixed housing. The magnetic bearings minimize frictional losses, allowing the common shaft to spin at a very high rotational velocity. Sensor rings continually monitor the common shaft's position. This information is used by control electronics to regulate the magnetic bearings in order to hold the rotating shaft's position. Electrical energy is extracted from the rotating shaft in the form of a direct current. Preferably integrated power-switching electronics are used to generate single or three-phase AC power, which can be phase-matched to an existing power grid or other application.
Owner:DANFOSS AS
Method and apparatus for power generation using waste heat
InactiveUS20060112693A1High densityReduce flowSteam generation heating methodsSteam usePower stationEngineering
According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that includes a turbine coupled with an electrical generator, a condenser, and a refrigerant feed pump; (b) disposing the one or more evaporators within an exhaust duct of a power plant of the marine vessel; (c) operating the power plant; and (d) selectively pumping refrigerant through the Rankine Cycle device, wherein refrigerant exiting the evaporator powers the turbine, which in turn powers the generator to produce power.
Owner:CARRIER CORP
Method and apparatus for generating hydro-electric power
ActiveUS7084521B1Small sizeSmoother power generationMachines/enginesEngine componentsElectricityElectric power system
A hydroelectric power generating method and / or apparatus provides one or more inlet pipes perpendicular to a flow of water in a stream or river. The inlet pipes have a length and plural apertures along the length of the at least one inlet pipe. A feedline and a turbine generator combination are interconnected with the inlet pipes. One or more outlet pipes are interconnected with the feedline and the turbine generator combination. The outlet pipes have an elevation lower than the inlet pipe. A flow of water passes through the inlet pipes, the feedline, the turbine generator combination, and the outlet pipes, and generates electricity from the flow of water passing through the turbine generator combination. The hydroelectric power generating method also provides a pressure dissipation device that causes a reduction in the pressure of the water so that the water can be released safely back into the stream or river.
Owner:MARTIN GERALD G
Rankine cycle device having multiple turbo-generators
A method for generating power, comprising the steps of: a) providing a Rankine Cycle device that includes a plurality of turbo-generators, each including a turbine coupled with an electrical generator, and at least one of each of an evaporator, a condenser, and a refrigerant feed pump; b) disposing the one or more evaporators within an exhaust duct of a power plant of a marine vessel; c) operating the power plant; and d) selectively pumping refrigerant through the Rankine Cycle device.
Owner:NANJING TICA AIR CONDITIONING CO LTD +1
Internal combustion engine driven turbo-generator for hybrid vehicles and power generation
InactiveUS20090179424A1Increased electrical system efficiencyLow costCombustion enginesVehicle sub-unit featuresExternal combustion engineEngineering
A piston compression system converts energy from a conventional combustion cycle engine driving a piston to displace a working gas for flow through a turbine for output power. The working gas is derived by diverting a portion of the charge during combustion at near peak combustion pressure (PCP) into a closed working volume. The working gas is maintained at high pressure within the working volume. The working volume has a first displacement compartment and a second displacement compartment, a supply manifold connected for receiving pressurized working gas alternately from the first and second compartments and connected to an inlet of the turbine, and a return manifold connected to an outlet of the turbine and alternately returning working gas to the second and first compartments. The engine is configured with first and second pistons housed in first and second combustion cylinders respectively powering a first displacing surface for displacement of working gas in the first compartment and a second displacing surface for displacement of working gas in the second compartment.
Owner:INTERNAL COMBUSTION TURBINES
Various methods and apparatuses to provide remote access to a wind turbine generator system
Owner:GENERAL ELECTRIC CO
Ultra-supercritical air energy storage/release system
ActiveCN102758689AImprove efficiencyImprove energy storage efficiencyGas turbine plantsElectricityPower station
The invention discloses an ultra-supercritical air energy storage / release system, which is a novel large-scale energy storage system and relates to an energy storage technology, namely, air is compressed into an ultra-supercritical state by using off-peak electricity of a power station, heat is compression is stored simultaneously, air is cooled by using an expansion engine and simultaneously expansion work is recovered to improve the efficiency, and the ultra-supercritical air is cooled, liquefied and stored by using stored cold energy; and liquid air is pressurized and absorbs heat to reach an ultra-supercritical state at the power utilization peak and further absorb heat of compression for power generation by a turbo-generator. The ultra-supercritical air energy storage / release system disclosed by the invention has the advantages of high energy density, high efficiency, no limitation by energy storage cycle and geological conditions, suitability for various power stations, environmental friendliness, capability of recovering intermediate-temperature and low-temperature waste heat and the like.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Rotary ramjet turbo-generator
ActiveUS20070056290A1MiniaturizationHigh thermal efficiencyEngine manufactureEfficient propulsion technologiesBrayton cycleElectricity
A Brayton-cycle rotary ramjet engine (10) operated within the confines of a helically elongated pass-through duct formed between a preferably stationary radially outward surface (14) and an outer rotating flow channel (36). The flow channel (36) is contoured between its inlet (34) and outlet (38) to include a supersonic diffuser (40), a combustor (42) and an expansion nozzle (44). Gaseous fuel, or liquid fuel atomized by a fuel slinger (58) within a housing (46), or solid fuel in the form of fine particulates, is inter-mixed with an oxidizer prior to being directed to the flow channel inlets (34). The air and fuel are combusted in the flow channels (36) and exhausted through the rear of the housing (46). A generator (22) can be coupled to a power shaft (18) to convert net shaft power into electricity. Preferably, the rotor (24) and stator (12) are fabricated from a ceramic or other high-temperature material so that combustor exit temperatures (T3) can be operated at highly efficient levels.
Owner:RGT UNIV OF MICHIGAN
Method and apparatus for decreasing marine vessel power plant exhaust temperature
InactiveUS7121906B2Reduce exhaust temperatureReduce signalingDefensive equipmentLiquid coolingPower stationEngineering
According to the present invention, a method and apparatus for generating power aboard a marine vessel is provided. The method comprises the steps of: (a) providing a Rankine Cycle device that includes at least one of each of an evaporator, a turbo-generator that includes a turbine coupled with an electrical generator, a condenser, and a refrigerant feed pump; (b) disposing the one or more evaporators within an exhaust duct of a power plant of the marine vessel; (c) operating the power plant; and (d) selectively pumping refrigerant through the Rankine Cycle device, wherein refrigerant exiting the evaporator powers the turbine, which in turn powers the generator to produce power.
Owner:CARRIER CORP
Fine casting method for super long lower pressure partition guide blade of turbine in stainless steel investment mold
The present invention discloses precise investing process of super long low pressure partition guide blade of stainless steel for turbine. Crankled stainless steel guide blade with length up to 960 mm and weight up to 42 kg may be manufactured through investing process. The present invention adopts pre-deforming profiling design and improved investing process and the produced guide blade for 600 KW steam turbo generator has high performance. The investing process includes making wax mold, making shell, smelting and casting, and heat treatment.
Owner:HARBIN XINRUN IND
Rankine cycle device having multiple turbo-generators
ActiveUS20060112692A1Reduce exhaust temperatureDecreases fuel reserve requirementSteam useTurbineRefrigerant
A method for generating power, comprising the steps of: a) providing a Rankine Cycle device that includes a plurality of turbo-generators, each including a turbine coupled with an electrical generator, and at least one of each of an evaporator, a condenser, and a refrigerant feed pump; b) disposing the one or more evaporators within an exhaust duct of a power plant of a marine vessel; c) operating the power plant; and d) selectively pumping refrigerant through the Rankine Cycle device.
Owner:NANJING TICA AIR CONDITIONING CO LTD +1
Wave energy converter with air compression (WECWAC)
InactiveUS7781903B2Simple designSize/volume of the upper chamber to be decreasedEngine componentsMulti-stage pumpsAir compressionSmall amplitude
Owner:OCEAN POWER TECHNOLOGIES
Wave energy converter with air compression (WECWAC)
InactiveUS20080012344A1Simple designEfficient system operationEngine componentsMulti-stage pumpsSmall amplitudeAuto regulation
A wave energy converter with air compression (WECWAC) includes a cylinder and a piston located within the cylinder dividing the cylinder into an upper chamber and a lower chamber. The cylinder is fixedly attached to a spar whose up / down (heave) motion is restrained. The piston is fixedly attached to, and driven by, a float which moves generally in phase with the waves. Under typical wave conditions the piston functions to compress air within the upper chamber on its up stroke and within the lower chamber on its down stroke, i. e., the system is thus double-acting. In still water, the spar and cylinder combination is designed to drift down into the body of water relative to the piston whereby the size / volume of the upper chamber is decreased (while that of the lower chamber is increased). For small amplitude waves the piston continues to compress air in the upper chamber and this asymmetrical compression continues until the waves reach a predetermine level when “double-action” is resumed. Controlling the position of the cylinder relative to the piston enables the WECWAC to automatically regulate its compression ‘stroke’ to suit varying wave conditions. The pressurized air from a WECWAC may be stored and / or processed to drive a turbo-generator or it may be combined with the outputs of other WECWACs to drive a single large and highly efficient turbo-generator.
Owner:OCEAN POWER TECHNOLOGIES
Chimney generation and desalination device by solar
InactiveCN101358578ASpeed up evaporationIncrease productionGeneral water supply conservationSeawater treatmentTurbo generatorSeawater
A device which utilizes the solar energy to carry out chimney generating and seawater desalting relates to the technical field of utilizing the solar energy to carry out generating and seawater desalting. The invention includes a solar chimney, a transparent heat collecting shed, a solar distilling pool and a turbine generator set. The transparent heat collecting shed is covered on a supporting group; the turbine generator set is arranged in the solar chimney arranged at the connection location of the solar chimney and the transparent heat collecting shed; the solar distilling pool and a rock heat accumulating layer are arranged at the lower side of the transparent heat collecting shed; a transparent cover plate is obliquely arranged at the upper end of the solar distilling pool; the lower end of the solar distilling pool is respectively connected with a seawater input pipe, a brine output pipe and a fresh water output pipe. The device of the invention improves the comprehensive operating factor of the solar energy, improves the comprehensive operating factor of land resource and simultaneously reduces the cost of each product such as power, heat accumulating amount, fresh water in another way.
Owner:HOHAI UNIV
Method and device for controlling starting and stopping of turbo generator set of nuclear power plant, and digital control system (DCS)
InactiveCN102080579AEasy accessQuick controlMachines/enginesEngine startersNuclear engineeringNuclear power
The invention is applied in the field of nuclear power control, and provides a method for controlling the starting and stopping of a turbo generator set of a nuclear power plant, a device for controlling the starting and stopping of the turbo generator set of the nuclear power plant, and a digital control system (DCS). The method comprises the following steps of: detecting the running state and running parameters of the turbo generator set, the running state and running parameters of an auxiliary system of the turbo generator set, and fault information in the running of the turbo generator set; displaying the detected information on the same function tracking interface in a centralized way; and directly controlling the starting and stopping of the turbo generator set according to the information displayed on the function tracking interface. The method provided by the embodiment of the invention can make an operator directly and rapidly discover the anomaly of the turbo generator set, rapidly and accurately obtain key parameters and judge reasons, so that the operator can directly, rapidly and accurately control and intervene the starting and stopping of the turbo generator set of the nuclear power plant to ensure the security of the turbo generator set of the nuclear power plant.
Owner:GUANGDONG NUCLEAR POWER JOINT VENTURE +1
High efficiency gas sweetening system and method
Disclosed are a method and system for sweetening a raw natural gas feed stream using a multi-stage membrane separation process, and in embodiments a two-stage membrane separation process. The method and system also include use of a gas turbine which operates with an impure fuel gas stream (such as in the sense of having a relatively high CO2 and H2S acid gas contaminant content) as derived from a permeate gas stream obtained in at least the second stage of a membrane separation process, or later stages if more than two stages are employed. In embodiments, the gas turbine is coupled with an electrical generator, which generates electrical power that drives a compressor for the second stage (or higher) of the membrane separation process, as well as other process equipment associated therewith, such as air coolers and process pumps. Alternatively, the gas turbine can be coupled mechanically to the compressor employed. In other embodiments, the power generated by the turbine generator combination can be exported to a local power grid. In other embodiments, the turbine generator is a micro-turbine generator (MTG) which can advantageously be used in applications where space is limited, such as an offshore platform or other oil / gas production facility or on board a floating vessel.
Owner:BP CORP NORTH AMERICA INC
Adjustable feed water heat regenerative system for turbo generator unit
ActiveCN102537933APromote environmental protectionImprove economyMachines/enginesFeed-water heatersEngineeringHigh pressure
The invention provides an adjustable feed water heat regenerative system for a turbo generator unit, which comprises a high pressure cylinder of a steam turbine, a final-stage extraction opening, a final-stage feed water heater, a steam extraction pipe and a regulating valve, wherein the final-stage extraction opening is additionally arranged on the high pressure cylinder; the steam extraction pressure of the final-stage extraction opening is much higher than the common highest extraction pressure; additionally extracted steam is used as a heat source of the final-stage feed water heater; the steam extraction pipe is connected with the final-stage extraction opening and the final-stage feed water heater; and the regulating valve is arranged on the steam extraction pipe. Part of steam which does work is guided to the feed water heater through the final-stage steam extraction pipe so as to further heat feed water of a boiler. The heat regenerative system provided by the invention is an elastic heat regenerative system. The temperature of the feed water can be maintained or changed under the variable load condition of the unit, so that the environmental friendliness, the economy and the safety of the unit are improved and the frequency modulation characteristic is perfected.
Owner:冯伟忠
Model used for carrying out primary frequency modulation analysis coordination control on boiler, steam turbine and power grid
ActiveCN106527131AImprove energy utilizationAchieve win-winAdaptive controlNegative feedbackElectric power system
The invention relates to a model used for carrying out primary frequency modulation analysis coordination control on a boiler, a steam turbine and a power grid and particularly relates to a boiler, steam turbine and power grid three-party coordination control supercritical and super-supercritical set coordination control model used for carrying out primary frequency modulation analysis. Control focus of machine-network coordination and machine-furnace coordination in the prior art is a turbo generator set and a power grid, only negative feedback control strategies of grid frequency difference are reflected in a primary frequency modulation control loop, influence on the boiler is not considered, so a hidden safety trouble exists. The method for problem solution is characterized by comprising steps that 1, a DC boiler mechanism model in a supercritical and super supercritical set is established; 2, a supercritical and super supercritical DC boiler controller model is established; 3, a steam turbine primary frequency modulation model is established; 4, an electric power system frequency modulation model including different types of sets is established; and 5, a steam turbine power given signal is corrected. The model is advantaged in that the model is applicable to the boiler, steam turbine and power grid coordination control field.
Owner:黑龙江工研龙创智通云管科技有限公司
Sludge drying and incinerating integrated zero-discharge treatment system and treatment process
InactiveCN102531318AGood effectLow running costSludge treatment by de-watering/drying/thickeningIndirect carbon-dioxide mitigationSludgeToxic material
The invention discloses a sludge drying and incinerating integrated zero-discharge treatment system and treatment process, belonging to the technical field of harmless treatment of sludge. The treatment system is composed of a garbage storage pit, an air separation device, a garbage-sludge incinerator, a cyclone separator, a waste heat boiler, a bag-type dust remover, a turbo-generator set, a two-stage drier, a dried sludge storage bin, a fine powder separator, a condenser, a steam-water separator, and a carbon dioxide purifying and catching system. According to the invention, the dried sludge burns sufficiently in oxygen-rich atmosphere, the auxiliary fuel is saved, the incinerating waste heat is efficiently recovered and utilized, CO2 in discharged flue gas is cooled, purified, compressed and liquefied to ultimately obtain high-purity CO2 which can be used for industrial application, other impurities are recovered, dioxin and other extremely toxic substances are collected separately and conveyed to qualified divisions for unitized treatment, the purposes of treating a waste with another waste and promoting harmless treatment with resource treatment are realized, the waste treatment cost is lowered and the energy utilization rate is improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Hyposynchronous damped control system
InactiveCN101325335AResolving Multimodal Subsynchronous ResonanceSolve Oscillation ProblemsReactive power adjustment/elimination/compensationElectric generator controlModal filterControl system
The invention discloses a subsynchronous damping control system, and belongs to the power system stabilization and control technology field. The system includes a rotate speed testing and preposing processor, a combined mode filter, a combined proportion phase shifter, a mode control signal synthesizer and a nonlinear transformer. The system solves the problem of multimode subsynchronous resonance and oscillation of a power system, improves the subsynchronous stability of the power system, and reduces the shafting torsional oscillation fatigue loss of a large-size steam turbo generator.
Owner:TSINGHUA UNIV
Online detecting method and device for air leakage quantity of vacuum system of turbo generator unit
InactiveCN102252808AReal-time online measurementProduction economyMeasurement of fluid loss/gain rateVolume meteringWater vaporEconomic production
The invention relates to an online detecting method and device for air leakage quantity of a vacuum system of a turbo generator unit. The device and method can be used for measuring the amount of the air leaked from a condenser which is vacuumized by using a water-ring vacuum pump, on line. The method comprises the following specific steps of: additionally arranging a temperature sensor, a pressure sensor, a gas flow rate sensor and an absolute humidity sensor behind the water-ring vacuum pump, determining the mass flow of the water vapor in a pump-out pipeline in certain particular working condition through parameters measured by the sensors, and calculating to obtain the mass flow of the pumped-out air by using a thermodynamic formula, wherein the mass flow of the pumped-out air is the sum of air leak-in rates of all negative pressure parts of the whole vacuum system. The invention has the advantages of clear and accurate measuring principle, simple measuring mechanism, convenience for installation and capabilities of measuring air leakage amount of the condenser on line and providing a reliable parameter basis for the vacuum system of the turbo generator unit to maintain a higher vacuum level and a guarantee for the safe and economic production of a power plant.
Owner:SHANDONG ELECTRIC POWER RES INST +1
Centrifugal type fusion slag quenching and dry type granulating, and waste heat recovery power generation system and method
ActiveCN102559957ASolve mechanical transmission problemsSolution to short lifeIncreasing energy efficiencyRecycling and recovery technologiesSlagSlow cooling
The invention provides a centrifugal type fusion slag quenching and dry type granulating system and method and a waste heat recovery power generation system and method, belongs to steel metallurgy slag treatment and waste heat recovery technology fields. The system of the invention comprises a slag receiving device, a slag centrifugal type quenching and granulating device, a slag slow cooling device, a waste heat recovery power generation device and an exhaust gas purifying and treating device. The system quenches and granulates the fused slag by the special centrifugal type quenching and granulating device, and rapidly cools the slag into a viterous body state. Then the slag is further slowly cooled by a water-cooled type vibration grate, and the waste heat recovered in the quenching andslow cooling processes generates steam by a binary channel type exhaust-heat boiler, which drives a turbo generator set for power generation. The system and the method effectively resolves the problem of long-time, safety and stabilization operation of a centrifugal type granulation device, and implements fused slag quenching and dry type granulation, and on the basis of non-influence on followedutilization value, the system and the method can high-efficiency and fully recover the high temperature waste heat resource of the slag.
Owner:NANJING KESEN KENEN ENVIRONMENT & ENERGY
Real-time diagnosis method for random vibration fault of steam generator set
InactiveCN101430247AMethod scienceConclusion scienceEngine testingVibration testingFrequency spectrumFourier transform on finite groups
The invention discloses a real-time random vibration fault diagnosis method for a turbo generator set, relates to the automatic on-line vibration state monitoring of the turbo generator set, and belongs to the fields of vibration state monitoring and fault diagnosis of large rotating machinery. The method comprises the following steps: acquiring bearing pedestal bush vibration signals and shaft vibration signals of a shaft system of the turbo generator set; performing necessary data preprocessing on the vibration data such as calibration conversion, abnormal point elimination and the like; adopting the Fast Fourier Transform (FFT) spectrum analysis method to perform relevance analysis between the bush vibration low frequency vibration and the shaft vibration on the vibration data, and further performing real-time quantitative computation and analysis on the bearing pedestal bush vibration data such as condition verification of low frequency vibration amplitude, the condition verification of the main frequency for the low frequency vibration, the dispersibility verification of low frequency vibration frequency components and the like, and automatically diagnosing in real time whether the random vibration fault occurs in the set by combining various verification results based on the real-time quantitative computation and analysis.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Power generation system and method
InactiveUS7178616B2Internal combustion piston enginesFuel cell auxillariesInternal combustion engineChemical measurement
Owner:DELPHI TECH INC
High efficiency gas sweetening system and method
Owner:BP CORP NORTH AMERICA INC
Real-time diagnosis method of rotor original quality imbalance fault of turbo generator set
InactiveCN101738293AMethod scienceConclusion scienceStatic/dynamic balance measurementVibration amplitudeControl theory
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
Device and method for automatically displaying vibration signal characteristics of turbo generator unit
InactiveCN101706356AEnhance interestLower level requirementsEngine testingVibration testingGraphicsEngineering
The invention discloses a device and a method for automatically displaying vibration signal characteristics of a turbo generator unit, and relates to the field of machinery monitoring, which is used for helping a user understand a vibration signal analysis graphics. The device comprises a typical vibration fault module, a fault symptom module, a signal analysis module, a characteristic calculation module and a display module, wherein the signal analysis module is used for analyzing a vibration signal to acquire the corresponding analysis graphics; the characteristic calculation module is used for acquiring a corresponding fault type and a symptom of the fault type respectively from the typical vibration fault module and the fault symptom module according to the analysis graphics acquired by the signal analysis module, and calculating the credibility of the symptom and credibility of the fault; and the display module is used for displaying a calculation result of the characteristic calculation module in the analysis graphics. The method comprises the following steps of: analyzing the vibration signal to acquire the corresponding analysis graphics; acquiring the corresponding fault type and the symptom of the fault type according to the analysis graphics, and calculating the credibility of the symptom and the credibility of the fault; and displaying the calculation result in the analysis graphics.
Owner:BEIJING YINGHUADA SOFTWARE ENG
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