序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
101 PARALLEL MOTION HEAT ENERGY POWER MACHINE AND WORKING METHOD THEREOF US15307839 2014-09-23 US20170058701A1 2017-03-02 Yuanjun GUO
A parallel motion heat energy power machine and a working method thereof, includes a heat collector, an insulating pipe, a gasification reactor, an atomizer, a cylinder, a piston, a piston ring, an automatic exhaust valve, a cooler, a liquid storage tank, a pressure pump, a push-pull rod, an insulating layer, and a housing. The two cylinders are oppositely arranged on the housing in parallel. The piston is arranged inside the cylinder. The piston is provided with the piston ring. The pistons are arranged on both ends of the push-pull rod. The heat collector is connected to the gasification reactor through the insulating pipe. The atomizer is arranged on the air inlet end of the gasification reactor. The parallel motion heat energy power machine and working method thereof has a high heat-energy conversion efficiency. It is energy-saving, environmentally friendly, and less noisy.
102 Thermal energy storage for combined cycle power plants US14115174 2012-01-10 US09540957B2 2017-01-10 Reuel Shinnar; Hitesh Bindra
Thermal storage systems that preferably do not create substantially any additional back pressure or create minimal additional back pressure and their applications in combined cycle power plants are disclosed. In one embodiment of the method for efficient response to load variations in a combined cycle power plant, the method includes providing, through a thermal storage tank, a flow path for fluid exiting a gas turbine, placing in the flow path a storage medium comprising high thermal conductivity heat resistance media, preferably particles, the particles being in contact with each other and defining voids between the particles in order to facilitate flow of the fluid in a predetermined direction constituting a longitudinal direction, arrangement of the particles constituting a packed bed, dimensions of the particles and of the packed bed being selected such that a resultant back pressure to the gas turbine is at most a predetermined back pressure.
103 METHOD FOR OPERATING A STEAM TURBINE PLANT US15023029 2014-09-10 US20160222832A1 2016-08-04 Uwe Lenk; Alexander Tremel
A method for operating a steam turbine plant including a steam turbine and a steam generator allows a power reserve to be provided whilst simultaneously maintaining a high level of efficiency in the normal mode of operation. The steam turbine plant includes a heat reservoir which is associated with the steam turbine, from which the steam is removed and is fed to the steam turbine. The steam is fed to the steam turbine when the steam generator is not in operation.
104 DISPATCHABLE SOLAR HYBRID POWER PLANT US14722945 2015-05-27 US20150354545A1 2015-12-10 William M. CONLON
A solar hybrid power plant comprises a combustion turbine generator, a steam power system, a solar thermal system, and an energy storage system. Heat from the solar thermal system, from the energy storage system, or from the solar thermal system and the energy storage system is used to generate steam in the steam power system. Heat from the combustion turbine generator exhaust gas may be used primarily for single phase heating of water or steam in the steam power system. Alternatively, heat from the combustion turbine generator exhaust gas may be used in parallel with the energy storage system and/or the solar thermal system to generate steam, and additionally to super heat steam. Both the combustion turbine generator and the steam power system may generate electricity.
105 EXPANDED GAS POWER PLANT FOR ENERGY STORAGE US14427826 2013-06-19 US20150252726A1 2015-09-10 Christian Brunhuber; Katja Knobloch; Wolfgang Menapace; Frank Strobelt; Nicolas Vortmeyer; Gerhard Zimmermann
A method for operation of a gas power plant, and to a gas power plant of this type, comprising a gas turbine, which is connected to a generator that can also be operated as a motor and which is thermally coupled to a water vapour circuit by way of a first heat exchanger are provided. The method includes: operating the generator as a motor in such a way that a heated gas flow is discharged from the gas turbine; thermally treating of water in the water vapour circuit via the first heat exchanger by the heated gas flow; storing of the water thermally treated in this way in a vapour accumulator; operating a steam turbine with water vapour taken from the vapour accumulator; diverting of the water vapour after interaction with the steam turbine into a vapour chamber for condensation; and collecting of the condensed water in a condensate reservoir.
106 SOLAR THERMAL POWER SYSTEM US14155845 2014-01-15 US20150226187A1 2015-08-13 Enrico CONTE; Nicolas MARCHAL
A solar thermal power system includes a solar receiver and a thermal energy storage arrangement including thermal energy storage fluid to be circulated through the solar receiver to store thermal energy. The system includes a multistage steam turbine operable on variable pressure steam generated by primary and secondary arrangements, by utilizing the fluid. The primary arrangement generates and supplies a high pressure steam to a high pressure turbine inlet, and exits from a high pressure turbine outlet. The secondary arrangement having a reheat assembly, to generate an intermediate pressure steam from the fluid, received from the storage arrangement through the reheat assembly. The intermediate pressure steam and released steam from a high pressure turbine outlet are mixed and reheated in the reheat assembly to be supplied to an intermediate pressure turbine inlet.
107 AUXILIARY STEAM SUPPLY SYSTEM IN SOLAR POWER PLANTS US14074889 2013-11-08 US20150128593A1 2015-05-14 Rahul J. TERDALKAR; Romain GIRARD
An auxiliary steam supply system in a solar power plant includes a solar receiver having a superheater section, a turbine, a steam circuit, a thermal energy storage arrangement and an auxiliary steam circuit. The thermal energy storage arrangement, including a thermal energy storage medium, is configured for the steam circuit to receive a portion of the steam to heat the thermal energy storage medium. The thermal energy storage arrangement may receive the steam from any location across the superheater section. Moreover, the auxiliary steam circuit generating auxiliary steam flow, which thermally communicates with the thermal energy storage arrangement to be heated, is introduced to any location across the superheater section. Capacity of the thermal energy storage arrangement may be relatively small as compared to the solar receiver and may be compact for placement on top of a tower.
108 SYSTEMS, METHODS, AND DEVICES FOR LIQUID AIR ENERGY STORAGE IN CONJUNCTION WITH POWER GENERATING CYCLES US14524815 2014-10-27 US20150113940A1 2015-04-30 STANISLAV SINATOV; LEON AFREMOV; ARNOLD J. GOLDMAN
Systems, methods, and devices are provided for liquid air energy storage in conjunction with power generating cycles. A system can comprise a power generation apparatus and an energy storage apparatus. The energy storage apparatus can comprise a thermal energy storage unit, and the power generation apparatus and energy storage apparatus can be interconnected via the thermal energy storage unit enabling energy transfer from a first cycle of one of the power generation apparatus and energy storage apparatus to a second cycle of the other apparatus.
109 SYSTEMS AND METHODS FOR POWER PEAKING WITH ENERGY STORAGE US14283671 2014-05-21 US20150069758A1 2015-03-12 Chal S. Davidson; Steven A. Wright
Disclosed illustrative embodiments include systems and methods for power peaking with energy storage. In an illustrative, non-limiting embodiment, a power plant includes a thermodynamic piping circuit having a working fluid contained therein, and the working fluid has a flow direction and a flow rate. Power plant components are interposed in the thermodynamic piping circuit. The power plant components include a compressor system, a recuperator system, a heat source, a turbine system, a heat rejection system, and a thermal energy transfer system. A valving system is operable to selectively couple the heat rejection system, the thermal energy storage system, and the compressor system in thermohydraulic communication with the working fluid maintaining the flow direction and the flow rate to implement a thermodynamic cycle chosen from a Brayton cycle, a combination Brayton cycle/refrigeration cycle, and a Rankine cycle.
110 Gas turbine energy storage and conversion system US13911832 2013-06-06 US08708083B2 2014-04-29 David William Dewis; James Kesseli; Frank Wegner Donnelly; Thomas Wolf; John D. Watson
The present invention combines the principles of a gas turbine engine with an electric transmission system. A method and apparatus are disclosed for utilizing metallic and ceramic elements to store heat energy derived from a regenerative braking system. The subject invention uses this regenerated electrical energy to provide additional energy storage over conventional electrical storage methods suitable for a gas turbine engine. The subject invention provides engine braking for a gas turbine engine as well as reducing fuel consumption.
111 Gas turbine energy storage and conversion system US12777916 2010-05-11 US08499874B2 2013-08-06 David William Dewis; James Kesseli; Frank Wegner Donnelly; Thomas Wolf; Timothy Upton; John D. Watson
The present invention combines the principles of a gas turbine engine with an electric transmission system. A method and apparatus are disclosed for utilizing metallic and ceramic elements to store heat energy derived from a regenerative braking system. The subject invention uses this regenerated electrical energy to provide additional energy storage over conventional electrical storage methods suitable for a gas turbine engine. The subject invention provides engine braking for a gas turbine engine as well as reducing fuel consumption.
112 METHOD AND APPARATUS TO STORE ENERGY US13318543 2010-06-30 US20120110993A1 2012-05-10 Kenneth Whittaker; David Ellis
A method to store energy, the method comprising: (b) providing a phase change material, having a melting point of at least 500° C., in a container; (c) heating the phase change material to cause at least a portion thereof to melt and so store heat therein; (d) storing the phase change material for a period of time being at least one minute; (e) using at least a portion of heat from the phase change material as a power source; (e) moving the container and the phase change material from a first location to a second location, the first and second locations being spaced apart by at least 10 metres. Embodiments of the invention may be used for a variety of purposes, such as for vehicle propulsion, oil well stimulation and recovery of crude oil from sunken tankers. A vehicle may be moved to a location proximate to where the power source is required which is more convenient and indeed allows steam to be supplied in areas which where hitherto not possible. For certain embodiments the power source produced is used to propel a vehicle comprising the power source. Certain embodiments use a Stirling engine whilst others generate a steam source. In preferred embodiments steam is recovered after use as the power source and preferably reheated as per step (e).
113 THERMOELECTRIC ENERGY STORAGE SYSTEM AND METHOD FOR STORING THERMOELECTRIC ENERGY US13005249 2011-01-12 US20110100611A1 2011-05-05 Christian OHLER; Mehmet Mercangoez
A system and method are provided for thermoelectric energy storage. A thermoelectric energy storage system having at least one hot storage unit is provided. In an exemplary embodiment, each hot storage unit includes a hot tank and a cold tank connected via a heat exchanger and containing a thermal storage medium. The thermoelectric energy storage system also includes a working fluid circuit for circulating working fluid through each heat exchanger for heat transfer with the thermal storage medium. Improved roundtrip efficiency is achieved by minimizing the temperature difference between the working fluid and the thermal storage medium in each heat exchanger during heat transfer. Exemplary embodiments realize this improved roundtrip efficiency through modification of thermal storage media parameters.
114 Thermodynamic power generation system US12708088 2010-02-18 US20100212316A1 2010-08-26 Robert Waterstripe; Gary Hoffman; Richard Willoughby
A power generation system that includes a heat source loop that supplies heat to a turbine loop. The heat can be waste heat from a steam turbine, industrial process or refrigeration or air-conditioning system, solar heat collectors or geothermal sources. The heat source loop may also include a heat storage medium to allow continuous operation even when the source of heat is intermittent. In the turbine loop a working fluid is boiled, injected into the turbine, recovered condensed and recycled. The power generation system further includes a heat reclaiming loop having a fluid that extracts heat from the turbine loop. The fluid of the heat claiming loop is then raised to a higher temperature and then placed in heat exchange relationship with the working fluid of the turbine loop. The turbine includes one or more blades mounted on a rotating member. The turbine also includes one or more nozzles capable of introducing the gaseous working fluid, at a very shallow angle on to the surface of the blade or blades at a very high velocity. The pressure differential between the upstream and downstream surfaces of the blade as well as the change in direction of the high velocity hot gas flow create a combined force to impart rotation to the rotary member.
115 Heat energy recovery apparatus US11366438 2006-03-03 US07448213B2 2008-11-11 Shinichi Mitani
A heat energy recovery apparatus include a compressor which has a piston for compressing sucked-in working gas; a heat exchanger which makes the working gas compressed by the compressor absorb heat of high temperature fluid; an expander which has a piston to be moved under pressure by expansion of the heat-absorbed working gas; and an accumulator which stores the working gas compressed by the compressor when required output is low or heat receiving capacity of the working gas is small. The apparatus preferably include a blocking unit which blocks discharge of the working gas from the expander when the heat receiving capacity of the working gas is small and the compressed working gas to the accumulator is being stored.
116 High Efficiency Absorption Heat Pump and Methods of Use US11306911 2006-01-16 US20070089449A1 2007-04-26 Michael Gurin
A high efficiency absorption heat pump cycle is disclosed using a high pressure stage, a supercritical cooling stage, and a mechanical energy extraction stage to provide a non-toxic combined heat, cooling, and energy system. Using the preferred carbon dioxide gas with partially miscible absorber fluids, including the preferred ionic liquids as the working fluid in the system, the present invention desorbs the CO.sub.2 from an absorbent and cools the gas in the supercritical state to deliver heat. The cooled CO.sub.2 gas is then expanded, preferably through an expansion device transforming the expansion energy into mechanical energy thereby providing cooling, heating temperature lift and electrical energy, and is returned to an absorber for further cycling. Strategic use of heat exchangers, preferably microchannel heat exchangers comprised of nanoscale powders and thermal-hydraulic compressor/pump can further increase the efficiency and performance of the system.
117 Method of and system for utilizing thermal energy accumulator US713570 1985-03-18 US4555905A 1985-12-03 Hajime Endou
A method and system is described which employs a thermal energy accumulator in which a thermal energy fluid and hot water coexist with each other. Hot water is taken out of the accumulator and supplied as thermal energy to an energy utilization compound arrangement of a total flow turbine and a steam turbine driving an electric power generator. The thermal energy fluid may be in the form of saturated steam, for example.
118 Automatic steam pressure generator US678987 1976-04-21 US4079586A 1978-03-21 Elmo Kincaid, Jr.
An automatic steam pressure generator comprises compression means to compress ambient air, power means to power the compression means, an air receiving tank to store the compressed air, continuous combustion burner means to burn fuel with the compressed air providing a high pressure, high temperature combustion product, water injection means to inject water into the combustion products providing a lower temperature mixture of steam and combustion products, and a steam storage tank to store the mixture of steam and combustion products. Steam supply control means and burner control means are responsive to the pressure in the steam storage means regulating the amount of the mixture that is produced in order to provide automatically a relatively constant pressure supply of the mixture.
119 Large steam power plant suitable for handling peak loads US3448581D 1968-01-15 US3448581A 1969-06-10 NETTEL FREDERICK
120 Accumulator plant US6527136 1936-02-24 US2089915A 1937-08-10 PAUL GILLI
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