Producing Power By Heating And Cooling A Single Phase Fluid Patents (Class 60/650)
  • Patent number: 10746097
    Abstract: A compressed air energy storage power generation device includes a first heat exchanger, a heat storage tank, a second heat exchanger, a heating unit, a first power distributor, and a controller. The first heat exchanger performs heat exchange between the compressed air from a compressor and the heating medium. The heat storage tank stores the heating medium heatexchanged by the first heat exchanger. The second heat exchanger performs heat exchange between the compressed air from an accumulator tank and the heating medium from the heat storage tank. The first power distributor distributes the generated power of the power generator to a power system and the heating unit. When the internal pressure of the accumulator tank reaches a predetermined pressure and the generated power is larger than the power demand, the controller supplies a part or all of the generated power to the heating unit by the first power distributor.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: August 18, 2020
    Assignee: Kobe Steel, Ltd.
    Inventors: Yohei Kubo, Masatake Toshima, Makoto Nishimura, Masaki Matsukuma, Hiroki Saruta, Kanami Sakamoto
  • Patent number: 10731514
    Abstract: The invention relates to a method of fluid exchange using a separation apparatus, in controlled fluid communication with an inlet and an outlet. Opening of the inlet enables fluid communication with the separation apparatus, exchange of fluid (a “first fluid exchange”) of a first volume of fluid, sealing/closing preventing further fluid communication. Opening of the outlet to be in fluid communication with the separation apparatus enables exchange of fluid (a “second fluid exchange”) through the open outlet of a second volume of fluid. In the method, the outgoing volume of fluid and the incoming volume of fluid in each exchange are substantially similar and there is substantially no loss of pressure by virtue of the exchange. The invention also relates to a separation apparatus, including a separation chamber and a control system.
    Type: Grant
    Filed: December 24, 2016
    Date of Patent: August 4, 2020
    Assignee: GREAT SOUTHERN MOTOR COMPANY PTY. LTD.
    Inventor: Derek Auret
  • Patent number: 10714768
    Abstract: The fuel cell system of a motor vehicle has a fuel cell, comprising an anode side and a cathode side, a compressor, which is rotationally connected to a motor and connected by a feed line to the cathode side of the fuel cell, and a turbine, which is connected by an exhaust air line to the cathode side and which furthermore is rotationally connected only to a generator, which is connected at the output side to a second inverter and a low-voltage battery.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: July 14, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Julio Orozco, Arnulf Sponheimer
  • Patent number: 10690053
    Abstract: A device for temporary storage of gas and heat includes a plurality of compressors for compressing a gas, a plurality of compression stages connected in series, each compression stage including one of the plurality of compressors and a gas flow path connected downstream of the one of the plurality of compressors, at least one pressure vessel connected downstream of a last compression stage of the plurality of compression stages in the series for storing the gas compressed by the plurality of compressors, and a heat accumulator arrangement including a plurality of heat accumulators connected in a heat accumulator sequence for storing the heat generated by the compression of the gas, the gas flow path of each compression stage passing through the heat accumulators in succession in the heat accumulator sequence.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: June 23, 2020
    Assignee: APT GMBH—ANGEWANDTE PHYSIK & TECHNOLOGIE
    Inventor: Bernd Geisler
  • Patent number: 10533564
    Abstract: A method for compression of an incoming feed air stream using at least two variable speed compressor drive assemblies controlled in tandem is provided. The first variable speed drive assembly drives at least one compression stage in the lower pressure compressor unit driven while the second variable speed drive assembly drives higher pressure compression stage disposed either in the common air compression train or the split functional compression train of the air separation plant. The first and second variable speed drive assemblies are preferably high speed, variable speed electric motor assemblies each having a motor body, a motor housing, and a motor shaft with one or more impellers directly and rigidly coupled to the motor shaft via a sacrificial rigid shaft coupling.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: January 14, 2020
    Assignee: PRAXAIR TECHNOLOGY, INC.
    Inventors: Henry E. Howard, Carl L. Schwarz, Ahmed F. Abdelwahab, Lee J. Rosen, Nick J. Degenstein, Reh-Lin Chen
  • Patent number: 10533565
    Abstract: A method for compression of an incoming feed air stream using at least two variable speed compressor drive assemblies controlled in tandem is provided. The first variable speed drive assembly drives at least one compression stage in the lower pressure compressor unit driven while the second variable speed drive assembly drives higher pressure compression stage disposed either in the common air compression train or the split functional compression train of the air separation plant. The first and second variable speed drive assemblies are preferably high speed, variable speed electric motor assemblies each having a motor body, a motor housing, and a motor shaft with one or more impellers directly and rigidly coupled to the motor shaft via a sacrificial rigid shaft coupling.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: January 14, 2020
    Assignee: PRAXAIR TECHNOLOGY, INC.
    Inventors: Henry E. Howard, Carl L. Schwarz, Ahmed F. Abdelwahab, Lee J. Rosen, Nick J. Degenstein, Reh-Lin Chen
  • Patent number: 10519962
    Abstract: A method for compression of an incoming feed air stream using at least two variable speed compressor drive assemblies controlled in tandem is provided. The first variable speed drive assembly drives at least one compression stage in the lower pressure compressor unit driven while the second variable speed drive assembly drives higher pressure compression stage disposed either in the common air compression train or the split functional compression train of the air separation plant. The first and second variable speed drive assemblies are preferably high speed, variable speed electric motor assemblies each having a motor body, a motor housing, and a motor shaft with one or more impellers directly and rigidly coupled to the motor shaft via a sacrificial rigid shaft coupling.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: December 31, 2019
    Assignee: PRAXAIR TECHNOLOGY, INC.
    Inventors: Henry E. Howard, Carl L. Schwarz, Ahmed F. Abdelwahab, Lee J. Rosen, Nick J. Degenstein, Reh-Lin Chen
  • Patent number: 10381138
    Abstract: Disclosed are a resistor, a heat dissipater and a combinatory device of the resistor and the heat dissipater, and relates to the field of power electronics. The resistor is cylindrical, and comprises a metal end, an insulating part, a casing, metal bars, a resistor wire, thermally conductive insulating fillers and a metal connection mechanism. The metal connection mechanism of the resistor and the heat dissipater are connected by means of direct contact. The structure and the connection method can shorten the length of the resistor, completely insulate the electrical circuits of the resistor from the possible leakage of the water inlet- and outlet-pipe of the heat dissipater, and enable the combinatory device of the resistor and the heat dissipater to be structurally more compact and the connections thereof cleaner.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: August 13, 2019
    Assignees: NR ELECTRIC CO., LTD, NR ENGINEERING CO., LTD, NR ELECTRIC POWER ELECTRONICS CO., LTD.
    Inventors: Taixun Fang, Xiang Zhang, Lei Liu, Zhao Li, Guangtai Zhang, Fengfeng Ding, Huiliang Zhang
  • Patent number: 10288520
    Abstract: An apparatus and a process for testing a large combustor or a high Mach aero vehicle in a wind tunnel, where liquid air stored in a tank is pumped to a high pressure above 1,500 psi, then vaporized to produce gaseous air at the same high pressure, where the high pressure gaseous air is then heated to a high temperature and then passed into a combustor for testing or passed through a converging diverging nozzle and then into a wind tunnel to produce a non-vitiated gaseous air flow of at least Mach 5 for testing of an aero vehicle. Water can be added to the high pressure liquid air to produce an air flow having a normal water content.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: May 14, 2019
    Assignee: FLORIDA TURBINE TECHNOLOGIES, INC
    Inventors: Timothy J Miller, John E Ryznic
  • Patent number: 10260379
    Abstract: The present invention provides a method of operating an engine (14) having one or more cylinders (16) each having a piston (18) within the cylinder (16) and each piston (18) having an expansion stroke and a return stroke and a top dead center (TDC) position and a bottom dead center position (BDC) and said engine (14) employing a working fluid (WF) and a heat exchange fluid (HEF), comprising the steps of: introducing the HEF during the return stroke of the engine; introducing the working fluid (WF) during the expansion stroke of the engine; causing the exhaust valve to be opened at or near bottom dead center of the piston BDC; delivering the HEF to the cylinder (16) after the exhaust valve has been opened; and closing the exhaust valve before TDC, such as to allow the working fluid to be compressed by the piston within the cylinder. The invention also provides an engine (14) capable of being operated in accordance with the method.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: April 16, 2019
    Assignee: DEARMAN ENGINE COMPANY LIMITED
    Inventors: Peter Dearman, Michael Dearman, Don Old, Henry Clarke, Difei Zhao
  • Patent number: 10202874
    Abstract: The present invention relates to the supercritical CO2 generation system applying plural heat sources. The supercritical CO2 generation system applying plural heat sources includes a pump circulating a working fluid; a plurality of heat exchangers heating the working fluid using an external heat source and including a plurality of constrained heat sources having an emission regulation condition of an outlet end thereof and a plurality of general heat sources without the emission regulation condition; a plurality of turbines operated by the working fluid heated by passing through the heat exchangers; and a plurality of recuperators cooling the working fluid passing through the turbines by heat exchange between the working fluid passing through the turbines and the working fluid passing through the pump, wherein the working fluid passing through the turbine is branched into the recuperators, respectively.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: February 12, 2019
    Assignee: Doosan Heavy Industries & Construction Co., Ltd.
    Inventors: Hak Soo Kim, Song Hun Cha, Sang Hyeun Kim, Jun Tae Jang
  • Patent number: 9897348
    Abstract: The invention relates to a device for converting thermal energy of a low temperature into thermal energy of a high temperature by means of mechanical energy, and vice versa, comprising a rotor which is mounted so as to rotate about a rotational axis and in which a flow channel is provided for a working medium that circulates in a closed circuit process, said medium being conducted outwards, relative to the rotational axis, in a compression unit in order to increase pressure, and being conducted inwards, relative to the rotational axis, in an expansion unit in order to reduce pressure. At least one heat exchanger is provided for exchanging heat between said working medium and a heat exchange medium.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: February 20, 2018
    Assignee: ECOP TECHNOLOGIES GMBH
    Inventors: Bernhard Adler, Sebastian Riepl
  • Patent number: 9890712
    Abstract: Cryogenic energy storage systems, and particularly methods for capturing cold energy and re-using that captured cold energy, are disclosed. The systems allow cold thermal energy from the power recovery process of a cryogenic energy storage system to be captured effectively, to be stored, and to be effectively utilized. The captured cold energy could be reused in any co-located process, for example to enhance the efficiency of production of the cryogen, to enhance the efficiency of production of liquid natural gas, and/or to provide refrigeration. The systems are such that the cold energy can be stored at very low pressures, cold energy can be recovered from various components of the system, and/or cold energy can be stored in more than one thermal store.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: February 13, 2018
    Assignee: Highview Enterprises Limited
    Inventors: Robert Morgan, Stuart Nelmes, Nicola Castellucci, Stephen Gareth Brett
  • Patent number: 9822705
    Abstract: A power augmentation system for a gas turbine that is electrically coupled to a power grid incudes, in serial flow order, a compressed air supply, a compressed air storage tank and an expansion turbine that is disposed downstream from the compressed air storage tank. An exhaust outlet of the expansion turbine is in fluid communication with at least one of an inlet section or a compressor of the gas turbine.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: November 21, 2017
    Assignee: GENERAL ELECRIC COMPANY
    Inventors: Kihyung Kim, Diego Fernando Rancruel, Leslie Yung Min Tong, Stephen R. Watts, Kamlesh Mundra
  • Patent number: 9689608
    Abstract: Processes and devices for recovering natural gas liquid from a hydrocarbon containing gas are provided by introduction of compressed air to a vortex tube. The vortex tube generates a cold air stream that is introduced into a heat exchanger. A hydrocarbon containing gas of higher temperature than the cold air stream is introduced into the heat exchanger, so that the cold air stream in the heat exchanger cools the hydrocarbon containing gas to condense natural gas vapors in the hydrocarbon containing gas to liquid hydrocarbons. In this manner, liquid hydrocarbons and dry hydrocarbon containing gas are obtained.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: June 27, 2017
    Assignee: Leed Fabrication Services, Inc.
    Inventor: Casey L. Beeler
  • Patent number: 9638068
    Abstract: A method for energy storage and recovery is based on the liquid air energy storage (LAES) operated at the pressure relationship such that the pressure of discharge air is greater than the charge air to provide a high round-trip efficiency. External cold source and cold thermal energy storage are used in a LAES to achieve a decrease in the LAES capital costs. A demand for a supplemental cold energy provided by external sources may be minimized. These features alone or in combination may result in reduced power demand required for cooling.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: May 2, 2017
    Assignee: MADA ENERGIE LLC
    Inventors: Stanislav Sinatov, Leon Afremov
  • Patent number: 9559522
    Abstract: An energy management system includes at least one distributed energy source for producing energy, the distributed energy source in electrical communication with at least one consumer device to be powered by electric power, and in electrical communication with an electric utility. The device also includes a CPU in communication with the at least one distributed energy source, the CPU operable to control the flow of energy produced by the at least one distributed energy source. The CPU manipulates the flow of energy to provide efficient usage of the energy based on information from the at least one consumer and the electric utility.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: January 31, 2017
    Inventor: Kevin James Williams
  • Patent number: 9482210
    Abstract: A solar thermal power generation facility is provided with turbine bypass piping (74) which makes some of compressed air from a compressor (10) bypass a turbine (20), a turbine bypass valve (75) which adjusts the flow rate of the compressed air flowing through the turbine bypass piping (74), and a control device (80) which controls the rotational torque of a turbine rotor (21) by opening the turbine bypass valve (75) before a rotor rotational speed reaches a rated rotational speed in a speeding-up process of the rotor rotational speed by a start-up device (60) and adjusting the flow rate of the compressed air that is made to bypass, by the turbine bypass valve (75). The control device (80) instantaneously fully closes the turbine bypass valve (75) at the time of incorporation in which a power generator (50) is connected to an electric power system (S).
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: November 1, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shoichi Harada, Kazuya Higashi, Takashi Sonoda, Keisuke Yamamoto, Yoshifumi Iwasaki, Tatsuya Iwasaki, Sumio Toyofuku, Kazuma Nishizawa
  • Patent number: 9482109
    Abstract: A compressed gas energy storage and release (CGESR) system and method. The system has a gas compressor, a container for storing compressed gas, a pressure engine, and an underground high temperature region. Conduits connect the gas compressor, the container and the pressure engine. The compressed gas drives the pressure engine. An electrical power generating means is operatively connected to said pressure engine to generate electricity. The system further comprises a means to heat at least a portion of one of the conduits utilizing heat from the underground high temperature region to heat the compressed gas therein prior to driving the pressure engine.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: November 1, 2016
    Inventor: Andrew Marks de Chabris
  • Patent number: 9410869
    Abstract: A process for testing a combustor or a compressor of a gas turbine engine, where a large volume of compressed air is stored in a large reservoir of at least 10,000 m3 such as an underground storage cavern, compressed air from the storage reservoir is passed through an air turbine to drive a compressor to produce high pressure and temperature compressed air, and where the compressed air can be discharged into a combustor and burned with a fuel for testing of the combustor under simulated conditions of a real gas turbine engine.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: August 9, 2016
    Assignee: S & J DESIGN LLC
    Inventors: Joseph D Brostmeyer, Robert L Memmen
  • Patent number: 9249811
    Abstract: A compressed air energy storage system comprises a high-pressure water apparatus, a low-pressure water apparatus coupled to the high-pressure water apparatus through two channels, wherein a first channel is formed by a pumped hydroelectric power generation unit, a first high-pressure pipe and a first low-pressure pipe and a second channel is formed by a gas-water energy exchange unit, a second high-pressure pipe and a second low-pressure pipe and a compressed gas storage unit coupled to the gas-water energy exchange unit.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: February 2, 2016
    Assignee: North China Electric Power University
    Inventor: Tong Jiang
  • Patent number: 9228485
    Abstract: An air handling system having a cooling assembly is disclosed. The air handling system may include a first turbocharger having a first compressor, a second turbocharger having a second compressor connected in parallel with the first compressor, and a third turbocharger fluidly connected to the first and second turbochargers. The third turbocharger may have a third compressor connected downstream of the first and second compressors. The air handling system may also include a cooling assembly connected to the first, second, and third turbochargers. The air handling system may further include a first passage fluidly connecting the first turbocharger to a first side surface of the cooling assembly, and a second passage fluidly connecting the second turbocharger to a second side surface of the cooling assembly opposite the first side surface. The first and second passages may be configured to direct compressed air into the cooling assembly in generally opposite directions.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: January 5, 2016
    Assignee: Electro-Motive Diesel, Inc.
    Inventors: Gary Robert Svihla, Joshua David Schueler
  • Patent number: 9032734
    Abstract: Disclosed illustrative embodiments include modular power infrastructure networks, distributed electrical power infrastructure networks, methods for operating a modular power infrastructure network, and methods for fabricating a modular power infrastructure network.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 19, 2015
    Assignee: SuperCritical Technologies, Inc.
    Inventors: Chal S. Davidson, Joshua C. Walter, Steven A. Wright
  • Patent number: 8991183
    Abstract: A thermal energy storage and recovery device is disclosed which includes a heat exchanger arrangement configured for guiding a flow of a heat transfer medium between a first end and a second end, and a heat storage material surrounding the heat exchanger arrangement so that a thermal interaction region is formed for thermally coupling the heat transfer medium with the heat storage material. The heat exchanger arrangement is sealed against the heat storage material so that, when in a first operational mode, in which the heat storage material is supposed to receive thermal energy from the heat transfer medium, a compressed gas is usable as the heat transfer medium for transferring thermal energy from the heat transfer medium to the heat storage material.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: March 31, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventor: Henrik Stiesdal
  • Patent number: 8978381
    Abstract: A method of constructing self-powered air-conditioner comprises a convergent divergent nozzle where powered fan pushes air into said nozzle. While the pushed air accelerates toward the nozzle throat it becomes colder as air internal energy transformed into kinetic energy. An axial turbine installed within the nozzle throat extracts energy from the air in the nozzle and drives an electrical generator that provides electricity to the fan electric motor. Alternatively the turbine and fan are installed on common shaft, which could be the electric generator shaft. The cold air within the nozzle throat cools the nozzle throat skin, which serves as air-conditioner core. The cold nozzle skin is wrapped with coiled pipes in which liquid flows, becomes colder and this cold liquid flows away to heat exchanger where air is flowing through it and becomes colder. This cold air is then flows into spaces needed to be air-conditioned.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: March 17, 2015
    Inventor: Israel Hirshberg
  • Patent number: 8978380
    Abstract: A compressed air energy storage system including a compressor adapted to receive a process gas and output a compressed process gas. A heat transfer unit may be coupled to the compressor and adapted to receive the compressed process gas and a heat transfer medium and to output a cooled process gas and a heated heat transfer medium. A compressed gas storage unit may be coupled to the heat transfer unit and adapted to receive and store the cooled process gas. A waste heat recovery unit may be coupled to the heat transfer unit and adapted to receive the heated heat transfer medium.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: March 17, 2015
    Assignee: Dresser-Rand Company
    Inventors: H. Allan Kidd, Harry F. Miller
  • Publication number: 20150059342
    Abstract: A system for storing and outputting thermal energy and a method for operating the system are provided. The system operates according to the Brayton cycle, wherein a heat accumulator is charged by a compressor and a cold accumulator is charged by turbines. The cycle is reversed for discharging. In addition, the cold accumulator supplies a cooling circuit, which provides the cooling for a superconducting generator by a cooling unit. A favorable generator weight can thereby be advantageously achieved in particular for wind turbines, because the generators are limited regarding the weight thereof due to being housed in the nacelle of the wind power plant. Thus, advantageously higher power can be converted in the wind power plant.
    Type: Application
    Filed: March 28, 2013
    Publication date: March 5, 2015
    Applicant: Siemens Aktiengesellschaft
    Inventors: Ursus Krüger, Daniel Reznik, Henrik Stiesdal
  • Patent number: 8950392
    Abstract: A system for converting solar energy to chemical energy, and, subsequently, to thermal energy includes a light-harvesting station, a storage station, and a thermal energy release station. The system may include additional stations for converting the released thermal energy to other energy forms, e.g., to electrical energy and mechanical work. At the light-harvesting station, a photochemically active first organometallic compound, e.g., a fulvalenyl diruthenium complex, is exposed to light and is photochemically converted to a second, higher-energy organometallic compound, which is then transported to a storage station. At the storage station, the high-energy organometallic compound is stored for a desired time and/or is transported to a desired location for thermal energy release.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: February 10, 2015
    Assignee: The Regents of the University of California
    Inventors: K. Peter C. Vollhardt, Rachel A. Segalman, Arunava Majumdar, Steven Meier
  • Patent number: 8904792
    Abstract: Systems and methods are disclosed for storing energy and generating power and/or heat within a subsea environment. The systems and methods utilize stored compressed air within an air storage chamber to drive an engine/generator system in order to generate power. The engine may or may not utilize combustion. Alternatively, the systems and methods utilize stored compressed air to supply air to a combustor to generate heat. The heat generated can be used for variety of purposes, including to generate steam and to heat heavy oil.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: December 9, 2014
    Assignee: Chevron U.S.A. Inc.
    Inventors: Harrison W. Sigworth, Jr., Trevor N. Demayo, Yaofan Yi
  • Patent number: 8899046
    Abstract: The present invention relates to a method of converting thermal energy into mechanical energy using a non-gaseous working medium present in an apparatus comprising a plurality of heat exchangers and an outgoing shaft. In accordance with the invention, the apparatus used comprises a multitude of chamber units, a chamber unit comprising an inlet for introducing heat exchange medium and an outlet for discharging heat exchange medium as well as a closed chamber having a heat exchanger wall for exchanging heat between working medium inside the closed chamber and the heat exchange medium introduced into the chamber unit via said inlet for introducing heat exchange medium and heat exchange medium is passed around so as to do work when it is giving off heat to a chamber unit containing relatively cool working medium and recuperate heat when it is passed through a chamber unit containing relatively warm working medium. The invention also relates to an apparatus for performing the method.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: December 2, 2014
    Assignee: Cyclo Dynamics B.V.
    Inventor: Jeichienus Adriaan Van Der Werff
  • Patent number: 8833079
    Abstract: A method of converting energy into electricity using a gaseous working fluid and an evaporative fluid comprises pressuring the working fluid (20) in a compressor (1), heating the high-pressure working fluid (22) in a recuperator (8) using thermal energy in low-pressure working fluid (34) emerging from a turbine (2), adding energy from an energy source (5, 6) to increase the temperature and enthalpy of the working fluid (32), expanding the working fluid (32) through the turbine (2), using the turbine to generate electricity, and cooling the low-pressure working fluid (34) emerging from the turbine in the recuperator. The method further comprises lowering the temperature and increasing the mass of the high-pressure working fluid (22) after leaving the compressor (1), and/or after leaving the recuperator (8), by introducing the evaporative fluid (48, 49) to produce evaporative cooling.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: September 16, 2014
    Inventor: Douglas W. P. Smith
  • Patent number: 8833078
    Abstract: The present invention is directed generally to a system and method which employ a compressed gas-driven device with a passive thermodynamic composition. Certain embodiments provide a compressed gas-driven (e.g., CO2-driven) device implementation that includes a passive thermodynamic composition which allows for extended use of the device without freezing and without requiring a persistently-maintained, active (e.g., electrically-powered) heating. Further, certain embodiments provide a compressed gas-driven (e.g., CO2-driven) device implementation that includes a passive thermodynamic composition which allows for extended use of the device without freezing and without requiring an ignition heat source (e.g., electrically-powered or pyrotechnic as generator) for heating the device.
    Type: Grant
    Filed: April 8, 2009
    Date of Patent: September 16, 2014
    Assignee: D2BG LLC
    Inventors: Daniel Galloway, Darrell Bevelhymer
  • Patent number: 8826664
    Abstract: An apparatus for storing energy includes a compression chamber for receiving a gas, a compression piston for compressing gas contained in the compression chamber, a first heat store for receiving and storing thermal energy from gas compressed by the compression piston, an expansion chamber for receiving gas after exposure to the first heat store, an expansion piston for expanding gas received in the expansion chamber, and a second heat store for transferring thermal energy to gas expanded by the expansion piston. The cycle used by the apparatus has two different stages that can be split into separate devices or combined into one device.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: September 9, 2014
    Assignee: Isentropic Limited
    Inventors: Jonathan Sebastian Howes, James Macnaghten
  • Patent number: 8794930
    Abstract: A solid-state device that is capable of imparting a directional momentum via thermoelectric microelements. High surface area is used to enhance the efficiency of heat transfer. The device can be operated in adiabatic mode in order to minimize thermal emissions. The thermoelectric microelements include at least a hot layer and a cold layer arranged in a stack and means for heating and/or cooling the hot and cold layers so that the cold layer has a lower temperature than the hot layer; and at least one through hole in the stack wherein an entire length of the through hole is up to 10 times of a mean free path of a gas in which the device is immersed and/or is not greater than 1500 nm.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: August 5, 2014
    Assignee: Game Changers, LLC
    Inventors: Jason D. Sanchez, Piotr A. Garbuz, Andrew D. Zonenberg
  • Patent number: 8754569
    Abstract: A thermo-magnetic power generation system includes a thermo-magnetic power generation device, a first circulating device, and a second circulating device. The first circulating device and the second circulating device are connected to the thermo-magnetic power generation device. The liquid is heated by the first circulating device and cooled by the second circulating device. The heated liquid and the cooled liquid transmitted to the thermo-magnetic element are recycled by the first circulating device and the second circulating device.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: June 17, 2014
    Assignee: Delta Electronics, Inc.
    Inventors: Chung-Jung Kuo, Tze-Chern Mao, Chieh-Cheng Liu, Ming-Tsz Lin, Ming-Han Lin, Jiun-Lin Wu, Jing-Mei Chou
  • Patent number: 8739536
    Abstract: The invention relates to a method of regulating the temperature of a heat regenerator (ST1, ST2) used in an installation (10) for storing energy by adiabatic compression of air. The regenerator is subjected to successive operating cycles, each cycle comprising a compression stage followed by an expansion stage. Between two successive cycles, the method consists in cooling a bottom compartment (26a) of the layer of refractory material (26) of the regenerator that is situated in the proximity of the bottom distribution box (24) in order to bring the air leaving the heat regenerator to a temperature that is compatible with the range of temperatures required during the compression stages. The invention also provides such a heat regenerator.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: June 3, 2014
    Assignee: GDF Suez
    Inventors: Patrick Canal, Lionel Nadau
  • Patent number: 8701412
    Abstract: Systems for recovering heat from a biomass gasifier are provided. One gasification system includes a gasifier having an inlet section configured to receive a biomass feedstock and air, and a reactor section configured to gasify a mixture of the biomass feedstock and the air to generate a producer gas. The gasifier also has an outlet section configured to output the producer gas from the reactor section. The gasification system also includes a heat exchanger system coupled to the gasifier. The heat exchanger system is configured to recover heat from the gasifier by transferring heat to a fluid to create a heated fluid.
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: April 22, 2014
    Assignee: General Electric Company
    Inventors: Jinmesh Pranav Majmudar, Omprakash Mall, Lakshmanan Subramanian, Avish Ivan Dsouza
  • Publication number: 20140102099
    Abstract: A power generation plant including a solar radiation receiver for heating a medium stream and a turbine assembly being arranged to receive the heated medium stream from the solar radiation receiver, said turbine assembly being coupled to an electric power generator, wherein a combustor is positioned downstream of the solar radiation receiver and upstream of the turbine assembly, an air compressor unit having a compressed air outlet is arranged to supply compressed combustion air to the combustor, and a steam generator is arranged to extract heat from an outlet flow from the turbine assembly, and to produce steam to be transmitted to a medium stream inlet of the solar radiation receiver and subsequently to combustor. The invention also related to a method.
    Type: Application
    Filed: June 13, 2012
    Publication date: April 17, 2014
    Applicant: EUROTURBINE AB
    Inventors: Hans-Erik Hansson, Leif Nilsson
  • Publication number: 20140096523
    Abstract: An apparatus performs a power cycle involving expansion of compressed air utilizing high pressure (HP) and low pressure (LP) air turbines located upstream of a gas turbine. The power cycle involves heating of the compressed air prior to its expansion in the HP and LP air turbines. Taking into consideration fuel consumption to heat the compressed air, particular embodiments may result in a net production of electrical energy of ˜2.2-2.5× an amount of energy consumed by substantially isothermal air compression to produce the compressed air supply. Although pressure of the compressed air supply may vary over a range (e.g. as a compressed air storage unit is depleted), the gas turbine may run under almost constant conditions, facilitating its integration with the apparatus. The air turbines may operate at lower temperatures than the gas turbine, and they may include features of turbines employed to turbocharge large reciprocating engines.
    Type: Application
    Filed: September 25, 2013
    Publication date: April 10, 2014
    Applicant: LightSail Energy, Inc.
    Inventor: Michael CONEY
  • Publication number: 20140096504
    Abstract: An apparatus performs a power cycle involving expansion of compressed air utilizing high pressure (HP) and low pressure (LP) air turbines located upstream of a gas turbine. The power cycle involves heating of the compressed air prior to its expansion in the HP and LP air turbines. Taking into consideration fuel consumption to heat the compressed air, particular embodiments may result in a net production of electrical energy of ˜2.2-2.5× an amount of energy consumed by substantially isothermal air compression to produce the compressed air supply. Although pressure of the compressed air supply may vary over a range (e.g. as a compressed air storage unit is depleted), the gas turbine may run under almost constant conditions, facilitating its integration with the apparatus. The air turbines may operate at lower temperatures than the gas turbine, and they may include features of turbines employed to turbocharge large reciprocating engines.
    Type: Application
    Filed: October 4, 2012
    Publication date: April 10, 2014
    Applicant: LIGHTSAIL ENERGY INC.
    Inventor: LightSail Energy Inc.
  • Patent number: 8694224
    Abstract: A control system or method for a vehicle references a camera and sensors to determine when an offset of a yaw rate sensor may be updated. The sensors may include a longitudinal accelerometer, a transmission sensor, a vehicle speed sensor, and a steering angle sensor. The offset of the yaw rate sensor may be updated when the vehicle is determined to be stationary by referencing at least a derivative of an acceleration from the longitudinal accelerometer. The offset of the yaw rate sensor may be updated when the vehicle is determined to be moving straight by referencing at least image data captured by the camera. Lane delimiters may be detected in the captured image data and evaluated to determine a level of confidence in the straight movement. When the offset of the yaw rate sensor is to be updated, a ratio of new offset to old offset may be used.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: April 8, 2014
    Assignee: Magna Electronics Inc.
    Inventors: William J. Chundrlik, Jr., Nathaniel Johnson, Marc Wimmershoff
  • Publication number: 20140075970
    Abstract: A heating, cooling, and power device includes a shaft and an expander coupled to the shaft to rotate the shaft. A first conduit is coupled to the expander and configured to transport a working fluid. A heater is coupled through the first conduit to the expander. A heat pump is coupled to the shaft. An electric machine is coupled to the shaft to produce electricity or mechanical shaft power. A recuperator includes a second conduit coupled between the expander and recuperator. The heat pump includes a first heat exchanger including a second conduit coupled between the expander and the first heat exchanger. An expansion device includes a third conduit coupled between the first heat exchanger and the expansion device. A second heat exchanger includes a fourth conduit coupled between the expansion device and second heat exchanger. A compressor is coupled to the shaft.
    Type: Application
    Filed: November 25, 2013
    Publication date: March 20, 2014
    Inventor: Dwayne M. Benson
  • Publication number: 20140075937
    Abstract: The present invention provides a method for operating a plurality of independent, closed cycle power plant modules each having a vaporizer comprising the steps of. serially supplying a medium or low temperature source fluid to each corresponding vaporizer of one or more first plant modules, respectively, to a secondary preheater of a first module, and to a vaporizer of a terminal module, whereby to produce heat depleted source fluid; providing a primary preheater for each vaporizer; and supplying said heat depleted source fluid to all of said primary preheaters in parallel.
    Type: Application
    Filed: November 21, 2013
    Publication date: March 20, 2014
    Applicant: ORMAT TECHNOLOGIES, Inc.
    Inventors: Dany BATSCHA, Rachel HUBERMAN, Tomer HASHMONAY
  • Patent number: 8671686
    Abstract: Backup energy systems utilizing compressed air storage (CAS) systems and bridging energy systems to supply backup power to a load are provided. During a power failure, the bridging energy system provides backup power to the load at least until the CAS system begins supplying adequate power. In various embodiments, backup power capability is enhanced through the use of one or more exhaustless heaters, which are used to heat compressed air. The compressed air, in turn, drives a turbine which is used to power an electrical generator. In various embodiments, ambient air heat exchangers or other types of heat exchangers are used to heat compressed air prior to the compressed air being routed to the turbine, thereby increasing system efficiency. Backup power and backup HVAC are also provided by utilizing turbine exhaust, heat exchangers and various resistive heating elements.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: March 18, 2014
    Assignee: Active Power, Inc.
    Inventors: Joseph F. Pinkerton, David Beatty, David E. Perkins
  • Publication number: 20140060049
    Abstract: A heat engine including a novel method for transferring working fluid from the low pressure side of the cycle back to the high pressure side. The invention includes one or more transfer tanks connecting the condenser to the boiler. Each transfer tank is connected to the condenser by a fill line and connected to the boiler by a dump line. Gravity and/or small transfer pumps are used to transfer the working fluid horn the low pressure side, through the transfer tank or tanks, and then to the high pressure side.
    Type: Application
    Filed: August 29, 2013
    Publication date: March 6, 2014
    Inventor: Ronald David Conry
  • Publication number: 20140060048
    Abstract: The invention relates to a process and apparatus (10) for generating work, the apparatus (10) comprising at least one circuit for processing a working fluid in a thermodynamic cycle and mounted in a frame (11A) rotatable about an axis of rotation (12), the at least one circuit comprising, a compressor (13) for increasing the pressure in the working fluid, one or more expanders (17) in, on or downstream from the compressor (13) and extending in a direction having a tangential component, at least one channel (22) for the working fluid, a heat exchanger (18) for heating the accelerating working fluid in the channel (22), and a turbine (16) for generating work.
    Type: Application
    Filed: February 15, 2012
    Publication date: March 6, 2014
    Inventor: Frank Hoos
  • Patent number: 8656712
    Abstract: Apparatus (10) for storing energy, comprising: compression chamber means (24) for receiving a gas; compression piston means (25) for compressing gas contained in the compression chamber means; first heat storage means (50) for receiving and storing thermal energy from gas compressed by the compression piston means; expansion chamber means (28) for receiving gas after exposure to the first heat storage means; expansion piston means (29) for expanding gas received in the expansion chamber means; and second heat storage means (60) for transferring thermal energy to gas expanded by the expansion piston means. The cycle used by apparatus (10) has two different stages that can be split into separate devices or combined into one device.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: February 25, 2014
    Assignee: Isentropic Limited
    Inventors: Jonathan Sebastian Howes, James Macnaghten
  • Patent number: 8655553
    Abstract: A monitoring system is for an electric vehicle and an electric vehicle supply equipment. The electric vehicle supply equipment is structured to communicate with the electric vehicle to charge the electric vehicle. The monitoring system includes a monitoring component structured to monitor communication and monitor energy or power flow between the electric vehicle supply equipment and the electric vehicle, a storage component cooperating with the monitoring component to store information corresponding to the monitored communication and the monitored energy or power flow between the electric vehicle supply equipment and the electric vehicle, and a power supply structured to power at least one of the monitoring component and the storage component.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: February 18, 2014
    Assignee: Eaton Corporation
    Inventors: Geraldo Nojima, William E. Wilkie
  • Patent number: 8635873
    Abstract: The present invention is directed generally to a system and method which employ a compressed gas-driven device with a passive thermodynamic composition. Certain embodiments provide a compressed gas-driven (e.g., CO2-driven) device implementation that includes a passive thermodynamic composition which allows for extended use of the device without freezing and without requiring a persistently-maintained, active (e.g., electrically-powered) heating. Further, certain embodiments provide a compressed gas-driven (e.g., CO2-driven) device implementation that includes a passive thermodynamic composition which allows for extended use of the device without freezing and without requiring an ignition heat source (e.g., electrically-powered or pyrotechnic as generator) for heating the device.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: January 28, 2014
    Assignee: D2BG LLC
    Inventors: Daniel Galloway, Darrell Bevelhymer
  • Publication number: 20140014583
    Abstract: The invention relates to a method of converting thermal energy into mechanical energy wherein a working liquid such as is evaporated to generate a stream of a working fluid. According to the invention, the stream of the working fluid is a stream of pressurized distillate produced by evaporation and condensation using a direct contact membrane distillation (DCMD) unit, said stream of pressurized distillate having a pressure of at least one bar, and a converter such as a turbine is used for generating mechanical energy from said stream of said pressurized distillate. The invention also relates to an apparatus for performing the method.
    Type: Application
    Filed: February 29, 2012
    Publication date: January 16, 2014
    Applicant: NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO
    Inventor: Jan Hendrik Hanemaaijer