| Entries |
| Document | Title | Date |
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| 20080250789 | FLUID FLOW IN A FLUID EXPANSION SYSTEM - Some embodiments of a fluid expansion system can be used with the working fluid in a Rankine cycle. For example, the fluid expansion system can be used in a Rankine cycle to recover heat from one of a number of commercial applications and to convert that heat energy into electrical energy. In particular embodiments, the fluid expansion system may include a turbine generator apparatus to generate electrical energy and a liquid separator arranged upstream of the turbine generator apparatus. | 10-16-2008 |
| 20090000301 | Ceramic intermittently sealable refractory tile and controlled air continuous gasifiers - High temperature intermittently sealable refractory tile and controlled air continuous gasifiers (rotary kilns) that are manufactured using such refractory tile, waste to energy systems that have such gasifiers as part of the system, and processes in which such waste to energy systems are used, for example, co-generation steam and power plants using biomass as the fuel for the process. | 01-01-2009 |
| 20090044534 | Scheme of power enhancement for combined cycle plants through steam injection - A combined cycle power plant has his power output augmented by addition of a gas turbine (GT | 02-19-2009 |
| 20090139234 | CARBON DIOXIDE AS FUEL FOR POWER GENERATION AND SEQUESTRATION SYSTEM - An integrated energy production system and carbon dioxide reaction system for enhancing the energy efficiency and minimizing greenhouse gas emissions of thermally activated power production methods. The system utilizes heat of reaction from the carbon dioxide reaction system to directly reduce the fuel requirements of the thermally activated power production method. The system, when utilizing a reverse fuel cell, achieves concurrent carbon dioxide sequestration resulting from the fuel combustion. | 06-04-2009 |
| 20090158737 | Power Recovery Process - Processes using multiple expansion turbines for efficient recovery of power from a plurality of very high pressure streams of superheated vapor are disclosed. Beneficially, processes of the invention use at least two classes of expansion turbines. Processes according to this invention are particularly useful for recovery of power from very high pressure streams of superheated steam in an olefins manufacturing process. Such streams are typically produced by thermal cracking of suitable petroleum derived feed stocks, and the olefins being produced and purified are typically ethylene and/or propylene. | 06-25-2009 |
| 20090165459 | METHOD AND AN APPARATUS FOR PRODUCING AND REGULATING ELECTRICAL POWER - A method of producing electrical power for delivery on an electrical power supply grid includes (a) providing a combined heat and power plant generating heat and electrical power from one or more of biomass, fossil fuel, and nuclear fuel; (b) providing a fuel producing plant for generating a carbon-based fuel and/or a nitrogen-based fuel using electrical power from the combined heat and power plant and a combination of two or more materials selected from the group consisting of carbon dioxide, hydrogen, carbonaceous gasses, carbonaceous liquids, and nitrogen; (c) determining the need for electrical power on the electrical power supply grid and delivering needed electrical power on the grid; and (d) delivering any excess electrical power to the fuel producing plant. | 07-02-2009 |
| 20090178408 | THERMAL INTEGRATION OF OXYGEN PLANTS - A process for the integration of a cryogenic air separation plant and an oxy-combustion power plant is presented. This process includes producing a pressurized nitrogen stream and a pressurized oxygen stream within said cryogenic air separation plant. This process also includes burning a fuel stream thereby generating a steam stream from a boiler feed water stream, wherein said stream is used for work expansion within said oxy-combustion power plant. This process also includes heating said pressurized nitrogen stream and said pressurized oxygen stream with a compressed air stream that is extracted from the air compressor of said cryogenic air separation plant, thereby forming a heated pressurized nitrogen stream and a heated pressurized oxygen stream. This process also includes burning a fuel stream with said heated pressurized oxygen stream to produce a flue gas stream. This process also includes heating said heated pressurized nitrogen stream to form a hot pressurized nitrogen stream. This process also includes work expanding said hot pressurized nitrogen stream to a lower pressure thereby forming a hot exhaust nitrogen stream and recovering energy. And this process also includes heating said boiler feed water stream by indirect heat exchange with said hot exhaust nitrogen stream. | 07-16-2009 |
| 20090178409 | APPARATUS AND METHOD FOR STORING HEAT ENERGY - Method and apparatus for storing heat in industrial systems where large sources of stored energy are called upon to meet a work load, storing the heat content of a hot working fluid by using the hot working fluid as a heat transfer fluid in vapor form and depositing its heat content on a heat storage medium and then removing the cooled and condensed liquid phase of that heat transfer fluid, and when hot working fluid again is needed, the liquid heat transfer fluid is returned to the heated storage medium and is reheated as it passes through the hot storage medium and then is returned to the working system to be used as a hot working fluid. | 07-16-2009 |
| 20090193807 | DYNAMIC COMBUSTION CHAMBER - A system for converting potential energy into heat including a tower configured to contain a fluid and to permit the formation of a substantially nitrogen-free combustion chamber defined by the tower and the surface of the fluid in the tower and at a pressure less than ambient, a first tower outlet in fluid communication with a first fuel valve configured to regulate a flow of the fluid out of the tower, an oxygen source in fluid communication with an oxygen valve in fluid communication with an oxygen inlet in fluid communication with the tower, a source of combustible fuel including hydrogen in fluid communication with a fuel valve in fluid communication with a fuel inlet in fluid communication with the tower, and an ignition source positioned so that it resides within the combustion chamber and is configured to initiate a reaction between oxygen and fuel. | 08-06-2009 |
| 20090211250 | Method and device for waste disposal - Disclosed are a waste disposal method and device having the following characteristics: a) a water basin ( | 08-27-2009 |
| 20090211251 | Low-Temperature Power Plant and Process for Operating a Thermodynamic Cycle - The invention concerns a mechanism for operating a thermodynamic cycle, particularly a low-temperature power plant, as well as a related process, whereby a low-temperature mass stream ( | 08-27-2009 |
| 20090211252 | POWER GENERATION COMPLEX PLANT AND PLANT CONTROL METHOD - A power generation complex plant has a control switch, an overall control unit and a steam bypass facility. The overall control unit determines that a desired steam volume has reached a limit value of the volume of steam to be generated by a steam generating facility. A steam bypass facility control unit adds a bias value B | 08-27-2009 |
| 20090217665 | SYSTEMS AND METHODS FOR CHANNELING STEAM INTO TURBINES - A method of operating a steam turbine in a combined-cycle power system is provided. The method includes channeling a first amount of steam from a first steam generator to the steam turbine to facilitate powering the steam turbine, generating a second amount of steam within a second steam generator that is coupled in flow communication with the steam turbine, and calculating a predicted stress level within the steam turbine in the event the second amount of steam is channeled from the second steam generator into the steam turbine. An initiation time at which to channel the second amount of steam into the steam turbine is determined such that the calculated predicted stress level will not exceed a predetermined stress limit of the steam turbine. The second amount of steam is automatically channeled from the second steam generator to the steam turbine at the determined initiation time. | 09-03-2009 |
| 20090241543 | RANKINE CYCLE LOAD LIMITING THROUGH USE OF A RECUPERATOR BYPASS - A system for converting heat from an engine into work includes a boiler coupled to a heat source for transferring heat to a working fluid, a turbine that transforms the heat into work, a condenser that transforms the working fluid into liquid, a recuperator with one flow path that routes working fluid from the turbine to the condenser, and another flow path that routes liquid working fluid from the condenser to the boiler, the recuperator being configured to transfer heat to the liquid working fluid, and a bypass valve in parallel with the second flow path. The bypass valve is movable between a closed position, permitting flow through the second flow path and an opened position, under high engine load conditions, bypassing the second flow path. | 10-01-2009 |
| 20090255254 | Method and device for increasing the energy efficiency of a power plant - The invention relates to improving the efficiency or the energy balance of a power plant. Here, the heat content waste heat from the power plant is employed in such a way that the waste heat is fed into a first and/or a second thermoacoustic machine. In the first thermoacoustic machine a work output is generated with the aid of the waste heat and as a result of the thermoacoustic effect, which is employed elsewhere in the power plant, for example to operate a compressor. The second thermoacoustic machine is likewise used for cooling a working fluid by utilizing the waste heat and the thermoacoustic effect. | 10-15-2009 |
| 20090277174 | Generator - A generator is disclosed. The generator comprising at least one layer, the at least one layer defining a cavity and at least one aperture, at least a portion of the at least one layer including a reflective medium, or coatings, the cavity configured to hold a fluid, a fluid inlet coupled to the at least one layer, the fluid inlet in fluid communication with the cavity, and a fluid outlet coupled to the at least one layer, the fluid outlet in fluid communication with the cavity, the fluid configured to absorb radiation, the fluid outlet configured to release the fluid to perform work. | 11-12-2009 |
| 20090288414 | STEAM SYSTEM, CONTROL SYSTEM THEREOF AND CONTROL METHOD THEREOF - In a steam system having a turbine driven by steam supplied from a high-pressure header to a low-pressure header, when the pressure in the low-pressure header drops, a turbine bypass valve is opened and the high-pressure side steam is supplied to the low-pressure side header in a normal control. When the turbine is tripped, steam is rapidly flow into the low-pressure side header and its pressure temporally increases. the steam in the low-pressure header is discharged through a discharge valve. After that, if a steam supply from the low-pressure header to another process increases, the discharge valve is closed. After the discharge valve is fully closed, an after-trip control is performed in which the opening of the turbine bypass valve is increased at an earlier timing than the normal control for preventing the steam amount in the low-pressure header to be too small. The control stability of the steam system when the turbine is tripped can be enhanced. | 11-26-2009 |
| 20090308073 | OXYGEN ENHANCED COMBUSTION IN INDUSTRIAL PROCESSES - The present invention relates to a system for carrying out oxygen-enhanced combustion in an industrial process wherein the industrial process, an oxygen supply system or a source of oxygen, a heat recovery network, and an alternative Rankine cycle system based on a working fluid other than steam are integrated to achieve improved throughput and efficiency, and a method for oxygen-enhanced combustion in an industrial process using said system. Examples of industrial processes include cement production, steel reheat applications, glass production, aluminum and copper melting, as well as any industrial process that uses process heater, furnaces where combustion is carried out using an oxidant stream with oxygen content higher’ than that in ambient air and up to 100%. | 12-17-2009 |
| 20090308074 | APPARATUS FOR GENERATING ENERGY USING A SENSIBLE HEAT DURING MANUFACTURING OF MOLTEN IRON AND METHOD FOR GENERATING ENERGY USING THE SAME - An apparatus for generating energy using sensible heat of an offgas during manufacture of molten iron and a method for generating energy using the same are provided. The method for generating energy includes i) providing an offgas discharged from an apparatus for manufacturing molten iron including a reduction reactor that provides reduced iron that is reduced from iron ore and a melter-gasifier that melts the reduced iron to manufacture molten iron; ii) converting cooling water into high pressure steam by contacting the cooling water with the offgas; and iii) generating energy from at least one steam turbine by supplying the high pressure steam to the steam turbine and rotating the steam turbine. | 12-17-2009 |
| 20100000216 | Steam turbine overload valve and related method - A steam turbine operating system includes at least a high pressure turbine section and a low pressure section; one or more control valves arranged to admit steam from a boiler to the high pressure turbine section; a condenser arranged to receive steam exhausted from the low pressure section and to convert the steam to a liquid; a top heater arranged to receive liquid from the condenser and to heat the liquid via heat exchange with steam from the high pressure section, and to return the heated liquid to the boiler; and an overload bypass valve arranged to supply steam bypassed around the one or more control valves directly to the top heater. | 01-07-2010 |
| 20100031655 | STEAM TURBINE CLOSED LOOP GEO-THERMAL COOLING - A power generation system for generating electricity using a steam turbine engine that yields high-pressure steam has been developed using a preferably non-toxic coolant circulating in a closed loop that passes through a rock and earth aquifer, for directly and/or indirectly condensing the low-pressure steam from the low-pressure side of the steam turbine into a liquid phase for re-circulation to the steam turbine, whereby the coolant acts to dissipate the heat from the low-pressure steam through the aquifer to the rock and earth encasing the aquifer. In one embodiment a containment shroud is employed to recycle condensing water utilized to condense the condensing vapor emitted from a steam condenser. In a second embodiment a sealed steam condenser is utilized through which the low-pressure steam passes, and water (or other suitable fluid) from an enclosed condensing water reservoir, through which the coolant is circulated, is employed to condense the low-pressure steam in the steam condenser. In yet another embodiment, the coolant is introduced directly into the steam condenser. In a further embodiment an intermediate refrigeration system pump is employed together with the coolant, for condensing the low-pressure steam. | 02-11-2010 |
| 20100043435 | Methods for Enhancing Efficiency of Steam-Based Generating Systems - A system, apparatus and method for generating electricity from renewable geothermal, wind, and solar energy sources includes a heat balancer for supplementing and regulating the heat energy fed to a turbine generator; a hydrogen-fired boiler for supplying supplementary heat; and an injection manifold for metering controlled amounts of superheated combustible gas into the working fluids to optimize efficiency. | 02-25-2010 |
| 20100043436 | Arrangement for obtaining electrical energy from low temperature heat or waste heat - The invention relates to an arrangement for obtaining electrical energy from low temperature or waste heat. The heat energy is then converted into electrical energy. Two heat exchangers ( | 02-25-2010 |
| 20100043437 | Method of producing power by storing wind energy in the form of compressed air - A method of producing power stores wind energy in the form of compressed air in a tower of a wind power plant, releases compressed air from the tower, and preheats the released compressed air to produce heated air. The heated air is supplied to an air expander and the heated air is expanded in the air expander to produce power. | 02-25-2010 |
| 20100064687 | Method and Device for the Thermal Treatment of Waste Materials - The present invention relates to a method for the thermal treatment of waste materials of all types, in which the waste is subjected to a high temperature treatment with oxygen at temperatures of above 1000° C., the organic waste components being gasified. The thereby resulting synthesis gas is removed from the high temperature reactor uncooled and uncleaned and subsequently is oxidised. The thereby resulting thermal energy of the waste gas is further used thermally. The present invention likewise relates to a corresponding device for the thermal treatment of waste of all types. | 03-18-2010 |
| 20100071367 | WATER RECIRCULATION SYSTEM FOR POWER PLANT BACKEND GAS TEMPERATURE CONTROL - A water recirculation system for a steam power plant includes a tapoff line which receives water from a downcomer, and an economizer link which receives water from the tapoff line and transports the water to an economizer. | 03-25-2010 |
| 20100083658 | HEAT ENGINE IMPROVEMENTS - An engine is disclosed comprising a chamber defined by at least one fixed wall and at least one movable wall, the volume of the chamber variable with movement of the movable wall; an injector arranged to inject liquid into the chamber while the chamber has a substantially minimum volume; apparatus through which energy is introduced that is absorbed by the fluid which then explosively vaporizes, performing work on the movable wall; and apparatus which returns the movable wall to a position prior to the work being performed thereon so the chamber has the substantially minimum volume, substantially evacuating the chamber of vaporized fluid without substantially compressing the vaporized fluid. Also disclosed is a method of converting energy from one form to another in a system comprising confining a quantity of substantially unexpanded liquid within a chamber; adding energy to the system, so as to heat the liquid sufficiently to vaporize the liquid and expand a resulting vapor; and receiving mechanical energy from the expanding vapor in a form of movement of a wall of the chamber responsive to the expansion. In a variation, a method of converting energy from one form to another by passing a working material through a closed liquid-vapor thermodynamic cycle, comprises expanding the working material from a liquid phase into a vapor phase by addition of heat; recovering heat from the working material in the vapor phase so as to condense the working material from the vapor phase into the liquid phase to await expansion; and adding the recovered heat to working material awaiting expansion, without changing the phase thereof. | 04-08-2010 |
| 20100083659 | Reciprocating Expansion Engine and Piston of a Reciprocating Expansion Engine - A piston and a reciprocating expansion engine with a piston having a piston head, a piston neck, and a piston shaft are described. The piston head has at least one groove which runs in a circumferential direction suitable for receiving a piston ring, and the piston shaft has a pin boss and, at its outer circumference, a guide surface which is suitable for guiding the piston along a cylinder inner wall. An outer diameter of the piston neck is smaller than an outer diameter of the piston head and/or of the piston shaft, and the length of the piston neck approximately corresponds to the travel of the piston in the installed state. | 04-08-2010 |
| 20100089058 | Combustion Powered Hydroelectric Sequential Turbines - This invention is a method to extract energy from a pressurized gas in the case that the gas may be unsuitable for use in a gas turbine. The system is a gas powered liquid pump. The system expands the gas against a liquid such as water and the water then flows through a series of liquid turbines to generate power. As the gas expands the pressure decreases. The water is initially directed to a turbine designed to work efficiently with high-pressure water, and then the water is redirected to another turbine which is designed to work efficiently with lower pressure water. As the pressure of the gas and the water decreases, the turbine which most efficient for extracting the energy at a given pressure is used to extract the energy from the stream of pressurized water | 04-15-2010 |
| 20100122533 | METHOD AND SYSTEM FOR CONVERTING WASTE HEAT FROM CEMENT PLANT INTO A USABLE FORM OF ENERGY - Methods and systems for converting waste heat from cement plant into a usable form of energy are disclosed. The methods and systems make use of two heat source streams from the cement plant, a hot air stream and a flue gas stream, to fully vaporize and superheat a working fluid stream, which is then used to convert a portion of its heat to a usable form of energy. The methods and systems utilize sequential heat exchanges stages to heat the working fluid stream, first with the hot air stream or from a first heat transfer fluid stream heated by the hot air stream and second with the flue gas stream from a second heat transfer fluid stream heated by the hot air stream. | 05-20-2010 |
| 20100132359 | SYSTEM USING UNUTILIZED HEAT FOR COOLING AND/OR POWER GENERATION - A sorption system is disclosed that includes a sorbent material and a fluid, in which the sorbent material and fluid in combination have a pressure index of at least 1.2. | 06-03-2010 |
| 20100154419 | ABSORPTION POWER CYCLE SYSTEM - An absorption power cycle system utilizes the working fluid from an absorption circuit to produce mechanical work. Such a system is useful in a wide range of absorption cycle applications. | 06-24-2010 |
| 20100192573 | USING HEAT FROM PRODUCED FLUIDS OF OIL AND GAS OPERATIONS TO PRODUCE ENERGY - The instant invention pertains to new processes and apparatuses which can effectively and efficiently convert heat contained in wellhead fluids comprising hydrocarbons to a useful energy source like electricity. The process generally comprises first producing a heat containing fluid comprising one or more hydrocarbons from a wellhead and then passing said heat containing fluid to one or more heat exchangers. The one or more exchanger exchange at least a portion of the heat contained in said heat containing fluid to a working fluid thereby producing a heated working fluid capable of converting energy. | 08-05-2010 |
| 20100205964 | POST-COMBUSTION PROCESSING IN POWER PLANTS - A system and method for configuring a steam turbine in a power plant to supply steam from a low pressure section of the steam turbine to a flue-gas processing unit in the power plant. | 08-19-2010 |
| 20100205965 | Arrangement With a Steam Turbine and a Condenser - An arrangement including at least one steam turbine and one condenser is provided. Further, a method to operate such an arrangement is provided. A regenerative deheater is arranged in the steam flow between the steam turbine and the condenser, by which the steam, superheated exhaust steam, exiting the steam turbine is cooled down before entering the condenser and by which a feed-water stream is heated up. | 08-19-2010 |
| 20100229552 | DEVICE AND METHOD FOR GAS ENRICHMENT OR GENERATION OF MECHANICAL POWER - The present invention relates to a device comprising:
| 09-16-2010 |
| 20100242476 | COMBINED HEAT AND POWER CYCLE SYSTEM - A combined heat and power cycle system includes a heat generation system having at least two separate heat sources having different temperatures. The combined heat and power cycle system includes a first rankine cycle system coupled to a first heat source among the at least two separate heat sources and configured to circulate a first working fluid. A second rankine cycle system is coupled to at least one second heat source among the at least two separate heat sources and configured to circulate a second working fluid. The first and second working fluids are circulatable in heat exchange relationship through a cascaded heat exchange unit for condensation of the first working fluid in the first rankine cycle system and evaporation of the second working fluid in the second rankine cycle system. At least one heat exchanger is disposed at one or more locations in the first rankine cycle system, second rankine cycle system, or combinations thereof. | 09-30-2010 |
| 20100242477 | METHODS FOR THE PROTECTION OF A THERMAL BARRIER COATING SYSTEM AND METHODS FOR THE RENEWAL OF SUCH A PROTECTION - A method for the application and/or renewal of a protection for a thermal barrier coating system of a heat engine involves a thermal barrier coating system that includes a bond coat layer ( | 09-30-2010 |
| 20100242478 | METHODS AND SYSTEMS FOR SULPHUR COMBUSTION - A method for generating energy from sulphur combustion without causing harmful emissions to the environment entails steps of evaporating liquid sulphur to generate sulphur dioxide gas and sulphur vapor, combusting the sulphur vapor with oxygen gas to generate heat, and reducing (either at high temperature or catalytically) the sulphur dioxide to carbon dioxide and sulphur vapor by reacting the sulphur dioxide with carbonyl sulfide. The carbonyl sulphide can be generated by reacting hydrogen sulfide with recycled carbon dioxide that is recycled by condensing sulphur vapor, carbon dioxide and water to yield liquid sulphur, elemental sulphur, steam and carbon dioxide. Energy in the hot reactor products (SO2 gas and sulphur vapor S2) and steam can be harnessed using this emission-free process. Likewise, this process can be used to produce elemental sulphur and/or carbon monoxide without polluting the atmosphere. Furthermore, this process can be used for the transshipment by pipeline of sulphur by transporting it as carbonyl sulphide. | 09-30-2010 |
| 20100263376 | SYSTEMS AND METHODS INVOLVING COMBINED CYCLE PLANTS - A system comprises a first heat recovery steam generator (HRSG) operative to receive steam from a source of steam and output water to the source of steam, a second HRSG operative to receive steam from the source of steam and output water to the source of steam, a first water flow control valve operative to regulate a flow of the water output from the first HRSG to the source of steam, and a second water flow control valve operative to regulate a flow of the water output from the second HRSG to the source of steam. | 10-21-2010 |
| 20100263377 | POWER PLANT THAT USES A MEMBRANE AND METHOD FOR OPERATING THE SAME - Provided is a power plant for generating electrical energy comprising a combustion chamber for producing steam, at least one downstream flue gas purification stage, a separation stage for CO | 10-21-2010 |
| 20100269503 | METHOD AND DEVICE FOR CONVERTING THERMAL ENERGY OF A LOW TEMPERATURE HEAT SOURCE TO MECHANICAL ENERGY - In a method and device ( | 10-28-2010 |
| 20100287934 | Heat Engine System - A heat engine system for producing work by expanding a working fluid comprising first and second components, the system comprising, an apparatus for combining the second component of the working fluid as a liquid with the first component, the first component being a gas throughout the system, a compressor for compressing the first component, a pump for compressing at least most of the second component, a heater for heating the first and second components, an expander for expanding the first and second components to produce the work, and a recuperator for transferring at least some of the energy of the working fluid from the outlet of the expander, to the working fluid from the outlet of the apparatus, wherein a substantial portion of the energy transferred in the recuperator is at least a portion of the latent heat of the second component from the outlet of the expander. | 11-18-2010 |
| 20100293948 | METHOD FOR PRIMARY CONTROL OF A STEAM TURBINE INSTALLATION - A method is provided for primary control of a steam turbine installation in network operation, which provides at least two pressure stages, these being a high-pressure and a low-pressure steam turbine stage, in which for storing reserve power a live steam valve along an operating-steam feed line to at least one pressure stage of the steam turbine is operated in a throttled manner, the live steam valve, in the case of a reducing network frequency and network frequency boosting which is necessary as a result of this, is transferred to an at least less throttled state. At least some of the partially expanded operating steam which issues from the high-pressure steam turbine stage is introduced directly without reheating, into the low-pressure steam turbine stage for further expansion. | 11-25-2010 |
| 20100300099 | AIR-MEDIUM POWER SYSTEM - A system and method for generating power using air as the working medium. External air is compressed by an air compressor and heated by a heat exchanger and then used to cause rotation of an air turbine. The air is then mixed with fuel in a combustion chamber to allow for combustion. The resulting combustion gas is used by the heat exchanger to heat the incoming external air. | 12-02-2010 |
| 20100300100 | High Efficiency Dual Cycle Internal Combustion Steam Engine and Method - The coolant in the cooling jacket of a dual cycle internal combustion steam engine is intentionally maintained at an elevated temperature that may typically range from about 225° F.-300° F. or more. A non-aqueous liquid coolant is used to cool the combustion chamber together with a provision for controlling the flow rate and residence time of the coolant within the cooling jacket to maintain the temperature of the coolant at a selected elevated temperature that is substantially above the boiling point of water but below the boiling point of the coolant. The coolant is passed from the jacket through a heat exchanger in a first circuit to transfer heat to a vaporizable working fluid such as water and is then returned. An optional second intrajacket perturbation circuit within the engine can be used to disrupt and disperse pockets of vapor that may tend to form before damaging hot spots can develop around the combustion chamber. A cooling jacket design is tailored to extract heat at the highest possible temperature from each heat transfer zone as by having the coolant follow a circuitous helical pathway to achieve more efficient and improved heat transfer from the combustion chamber to the cooling medium. | 12-02-2010 |
| 20100313564 | Turbine blade - The invention relates to a method for increasing the steam mass flow of a high-pressure steam turbine of a steam power plant, particularly a steam power plant including reheating, during a start-up phase of the steam power plant, particularly also during an idle period of the steam power plant, wherein at least one electric consumer is connected upstream of a generator of the steam power plant before synchronization with a power supply grid. The invention further relates to a steam power plant, comprising a generator, a high-pressure steam turbine, and at least one electric consumer, which can also be connected during a start-up phase of the steam power plant, particularly also during an idle period of the steam power plant, in order to increase a steam mass flow of the high-pressure steam turbine before a synchronization process of the generator with a power supply grid. | 12-16-2010 |
| 20110000212 | METHOD, DEVICE AND SYSTEM FOR IMPRESSING ENERGY INTO A MEDIUM - A non-gaseous carrier medium is converted into a gaseous carrier medium by means of introduced heat energy, so that the gaseous carrier medium rises to a predefined height. The gaseous carrier medium is compressed. The compressed gaseous carrier medium is reconverted at the predefined height into a non-gaseous carrier medium by means of a cooling circuit receiving heat of the carrier medium. The heat received by the cooling circuit is then returned to be used for heating the carrier medium at any desired suitable location. | 01-06-2011 |
| 20110005224 | METHOD FOR OPERATING A MULTI-STEP STEAM TURBINE - A method for operating a multi-step steam turbine operating in high temperature conditions is provided. The rotor is embodied as a welded construction including a first component and a second component. A coolant is supplied to the steam turbine after an intermediate state when the steam turbine is in the light-load or no-load phase. As a result, the thermal loads in the outflow area of the steam turbine are reduced. | 01-13-2011 |
| 20110005225 | Electric Power Plant, and Method for Running Electric Power Plant - An electric power plant, e.g., a boiling water reactor nuclear power plant supplies steam generated in a nuclear reactor to a high-pressure turbine and a low-pressure turbine. The steam discharged from the low-pressure turbine is condensed with a condenser. Water generated with the condenser, used as feed water, flows through a feed water pipe, is heated with a low-pressure feed water heater and a high-pressure feed water heater, and then supplied to the nuclear reactor. The steam extracted from the high-pressure turbine is supplied to the high-pressure feed water heater. The steam extracted from the low-pressure turbine is compressed with a steam compressor, and the steam whose temperature has been increased is then supplied to the high-pressure feed water heater. The feed water to be directed to the nuclear reactor is heated in the high-pressure feed water heater by both the steam extracted from the high-pressure turbine and the steam compressed with the steam compressor. Because the feed water is heated by both the extracted steam and the compressed steam in the high-pressure feed water heater, the amount of plant service power consumed by the steam compressor can be reduced. Therefore, it is possible to increase thermal efficiency in the electric power plant when increasing the power output. | 01-13-2011 |
| 20110011088 | CARBON DIOXIDE RECOVERY SYSTEM AND METHOD - Provided are high-pressure, medium-pressure, and low-pressure turbines; a boiler to generate steam for driving the turbines; a carbon dioxide recovery unit including an absorber that reduces carbon dioxide in combustion flue gas from the boiler by means of a carbon dioxide absorbent and a regenerator that regenerates an absorbent; a first auxiliary turbine that extracts steam from an inlet of the low-pressure turbine and recovers power by means of the steam thus extracted; a first steam delivery line to supply discharged steam from the first auxiliary turbine to a reboiler of the regenerator as a heat source; and a controller that controls driving of the first auxiliary turbine while keeping pressure of the discharged steam to be supplied to the reboiler within a tolerance range for the reboiler's optimum pressure corresponding to a fluctuation in an operation load of the boiler. | 01-20-2011 |
| 20110011089 | Working-Fluid Power System for Low-Temperature Rankine Cycles - A power system based on a binary power cycle and utilizing a multi-component working fluid is disclosed. The working fluid is partially vaporized and a split recirculation approach is used to control the enthalpy-temperature profiles to match the heat source. A portion of the unvaporized working fluid is sprayed into the condenser. | 01-20-2011 |
| 20110016863 | ENERGY RECOVERY SYSTEM USING AN ORGANIC RANKINE CYCLE - A thermodynamic system for waste heat recovery, using an organic rankine cycle is provided which employs a single organic heat transferring fluid to recover heat energy from two waste heat streams having differing waste heat temperatures. Separate high and low temperature boilers provide high and low pressure vapor streams that are routed into an integrated turbine assembly having dual turbines mounted on a common shaft. Each turbine is appropriately sized for the pressure ratio of each stream. | 01-27-2011 |
| 20110048008 | Hydro-Electric reactor - The Hydro-Electric Reactor is a renewable and reliable green energy technology which uses only ambient air from the atmosphere, indoors or outdoors, to generate electricity through four stages of air compression known as the Multiple-Compression-Propulsion-System that enables pressurized air to be driven through a network of specially designed Micro-Turbines which are attached to electricity generators through shafts that rotate rapidly when the pressurized air turn the Micro-Turbines, to generate electricity in commercial quantities. | 03-03-2011 |
| 20110048009 | GENERATING POWER FROM MEDIUM TEMPERATURE HEAT SOURCES - A method, and associated apparatus, for generating power from medium temperature heat sources in the range of 200° to 700° C. with improved efficiency compared to systems operating on a Rankine cycle in which the working fluid is condensed at the same temperature. Water is heated in a boiler ( | 03-03-2011 |
| 20110048010 | APPARATUS AND METHOD FOR CLOSE COUPLING OF HEAT RECOVERY STEAM GENERATORS WITH GAS TURBINES - A heat recovery steam generator (“HRSG”) | 03-03-2011 |
| 20110056200 | POWER PLANT WITH CO2 CAPTURE AND COMPRESSION - Power plant characteristics are operated in a flexible manner by controlling the power consumption of a CO | 03-10-2011 |
| 20110061384 | HEAT ENGINE AND HEAT TO ELECTRICITY SYSTEMS AND METHODS WITH WORKING FLUID FILL SYSTEM - A waste heat recovery system, method and device executes a thermodynamic cycle using a working fluid in a working fluid circuit which has a high pressure side and a low pressure side. Components of the system in the working fluid circuit include a waste heat exchanger in thermal communication with a waste heat source also connected to the working fluid circuit, whereby thermal energy is transferred from the waste heat source to the working fluid in the working fluid circuit, an expander located between the high pressure side and the low pressure side of the working fluid circuit, the expander operative to convert a pressure/enthalpy drop in the working fluid to mechanical energy, a recuperator in the working fluid circuit operative to transfer thermal energy between the high pressure side and the low pressure side of the working fluid circuit, a cooler in thermal communication with the low pressure side of the working fluid circuit operative to control temperature of the working fluid in the low side of the working fluid circuit, a pump in the working fluid circuit and connected to the low pressure side and to the high pressure side of the working fluid circuit and operative to move the working fluid through the working fluid circuit, and a mass management system connected to the working fluid circuit, the mass management system, method and device having a working fluid vessel connected to the low pressure side of the working fluid circuit and configured to passively control an amount of working fluid mass in the working fluid circuit. Systems and methods for supplying a working fluid to the working fluid circuit are disclosed. | 03-17-2011 |
| 20110072818 | WASTE HEAT RECOVERY SYSTEM - To mitigate the potential significant impact on our society due to the continued reliance on high-cost diesel hydrocarbon fuel and the implementation of increasingly strict emission controls, an apparatus is disclosed which provides the means for extracting additional heat from an internal combustion engine while providing the cooling needed to meet stricter emissions standards. The present disclosure describes an apparatus operating on a Rankine cycle for recovering waste heat energy from an internal combustion engine, the apparatus including a closed loop for a working fluid with a single shared low pressure condenser serving a pair of independent high pressure circuits each containing zero or more controlled or passive fluid splitters and mixers, one or more pressure pumps, one or more heat exchangers, and one or more expanders, and the means for controlling said apparatus. | 03-31-2011 |
| 20110079012 | RANKINE CYCLE SYSTEM AND METHOD OF CONTROLLING THE SAME - There is provided a Rankine cycle system which generates electricity by using heat as an energy source, in which a conventional pump for carrying a working fluid is not used, thereby reducing the cost of manufacturing the Rankine cycle system, saving the electric power consumed to operate the pump and therefore obtaining a greater output of power, and in which a control system is used to automatically operate the Rankine cycle system, thereby enabling to stably operate the Rankine cycle system even though a heat source is intermittently supplied. | 04-07-2011 |
| 20110094226 | PROCESS AND APPARATUS FOR HIGH ENERGY EFFICIENCY CHEMICAL LOOPING COMBUSTION - Process and apparatus are provided for a high energy efficiency chemical combustion process. The process provides two reaction steps, both of which are exothermic. First, a reduced oxygen carrier is contacted with oxygen in a reactor to form an oxidized oxygen carrier, such as metal oxide or metal suboxide, and then the oxidized oxygen carrier is fed to a second reactor and combusted with a fuel. The reaction produces the reduced oxygen carrier and carbon dioxide. The reduced oxygen carrier from the second reactor is recycled back to said first reactor. Carbon monoxide can also be produced during the process depending on stoichiometric amounts of the reactants. Though the process can be performed in various types of reactor systems, one preferred embodiment is the flash furnace with the production of fly ash during combustion. The process is highly efficient and produces a large amount of usable work. | 04-28-2011 |
| 20110100007 | POWER RECOVERY - The invention relates to a method and apparatus for recovering power from the gaseous stream produced by an oxidation reaction. Specifically, the invention is based on heating the gaseous stream from the oxidation reaction to a temperature of at least 800° C. and recovering energy through a gas turbine. The compressor stage of the gas turbine compresses the oxidant feed to the reactor thereby at least partially offsetting the cost of providing the high temperature and pressure reaction conditions in the reactor. The invention also provides improved control of the power recovery system by optimising the efficiency of the gas turbine by feeding gas to the gaseous stream to modulate the flow of gas to the turbine relative to the compressor discharge flow in order to compensate for the consumption of oxidant in the reactor. | 05-05-2011 |
| 20110100008 | Method and Device for Operating a Steam Power Station Comprising a Steam Turbine and a Process Steam Consumer - A method for operating a steam power station is provided. The steam turbine power station includes at least one steam turbine and a process steam consumer, wherein a steam mass flow is subdivided into a first partial mass flow and a second partial mass. In a first operating state, the first partial mass flow is supplied to the steam turbine and the second partial mass flow is supplied to the process steam consumer. In a second operating state, at least part of the second partial mass flow is supplied to the steam turbine at least after the first turbine stages. A steam power station is also provided. | 05-05-2011 |
| 20110131993 | STEAM POWER PLANT WITH HEAT RESERVOIR AND METHOD FOR OPERATING A STEAM POWER PLANT - A steam power plant is suggested having, parallel to the preheater passage (VW | 06-09-2011 |
| 20110167823 | STEAM CIRCUIT PROCESS DEVICE AND METHOD FOR CONTROLLING THE SAME - The invention relates to a steam circuit process device, comprising a reservoir for a liquid working medium; an evaporator in which the working medium is evaporated by heat supply, the vaporous working medium being fed to an expander for expansion and for carrying out mechanical work and being subsequently liquefied in a capacitor which communicates with the reservoir; a working medium pump for supplying working medium from the reservoir to the evaporator. The invention is characterized in that liquid working medium is supplied in the direction of flow of the working medium upstream or in the region of the capacitor to the working medium exiting the expander. | 07-14-2011 |
| 20110179792 | Steam power unit - A steam power unit including a double-flow medium pressure turbine section that is fluidically connected to a low pressure turbine section is provided. A flow section of the medium pressure turbine section is configured to supply an external steam consumer. A throttle valve for adjusting the pressure in the steam extraction line is arranged only in a turbine discharge line. | 07-28-2011 |
| 20110179793 | METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE HAVING A STEAM POWER PLANT - A method for operating an internal combustion engine ( | 07-28-2011 |
| 20110185731 | OIL COOLER - An oil cooler is provided for a wall of an air flow passage of a gas turbine engine. The oil cooler has a heat exchanger with an oil conduit for carrying a flow of heated oil proximal to the wall of the air flow passage. The heat exchanger is arranged to transfer heat from the heated oil to the air flowing through the passage. The oil cooler further has a system for altering the flow of air across the heat exchanger such that the heat transfer effectiveness of the heat exchanger can be adjusted. | 08-04-2011 |
| 20110185732 | STEAM TURBINE SYSTEM AND METHOD FOR OPERATING A STEAM TURBINE - A steam turbine system including a steam turbine is provided. The steam turbine system includes a high-pressure side steam inlet device, a low-pressure side steam device, and a control device for controlling the steam turbine. An additional steam inlet device is also included arranged between the high-pressure side steam inlet device and the low-pressure side steam device. The control device control a supply of steam via the additional steam inlet device as a function of operating parameters detected at the steam turbine system. | 08-04-2011 |
| 20110203275 | COOLING METHOD AND COOLING DEVICE FOR A SINGLE-FLOW TURBINE - It is intended to effectively cool a dummy ring and a rotor disposed on the inner side of the dummy ring of a single-flow turbine and to suppress a decrease in thermal efficiency by preventing main steam from leaking to the dummy ring side. A cooling steam supply pipe | 08-25-2011 |
| 20110203276 | Method And Device For Tracking The Degradation Of Insulators In A Rotary Machine - A method for tracking the deterioration of the insulators in a rotating machine, a method for preventive maintenance of these machines using this tracking and devices using the tracking method is presented. | 08-25-2011 |
| 20110209477 | ROTARY COMPRESSOR-EXPANDER SYSTEMS AND ASSOCIATED METHODS OF USE AND MANUFACTURE, INCLUDING INTEGRAL HEAT EXCHANGER SYSTEMS - The present technology is directed generally to rotary displacement systems and associated methods of use and manufacture. The systems can be used to compress and/or expand compressible fluids. In some embodiments, the rotary displacement systems include a chamber housing having a pressure-modifying chamber with a first port and a second port, a first passageway in fluid communication with the chamber via the first port, and a second passageway in fluid communication with the chamber via the second port. The systems can further include a shaft positioned within the chamber housing and rotatable relative to the chamber housing about a rotational axis, and a rotor comprising no more than two lobes. The rotor can be carried by and rotatable relative to the shaft, and can be alternately operable in a first mode in which flow is provided from the first passageway to the second passageway via the chamber and in a second mode in which flow is provided from the second passageway to the first passageway via the chamber. | 09-01-2011 |
| 20110209478 | METHOD OF POWER GENERATION BY WASTE COMBUSTION AND WASTE COMBUSTION SYSTEM - [Problem] To provide a waste combustion method enabling to utilize efficiently heat energy of a large amount of a wet gas generated from a high temperature gas, which is discharged from a waste combustion furnace so as to be cooled and washed | 09-01-2011 |
| 20110214426 | TURBINE SYSTEM INCLUDING VALVE FOR LEAK OFF LINE FOR CONTROLLING SEAL STEAM FLOW - A turbine system includes a valve coupled to a leak off line from a leak packing of a first turbine, the valve controlling a first steam flow used to maintain a constant self-sustaining sealing pressure to a second turbine across numerous loading conditions. A related method is also provided. | 09-08-2011 |
| 20110219770 | METHODS OF UTILIZING WASTE HEAT FOR CREATING A PRESSURIZED WORKING FLUID - A method of utilizing waste heat to create a pressurized working fluid is disclosed. The method includes providing a vessel containing a sorbent system, introducing a feed of waste heat to a heat exchanger external to the vessel to heat a feed of working fluid, introducing the heated working fluid from the heat exchanger to the vessel to obtain pressurized working fluid, and directing the pressurized working fluid from the vessel to a work component. The method is particularly suited to make use of waste heat an industrial process, (e.g., a chemical processing or petrochemical refining operation) in which low grade heat source(s) are used to drive the sorption system. | 09-15-2011 |
| 20110225972 | Method for Operating a Waste Heat Steam Generator - A method for operating a waste heat steam generator including an evaporator, an economizer having a number of economizer heating surfaces, and a bypass line connected on the flow medium side in parallel with a number of economizer heating surfaces is provided. The method makes possible higher operational safety and reliability in the control of the waste heat steam generator. For this purpose, a parameter that is characteristic of the thermal energy fed to the waste heat steam generator is used to control or regulate the flow rate of the by-pass line. | 09-22-2011 |
| 20110252798 | Systems and Methods for Enhancing Energy Storage in Quantum Thermodynamic Systems - In some embodiments, a device for harvesting energy from an environment energy system comprises a pump, and a coherence capacitor of metamaterial configured to store of coherence in interactions between elements of the metamaterial, a carrier fluid of particles that flushes coherence from the metamaterial and carries the coherence to a quantum heat engine via a circuit at a rate determined by a pump. The quantum heat engine is configured to harvest heat energy from the environment and use the heat energy to output useful energy while expelling waste heat back into the same environment. | 10-20-2011 |
| 20110252799 | CONDENSER TUBE HAVING INCREASED HYDROPHOBICITY, PRODUCTION METHOD AND USE THEREOF - A condenser tube has a superhydrophobic surface. The superhydrophobic surface is produced on steam condenser tubes to achieve an improved runoff of condensation drops. These condenser tubes may be used in steam power generation. The surface of the condenser tube is textured so that the drops of condensation formed can run off well. | 10-20-2011 |
| 20110252800 | ALUMINIUM COMBUSTION POWER SYSTEM - An engine that oxidizes aluminum with water to produce electrical and/or mechanical power. The engine can include a fuel made at least partly from aluminum powder that flows like liquid under high pressure. The engine can also include a steam supply system, a combustor, a fuel feed system, a fuel injection system, and a water supply system. | 10-20-2011 |
| 20110252801 | COMPOSITIONS COMPRISING Z-1,2-DIFLUOROETHYLENE AND USES THEREOF - The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises Z-1,2-difluoroethylene (Z-HFO-1132a). The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and power cycle working fluids. | 10-20-2011 |
| 20110259008 | CLOSED CIRCUIT OPERATING ACCORDING TO A RANKINE CYCLE AND METHOD USING SAME - The present invention relates to a closed circuit operating according to a Rankine cycle, comprising a circulation and compression pump ( | 10-27-2011 |
| 20110259009 | CLOSED LOOP SCROLL EXPANDER - Apparatuses and methods related to an engine for converting heat into mechanical output using a working fluid in a closed circulating system are disclosed. In some embodiments, the engine includes a pump to pressurize the working fluid, a regenerative heat exchanger to transfer heat from a first portion of the working fluid to a second portion, a heating device to heat the working fluid, and a scroll expander to expand the working fluid and generate the mechanical output. Other embodiments may be described and claimed | 10-27-2011 |
| 20110277475 | POWER REGENERATION FOR AN INFORMATION HANDLING SYSTEM - A power regeneration system for use with an information handling system is disclosed. The power regeneration system may include a thermosiphon in thermal communication with a heated component of the information handling system, a turbine, a condenser, and a fluid flow loop. The thermosiphon may be configured to convert a cooling fluid from a liquid to a gaseous state as the cooling fluid absorbs heat from the heated component of the information handling system. The turbine may be configured to extract energy from the cooling fluid in the gaseous state after it leaves the thermosiphon. The condenser may be configured to remove thermal energy from the cooling fluid after it leaves the turbine, the condenser fluid converting the cooling fluid from a gaseous state to a liquid state as thermal energy is removed. The fluid flow loop may connect the thermosiphon, the turbine, and the condenser in order so that the cooling fluid flows in a closed loop through the power regeneration system. | 11-17-2011 |
| 20110277476 | Low Temperature High Efficiency Condensing Heat Engine for Propelling Road Vehicles - A non-polluting, closed-cycle condensing heat engine and operating method is provided for propelling road vehicles at high efficiencies and high power densities by using a phase-changing working fluid having a critical temperature close to the natural ambient temperature of the surrounding atmosphere and shifting the high temperature heat reservoir downward by several hundred degrees by creating an artificial low temperature heat reservoir below ambient temperature by evaporating water. By isentropically compressing the liquefied working fluid at sub-ambient temperatures to very high pressure utilizing the fact that water has an unusually high latent heat of evaporation, and heating it to a compressed gas at a relatively low temperature in the high temperature heat reservoir by burning small amounts of fuel, it is possible for the engine to operate at high power densities by expanding the compressed gas back to the initial sub-ambient temperature where it is re-condensed to propel road vehicles several hundred miles on a tank of water holding only 40 gallons using a small fraction of the amount of fuel used by vehicles propelled by conventional internal combustion engines. | 11-17-2011 |
| 20110277477 | MINIATURIZED WASTE HEAT ENGINE - Various embodiments of a converter for use in a combustion engine having a discharge conduit for discharging exhaust combustion gases are disclosed. In one exemplary embodiment, the converter may include a heating chamber being in thermal contact with the discharge conduit and defining a hydraulic channel through which a fluid passes. The converter may also include an inlet port disposed in the heating chamber for receiving the fluid into the heating chamber, and an outlet port disposed in the heating chamber for discharging the fluid from the heating chamber. The heat energy from the exhaust combustion gases is transferred to the fluid while the fluid passes through the hydraulic channel. | 11-17-2011 |
| 20110302922 | POWER PLANT WITH CO2 CAPTURE - A method is provided for operating a combined cycle power plant including a CO | 12-15-2011 |
| 20110308250 | Method and Apparatus for Combining a Heat Pump Cycle With A Power Cycle - The working fluid for the heat pump cycle will be different than that for the power cycle. | 12-22-2011 |
| 20110314815 | POWER PLANT WITH CO2 CAPTURE - A method is provided for operating a combined cycle power plant having at least one gas turbine, a heat recovery steam generator (HSRG), a steam turbine and a CO2 capture system. The method includes recirculating a first partial flow of flue gases from the HRSG. The method also includes capturing CO2 from a second partial flow of flue gases from the HRSG; and operating a supplementary firing to increase the net power output of the plant and to at least partly compensate the power consumption of the CO2 capture system. A combined cycle power plant is also provided. The plant includes at least one gas turbine, at least one heat recovery steam generator, at least one steam turbine at least one CO2 capture system, and flue gas recirculation. The plant also includes a low excess air supplementary firing. | 12-29-2011 |
| 20120000200 | INERT GAS PURGING SYSTEM FOR AN ORC HEAT RECOVERY BOILER - In one embodiment, a system includes a valve system switchable between a waste heat recovery position configured to direct incoming exhaust gas through an interior volume of an exhaust section of an engine and a bypass position configured to direct the incoming exhaust gas through a bypass duct to bypass a heat recovery boiler disposed within the interior volume. The system also includes an inert gas purging system configured to inject an inert gas into the interior volume to displace residual exhaust gas from the interior volume. | 01-05-2012 |
| 20120006023 | LOOP THERMAL ENERGY SYSTEM - An apparatus, system, and method are disclosed for a loop thermal energy system. A heat pump heats a first fluid to first temperature using heat from a heat source. A first pressure tank charges with the heated first fluid while a second pressure tank discharges the heated first fluid stored from a previous charging. The discharged heated first fluid motivates an engine. | 01-12-2012 |
| 20120017591 | SIMULTANEOUS PRODUCTION OF ELECTRICAL POWER AND POTABLE WATER - Biomass or refuse-derived fuels ( | 01-26-2012 |
| 20120017592 | STEAM TURBINE AND METHOD FOR ADJUSTING THRUST FORCES THEREOF - A steam turbine having at least a HP blade cascade, an IP blade cascade and a plurality of dummy members that are attached to a common rotor shaft, is provided with, but not limited to, a detection unit that detects a steam flow into an IP chamber, a pressure reducing unit that reduces a pressure difference between both sides of a target dummy member of said plurality of the dummy members when the steam flow into the IP chamber stops, the target dummy member having one side communicating with a part of the IP chamber, and a control unit that controls the pressure reducing unit based on a detection result obtained by the detection unit. | 01-26-2012 |
| 20120017593 | Installation Designed to Convert Environmental Thermal Energy into Useful Energy - The present invention relates to an installation and a process implementing the installation for converting thermal energy available in a given environment into useful energy. Installation and process by means of pressure differentials between a hot and a cold column of a pressurized fluid, create a continuous flow in a fluid driving in rotation elements the rotational energy of which is converted to a useful energy. | 01-26-2012 |
| 20120023943 | FIRE EXTINGUISHING SYSTEM FOR AN ORGANIC RANKINE CYCLE HYDROCARBON EVAPORATOR - The present invention provides an organic Rankine cycle energy recovery system comprising features which provide for fire suppression and/or ignition suppression in the event of an unintentional release of a flammable component of the system, for example a flammable working fluid such as cyclopentane, into a part of the of the system in which the prevailing temperature is higher than the autoignition temperature of the flammable component. In one embodiment, and the organic Rankine cycle energy recovery system comprises an inert gas source disposed upstream of a hydrocarbon evaporator and configured to purge the hydrocarbon evaporator with an inert gas on detection of a leak thereby. | 02-02-2012 |
| 20120023944 | DEVICE FOR PHASE SEPARATION OF A MULTIPHASE FLUID FLOW, STEAM TURBINE PLANT HAVING SUCH A DEVICE, AND ASSOCIATED OPERATING METHOD - A device for phase separating a multi-phase fluid flow has a housing configured substantially rotationally symmetrically about a center axis and encloses a hollow space, at least one in-feed line for the fluid flow configured for inflow of the fluid flow directed substantially tangentially to an interior of the housing, and at least one outlet line for the separated gaseous portion of the fluid flow. The device heats the gaseous portion of the fluid flow, such as steam, and requires little material and space. To this end, heating elements configured for heating the gaseous portion are disposed in the hollow space in an annular chamber placed concentrically about the center axis. | 02-02-2012 |
| 20120036851 | FLUID CIRCULATION IN ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, heat is exchanged with a gas being compressed or expanded within an energy storage and recovery system without the use of flexible hoses. | 02-16-2012 |
| 20120055158 | METHOD FOR OPERATING A STEAM TURBINE POWER PLANT AND DEVICE FOR PRODUCING STEAM FROM LIGNITE - The invention relates to a method for operating a steam turbine power plant comprising at least one steam generator that is fueled by lignite, wherein the lignite is indirectly dried in a fluidized bed dryer that is heated at least partially with steam from the water-steam circuit of the steam generator. Said method is characterized in that the flue gas from the steam generator undergoes gas scrubbing to remove CO2 and that the energy required for the gas scrubbing is at least partially extracted from the drying process in the fluidized bed. The invention additionally relates to a device for creating steam from lignite comprising a drying system for the lignite and a device to scrub CO2 from the flue gas, wherein the drying process and the CO2 gas scrubbing are thermally coupled to each other. | 03-08-2012 |
| 20120060501 | THERMOELECTRIC ENERGY STORAGE SYSTEM HAVING TWO THERMAL BATHS AND METHOD FOR STORING THERMOELECTRIC ENERGY - An exemplary system and method for storing and retrieving energy in a thermoelectric energy storage system is disclosed. The thermoelectric energy storage system includes a working fluid that is circulated through a first and second heat exchanger, and a thermal storage medium that is circulated through the first heat exchanger. The second heat exchanger is in connection with a first thermal bath during a charging cycle and with a second thermal bath during a discharging cycle. In this way roundtrip efficiency is improved through minimizing the temperature difference between the first thermal bath and the hot storage tank during charging, and maximizing the temperature difference between the second thermal bath and the hot storage tank during discharging. | 03-15-2012 |
| 20120067045 | CALCULATION METHOD OF MOISTURE LOSS IN STEAM TURBINE - In one embodiment, a calculation method of moisture loss in a steam turbine calculates first a wetness fraction at the inlet and outlet of each of stationary blade cascades and rotor blade cascades. Subsequently, the moisture loss is classified into (1) supersaturation loss, (2) condensation loss, (3) acceleration loss, (4) braking loss, (5) capture loss and (6) pumping loss, and a loss for calculation of the moisture loss is selected from the above losses (1) to (6) according to the wetness fraction of steam at the inlet and outlet of each blade cascade. An amount of each selected loss is calculated, and an amount of moisture loss at each blade cascade is calculated. | 03-22-2012 |
| 20120067046 | POWER PLANT WITH CO2 CAPTURE AND WATER TREATMENT PLANT - A power plant for the generation of electrical energy comprises steam and/or gas turbines ( | 03-22-2012 |
| 20120073292 | Process for the gasification of waste tires with residual oil - A process for the production of a synthesis gas containing hydrogen and carbon monoxide utilizes shredded waste tires that are substantially free of metal particles as a feedstream, either alone or in combination with a residual oil feedstream, for gasification in the combustion chamber of a tubular wall membrane partial oxidation gasification reactor in the presence of a predetermined amount of oxygen. Optionally, the product synthesis gas is introduced as the feedstream to a water gas shift reactor to enhance the hydrogen content of the final product stream. | 03-29-2012 |
| 20120079825 | GENERATOR - A generator comprising heat differential, pressure, and conversion modules, and a heat recovery arrangement; the differential module comprising a first high temperature reservoir containing a work medium at high temperature, a second low temperature reservoir containing a work medium at low temperature and a heat mechanism in fluid communication with the reservoir(s). The heat mechanism maintains a temperature difference therebetween by providing heat to and/or removing heat from the reservoirs; the pressure module comprises a pressure medium in selective fluid communication with the reservoirs for alternately performing a heat exchange process with the work medium. The pressure medium fluctuates between a minimal and maximal temperature corresponding to the high and low temperatures of the work medium; the conversion module utilizes temperature changes of the pressure medium for production of output energy; the recovery arrangement absorbs heat from the pressure medium and provides heat to the differential or pressure module. | 04-05-2012 |
| 20120096861 | CARBON DIOXIDE RECOVERY METHOD AND CARBON-DIOXIDE-RECOVERY-TYPE STEAM POWER GENERATION SYSTEM - According to one embodiment, a carbon-dioxide-recovery-type steam power generation system comprises a boiler that generates steam and an exhaust gas, an absorption tower that allows carbon dioxide contained in the exhaust gas to be absorbed in an absorption liquid, a regeneration tower that regenerates discharges a carbon dioxide gas from the absorption liquid, a reboiler that heats the absorption liquid of the regeneration tower, a turbine that is rotationally driven by the steam, a condenser that generates condensate by cooling steam exhausted from the turbine, a compressor that compresses the carbon dioxide gas, and a cooler that cools the carbon dioxide gas, which has been compressed by the compressor, while using a part of the condensate as cooling water. The reboiler is supplied with steam from the turbine and steam generated by the cooling of the carbon dioxide gas at the cooler. | 04-26-2012 |
| 20120102951 | APPARATUS FOR REDUCING EMISSIONS AND METHOD OF ASSEMBLY - A heat recovery steam generator (HRSG) is coupled to a gas turbine engine that is configured to combust a fuel in air to produce shaft power and a flow of exhaust gases including oxides of nitrogen (NO | 05-03-2012 |
| 20120102952 | METHOD FOR CONTROLLING EXHAUST GAS HEAT RECOVERY SYSTEMS IN VEHICLES - A method of operating an exhaust gas heat recovery (EGHR) system in a vehicle including an engine, a transmission, and an EGHR heat exchanger is provided. The method includes monitoring an engine water temperature and may include monitoring a transmission oil temperature and an ambient air temperature. The method includes comparing the monitored engine water temperature to one or more calibrated engine temperatures. Based upon the monitored temperatures and comparison to the calibrated temperatures, the method controls a two-way valve. The two-way valve is configured to be set to one of an engine position and a transmission position. The engine position allows heat-exchange communication between the EGHR heat exchanger and the engine, and the transmission position allows heat-exchange communication between the EGHR heat exchanger, the transmission, and the engine. | 05-03-2012 |
| 20120102953 | Power Generator Utilizing a Heat Exchanger and Circulated Medium from a Pulsed Electrolysis System and Method of Using Same - A power generating system ( | 05-03-2012 |
| 20120125002 | RANKINE CYCLE INTEGRATED WITH ORGANIC RANKINE CYCLE AND ABSORPTION CHILLER CYCLE - A power generation system is provided. The system comprises a first Rankine cycle-first working fluid circulation loop comprising a heater, an expander, a heat exchanger, a recuperator, a condenser, a pump, and a first working fluid; integrated with a) a second Rankine cycle-second working fluid circulation loop comprising a heater, an expander, a condenser, a pump, and a second working fluid comprising an organic fluid; and b) an absorption chiller cycle comprising a third working fluid circulation loop comprising an evaporator, an absorber, a pump, a desorber, a condenser, and a third working fluid comprising a refrigerant. In one embodiment, the first working fluid comprises CO | 05-24-2012 |
| 20120125003 | Method for controlling a combustion process, in particular in a firing chamber of a fossil-fuel-fired steam generator, and combustion system - A method for controlling a combustion process, in particular in a firing chamber of a fossil-fired steam generator, is provided. The method includes determining spatially resolved measuring values in the firing chamber. Spatially resolved measuring values are transformed into state variables that may be used for control engineering, and they are subsequently fed as actual values to control circuits. The changes in the controlled variables determined in the control circuits are divided among a plurality of actuators in a backward transformation considering an optimization target. A corresponding combustion system is also provided. | 05-24-2012 |
| 20120131917 | Methods and Systems for Loading a Steam Turbine - Systems and methods for loading a steam turbine are provided. A method may include: receiving a turbine loading factor; receiving a current steam turbine exhaust temperature; determining a steam flow ramping rate parameter and a steam temperature ramping rate parameter based at least in part on the turbine loading factor and the current steam turbine exhaust temperature, wherein the steam flow ramping rate parameter and the steam temperature ramping rate parameter are determined based at least in part on an inverse relationship between the steam flow ramping rate parameter and the steam temperature ramping rate parameter. The method may further include controlling at least one of: (a) steam flow to the steam turbine based at least in part on the steam flow ramping rate parameter; or (b) steam temperature to the steam turbine based at least in part on the steam temperature ramping rate parameter. | 05-31-2012 |
| 20120131918 | HEAT ENGINES WITH CASCADE CYCLES - Systems and methods for recovering energy from waste heat are provided. The system includes a waste heat exchanger coupled to a source of waste heat to heat a first flow of a working fluid. The system also includes a first expansion device that receives the first flow from the waste heat exchanger and expands it to rotate a shaft. The system further includes a first recuperator coupled to the first expansion device and to receive the first flow therefrom and to transfer heat from the first flow to a second flow of the working fluid. The system also includes a second expansion device that receives the second flow from the first recuperator, and a second recuperator fluidly coupled to the second expansion device to receive the second flow therefrom and transfer heat from the second flow to a combined flow of the first and second flows. | 05-31-2012 |
| 20120137685 | Steam-Driven Power Plant - A steam-driven power plant includes a steam source providing steam at a desired pressure and a steam turbine operably connected to the steam source. The steam turbine includes a low pressure section and an intermediate pressure section. A low pressure admission conduit is configured to convey steam from the steam source to an entrance of the low pressure section and an intermediate pressure admission conduit is configured to convey steam from the steam source to a mid-steampath point of the intermediate pressure section. One or more valves are located between the steam source and the steam turbine to control a flow of steam from the steam source through the low pressure admission conduit and/or the intermediate pressure admission conduit. | 06-07-2012 |
| 20120137686 | Midspan packing pressure turbine diagnostic method - An opposed-flow steam turbine having an HP section and an IP section connected by a shaft, with mid-span packing surrounding the shaft in a region between the HP and IP sections; and a steam conduit extending from the mid-span packing and through a shell of the turbine; the steam conduit incorporating a pressure tap for directly and continuously measuring pressure in the mid-span packing during operation of the steam turbine. | 06-07-2012 |
| 20120137687 | STEAM TURBINE, POWER PLANT AND METHOD FOR OPERATING STEAM TURBINE - The steam turbine | 06-07-2012 |
| 20120151918 | METHOD FOR OPERATING A TURBOMACHINE DURING A LOADING PROCESS - A method for increasing the operational flexibility of a turbomachine is provided. The turbomachine may include a first section, a second section, and a rotor disposed within the first section and the second section. The method may determine an allowable range of a physical parameter associated with the first section and/or the second section. The method may modulate a first valve and/or a second valve to allow steam flow into the first section and the second section respectively, wherein the modulation is based on the allowable range of the physical parameter. In addition, the physical parameter allows the method to independently apportion steam flow between the first section and the second section of the turbomachine, during the loading process. | 06-21-2012 |
| 20120151919 | Frost-resistant steam circuit process device and its method of operation - The invention concerns a steam circuit process device comprising a reservoir for a liquid working medium; a feed pump for supplying working medium from the reservoir to an evaporator, in which the working medium is evaporated; an expander, to which vaporised working medium is fed by the evaporator, which expands by way of performing mechanical work in the expander; a condenser, which follows the expander and is in fluid connection with the reservoir, whereas the working medium is liquefied in the condenser; The invention is characterised in that the steam circuit process device includes an emptying pump for the working medium which is arranged in a by-pass line between the reservoir and a switchable valve system in fluid communication with at least one further component of the steam circuit process device. | 06-21-2012 |
| 20120151920 | FUEL CELL HYBRID POWER GENERATION SYSTEM AND METHOD FOR GAS DISTRIBUTION SYSTEMS - A method for use with a gas distribution system in which a higher pressure gas is transported/distributed and reduced to a lower pressure gas for a gas distribution or transmission line, the method comprising pre-heating the higher pressure gas before it is reduced in pressure, using an energy recovery generator to generate electricity using the pre-heated higher pressure gas while reducing the gas pressure to a lower gas pressure, using a fuel cell power plant to generates electricity while producing heat that is used to pre-heat high pressure gas, and combining the electrical outputs of the energy recovery generator and the fuel cell power plant to generate a combined electrical output. The method also comprises the fuel cell power plant making the waste heat available to the gas pre-heater without using a combustion unit thereby increasing the system's electrical efficiency. | 06-21-2012 |
| 20120167567 | POWER GENERATION APPARATUS - A power generation apparatus including a boiler feedwater pump turbine control system is disclosed. In one embodiment, a power generation apparatus is disclosed, including: a boiler feedwater pump turbine having a low pressure steam inlet and a high pressure steam inlet; a high pressure control valve for controlling admission of high pressure steam to the high pressure steam inlet; a low pressure control valve for controlling admission of low pressure steam to the low pressure steam inlet; and a control system operably coupled to the high pressure control valve and the low pressure control valve, the control system configured to close the low pressure control valve and prevent flow of the low pressure steam to the boiler feedwater pump turbine in response to a request for increased power output from a power grid. | 07-05-2012 |
| 20120174583 | DUAL REHEAT RANKINE CYCLE SYSTEM AND METHOD THEREOF - A rankine cycle system includes a heater configured to circulate a working fluid in heat exchange relationship with a hot fluid to vaporize the working fluid. A hot system is coupled to the heater. The hot system includes a first heat exchanger configured to circulate a first vaporized stream of the working fluid from the heater in heat exchange relationship with a first condensed stream of the working fluid to heat the first condensed stream of the working fluid. A cold system is coupled to the heater and the hot system. The cold system includes a second heat exchanger configured to circulate a second vaporized stream of the working fluid from the first system in heat exchange relationship with a second condensed stream of the working fluid to heat the second condensed stream of the working fluid before being fed to the heater. | 07-12-2012 |
| 20120222422 | METHODS FOR INTEGRATED NATURAL GAS PURIFICATION AND PRODUCTS PRODUCED THEREFROM - A method is disclosed of coupling and integrating natural gas recovery and separation along with chemical conversion. The method can comprise extracting at least one natural gas component. Non-limiting examples of the extracted component include ethane, propane, butanes, and pentanes. The method can also comprise contacting a natural gas stream with a catalyst under conditions that selectively convert at least one component into at least one product, such as ethylene, acetic acid, polyethylene, vinyl acetate, ethylene vinyl acetate, ethylene oxide, ethylene glycol, and their derivatives, propylene, polypropylene, propylene oxide, propylene glycol, acrylates, acrolein, acrylic acid, butenes, butadiene, methacrolein, methacrylic acid, methacrylates, and their derivatives, which can then be separated from the remaining components. The method can further comprise integrating production of ethylene, acetic acid, and/or vinyl acetate with polymerization of ethylene-based polymers, such as polyethylene, ethylene vinyl acetate, ethylene vinyl alcohol, polyvinyl acetate, or polyvinyl alcohol. | 09-06-2012 |
| 20120222423 | THERMOELECTRIC ENERGY STORAGE SYSTEM HAVING AN INTERNAL HEAT EXCHANGER AND METHOD FOR STORING THERMOELECTRIC ENERGY - Exemplary embodiments are directed to a thermoelectric energy storage system (TEES) and method for converting electrical energy into thermal energy to be stored and converted back to electrical energy with an improved round-trip efficiency are disclosed. The TEES includes a working fluid circuit for circulating a working fluid through a first heat exchanger and a second heat exchanger, a thermal storage medium circuit for circulating a thermal storage medium, the thermal storage medium circuit having at least one hot storage tank coupled to a cold storage tank via the first heat exchanger. The arrangement maximizes the work performed by the cycle during charging and discharging for a given maximum pressure and maximum temperature of the working fluid. | 09-06-2012 |
| 20120227402 | LASER FOR STEAM TURBINE SYSTEM - A steam turbine system uses a laser to instantaneously vaporize water in a nozzle within a turbine. This steam is then used to rotate the turbine. Thus, the turbine system does not require an external boiler. The steam turbine system may be used in either an open system, where the steam passing through the turbine is not condensed and reused, or a closed system, where the steam passing through the turbine is condensed and reused. | 09-13-2012 |
| 20120227403 | COOLANT PENETRATING COLD-END PRESSURE VESSEL - An improvement is provided to a pressurized close-cycle machine that has a cold-end pressure vessel and is of the type having a piston undergoing reciprocating linear motion within a cylinder containing a working fluid heated by conduction through a heater head by heat from an external thermal source. The improvement includes a heat exchanger for cooling the working fluid, where the heat exchanger is disposed within the cold-end pressure vessel. The heater head may be directly coupled to the cold-end pressure vessel by welding or other methods. A coolant tube is used to convey coolant through the heat exchanger. | 09-13-2012 |
| 20120247103 | SYSTEM AND METHOD FOR CONTROLLING WASTE HEAT FOR CO2 CAPTURE - The present invention relates to systems and methods for controlling the flow of steam provided to a gas recovery unit | 10-04-2012 |
| 20120255301 | SYSTEM FOR GENERATING POWER FROM A SYNGAS FERMENTATION PROCESS - A system and process is provided for generating power from a syngas fermentation process. The process includes contacting hot syngas having a temperature above about 1400° F. with cooled syngas to produce a pre-cooled syngas having a temperature of 1400° F. or less at an inlet of a waste heat boiler. A waste heat boiler receives the pre-cooled syngas and is effective for producing waste heat boiler high pressure steam and a cooled syngas. | 10-11-2012 |
| 20120272648 | INTEGRATED GENERATOR COOLING SYSTEM - An expansion system is presented. One embodiment of the expansion system that includes a pump configured to pressurize a condensed working fluid received from a condenser. The expansion system further includes a heat exchanger coupled to the pump and configured to vaporize the condensed working fluid received from the pump. The expansion system also includes an expander coupled to the heat exchanger and configured to expand the vaporized working fluid flowing from an inlet side of the expander to an outlet side of the expander. In addition, the expansion system includes a generator coupled to the expander and configured to generate energy in response to the expansion of the vaporized working fluid. Further, the expansion system includes an integrated cooling unit configured to convey at least a portion of the condensed working fluid from an inlet side of the generator to an outlet side of the generator to dissipate heat generated by the generator. | 11-01-2012 |
| 20120272649 | METHOD FOR OPERATING A FORCED-FLOW STEAM GENERATOR OPERATING AT A STEAM TEMPERATURE ABOVE 650.degree.C AND FORCED-FLOW STEAM GENERATOR - The invention relates to a method for operating a forced-flow steam generator operating at variable pressure and at a steam temperature above 650° C. and reducing the minimum forced-flow load of the forced-flow steam generator, wherein the forced-flow steam generator is incorporated in the water-/steam-conducting working medium circuit of a power plant and the economizer of the forced-flow steam generator comprises at least one high-pressure pre-heater and/or a heat transfer system for pre-heating the working medium, the at least one high-pressure pre-heater and/or the heat transfer system being arranged upstream as viewed in the working medium circuit direction, wherein if a predetermined partial load point (L | 11-01-2012 |
| 20120279221 | MOBILE BIOMASS GENERATING PLANT - Disclosed is a mobile biomass generating plant having a power unit, at least one generator and a drive shaft. In one embodiment, the power unit is mounted to a lowboy trailer and the at least one generator is mounted to at least one of the lowboy trailer and a second lowboy trailer. Additionally, the drive shaft may connect the at least one generator to the power unit. In one embodiment, the power unit may generate and direct power to the drive shaft which can be used to manipulate the at least one generator to produce electricity. | 11-08-2012 |
| 20120297771 | VARIABLE FEEDWATER HEATER CYCLE - A structure, system, and method for controlling a power output and flue gas temperature of a power plant by adjusting final feedwater temperature are disclosed herein. In an embodiment, a turbine having a plurality of valved steam extraction ports is provided. Each steam extraction port is fluidly connected with a feedwater heater. Each of the plurality of valves in the valved steam extraction ports may be opened and closed to the passage of steam therethrough, in order to vary a final feedwater temperature. | 11-29-2012 |
| 20120312018 | Green SMR To Refuel HRSG Duct Burners - An energy generation system including a primer mover producing a power output, and a combustion product outlet stream; and a steam generator wherein a water inlet stream and the combustion product outlet stream exchange heat to produce at least one steam outlet stream is provided. The steam generator further comprises at least one set of supplemental burners situated in the path of the combustion product outlet stream, and a hydrogen fuel inlet stream at least a portion of which is combusted in at least one of the supplemental burners or the prime mover. | 12-13-2012 |
| 20120312019 | PROCESS AND APPARATUS FOR HEATING FEEDWATER IN A HEAT RECOVERY STEAM GENERATOR - A feedwater heater ( | 12-13-2012 |
| 20120317982 | VAPOUR POWER PLANT WITH HERMETIC TURBOGENERATOR - The vapour power plant with hermetic turbogenerator is claimed, such plant provided with the main thermal cycle that works with the low boiling point fluid, and characterized by an additional, internal working fluid cycle that serves to lubricate the slide bearings contained in said hermetic turbogenerator, said additional working fluid cycle consisting of the slide bearings supplying piping connected to the main working fluid cycle at the main cycle pump outlet, of the slide bearings housing, of the return piping that directs the main portion of the working fluid liquid from said slide bearing housing to the working fluid buffer container, and of the emergency slide bearings supply piping that connects said working fluid buffer container, through the emergency slide bearing supply pump, with said slide bearings supply piping, whereby non-return valves are provided before connection point of said slide bearings supply piping and said emergency slide bearings supply piping. | 12-20-2012 |
| 20120324889 | ADVANCED UNIFLOW RANKINE ENGINE AND METHODS OF USE THEREOF - An Advanced Uniflow Rankine Engine (“AURE”) that is effective and thermodynamically efficient at higher speeds (e.g., 400-1800 rpm) and has low torque output. This allows the AURE to be compact of size without the need for a massive foundation found in prior art steam engines. The AURE includes an admission valve assembly, a cylinder head/valve gear assembly, a cylinder/piston assembly, a crank shaft assembly, an external sump, and an integral condenser. The admission valve assembly includes a counterbalancing poppet valve and valve stem that creates counterbalanced unsupported areas that allow the poppet valve to operate at higher speeds. The AURE can be fueled by raw, unprocessed fuel, including biomass, to generate efficient energy in a smaller overall package. | 12-27-2012 |
| 20130000301 | LOW PRESSURE STEAM PRE-HEATERS FOR GAS PURIFICATION SYSTEMS AND PROCESSES OF USE - Systems for regenerating an absorbent solution include steam produced by a boiler; a set of pressure turbines fluidly coupled to the boiler for receiving the steam, wherein the set of pressure turbines comprises a high pressure turbine, a medium pressure turbine and a low pressure turbine; and a regenerating system comprising a regenerator for regenerating a rich and/or semi-rich absorbent solution to form a lean absorbent solution in fluid communication with a reboiler, the regenerating system fluidly coupled to the set of pressure turbines, wherein steam from the low pressure turbine provides a heat source for preheating the rich or the semi-rich absorbent solution fed to the regenerator. Also disclosed are processes of use. | 01-03-2013 |
| 20130036736 | AUTOMATED MASS MANAGEMENT CONTROL - Embodiments of the invention generally provide a heat engine system, a mass management system (MMS), and a method for regulating pressure in the heat engine system while generating electricity. In one embodiment, the MMS contains a tank fluidly coupled to a pump, a turbine, a heat exchanger, an offload terminal, and a working fluid contained in the tank at a storage pressure. The working fluid may be at a system pressure proximal an outlet of the heat exchanger, at a low-side pressure proximal a pump inlet, and at a high-side pressure proximal a pump outlet. The MMS contains a controller communicably coupled to a valve between the tank and the heat exchanger outlet, a valve between the tank and the pump inlet, a valve between the tank and the pump outlet, and a valve between the tank and the offload terminal. | 02-14-2013 |
| 20130042614 | EMISSION FREE SYSTEM FOR GENERATING ENERGY FROM ORGANIC MATTER - A system for generating energy includes a greenhouse;
| 02-21-2013 |
| 20130055715 | METHOD FOR OPERATING A FUEL SUPPLY FOR A HEAT ENGINE - In a method for operating a fuel supply for a heat engine, in a first step the block valve ( | 03-07-2013 |
| 20130061591 | ADIABATIC COMPRESSED AIR ENERGY STORAGE SYSTEM AND METHOD - During an adiabatic compressed air energy storage (ACAES) system's operation, energy imbalances may arise between thermal energy storage (TES) in the system and the thermal energy required to raise the temperature of a given volume of compressed air to a desired turbine entry temperature after the air is discharged from compressed air storage of the ACAES system. To redress this energy imbalance it is proposed to selectively supply additional thermal energy to the given volume of compressed air after it received thermal energy from the TES and before it expands through the turbine. The additional thermal energy is supplied from an external source, i.e. fuel burnt in a combustor. The amount of thermal energy added to the given volume of compressed air after it received thermal energy from the TES is much smaller than the amount of useful work obtained from the given volume of compressed air by the turbine. | 03-14-2013 |
| 20130074499 | HYBRID THERMAL CYCLE WITH IMBEDDED REFRIGERATION | 03-28-2013 |
| 20130086905 | METHOD AND SYSTEM FOR ENHANCED ENERGY PRODUCTION FROM TRANSFORMING, REDUCING AND ELIMINATING ORGANIC MATERIAL AND MEDICAL WASTE - A waste transformation and destruction apparatus includes a natural gas ignition system, a silica material bed, a heat transfer device, and a system for collecting plasma produced energy. A reaction formed by heat from ignition, carbon from the waste material, supercritical water, —OH radicals, and muons released from the silica bed transform the waste into a fuel. This fuel is more efficiently consumed by the complete combustion process resulting in near total elimination of the waste, increased energy production, and virtually no emissions. | 04-11-2013 |
| 20130104547 | METHOD OF CONTROLLING A CLOSED LOOP PERFORMING A RANKINE CYCLE AND LOOP USING SAME | 05-02-2013 |
| 20130118168 | POWER-GENERATION PLANT EQUIPMENT AND OPERATING METHOD FOR THE SAME - Power-generation plant equipment of the present invention is provided with a steam-flow-volume adjusting valve that is provided in a superheated-steam pipe on the upstream side of a steam turbine. During startup of the steam turbine, a controller of the power-generation plant equipment increases a degree of opening of the steam-flow-volume adjusting valve from a closed position, thus increasing the frequencies of the steam turbine and an exhaust-heat-recovery generator; and, after the frequency of the exhaust-heat-recovery generator reaches the frequency of a grid, the controller connects an exhaust-heat-recovery-side breaker to supply power to the grid, and also sets the degree of opening of the steam-flow-volume adjusting valve to a substantially fully-open position, thus, operating the steam turbine depending on the frequency of the grid. | 05-16-2013 |
| 20130133325 | POWER GENERATION DEVICE AND METHOD - A power generation device includes an enclosed circuit through which a working medium circulates. The working medium is heated at a first location in the enclosed circuit, and cooled at a second location. The differential heating and cooling causes the working medium to circulate within the enclosed circuit. The circulating medium is used to drive a turbine, which in turn may drive an electric generator. | 05-30-2013 |
| 20130145762 | COUPLING SYSTEM FOR A HYBRID ENERGY PLANT - A coupling system for a hybrid energy plant including a heat-pump unit and a combined heat and power generation unit, having at least one coupling device for coupling the heat-pump unit and the combined heat and power generation unit. A device and a method provide a coupling for a heat-pump unit and a combined heat and power generation unit, in doing which, the highest possible overall efficiency and the lowest possible consumption of resources relative to already known uncoupled plants is ensured. At least one coupling device has an electrical coupling unit and/or a hydraulic coupling unit which are designed to be switchable for a coupling of the heat-pump unit and the combined heat and power generation unit. An energy-transformation system for generating heat and/or cold and a method for energy transformation having a coupling system are also provided. | 06-13-2013 |
| 20130152587 | SYSTEM AND METHOD FOR WARMING UP A STEAM TURBINE - A system for warming up a steam turbine includes a gas turbine and a controller operably connected to the gas turbine. The controller is programmed to receive a plurality of measured input signals and control the gas turbine to produce an exhaust having a desired energy. A first measured input signal is reflective of a measured operating parameter of the gas turbine and a second measured input signal is reflective of an operating parameter of the steam turbine. A method for warming up a steam turbine includes sending a plurality of measured input signals to a controller, wherein a first measured input signal reflects a measured operating parameter of a gas turbine and a second measured input signal reflects an operating parameter of the steam turbine. The method further includes controlling the gas turbine based on the plurality of measured input signals and producing an exhaust from the gas turbine, wherein the exhaust has a desired energy. | 06-20-2013 |
| 20130160447 | USE OF COMPOSITIONS COMPRISING E-1,1,1,4,4,5,5,5-OCTAFLUORO-2-PENTENE AND OPTIONALLY, 1,1,1,2,3-PENTAFLUOROPROPANE IN POWER CYCLES - A method for converting heat from a heat source to mechanical energy is provided. The method comprises heating a working fluid E-1,1,1,4,4,5,5,5-octafluoro-2-pentene (E-HFO-1438mzz) and optionally 1,1,1,2,3-pentafluoropropane (HFC-245eb) using heat supplied from the heat source; and expanding the heated working fluid to lower the pressure of the working fluid and generate mechanical energy as the pressure of the working fluid is lowered. Additionally, a power cycle apparatus containing a working fluid to convert heat to mechanical energy is provided. The apparatus contains a working fluid comprising E-HFO-1438mzz and optionally HFC-245eb. A working fluid is provided comprising E-HFO-1438mzz and HFC-245eb. The working fluid (i) has a temperature of at least about 150° C.; (ii) further comprises Z-HFO-1438mzz; or both (i) and (ii). | 06-27-2013 |
| 20130167532 | POWER GENERATOR AND RELATED ENGINE SYSTEMS - Systems and methods are disclosed for a two-part system with a gas generator and a driven engine system. In the two-part system, the first part of the system is the gas generator which produces power to operate and drive an engine. The driven engine is considered the second part of this two-part system. This method includes operating a gas generator combustion chamber that receives fuel, oxidizer, and water; an igniter coupled to the combustion chamber; and a computer controller that includes-sensors to sense pressure and temperature in the combustion chamber, wherein the computer controller controls the amount of fuel, oxidizer, and water in the chamber, and actuates the igniter. The combustion of the fuel and oxidizer combined with the steam that is produced are used to drive an engine. The system may also use an auxiliary unit to assist in the functions of the gas generator and the driven engine. | 07-04-2013 |
| 20130167533 | WASTE HEAT STEAM GENERATOR - A waste heat steam generator for a gas and steam turbine power plant is provided. The generator has economizer, evaporator and superheater heating surfaces which form a flow path and through which a flow medium flows. An overflow line branches off from the flow path and leads to injection valves arranged downstream at a flow side of a superheater heating surface in the flow path. The overflow line permits a brief power increase of a downstream steam turbine without resulting in an excessive loss in efficiency of the steam process. The brief power increase is permitted independently of the type of waste heat steam generator. The branch location of the overflow line is arranged upstream of an evaporator heating surface at the flow medium side and downstream of an economizer heating surface. | 07-04-2013 |
| 20130192228 | PROCESS AND DEVICE FOR AIR SEPARATION AND STEAM GENERATION IN A COMBINED SYSTEM - The disclosed process and apparatus provide for air separation and steam generation in a combined system that comprises a steam system ( | 08-01-2013 |
| 20130199184 | DUAL REHEAT RANKINE CYCLE SYSTEM AND METHOD THEREOF - A rankine cycle system includes a heater configured to circulate a working fluid in heat exchange relationship with a hot fluid to vaporize the working fluid. A hot system is coupled to the heater. The hot system includes a first heat exchanger configured to circulate a first vaporized stream of the working fluid from the heater in heat exchange relationship with a first condensed stream of the working fluid to heat the first condensed stream of the working fluid. A cold system is coupled to the heater and the hot system. The cold system includes a second heat exchanger configured to circulate a second vaporized stream of the working fluid from the hot system in heat exchange relationship with a second condensed stream of the working fluid to heat the second condensed stream of the working fluid before being fed to the heater. | 08-08-2013 |
| 20130205780 | SYSTEM AND METHOD FOR THERMOELECTRIC ENERGY GENERATION - Embodiments of the invention provide methods and apparatus for using a controllable heat source to generate electricity. One embodiment provides an energy generation module comprising a controllable heat source, one or more jackets of thermoelectric devices, and heat conducting fluids surrounding or otherwise thermally coupled to the jackets. The energy generation module can be used to convert heat from a heat source such as a gas combustion chamber into electricity. Embodiments of the invention are particularly useful for generating electricity when electrical power is not existent, cost prohibitive or otherwise in short supply. The generated electricity can be used by the user, stored in an electrical storage battery or sold to a local or remote power grid. | 08-15-2013 |
| 20130255257 | METHOD FOR CARBON CAPTURE IN A GAS TURBINE BASED POWER PLANT WITH A CARBON CAPTURE SYSTEM - Disclosed herein is a system comprising a compressor in mechanical communication with a turbine; the compressor being operative to produce compressed air; a premixer; the premixer being operative to mix a fuel with the compressed air; a carbonator being located downstream of the premixer; the carbonator being operative to receive a mixture of carbon dioxide and syngas and to convert a metal oxide into a metal carbonate by reacting it with the carbon dioxide; a calciner; the calciner being operative to receive the metal carbonate from the carbonator; and to dissociate carbon dioxide from the metal carbonate; and a combustor; the combustor being located downstream of the carbonator; where the combustor is operative to combust syngas received from the carbonator. | 10-03-2013 |
| 20130255258 | Rankine Cycle System - A method and apparatus for implementing the Rankine Cycle with improved efficiency through the use of thermal exchange between the working fluid and a brine liquid. In one embodiment, the brine liquid is further processed through a multistage flash distillation unit to produce distilled water or other minerals. Geothermal or exhaust waste heat may be used to further improve the Rankine Cycle efficiency, with remaining thermal energy improving the distillation process. | 10-03-2013 |
| 20130255259 | POWER RECOVERY FOR USE IN START-UP OR RE-START OF A PURE TEREPHTHALIC ACID PRODUCTION PROCESS - The invention relates to a method and system for recovering power from the gaseous stream produced by a paraxylene-air oxidation reaction. Specifically, the invention is based on heating the gaseous stream from the oxidation reaction to a temperature of at least 600° C., recovering energy through an expander, heating the expander vent stream and recovering heat from the vent stream. The recovered heat is used to maintain the oxidation process, purification process, start-up the process, or re-start the process after an interruption. | 10-03-2013 |
| 20130263598 | Method and Apparatus for Operating a Steam Cycle Process with a Lubricated Expander - Embodiments of the invention relate to a method for operating a steam cycle process performed in an apparatus having an evaporator or steam generator for the evaporation of a liquid working medium and an expander, which is lubricated by a lubricant, for the performance of mechanical work. The method comprises a) supplying the liquid working medium to the evaporator, in which it evaporates and is fed to the expander in the form of steam; b) supplying an ionic liquid, which at room temperature forms two liquid phases with the liquid working medium, to the expander as a lubricant; and c) separating the ionic liquid forming the lubricant for the expander from the working medium upstream of the evaporator. | 10-10-2013 |
| 20130269345 | RETROFIT FOR POWER GENERATION SYSTEM - A method of retrofitting a power generation system includes modifying a pre-existing power generation system that includes a combustor and a steam-based cycle to include a super-critical carbon dioxide-based Brayton cycle that is directly coupled through the combustor. The steam-based cycle is converted into a steam-based Rankine cycle that is in thermal-receiving communication with the super-critical carbon dioxide-based Brayton cycle. | 10-17-2013 |
| 20130269346 | COMBINED CYCLE POWER PLANT WITH CO2 CAPTURE AND METHOD TO OPERATE IT - A combined cycle power plant with a gas turbine, steam turbine, and first HRSG comprises a CO2 capture plant for the at least partial capture of CO2 from the exhaust gases from the gas turbine. It comprises in particular a second HRSG or boiler arranged to receive a portion of the exhaust gases and transfer its heat to steam and feedwater. Steam generated in the second HRSG or boiler is used for the operation of the CO2 capture plant and/or to operate a steam turbine that drives a generator and optionally a CO2 compressor. The power plant according to the invention allows for greater flexibility in power plant part load control and power plant efficiency. A method to operate the power plant is also claimed. | 10-17-2013 |
| 20130283795 | PROCESS FOR PRODUCING ALCOHOL AND OTHER BIOPRODUCTS FROM BIOMASS EXTRACTS IN A KRAFT PULP MILL - A method for the production of alcohol and other bioproducts from power boiler woody biomass extract containing hemicelluloses, with or without combining extract from wood prior to Kraft cooking. The process is integrated with the host Kraft pulp mill plant process to minimize the heat loss from extracting hemicelluloses and the energy used in the process. | 10-31-2013 |
| 20130291542 | ELECTRIC ENERGY DELIVERY DEVICE AND CONNECTED METHOD - An electric energy delivery device using waste energy sources such as steam, hot water, hot gases etc., a turbine being inserted into a circuit where a fluid suitable to change state (gas and liquid) at low temperature, comprising at least a heat exchanger where the fluid is made gaseous, a condenser where the fluid is made liquid and a recirculation pump, the turbine being fed with said gaseous fluid. | 11-07-2013 |
| 20130298558 | STEAM POWER PLANT WITH HEAT RESERVOIR AND METHOD FOR OPERATING A STEAM POWER PLANT - A steam power plant is suggested having, parallel to the low-pressure passage (VW | 11-14-2013 |
| 20130312414 | HYBRID THERMAL CYCLE WITH LOW PRESSURE BOILER - Work is produced from heat in a continuous cycle. The cycle involves communicating a first flow of a first working fluid to a low pressure boiler. The low pressure boiler forms a first flow of first working fluid vapor by using a low temperature thermal source. A second flow of the first working fluid is provided to a high pressure boiler to produce a second flow of first working fluid vapor at a pressure higher than the low pressure boiler. A second working fluid in vaporous form is compressed, after which a third working fluid is formed by mixing the first flow of first working fluid vapor, the second flow of second working fluid vapor, and the second working fluid. Thermal energy is transferred directly between one or more of the working fluids in the mixing chamber exclusive of any intervening structure. | 11-28-2013 |
| 20130318968 | Plasma Feedwater and/or Make Up Water Energy Transfer System - A method and system for converting a feedstock using thermal plasma or other gassifier, into a feedwater or make up water energy transfer system. Feedstock is any organic material or fossil fuel. The energy transferred in the feedwater or make N up water is used in any Rankine or other steam process, or any process that requires heat. Heat is extracted from a gas product issued by a gassifier and is delivered to a power plant via its feedwater system or make up water system. Preferably, the gassifier is a plasma gassifier and the gas product is syngas that is combusted in an afterburner. A heated air flow and/or EGR flow is provided the afterburner at a variable flow rate that is responsive an operating characteristic of the afterburner. | 12-05-2013 |
| 20130333385 | Supercritical Fluids, Systems and Methods for Use - A supercritical fluid comprises carbon dioxide and at least one disorder-inducing species. The proportion of carbon dioxide to the at least one disorder-inducing species in the supercritical fluid may be sufficient to induce disorder in the fluid. Power generation systems and thermal energy storage systems configured to use the supercritical fluid are described. | 12-19-2013 |
| 20130340433 | Transient Liquid Pressure Power Generation Systems and Associated Devices and Methods - A transient liquid pressure power generation system and associated devices and methods is disclosed. The system can include a liquid source and a transient pressure drive device fluidly coupled to the liquid source to receive liquid from the liquid source. The transient pressure drive device can include a drive component, and a transient wave or pressure producing element to cause a high pressure transient wave in the liquid traveling toward the liquid source to operate the drive component. Additionally, the system can include a heat source fluidly coupled to the transient pressure drive device and the liquid source to receive liquid from the transient pressure drive device and heat liquid returning to the liquid source. | 12-26-2013 |
| 20140013746 | COAL-FIRED POWER GENERATING SYSTEM AND COAL-FIRED POWER GENERATING METHOD - There is provided a coal-fired power generating system that, in addition to recovering latent heat of condensation and the like from a dry exhaust gas of a drying device, which is for predrying coal, precludes a large variation, from a design value, of the amount of steam flowing at a final stage of a steam turbine. | 01-16-2014 |
| 20140033711 | MULTIPLE ORGANIC RANKINE CYCLE SYSTEM AND METHOD - Systems and methods are provided for the use of systems that recover mechanical power from waste heat energy using multiple working expanders with a common working fluid. The system accepts waste heat energy at different temperatures and utilizes a single closed-loop circuit of organic refrigerant flowing through all expanders in the system where the distribution of heat energy to each of the expanders allocated to permit utilization of up to all available heat energy. In some embodiments, the system maximizes the output of the waste heat energy recovery process. The expanders can be operatively coupled to one or more generators that convert the mechanical energy of the expansion process into electrical energy. | 02-06-2014 |
| 20140053556 | Method and Apparatus for Combining a Heat Pump Cycle With A Power Cycle - Method and Apparatus for Combining a Heat Pump Cycle With A Power Cycle. The working fluid for the heat pump cycle will be different than that for the power cycle. | 02-27-2014 |
| 20140060047 | Steam Cycle System with Thermoelectric Generator - The present application provides a steam cycle system. The steam cycle system may include a source of steam, a steam turbine, a condenser, a steam turbine bypass system such that steam from the source of steam may bypass the steam turbine and be routed to the condenser, and one or more thermoelectric generators positioned about the steam turbine bypass system. | 03-06-2014 |
| 20140102097 | OPERATING STEAM TURBINE REHEAT SECTION WITH OVERLOAD VALVE - Disclosed is an approach that uses an overload valve to operate a steam turbine reheat section. In one embodiment, the steam turbine reheat section receives a supply of reheated steam from a reheater at a first steam admission location via a reheat valve. The steam turbine reheat section is further adapted to receive a diverted portion of the reheated steam from the reheater at a second steam admission location via the overload valve. | 04-17-2014 |
| 20140102098 | BYPASS AND THROTTLE VALVES FOR A SUPERCRITICAL WORKING FLUID CIRCUIT - Aspects of the invention disclosed herein generally provide heat engine systems and methods for recovering energy, such as by generating electricity from thermal energy. Generally, the heat engine system has a working fluid circuit containing a working fluid (e.g., sc-CO | 04-17-2014 |
| 20140102099 | POWER GENERATION PLANT AND METHOD OF OPERATING A POWER GENERATION PLANT - 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. | 04-17-2014 |
| 20140116049 | SYSTEM AND METHOD FOR USING BOILER FEEDWATER - A system includes a first steam generator configured to generate a first boiler feedwater, a second steam generator configured to generate a second boiler feedwater, a common boiler feedwater configured to combine the first boiler feedwater and the second boiler feedwater to produce a common boiler feedwater, and a heater configured to receive the common boiler feedwater to heat a gas. | 05-01-2014 |
| 20140130498 | CARBON DIOXIDE-BASED GEOTHERMAL ENERGY GENERATION SYSTEMS AND METHODS RELATED THERETO - A system comprises an injection well in communication with an underground reservoir containing a native methane-containing solution at a first temperature, a production well in communication with the reservoir, a supply system providing a non-water based working fluid to the injection well at a second temperature lower than the first temperature, wherein exposure of the working fluid to the native fluid causes a portion of methane to come out of solution to form a production fluid of at least a portion of the working fluid and the portion of methane, and exposure to the first temperatures heats the production fluid to a third temperature higher than the second temperature, wherein the heated production fluid enters the production well, and an energy recovery apparatus in communication with the productions well for converting energy in the production fluid to electricity, heat, or a combination thereof. | 05-15-2014 |
| 20140174082 | METHOD OF GENERATING A HIGH-SPEED AIRFLOW - Disclosed in the present invention is a method of generating a high-speed gas flow, utilizing a device comprised of a gas pipe, a circulating pipe and a starting and controlling system. The starting and controlling system is comprised of one or a combination of any two or more of a refrigerator, a circulating pump and a heat exchanger. The method comprises the following operation steps: filling the device with a working medium; activating the starting and controlling system; after having been pressurized under liquid state, the working medium absorbing heat and being gasified, entering the gas pipe, and generating the high-speed gas flow. The method may utilize a low quality heat source to convert a low-speed gas flow into a high-speed or extremely high-speed gas flow with relatively high use value. Thus, thermal energy carried by the fluid in the nature may be converted into mechanical energy efficiently. | 06-26-2014 |
| 20140182291 | Power Recovery System Using A Rankine Power Cycle Incorporating A Two-Phase Liquid-Vapor Expander With Electric Generator - A power recovery system using the Rankine power cycle incorporating a two-phase liquid-vapor expander with an electric generator which further consists of a heat sink, a heat source, a working fluid to transport heat and pressure energy, a feed pump and a two-phase liquid-vapor expander for the working fluid mounted together with an electric generator on one rotating shaft, a first heat exchanger to transport heat from the working fluid to the heat sink, a second heat exchanger to transport heat from the heat source to the working fluid. | 07-03-2014 |
| 20140208747 | STEAM TURBINE UTILIZING IP EXTRACTION FLOW FOR INNER SHELL COOLING - A steam circuit is defined in a multi-section single shaft turbine. A hot reheat steam is input to a section of the multi-section turbine. A first flow path flows the hot reheat steam from an upstream side through the section of the multi-section turbine to a downstream side to create work. A second flow path directs a portion of the flow back toward the upstream side in the section of the multi-section turbine between an outer shell and an inner shell of the turbine. The effective shell cooling provides for increased main and reheat steam temperatures to improve performance. The system reduces the extraction steam flow required to meet the design final feedwater temperatures and allows more steam to expand through the low pressure section. | 07-31-2014 |
| 20140208748 | CONTROL SYSTEM AND METHOD FOR BIOMASS POWER PLANT - A system and a method for controlling operation of a power plant system. The system has at least a gasifier, a boiler, an induced draft fan, and a baghouse. A controller in communication with the system is configured to implement a first stage and/or a second stage sequences after detecting loss of flame in the boiler using a temperature measurement device. The method includes automatically bypassing the baghouse and controlled (e.g., decreasing) the speed of the induced draft fan in the system to relight the boiler. The input feed to the gasifier can be limited and devices operated for a predetermined amount of time before reigniting the boiler. | 07-31-2014 |
| 20140208749 | CARBON DIOXIDE RECOVERY METHOD AND CARBON-DIOXIDE-RECOVERY-TYPE STEAM POWER GENERATION SYSTEM - According to one embodiment, a carbon-dioxide-recovery-type steam power generation system comprises a boiler that produces steam and generates an exhaust gas, a first turbine that is rotationally driven by the steam, an absorption tower allows carbon dioxide contained in the exhaust gas to be absorbed into an absorption liquid, a regeneration tower that discharges the carbon dioxide gas from the absorption liquid supplied from the absorption tower, a condenser that removes moisture from the carbon dioxide gas, discharged from the regeneration tower, by condensing the carbon dioxide gas using cooling water, a compressor that compresses the carbon dioxide gas from which the moisture is removed by the condenser, and a second turbine that drives the compressor. The steam produced by the cooling water recovering the heat from the carbon dioxide gas in the condenser is supplied to the first turbine or the second turbine. | 07-31-2014 |
| 20140230437 | METHOD FOR GENERATING HEAT ENERGY AND ELECTRICAL ENERGY FROM VARIOUS TYPES OF WASTE AND SYSTEM FOR IMPLEMENTING SAID METHOD - A method including obtaining biogas, treated water and oxygen from sewage and various wastes; feeding a boiler: in a first step, with biogas and oxygen, and in a second step, with treated water supplied at a very high pressure to the injectors of the boiler, while maintaining an input of biogas; producing superheated steam at a temperature above 650° C. and low humidity in a heat exchanger heated by the boiler; driving, by the produced steam, a steam turbine connected to an electric generator; and condensing the steam from the turbine and recirculating it to the heat exchanger. | 08-21-2014 |
| 20140260249 | METHOD AND APPARATUS FOR IMPROVING ELECTRO-HYDRAULIC AND ELECTRO-MECHANICAL INTEGRATED CONTROL SYSTEMS OF A STEAM TURBINE - A means to effect a trip response regardless of the electro-mechanical actuator type used for improving electro-hydraulic and electro-mechanical integrated control systems for a steam turbine. To achieve this goal, electro-mechanical actuators can be equipped with multiple coils or multiple motors (usually a primary and a secondary). In a dual-coil configuration, the primary is energized according to an output of a PID controller, whereas the secondary coil is regulated by a separate control element. The entire system is powered by means of Uninterruptable Power Supply (UPS) with AC output which can provide sufficient time for trip response using primary coil or motor. At the same time, secondary coil or motor is powered by independent power from a UPS and/or separate battery backup. Whenever trip response is required, and there is a complete main power interruption secondary coil or motor is quickly energized to provide adequate trip response. | 09-18-2014 |
| 20140260250 | APPARATUS, SYSTEMS, AND METHODS FOR LOW GRADE WASTE HEAT MANAGEMENT - The present invention relates to apparatus, systems, and methods of managing large quantities of low-grade waste heat energy by 1) generating excess electric power via an ORC process driven by the removal and recovery of waste heat under favorable operating conditions, and 2) utilizing the same apparatus to provide waste heat removal via a refrigeration process that consumes electric power when environmental conditions do not permit operation in the ORC mode. The mode of operation of the system is principally determined by the thermal energy of the waste heat stream and the availability, or lack thereof, of adequate cooling resources. Such resources are often subject to local environmental conditions, particularly ambient temperature which varies on a diurnal and annual basis. | 09-18-2014 |
| 20140298810 | Power Generation System and Method - A power generation system comprises a first energy conversion device configured to convert a first renewable energy resource into electricity, an electrolysis device configured to use electricity from the first energy conversion device to electrolyze water into hydrogen and oxygen, a hydrogen gas storage tank configured to store hydrogen from the electrolysis device, a fuel cell configured to convert chemical energy in the hydrogen from the hydrogen gas storage tank into electricity, a boiler configured to use electricity from the fuel cell to boil water into steam, and a steam powered turbine generator configured to convert energy in the steam to electricity. | 10-09-2014 |
| 20140298811 | THERMAL PULSE ENERGY HARVESTING - A device for thermal energy harvesting can use pulsed heat. | 10-09-2014 |
| 20140298812 | ORC HEAT ENGINE - An ORC heat engine including a working fluid circuit having an evaporator for heating and evaporating a working fluid, a condenser for cooling and condensing the working fluid, and a positive displacement expander-generator having an inlet in fluid communication with the evaporator and an outlet in fluid communication with the condenser. The ORC heat engine further includes a control system coupled to the positive displacement expander-generator having a switch and driving means, the switch being switchable between a first state and a second state, wherein in the first state the switch is coupled to the driving means, and the positive displacement expander-generator is drivable by the driving means, and in the second state the switch is not coupled to the driving means or the driving means is switched off, and the positive displacement expander-generator is not drivable by the driving means. | 10-09-2014 |
| 20140298813 | HIGH-TEMPERATURE ENERGY STORE WITH RECUPERATOR - A charging circuit for converting electrical energy into thermal energy is provided, having a compression stage, connected via a shaft to an electric motor, a heat exchanger and an expansion stage, which is connected via a shaft to a generator, wherein the compression stage is connected to the expansion stage via a hot-gas line, and the heat exchanger is connected on the primary side into the hot-gas line, wherein the expansion stage is connected via a return line to the compression stage, so that a closed circuit for a working gas is formed. A recuperator is also provided which, on the primary side, is connected into the hot-gas line between the heat exchanger and the expansion stage and, on the secondary side, is connected into the return line, so that heat from the working gas in the hot-gas line can be transferred to the working gas in the return line. | 10-09-2014 |
| 20140311145 | METHOD FOR CONVERTING THERMALY ENERGY INTO USEFUL WORK - The invention relates to heat power engineering, in particular, to methods that use a working medium for producing useful work from heat of an external source. The method comprises interaction of the working medium with an energy source and interaction of the working medium with an additional low-temperature energy source in the form of the positron state of the Dirac's matter by means of bringing the working medium into quantum-mechanical resonance with said state. The quantum-mechanical resonance is initiated by changing at least one of the thermodynamic parameters of the working medium, while the value of spontaneous fluctuations of the variable parameter in the vicinity of the line of absolute instability in the state diagram of the working medium is predetermined, and the change step for the thermodynamic parameter is set to be lower than the predetermined value of said fluctuations. | 10-23-2014 |
| 20140331671 | WATER/STEAM CYCLE AND METHOD FOR OPERATING THE SAME - A water/steam cycle includes a steam generator, a steam turbine, a water cooled condenser and a feedwater pump. The condenser includes within a condenser shell at least one tube bundle with an internal air cooler, which is connected to an external ejector/vacuum pump by means of a suction line. In order to reduce the condenser evacuation time at the start-up of the water/steam cycle without using auxiliary steam, an additional evacuation line with a motorized isolating valve connects the external ejector/vacuum pump with the condenser shell. The action of the isolating valve is controlled by means of a control. | 11-13-2014 |
| 20140345278 | METHOD FOR OPERATING A GAS AND STEAM TURBINE INSTALLATION FOR FREQUENCY SUPPORT - A method for operating a gas and steam turbine system having a gas turbine, a steam turbine and a waste heat steam generator is provided herein, wherein steam for the steam turbine can be generated in the exchange of heat with exhaust gas from the gas turbine. Absorption capacity of the steam turbine can be increased and pressure in the waste heat steam generator can be lowered to utilize storage reserves in the waste heat steam generator for increased generation of steam to assist the frequency in the power system starting from a steady-state operating mode. Thermal energy is fed to the waste heat steam generator wherein a power profile of the gas and steam turbine system is greater than or equal to a preceding power level of the steady-state operating mode to increase the absorption capacity of the steam turbine and reduce pressure in the waste heat steam generator. | 11-27-2014 |
| 20140345279 | Thermal Energy Conversion Method - A method for converting thermal energy into mechanical energy in a thermodynamic cycle includes placing a thermal energy source in thermal communication with a heat exchanger arranged in a working fluid circuit containing a working fluid (e.g., sc-CO2) and having a high pressure side and a low pressure side. The method also includes regulating an amount of working fluid within the working fluid circuit via a mass management system having a working fluid vessel, pumping the working fluid through the working fluid circuit, and expanding the working fluid to generate mechanical energy. The method further includes directing the working fluid away from the expander through the working fluid circuit, controlling a flow of the working fluid in a supercritical state from the high pressure side to the working fluid vessel, and controlling a flow of the working fluid from the working fluid vessel to the low pressure side. | 11-27-2014 |
| 20140352305 | SYSTEM AND METHOD OF WASTE HEAT RECOVERY - A novel Rankine cycle system configured to convert waste heat into mechanical and/or electrical energy is provided. In one aspect, the system provided by the present invention comprises a novel configuration of the components of a conventional Rankine cycle system; conduits, ducts, heaters, expanders, heat exchangers, condensers and pumps to provide more efficient energy recovery from a waste heat source. In one aspect, the Rankine cycle system is configured such that an initial waste heat-containing stream is employed to vaporize a first working fluid stream, and a resultant heat depleted waste heat-containing stream and a first portion of an expanded second vaporized working fluid stream are employed to augment heat provided by an expanded first vaporized working fluid stream in the production of a second vaporized working fluid stream. The Rankine cycle system is adapted for the use of supercritical carbon dioxide as the working fluid. | 12-04-2014 |
| 20140352306 | SYSTEM AND METHOD OF WASTE HEAT RECOVERY - A novel Rankine cycle system configured to convert waste heat into mechanical and/or electrical energy is provided. The system provided by the present invention comprises a novel configuration of the components of a conventional Rankine cycle system; conduits, ducts, heaters, expanders, heat exchangers, condensers and pumps to provide more efficient energy recovery from a waste heat source. In one aspect, the Rankine cycle system is configured such that three distinct condensed working fluid streams are employed at various stages in the waste heat recovery cycle. A first condensed working fluid stream is vaporized by an expanded first vaporized working fluid stream, a second condensed working fluid stream absorbs heat from an expanded second vaporized working fluid stream, and a third condensed working fluid stream removes heat directly from a waste heat-containing stream. The Rankine cycle system is adapted for the use of supercritical carbon dioxide as the working fluid. | 12-04-2014 |
| 20140360189 | INTEGRATED SEPARATOR TURBINE - A fluid processing system and method are provided for separating a liquid portion from a multiphase fluid. The system and method may include a steam turbine assembly coupled with a rotary shaft, and a separator coupled with the rotary shaft and positioned upstream of the steam turbine assembly. The separator may include an inlet end configured to receive a multiphase fluid, an outlet end fluidly coupled with the steam turbine assembly, and a separation chamber extending from the inlet end to the outlet end. The separation chamber may be configured to separate a liquid portion from the multiphase fluid to thereby provide a substantially gaseous fluid to the steam turbine assembly. | 12-11-2014 |
| 20140366537 | STEAM POWER PLANT TURBINE AND CONTROL METHOD FOR OPERATING AT LOW LOAD - In a system for effecting pressure control in a thermal power plant operated at low load connected fluidly in series, a relief conduit is disclosed herein. The relief conduit selectively transfers steam from a cold reheat conduit to the second extraction conduit. The plant further includes a boiler, a high-pressure turbine, an intermediate pressure turbine, a low pressure turbine, a main steam conduit for feeding steam from the boiler to an inlet of the high pressure turbine, a cold reheat conduit for feeding steam from an outlet of the high-pressure turbine through a reheat flow path in the boiler, and a first and second high pressure heaters. A first extraction conduit connects the cold reheat conduit to a first high pressure heater to transfer heat, and a second extraction conduit connects the intermediate pressure turbine to the second high pressure heater, to transfer heat. | 12-18-2014 |
| 20140373538 | OXY-BOILER WITH STEAM ASSISTED PRODUCTION - Methods and systems relate to an oxy-boiler used to generate steam injected into a well for assisting recovery of hydrocarbons. Operating conditions of a burner for the oxy-boiler limits oxygen contamination in a resulting flue gas for carbon dioxide recovery and limits size of the oxy-boiler, which may thus be located proximate the well rather at a central processing facility. In contrast to a direct steam generation approach where resulting carbon dioxide is mixed with steam, the oxy-boiler also enables selection of a desired level of carbon dioxide injection, which may be provided with the flue gas that may be exhausted from the oxy-boiler at an injection pressure. | 12-25-2014 |
| 20140373539 | MULTIFUNCTION DOMESTIC STATION, DEVICE FOR POWERING THE SAME WITH HYDROGEN AND METHOD OF OPERATING THE SAME - A multifunction domestic station includes a reaction chamber connected to a source of a pressurised mixture of water and air, to a first source of a first fuel capable of endothermically reacting with the mixture and to a second source of a second fuel. The station also includes heating devices capable of heating the first fuel to a combustion temperature in order to prime the reaction between the fuel and the mixture; and devices for utilising the thermal energy generated by the reaction, in order to make the station operate as an electric power generator, a heat generator and a device for the disposal of domestic wastes. A device for powering the station with the second fuel and a method of operating the station are also provided. | 12-25-2014 |
| 20150007567 | PLANT AND METHOD FOR INCREASING THE EFFICIENCY OF ELECTRIC ENERGY PRODUCTION | 01-08-2015 |
| 20150007568 | POWER GENERATION APPARATUS, POWER GENERATION METHOD, DECOMPOSITION-GAS TURBINE AND DECOMPOSITION-GAS BOILER - A power generation apparatus, a power generation method, a decomposition-gas boiler, and a decomposition-gas turbine with which nitrous oxide may be used as an environmentally friendly energy source. A fuel gas including nitrous oxide (N | 01-08-2015 |
| 20150013338 | DEVICE FOR CONTROLLING A WORKING FLUID IN A CLOSED CIRCUIT OPERATING ACCORDING TO THE RANKINE CYCLE, AND METHOD USING SAID DEVICE - The present invention relates to a device for controlling a working fluid with low freezing point circulating in a closed loop ( | 01-15-2015 |
| 20150052895 | HEAT EXCHANGER, HEAT ENGINE SYSTEM AND CONTROL METHOD USING THE SAME - A heat exchanger is provided. The heat exchanger comprises an evaporator, a vapor-liquid separator, a liquid level sensor and a controller. The evaporator is used for heating a working fluid up to a vapor-liquid state, and has a working fluid inlet pipe and a working fluid outlet pipe. The vapor-liquid separator is connected to the working fluid outlet pipe for separating the working fluid into a vapor working fluid and a liquid working fluid. The liquid level sensor detects a level of the liquid working fluid inside the vapor-liquid separator and outputs a liquid level signal. The controller receives the liquid level signal and controls the vapor quality of the working fluid inside the evaporator. | 02-26-2015 |
| 20150089947 | Waste Processing - The present invention provides a method and apparatus of processing material having an organic content. The method comprises heating a batch of the material (“E”) in a batch processing apparatus ( | 04-02-2015 |
| 20150089948 | COMPRESSOR AND/OR EXPANDER DEVICE - Systems and methods for operating a hydraulically actuated device/system are described herein. For example, systems and methods for the compression and/or expansion of gas can include at least one pressure vessel defining an interior region for retaining at least one of a volume of liquid or a volume of gas and an actuator coupled to and in fluid communication with the pressure vessel. The actuator can have a first mode of operation in which a volume of liquid disposed within the pressure vessel is moved to compress and move gas out of the pressure vessel. The actuator can have a second mode of operation in which a volume of liquid disposed within the pressure vessel is moved by an expanding gas entering the pressure vessel. The system can further include a heat transfer device configured to transfer heat to or from the at least one of a volume of liquid or a volume of gas retained by the pressure vessel. | 04-02-2015 |
| 20150096300 | Combined Cycle Hybrid Vehicle Power Generation System - An integral combined cycle electric power generation system capable of generating electricity in any environment in which a fluid, such as air, moves relative to the system. Preferably this system is integrated with a hybrid airplane, though it is applicable in a number of other scenarios including, but not limited to, integration with: locomotives, ships, automobiles, trucks, and wind turbines. An exterior surface of the machine in which the system is thermally integrated is a condenser in a closed loop Rankine or Brayton cycle. | 04-09-2015 |
| 20150107247 | CONTROL SYSTEM FOR OXY FIRED POWER GENERATION AND METHOD OF OPERATING THE SAME - A method of operating an electricity production system having at least one oxy-combustion boiler unit and a turbine for electricity generation at least includes the steps of: determining a power demand for an air separation unit that supplies oxygen gas to the boiler unit and a gas processing unit that treats flows of fluid for CO | 04-23-2015 |
| 20150107248 | OXY FIRED POWER GENERATION SYSTEM AND METHOD OF OPERATING THE SAME - An electricity production system configured to operate in accordance with a method of operating an electricity production system that at least includes the steps of: determining an oxygen distribution between oxygen gas to be separated by an air separation unit (“ASU”) and oxygen gas stored in a storage tank of the ASU to be fed to the boiler unit, determining a carbon capture value for a gas processing unit, determining a power consumption value for the gas processing unit and the ASU, determining a total power demand value based on the power consumption value of the gas processing unit and the ASU, and on a determined electricity demand, and controlling the boiler unit, the turbine, the ASU, and the gas processing unit based on the determined total power demand along with correcting signals generated from a coordinated Model Predictive Control. | 04-23-2015 |
| 20150107249 | Extracting Heat From A Compressor System - A system includes a gas compressor system and a thermal cycle. The gas compressor system includes a compressor housing defining an interior compressor chamber. A gas compressor is in the interior compressor chamber to compress gas received into interior compressor chamber. A heat exchange fluid passage is provided adjacent to a surface that contacts the gas being compressed by the gas compressor. The thermal cycle includes a working fluid heated using the heat exchange fluid passage of the compressor housing. The working fluid is expanded by the thermal cycle to generate electricity. | 04-23-2015 |
| 20150121870 | THERMAL SLUDGE TO ENERGY TRANSFORMER - Systems and processes provide for a thermal process to transform sludge (and a variety of other natural waste materials) into electricity. Dewatered sludge and other materials containing a high amount of latent energy are dried into a powdered biofuel using a drying gas produced in the system. The drying gas is recirculated and is heated by the biofuel produced in the system, waste heat (from turbines or internal combustion engines), gas (including natural gas or digester gas) and/or oil. The biofuel is combusted in a boiler system that utilizes a burner operable to burn biofuel and produce heat utilized in a series of heat exchangers that heat the recirculating drying air and steam that powers the turbines for electricity production. | 05-07-2015 |
| 20150128595 | METHOD FOR MODIFYING A SOLAR THERMAL POWER PLANT OPERATING ON CONVENTIONAL OIL BASED TECHNOLOGY INTO A HYBRID SOLAR THERMAL POWER PLANT AND SUCH A HYBRID SOLAR THERMAL POWER PLANT - Method for modifying a solar thermal power plant operating on conventional oil based technology into a hybrid solar thermal power plant, wherein the method comprises:
| 05-14-2015 |
| 20150292732 | PROCESS FOR RECOVERING POWER - The present invention provides a process for power recovery in a process for producing ethylene, comprising steam cracking a hydrocarbon feed to produce a cracked gas product; cooling the cracked gas product by indirect heat exchange with high pressure liquid water to obtain cooled cracked gas product while evaporating the high pressure liquid water to high pressure steam; expanding the high pressure steam in a first steam expansion turbine to produce power and to obtain medium pressure steam; heating at least part of the medium pressure steam to increase the temperature of the medium pressure steam by passing the medium pressure steam through a convection zone of the cracking furnace and retrieving reheated medium pressure steam from the convection zone; expanding at least part of the reheated medium pressure steam in a second steam expansion turbine to produce power and to obtain low pressure steam. | 10-15-2015 |
| 20150300210 | DEVICE FOR CONTROLLING A CLOSED LOOP WORKING ON A RANKINE CYCLE AND METHOD USING SAME - The present invention is a device and method for controlling a closed loop ( | 10-22-2015 |
| 20150330258 | VOLUMETRIC ENERGY RECOVERY SYSTEM WITH THREE STAGE EXPANSION - A method for generating mechanical work via a closed-loop Rankine cycle includes heating a working fluid to at least a partial vapor state, generating useful work at a first expansion stage by expanding the working fluid as the working fluid passes through the first expansion stage, generating useful work at a second expansion stage by expanding the working fluid as the working fluid passes through the second expansion stage, generating useful work at a third expansion stage by expanding the working fluid as the working fluid passes through the third expansion stage, and condensing the working fluid to a liquid state. | 11-19-2015 |
| 20150330259 | POWER GENERATION SYSTEM, AND MAINTENANCE METHOD FOR POWER GENERATION SYSTEM - This power generation system includes a first on-off valve that, with respect to a maintenance target device including at least one among a circulation pump, an evaporator, an expander, and a condenser that are provided in a medium circuit through which a medium with a boiling point lower than that of water circulates, is provided on the upstream side in a flow direction of the medium in the medium circuit, and is capable of shutting off the flow of the medium; a second on-off valve that is provided on the downstream side in the flow direction of the medium in the medium circuit, and is capable of shutting off the flow of the medium; a port that is communicable with the medium circuit between the first on-off valve and the second on-off valve; and a third on-off valve that is provided in the port. | 11-19-2015 |
| 20150337689 | MULTIPLE ORGANIC RANKINE CYCLE SYSTEMS AND METHODS - Systems and methods are provided for the recovery mechanical power from heat energy sources using a common working fluid comprising, in some embodiments, an organic refrigerant flowing through multiple heat exchangers and expanders. The distribution of heat energy from the source may be portioned, distributed, and communicated to each of the heat exchangers so as to permit utilization of up to all available heat energy. In some embodiments, the system utilizes up to and including all of the available heat energy from the source. The expanders may be operatively coupled to one or more generators that convert the mechanical energy of the expansion process into electrical energy, or the mechanical energy may be communicated to other devices to perform work. | 11-26-2015 |
| 20150337691 | PROVIDING POWER TO A DATA CENTER - Techniques for providing power to a data center includes transferring heat from a computer data center to warm a fluid stored within an energy regeneration system; circulating the warmed fluid to a flow of compressed gas stored within the energy regeneration system during a discharging process that expands the compressed gas; generating energy with the energy generation system from the discharging process; and providing at least a portion of the generated energy to the computer data center as electrical power. | 11-26-2015 |
| 20150337758 | METHOD OF STARTING UP A THERMOREACTOR - A method of starting up a thermoreactor arranged in an exhaust gas flow of an internal combustion engine includes igniting combustion gas by spark ignition in at least one cylinder of the internal combustion engine. The exhaust gas resulting from the combustion of the combustion gas is fed at least partially to the thermoreactor as an exhaust gas flow. The temperature of the exhaust gas resulting from combustion of the combustion gas is increased by the moment in time of the spark ignition being selected later in comparison with a present moment in time. | 11-26-2015 |
| 20150345339 | Supercritical Working Fluid Circuit with a Turbo Pump and a Start Pump in Series Configuration - Aspects of the invention provided herein include heat engine systems, methods for generating electricity, and methods for starting a turbo pump. In some configurations, the heat engine system contains a start pump and a turbo pump disposed in series along a working fluid circuit and configured to circulate a working fluid within the working fluid circuit. The start pump may have a pump portion coupled to a motor-driven portion and the turbo pump may have a pump portion coupled to a drive turbine. In one configuration, the pump portion of the start pump is fluidly coupled to the working fluid circuit downstream of and in series with the pump portion of the turbo pump. In another configuration, the pump portion of the start pump is fluidly coupled to the working fluid circuit upstream of and in series with the pump portion of the turbo pump. | 12-03-2015 |
| 20150361831 | SYSTEM AND METHOD FOR THERMAL MANAGEMENT - A system includes a first unit. The first unit includes a condenser configured to condense a working fluid circulating in a Rankine cycle. The Rankine cycle includes an evaporator configured to evaporate the working fluid by absorbing heat from a heating fluid circulated in a heating fluid circuit. The first unit also includes a heat exchanger configured to transfer heat from a heat source to the heating fluid. The first unit further includes a driving pump configured to provide a driving force for circulating the heating fluid in the heating fluid circuit. The first unit still includes a common support structure. The condenser, the heat exchanger, and the driving pump are mounted on the common support structure. | 12-17-2015 |
| 20150361834 | AMBIENT ENERGY THERMODYNAMIC ENGINE - The thermodynamics of an engine require that there be a source of energy (usually in the form of heat) from which energy is taken, processed to convert this heat energy into useful torque (energy) on an output shaft, and the energy returned to a lower temperature sink. The amount of useful energy that a thermodynamic engine can transfer to the process fluid from the heat source is some proportion of the difference in the energy available between the source and sink, and the efficiency of converting the process fluid energy into useful output shaft torque. This renewable energy source thermodynamic engine manipulates the process fluid temperature to lower it below ambient temperature to use ambient heat as the source, then processes the fluid to elevate the fluid above ambient temperature to us the ambient as the sink. | 12-17-2015 |
| 20150377076 | Control Methods for Heat Engine Systems Having a Selectively Configurable Working Fluid Circuit - Systems and methods for controlling a heat engine system are provided. One method includes initiating flow of a working fluid through a working fluid circuit having a high pressure side and a low pressure side by controlling a pump to pressurize and circulate the working fluid through the working fluid circuit and determining a configuration of the working fluid circuit by determining which of a plurality of waste heat exchangers and which of a plurality of recuperators to position in the high pressure side of the working fluid circuit. The method also includes determining, based on the determined configuration of the working fluid circuit, for each of a plurality of valves, whether to position each respective valve in an opened position, a closed position, or a partially opened position and actuating each of the plurality of valves to the determined opened position, closed position, or partially opened position. | 12-31-2015 |
| 20150377482 | Waste Processing - This invention provides a system ( | 12-31-2015 |
| 20160024973 | Conversion of Power Plants to Energy Storage Resources - A thermal energy storage system includes one or more components from a Rankine Cycle power plant such as steam turbine and other equipment. The system can include a thermal storage material, a heat source that is heated by running electricity through a heating element for heating the thermal storage material, and a heat exchange for generating steam using the thermal energy stored in the thermal storage material. The system can be configured to store energy during periods of low electricity demand or abundant supply. The system can be configured to generate electricity using the stored thermal energy to generate steam and run one or more turbines. | 01-28-2016 |
| 20160032785 | Method and Apparatus for Combining a Heat Pump Cycle With A Power Cycle - The working fluid for the heat pump cycle will be different than that for the power cycle. | 02-04-2016 |
| 20160033128 | POWER GENERATION SYSTEM AND METHOD TO OPERATE - A method to operate a power generation system and the device itself includes an oxy-fuel burner, a first heat exchanger assembly, and a rankine-cycle. The oxy-fuel burner generates an exhaust fluid submitted to an exhaust fluid line and the rankine-cycle is operated with the working media which is circulating separately from the exhaust fluid. The exhaust fluid line is provided with a recirculation line downstream the first heat exchanger assembly and upstream the working media heat exchanger extracting exhaust fluid from the exhaust fluid line, conducting extracted exhaust fluid to a compression unit to increase pressure and injecting downstream the extracted exhaust fluid into the oxy-fuel burner. | 02-04-2016 |
| 20160047279 | VORTEX TUBE SUPPLYING SUPERHEATED VAPOR FOR TURBINE POWER GENERATION - The vortex tube when properly used within a Rankine Cycle can produce phenomenal results. This invention functionally describes the preferred vortex tube used to produce superheated vapor from a compressed heated liquid without summoning the additional heat required for latent-heat to effect vaporization. The vortex tube provides superheated vapor to a turbine for generating electricity burning 50% less fossil fuel, also releasing 50% less carbon emissions to the environment. The vortex tube extends the efficient Rankine Cycle temperature range well below 150° F. with the proper refrigerant choice. The physical size and function of the heating equipment is reduced. This invention delivers new thermal efficiencies for both the Rankine Cycle and the Organic Rankine Cycle. | 02-18-2016 |
| 20160102582 | RANKINE CYCLE SYSTEM FOR VEHICLE HAVING DUAL FLUID CIRCULATION CIRCUIT AND METHOD OF CONTROLLING THE SAME - A Rankine cycle system for a vehicle having a dual fluid circulation circuit includes a high temperature (HT) loop in which a HT working fluid is converted to steam by heat of exhaust gas discharged from an engine. The steam is condensed back into the liquid state of the HT working fluid. A Low Temperature (LT) loop in which a temperature of an LT working fluid converted to steam is increased so that power is generated while the LT working fluid cools the HT working fluid in the HT loop, and the steam is condensed back into the liquid state of the LT working fluid. An engine coolant circulation auxiliary line forming a circulation flow in which engine coolant heats the LT working fluid and is then returned to the engine after the engine coolant circulated in the engine is supplied to the LT loop. | 04-14-2016 |
| 20160109138 | SYSTEM FOR PRODUCING HEAT SOURCE FOR HEATING OR ELECTRICITY USING MEDIUM/LOW TEMPERATURE WASTE HEAT, AND METHOD FOR CONTROLLING THE SAME - A system for producing a heat source for heating or electricity, using medium/low-temperature waste heat includes: an absorption-type heat pump ( | 04-21-2016 |
| 20160116156 | METHODS AND APPARATUS FOR POWER RECOVERY IN FLUID CATALYTIC CRACKING SYSTEMS - A co-generation process for a regenerator in an FCC system having a reactor and a regenerator includes the steps of introducing flue gas from the regenerator into a heating unit at a first location of the heating unit, and introducing an oxygen/fuel gas mixture into the heating unit at a second location of the heating unit apart from the first location, and combusting the oxygen/fuel gas mixture in the heating unit at the second location to form a hot combustion gas. The process further includes the steps of combining the hot combustion gas and the flue gas at a third location of the heating unit apart from the first location to produce heated flue gas, heating water and/or steam with the heated flue gas to produce a heated steam, and introducing the heated steam into a turbine to extract energy from the heated steam. | 04-28-2016 |
| 20160138428 | SYSTEM AND METHOD FOR HEAT RECOVERY AND STEAM GENERATION IN COMBINED CYCLE SYSTEMS - A system includes a heat recovery steam generator (HRSG) including a first pressure economizer, a first pressure evaporator that may receive a first portion of a feed water from the first pressure economizer at a first pressure, a re-heat section that may receive the first portion of the feed water from the first pressure economizer as a first steam flow, and a flash system including a first flash vessel that may receive a second portion of the feed water from the first pressure economizer and to generate a first flash steam flow. The system may combine the first flash steam flow with the first steam flow of the feed water at a second pressure less than the first pressure. | 05-19-2016 |
| 20160138429 | METHOD OF CONTROLLING TURBINE OF EXHAUST HEAT RECOVERY SYSTEM - A method of controlling a turbine of an exhaust heat recovery system in which heat of exhaust gas evaporates a working fluid through a heat exchanger provided in an exhaust pipe and the working fluid is supplied to the turbine may include measuring an internal temperature of the heat exchanger, and rotating the turbine in a reverse direction when the measured internal temperature is a predetermined temperature or less. | 05-19-2016 |
| 20160138432 | EXHAUST HEAT RECOVERY SYSTEM - An exhaust heat recovery system includes an exhaust pipe through which exhaust gas exhausted from an engine moves, a heat exchanger mounted in the exhaust pipe and inducing heat exchange between the exhaust gas and a working fluid flowing therein, a plurality of reservoirs supplying working fluids to the heat exchanger, and channel adjusting valves allowing any one of the plurality of reservoirs to be in communication with the heat exchanger. | 05-19-2016 |
| 20160146517 | HEAT RECOVERY AND UPGRADING METHOD AND COMPRESSOR FOR USING IN SAID METHOD - A heat recovery and upgrading method includes cycles of the subsequent steps of providing a working fluid including a liquid phase in a working fluid stream; transferring heat to the working fluid stream to partially evaporate working fluid in liquid phase to obtain a two-phase working fluid stream in liquid phase and gas phase; compressing the two-phase working fluid stream so as to increase a temperature and pressure of the working fluid and to evaporate working fluid in liquid phase; and transferring heat from the working fluid stream by element of condensation of working fluid. In the first step he working fluid is preferably in a predominantly single-phase working fluid stream in liquid phase when heat is transferred to the working fluid. In the third step working fluid in liquid phase is preferably evaporated so that a two-phase working fluid stream is maintained, especially a wet gas-phase working fluid. | 05-26-2016 |
| 20160153316 | METHANATION METHOD AND POWER PLANT COMPRISING CO2 METHANATION OF POWER PLANT FLUE GAS | 06-02-2016 |
| 20160160864 | COOLING SYSTEM FOR AN ENERGY STORAGE SYSTEM AND METHOD OF OPERATING THE SAME - An energy storage system includes an intercooler coupled to an axial compressor and a multi-stage radial compressor including a first stage radial compressor and a second stage radial compressor, coupled to the intercooler. The energy storage system further includes a thermal energy storage unit coupled to the multi-stage radial compressor and an air storage unit coupled to the thermal energy storage unit. The energy storage system also includes a turbine coupled to the thermal energy storage unit and a cooling system coupled to the axial compressor and configured to cool air fed to the axial compressor. | 06-09-2016 |
| 20160169055 | LUBRICATION OF EXPANSION MACHINES | 06-16-2016 |
| 20160376933 | ELECTRICITY-WATER CO-GENERATION SYSTEM AND METHOD - An electricity-water co-generation system and method, the method comprising: step 1, heating saline water by spent steam, crystallizing a calcium magnesium compound in the saline water, then filtering the saline water; step 2, distilling the descaled water, and discharging strong saline water; step 3, converting the heat energy of the saturated steam into electric energy, dividing condensed water generated by releasing heat energy of the saturated steam into two parts, one part being output as fresh water; step 4, heating the other part of condensed water, and converting the heat energy of the overheated steam into electric energy, then feeding spent steam to heat the saline water and distilling the descaled water at a high temperature. The system comprises a descaling device, a mixed heat exchanger, a residual heat generator and a thermal power generation device, and the working process of the system is accordance with the method. | 12-29-2016 |
| 20170234266 | WASTE HEAT RECOVERY POWER GENERATION SYSTEM AND FLOW CONTROL METHOD THEREOF | 08-17-2017 |
| 20190145286 | METHOD FOR THERMOELECTRIC ENERGY GENERATION | 05-16-2019 |
| 20220136415 | REFRIGERATION APPARATUS AND METHOD - Provided is an apparatus and method for transferring or exchanging thermal energy between two thermal reservoirs, for converting energy from thermal energy into another form of energy, or for converting energy from another form of energy into thermal energy. A body force per unit mass generating apparatus can be employed to modify a specific heat capacity of a working material. A work exchange apparatus, such as a compressor expander, can be employed to do work on the working material, or allow the working material to do work on the work exchange apparatus. | 05-05-2022 |
