| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 060649000 | Including mixing or separating materials of different chemical compositions in a motive fluid flow path | 27 |
| 20080289335 | Methods and Apparatus for Power Generation - A refrigeration apparatus ( | 11-27-2008 |
| 20090071155 | METHOD AND SYSTEM FOR THERMOCHEMICAL HEAT ENERGY STORAGE AND RECOVERY - Disclosed herein is a system for generating energy, comprising a first heat exchanger in thermal communication, fluid communication, or a combination of thermal and fluid communication with a first heat source; wherein the first heat exchanger contacts a transfer fluid that comprises a working fluid and an associating composition; and a first energy conversion device comprising a piston in reciprocatory communication with a cylinder; the cylinder comprising an inlet or an outlet valve in operative communication with a cam having multiple lobes; the cam permitting the expansion or compression of the working fluid in the cylinder two or more times in a single cycle. | 03-19-2009 |
| 20090165460 | Steam Circuit in a Power Station - The invention relates to a steam circuit in a power station, comprising at least one evaporator and at least one superheater, characterized in that a condensate collector and return line is provided between the superheater and the steam generator to trap condensate in the superheater and return the condensate to the evaporator | 07-02-2009 |
| 20090205336 | Method and Device for the Transfer of Heat from a Heat Source to a Therodynamic Cycle with a Working Meduim of at Least Two Substance with Non-Isothermal Evaporation and Condensation - The invention relates to a thermodynamic circuit with a working medium comprising at least two substances with non-isothermal evaporation and condensation whereby the working medium can decompose above a given temperature. According to the invention, the heat from heat sources at temperatures above the decomposition temperature of the working medium may be made useful with little complexity and with high operational security, whereby the heat from the heat source is transferred in a first step to a hot liquid circuit and, in a second step, from the hot liquid circuit to the circuit with the working medium comprising at least two substances with non-isothermal evaporation and condensation. The heat introduced to the circuit with the working medium comprising at least two substances with non-isothermal evaporation and condensation can be reduced by means of the intermediate hot liquid circuit, such that a decomposition of the working medium can be avoided. Furthermore, the circuit with the working medium comprising at least two substances with non-isothermal evaporation and condensation is embodied as a standardized solution for use with differing heat sources each at differing temperatures, whereby matching to the temperature of the heat source is achieved by means of the intermediate hot liquid circuit. | 08-20-2009 |
| 20090277175 | Sodium injection for advanced steam turbines - A novel, more sophisticated steam turbine design is proposed with reaction stages that have full admission, compounded by counter rotating axial blades, with impulse ignition utilizing sodium injection. | 11-12-2009 |
| 20100011767 | STEAM DRIVEN TURBINE DRIVE - A downhole arrangement including an outer housing, an inner housing disposed within the outer housing and defining with the outer housing a chamber, a turbine disposed within the chamber, and one or more nozzles disposed at the chamber capable of exhausting steam into the chamber. A method for moving a target fluid within a wellbore. | 01-21-2010 |
| 20100018206 | METHOD AND APPARATUS FOR INCORPORATING A LOW PRESSURE FLUID INTO A HIGH PRESSURE FLUID, AND INCREASING THE EFFICIENCY OF THE RANKINE CYCLE IN A POWER PLANT - A mixing device for incorporating a light gas at low pressure into a working fluid at a very high pressure includes a mixing section in the form of a truncated conical section between the an inlet and an outlet, a plurality of inlets for the light gas into the mixing section, and a plurality of passages through the truncated conical section into a cylindrical section leading to the outlet. | 01-28-2010 |
| 20100024423 | Osmotic Heat Engine - A method of converting thermal energy into mechanical work that uses a semi-permeable membrane to convert osmotic pressure into electrical power. A closed cycle pressure-retarded osmosis (PRO) process known as an osmotic heat engine (OHE) uses a concentrated ammonia-carbon dioxide draw solution to create high osmotic pressures which generate water flux through a semi-permeable membrane against a hydraulic pressure gradient. The depressurization of the increased draw solution volume in a turbine produces electrical power. The process is maintained in steady state operation through the separation of the diluted draw solution into a re-concentrated draw solution and deionized water working fluid, both for reuse in the osmotic heat engine. | 02-04-2010 |
| 20100058761 | FUEL GAS CONDITIONING SYSTEM - A feed gas conditioner. | 03-11-2010 |
| 20100146970 | Method and system for enhancing power output of renewable thermal cycle power plants - A steam reheat process is provided to enhance a thermal power cycle, and particularly a renewable steam thermal cycle. An oxyfuel combustion gas generator is provided which combusts a hydrogen and/or carbon containing fuel with an oxidizer of primarily oxygen to generate products of combustion including steam and/or carbon dioxide. Water from the thermal cycle is directed to the reheater for mixing with the products of combustion within the reheater to generate a working fluid containing steam. This steam is routed through a turbine or other expander and power is outputted from the system. The water is optionally thereafter condensed and at least partially routed back to the thermal cycle. Any carbon dioxide within the working fluid can be separated in a condenser downstream of the expander for capture of the carbon dioxide, such that increased power output for the thermal power cycle is achieved without atmospheric emissions. | 06-17-2010 |
| 20100212319 | Method and apparatus for generating power utilizing forward osmosis - A method and apparatus are described for generating power. A first liquid comprising brine from a seawater reverse osmosis desalination process is provided on one side of a semipermeable membrane. This liquid has an osmotic pressure greater than seawater. A second liquid having an osmotic pressure less than seawater is provided on a second side of the membrane. A hydraulic pressure is provided to the first liquid that is less than the osmotic pressure difference between the first liquid and the second liquid so that some of the second liquid flows through the membrane and combines with the first liquid at a lesser rate than would occur without the hydraulic pressure thereby increasing the potential energy in the combined first and second liquids. The combined first and second liquids are delivered to a turbine thereby converting the increased potential energy into useful mechanical energy. | 08-26-2010 |
| 20110048011 | STEAM TURBINE POWER PLANT AND OPERATING METHOD THEREOF - A steam turbine power plant | 03-03-2011 |
| 20110061385 | METHODS AND SYSTEMS FOR GENERATING POWER FROM A TURBINE USING PRESSURIZED NITROGEN - An air separation unit is integrated with a power generating plant to improve the efficiency of power generation. The methods and systems improve the efficiency of power generation by utilizing liquid nitrogen from the air separation unit as the working fluid in a turbine. The liquid nitrogen is pressurized while in the liquid state. After warming the pressurized nitrogen stream by cooling the air for the air separator unit, the compressed nitrogen is expanded in a turbine to perform work. After expansion, the nitrogen is vented to ambient air. The nitrogen in its pressurized state can be used for energy storage and/or for smoothing out power demand on a power grid. | 03-17-2011 |
| 20110120128 | METHOD OF CONTROLLING A POWER PLANT - The present invention relates to a method of controlling a power plant, which power plant comprises: a boiler being adapted for combusting an organic fuel and for generating steam and a process gas comprising carbon dioxide; a steam system being; and a carbon dioxide capture system being adapted to remove at least a portion of the carbon dioxide from the process gas by contacting a carbon dioxide absorbent solution with the process gas, the method comprising: forwarding a portion of the steam produced by the power plant boiler to a regenerator of the carbon dioxide capture system; regenerating the absorbent solution in said regenerator through heating of said carbon dioxide absorbent solution by means of the forwarded steam; and automatically controlling the operation of the carbon capture system by means of at least one automatic controller. The invention also relates to a power plant including a carbon dioxide capture system. | 05-26-2011 |
| 20110131994 | Economical and Sustainable Disposal of Zero Liquid Discharge Salt Byproduct - A method and apparatus are described for disposing of salt byproduct from a zero liquid operation, such as a zero liquid discharge desalination plant. The present method and apparatus concern a power generation plant, comprising a salinity gradient power unit (SGPU) comprising a high salinity feed, a low salinity feed, and a mixed water output. The high salinity feed is comprised of salt byproduct from a ZLD operation. The mixed water output empties into a body of water. | 06-09-2011 |
| 20110162365 | Thermodynamically Favorable Thermal Gradient-Generating Device - A thermal gradient device which utilizes a thermodynamically favorable physical process in order to spontaneously generate and maintain a temperature difference between two disjoint reservoirs of a volatile compound is disclosed. The device is powered by thermal energy either already within one of the reservoirs or which enters the reservoir from an external source. | 07-07-2011 |
| 20120096862 | PROCESS AND SYSTEM FOR THE CONVERSION OF THERMAL ENERGY FROM A STREAM OF HOT GAS INTO USEFUL ENERGY AND ELECTRICAL POWER - A new method, system and apparatus for power system utilizing flue gas streams and a multi-component working fluid is disclosed including a heat recovery vapor generator (HRVG) subsystem, a multi-stage energy conversion or turbine subsystem and a condensation thermal compression subsystem (CTCSS), where the CTCSS receives a single stream from the turbine subsystem and produces at least one fully condensed stream. | 04-26-2012 |
| 20120186252 | Method of Electricity Distribution Including Grid Energy Storage, Load Leveling, and Recirculating CO2 for Methane Production, and Electricity Generating System - A method is provided for generating and distributing electricity via an electrical grid, wherein a fossil fuel plant and a renewable energy electricity generating station are interconnected with the electrical grid and are both operable to generate electricity output. The electricity output is directed from both the fossil fuel plant and the renewable energy electricity generating station to the electrical grid for distribution. Then, at the fossil fuel plant, at least a portion of the electricity output is directed to within the plant and utilized in generating hydrogen. The method provides further a reacting step wherein the generated hydrogen reacts with carbon dioxide to produce methane. Continued operation of the fossil fuel plant is conducted utilizing the produced methane as fuel, to generate electricity output, and also, capturing carbon dioxide exhaust and utilizing it in the reacting step. | 07-26-2012 |
| 20120297772 | SYSTEMS AND METHODS FOR EFFICIENT TWO-PHASE HEAT TRANSFER IN COMPRESSED-AIR ENERGY STORAGE SYSTEMS - In various embodiments, foam is compressed to store energy and/or expanded to recover energy. | 11-29-2012 |
| 20130167534 | METHOD, HEAT ACCUMULATOR AND HEAT ACCUMULATOR SYSTEM FOR HEATING AND COOLING A WORKING FLUID - The invention relates to a method for heating and cooling a working fluid ( | 07-04-2013 |
| 20130174551 | HIGH GLIDING FLUID POWER GENERATION SYSTEM WITH FLUID COMPONENT SEPARATION AND MULTIPLE CONDENSERS - An example power generation system includes a vapor generator, a turbine, a separator and a pump. In the separator, the multiple components of the working fluid are separated from each other and sent to separate condensers. Each of the separate condensers is configured for condensing a single component of the working fluid. Once each of the components condense back into a liquid form they are recombined and exhausted to a pump that in turn drives the working fluid back to the vapor generator. | 07-11-2013 |
| 20130283796 | APPLYING OZONE NOx CONTROL TO AN HRSG FOR A FOSSIL FUEL TURBINE APPLICATION - A method for reducing NOx and recovering waste heat from a stream of exhaust gas from a fossil fuel fired turbine includes contacting the stream of exhaust gas between an economizer and an evaporator with ozone gas to convert the NO to nitrogen dioxide (NO | 10-31-2013 |
| 20140026573 | HYBRID THERMAL CYCLE WITH ENHANCED EFFICIENCY - A flow of first working fluid (F | 01-30-2014 |
| 20140165566 | Osmotic Heat Engine - A method of converting thermal energy into mechanical work that uses a semi-permeable membrane to convert osmotic pressure into electrical power. A closed cycle pressure-retarded osmosis (PRO) process known as an osmotic heat engine (OHE) uses a concentrated ammonia-carbon dioxide draw solution to create high osmotic pressures which generate water flux through a semi-permeable membrane against a hydraulic pressure gradient. The depressurization of the increased draw solution volume in a turbine produces electrical power. The process is maintained in steady state operation through the separation of the diluted draw solution into a re-concentrated draw solution and deionized water working fluid, both for reuse in the osmotic heat engine. | 06-19-2014 |
| 20140202156 | STEAM POWER PLANT WITH AN ADDITIONAL FLEXIBLE SOLAR SYSTEM FOR THE FLEXIBLE INTEGRATION OF SOLAR ENERGY - A thermal power plant is described comprising a solar collector field and a heat storage to allow the use of the thermal energy collected by the solar field with a time delay for the production of electricity in the steam power plant. | 07-24-2014 |
| 20150107250 | METHODS FOR PERIODIC REMOVAL OF CONTAMINATED WORKING FLUID FROM ORGANIC RANKINE CYCLE POWER SYSTEMS - An optimized Rankine thermodynamic cycle system and method include utilizing a working fluid including a base component and an effective amount of a lower boiling point component, where the effective amount is sufficient to raise a power utilization efficiency of the systems by up to 10%, without changing a weight of the fluid reducing turbine efficiency for the particular base component and for optimizing output control valves for adjusting the working fluid composition and temperature sensors measuring an initial temperature of a coolant medium and a final temperature of a heat source stream to computer control valves to continuously adjust a pressure and a flow rate of a working fluid stream to be vaporized so that a heat utilization of the system is about 99% increasing output by approximately 3% to 6% on a sustained and permanent yearly basis. | 04-23-2015 |
| 20160146058 | Method for Energy Saving - Method for coupling a first heat-requiring industrial process to a second cold-requiring industrial process, whereby a first circuit for energy recovery ( | 05-26-2016 |
