Patent application number | Description | Published |
20110056368 | ENERGY STORAGE AND GENERATION SYSTEMS AND METHODS USING COUPLED CYLINDER ASSEMBLIES - In various embodiments, pneumatic cylinder assemblies are coupled in series pneumatically, thereby reducing a range of force produced by or acting on the pneumatic cylinder assemblies during expansion or compression of a gas. | 03-10-2011 |
20110079010 | SYSTEMS AND METHODS FOR COMBINED THERMAL AND COMPRESSED GAS ENERGY CONVERSION SYSTEMS - The invention relates to systems and methods including an energy conversion system for storage and recovery of energy using compressed gas, a source of recovered thermal energy, and a heat-exchange subsystem in fluid communication with the energy conversion system and the source of recovered thermal energy. | 04-07-2011 |
20110083438 | SYSTEMS AND METHODS FOR COMBINED THERMAL AND COMPRESSED GAS ENERGY CONVERSION SYSTEMS - The invention relates to systems and methods including an energy conversion system for storage and recovery of energy using compressed gas, a source of recovered thermal energy, and a heat-exchange subsystem in fluid communication with the energy conversion system and the source of recovered thermal energy. | 04-14-2011 |
20110167813 | SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING RAPID ISOTHERMAL GAS EXPANSION AND COMPRESSION - The invention relates to systems and methods for rapidly and isothermally expanding and compressing gas in energy storage and recovery systems that use open-air hydraulic-pneumatic cylinder assemblies, such as an accumulator and an intensifier in communication with a high-pressure gas storage reservoir on a gas-side of the circuits and a combination fluid motor/pump, coupled to a combination electric generator/motor on the fluid side of the circuits. The systems use heat transfer subsystems in communication with at least one of the cylinder assemblies or reservoir to thermally condition the gas being expanded or compressed. | 07-14-2011 |
20110219760 | SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS - The invention relates to methods and systems for the storage and recovery of energy using open-air hydraulic-pneumatic accumulator and intensifier arrangements that combine at least one accumulator and at least one intensifier in communication with a high-pressure gas storage reservoir on a gas-side of the circuits and a combination fluid motor/pump, coupled to a combination electric generator/motor on the fluid side of the circuits. | 09-15-2011 |
20110219763 | SYSTEMS AND METHODS FOR EFFICIENT PUMPING OF HIGH-PRESSURE FLUIDS FOR ENERGY STORAGE AND RECOVERY - In various embodiments, a mechanical assembly and/or storage vessel is fluidly coupled to a circulation apparatus for receiving pressurized heat-transfer fluid from an outlet at a first elevated pressure, boosting a pressure of the heat-transfer fluid to a second pressure larger than the first pressure, and returning heat-transfer fluid to an inlet at a third pressure. | 09-15-2011 |
20110232281 | SYSTEMS AND METHODS FOR COMBINED THERMAL AND COMPRESSED GAS ENERGY CONVERSION SYSTEMS - The invention relates to systems and methods including an energy conversion system for storage and recovery of energy using compressed gas, a source of recovered thermal energy, and a heat-exchange subsystem in fluid communication with the energy conversion system and the source of recovered thermal energy. | 09-29-2011 |
20110252777 | SYSTEMS AND METHODS FOR IMPROVING DRIVETRAIN EFFICIENCY FOR COMPRESSED GAS ENERGY STORAGE - Generally, the invention relates to power generation and energy storage. In particular, to systems and methods for providing constant power from hydraulic inputs having widely-varying pressures. More particularly, the invention relates to hydraulic-pneumatic energy storage and recovery systems that include either a fixed or variable displacement hydraulic motor and control systems that allow a user to maintain constant power from the fixed or variable displacement hydraulic motor. | 10-20-2011 |
20110259001 | FORMING LIQUID SPRAYS IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS FOR EFFECTIVE HEAT EXCHANGE - In various embodiments, efficiency of energy storage and recovery systems compressing and expanding gas is improved via heat exchange between the gas and a heat-transfer fluid. | 10-27-2011 |
20110259442 | INCREASED POWER IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY - In various embodiments, energy is stored or recovered via super-atmospheric compression and/or expansion of gas in conjunction with substantially adiabatic compression and/or expansion from or to atmospheric pressure. | 10-27-2011 |
20110266810 | SYSTEMS AND METHODS FOR COMPRESSED-GAS ENERGY STORAGE USING COUPLED CYLINDER ASSEMBLIES - In various embodiments, a pneumatic cylinder assembly is coupled to a mechanism that converts motion of a piston into electricity, and vice versa, during expansion or compression of a gas in the pneumatic cylinder assembly. | 11-03-2011 |
20110283690 | HEAT EXCHANGE WITH COMPRESSED GAS IN ENERGY-STORAGE SYSTEMS - In various embodiments, compressed-gas energy storage and recovery systems include a cylinder assembly for compression and/or expansion of gas, a reservoir for storage and/or supply of compressed gas, and a system for thermally conditioning gas within the reservoir. | 11-24-2011 |
20110296821 | IMPROVING EFFICIENCY OF LIQUID HEAT EXCHANGE IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS - In various embodiments, efficiency of energy storage and recovery systems employing compressed air and liquid heat exchange is improved via control of the system operation and/or the properties of the heat-exchange liquid. | 12-08-2011 |
20110296822 | EFFICIENCY OF LIQUID HEAT EXCHANGE IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS - In various embodiments, efficiency of energy storage and recovery systems employing compressed air and liquid heat exchange is improved via control of the system operation and/or the properties of the heat-exchange liquid. | 12-08-2011 |
20110296823 | SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING GAS EXPANSION AND COMPRESSION - In various embodiments, energy-storage systems are based upon an open-air arrangement in which pressurized gas is expanded in small batches from a high pressure of, e.g., several hundred atmospheres to atmospheric pressure. The systems may be sized and operated at a rate that allows for near isothermal expansion and compression of the gas. | 12-08-2011 |
20110314803 | FORMING LIQUID SPRAYS IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS FOR EFFECTIVE HEAT EXCHANGE - In various embodiments, efficiency of energy storage and recovery systems compressing and expanding gas is improved via heat exchange between the gas and a heat-transfer fluid. | 12-29-2011 |
20110314810 | ENERGY STORAGE AND RECOVERY UTILIZING LOW-PRESSURE THERMAL CONDITIONING FOR HEAT EXCHANGE WITH HIGH-PRESSURE GAS - In various embodiments, gas is compressed to store energy and/or expanded to recover energy to or from high pressures, and the gas is exchanges heat with a heat-exchange fluid that is thermally conditioned at low pressures. | 12-29-2011 |
20110315255 | SYSTEMS AND METHODS FOR REDUCING DEAD VOLUME IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS - In various embodiments, dead space and associated coupling losses are reduced in energy storage and recovery systems employing compressed air. | 12-29-2011 |
20120000557 | SYSTEMS AND METHODS FOR REDUCING DEAD VOLUME IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS - In various embodiments, dead space and associated coupling losses are reduced in energy storage and recovery systems employing compressed air. | 01-05-2012 |
20120006013 | HIGH-EFFICIENCY ENERGY-CONVERSION BASED ON FLUID EXPANSION AND COMPRESSION - In various embodiments, motor-pump efficiency is increased by limiting the fluid pressure communicated to the motor-pump to a range smaller than that communicated by other components of an energy storage and/or recovery system. | 01-12-2012 |
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 |
20120085086 | FLUID-FLOW CONTROL IN ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, compressed-gas energy storage and recovery systems feature one or more valves, which may be disposed within end caps of cylinder assemblies in which gas is expanded and/or compressed, for admitting fluid to and/or exhausting fluid from the cylinder assembly. | 04-12-2012 |
20120119513 | Energy storage and generation systems and methods using coupled cylinder assemblies - In various embodiments, cylinder assemblies are coupled in series pneumatically, thereby reducing a range of force produced by or acting on the cylinder assemblies during expansion or compression of a gas. | 05-17-2012 |
20120137668 | INCREASED POWER IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY - In various embodiments, energy is stored or recovered via super-atmospheric compression and/or expansion of gas in conjunction with substantially adiabatic compression and/or expansion from or to atmospheric pressure. | 06-07-2012 |
20120210705 | SYSTEMS AND METHODS FOR REDUCING DEAD VOLUME IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS - In various embodiments, dead space and associated coupling losses are reduced in energy storage and recovery systems employing compressed air. | 08-23-2012 |
20120279209 | SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS - The invention relates to methods and systems for the storage and recovery of energy using open-air hydraulic-pneumatic accumulator and intensifier arrangements that combine at least one accumulator and at least one intensifier in communication with a high-pressure gas storage reservoir on a gas-side of the circuits and a combination fluid motor/pump, coupled to a combination electric generator/motor on the fluid side of the circuits. | 11-08-2012 |
20120285154 | EFFICIENCY OF LIQUID HEAT EXCHANGE IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS - In various embodiments, efficiency of energy storage and recovery systems employing compressed air and liquid heat exchange is improved via control of the system operation and/or the properties of the heat-exchange liquid. | 11-15-2012 |
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 |
20120297776 | HEAT EXCHANGE WITH COMPRESSED GAS IN ENERGY-STORAGE SYSTEMS - In various embodiments, compressed-gas energy storage and recovery systems include a cylinder assembly for compression and/or expansion of gas, a reservoir for storage and/or supply of compressed gas, and a system for thermally conditioning gas within the reservoir. | 11-29-2012 |
20120299310 | SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING RAPID ISOTHERMAL GAS EXPANSION AND COMPRESSION - The invention relates to systems and methods for rapidly and isothermally expanding and compressing gas in energy storage and recovery systems that use open-air hydraulic-pneumatic cylinder assemblies, such as an accumulator and an intensifier in communication with a high-pressure gas storage reservoir on a gas-side of the circuits and a combination fluid motor/pump, coupled to a combination electric generator/motor on the fluid side of the circuits. The systems use heat transfer subsystems in communication with at least one of the cylinder assemblies or reservoir to thermally condition the gas being expanded or compressed. | 11-29-2012 |
20130074485 | SYSTEMS AND METHODS FOR FOAM-BASED HEAT EXCHANGE DURING ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS - In various embodiments, foam is compressed to store energy and/or expanded to recover energy. | 03-28-2013 |
20130074488 | SYSTEMS AND METHODS FOR FOAM-BASED HEAT EXCHANGE DURING ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS - In various embodiments, foam is compressed to store energy and/or expanded to recover energy. | 03-28-2013 |
20130074940 | SYSTEMS AND METHODS FOR FOAM-BASED HEAT EXCHANGE DURING ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS - In various embodiments, foam is compressed to store energy and/or expanded to recover energy. | 03-28-2013 |
20130074941 | SYSTEMS AND METHODS FOR FOAM-BASED HEAT EXCHANGE DURING ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS - In various embodiments, foam is compressed to store energy and/or expanded to recover energy. | 03-28-2013 |
20130074949 | SYSTEMS AND METHODS FOR FOAM-BASED HEAT EXCHANGE DURING ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS - In various embodiments, foam is compressed to store energy and/or expanded to recover energy. | 03-28-2013 |
20130091834 | DEAD-VOLUME MANAGEMENT IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via valve-timing control. | 04-18-2013 |
20130091835 | DEAD-VOLUME MANAGEMENT IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via valve-timing control. | 04-18-2013 |
20130091836 | DEAD-VOLUME MANAGEMENT IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via valve-timing control. | 04-18-2013 |
20130139500 | DEAD-VOLUME MANAGEMENT IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via valve-timing control. | 06-06-2013 |
20130145764 | SYSTEMS AND METHODS FOR EFFICIENT TWO-PHASE HEAT TRANSFERIN COMPRESSED-AIR ENERGY STORAGE SYSTEMS - In various embodiments, foam is compressed to store energy and/or expanded to recover energy. | 06-13-2013 |
20130152568 | VALVE ACTIVATION IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, valve efficiency and reliability are enhanced via use of hydraulic or magnetic valve actuation, valves configured for increased actuation speed, and/or valves controlled to reduce collision forces during actuation. | 06-20-2013 |
20130152571 | VALVE ACTIVATION IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, valve efficiency and reliability are enhanced via use of hydraulic or magnetic valve actuation, valves configured for increased actuation speed, and/or valves controlled to reduce collision forces during actuation. | 06-20-2013 |
20130152572 | VALVE ACTIVATION IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, valve efficiency and reliability are enhanced via use of hydraulic or magnetic valve actuation, valves configured for increased actuation speed, and/or valves controlled to reduce collision forces during actuation. | 06-20-2013 |
20130160437 | SYSTEMS AND METHODS FOR EFFICIENT PUMPING OF HIGH-PRESSURE FLUIDS FOR ENERGY STORAGE AND RECOVERY - In various embodiments, a mechanical assembly and/or storage vessel is fluidly coupled to a circulation apparatus for receiving pressurized heat-transfer fluid from an outlet at a first elevated pressure, boosting a pressure of the heat-transfer fluid to a second pressure larger than the first pressure, and returning heat-transfer fluid to an inlet at a third pressure. | 06-27-2013 |
20130192226 | Cavity Receivers for Parabolic Solar Troughs - A tubular heat-absorbing element partly enclosed in an insulating layer or jacket, has absorbing surface that is accessible to solar radiation. The thermal insulation is designed to provide entry to solar radiation by way of a cavity. The absorbing surface can be substantially planar. | 08-01-2013 |
20130213387 | Cavity Receivers for Parabolic Solar Troughs - A tubular heat-absorbing element partly enclosed in an insulating layer or jacket, has absorbing surface that is accessible to solar radiation. The thermal insulation is designed to provide entry to solar radiation by way of a cavity. The absorbing surface can be substantially planar. | 08-22-2013 |
20130220307 | Cavity Receivers for Parabolic Solar Troughs - A tubular heat-absorbing element partly enclosed in an insulating layer or jacket, has absorbing surface that is accessible to solar radiation. The thermal insulation is designed to provide entry to solar radiation by way of a cavity. The absorbing surface can be substantially planar. | 08-29-2013 |
20130220312 | Cavity Receivers for Parabolic Solar Troughs - A tubular heat-absorbing element partly enclosed in an insulating layer or jacket, has absorbing surface that is accessible to solar radiation. The thermal insulation is designed to provide entry to solar radiation by way of a cavity. The absorbing surface can be substantially planar. | 08-29-2013 |
20130269330 | SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING GAS EXPANSION AND COMPRESSION - In various embodiments, energy-storage systems are based upon an open-air arrangement in which pressurized gas is expanded in small batches from a high pressure of, e.g., several hundred atmospheres to atmospheric pressure. The systems may be sized and operated at a rate that allows for near isothermal expansion and compression of the gas. | 10-17-2013 |
20130276775 | Cavity Receivers for Parabolic Solar Troughs - A tubular heat-absorbing element partly enclosed in an insulating layer or jacket, has absorbing surface that is accessible to solar radiation. The thermal insulation is designed to provide entry to solar radiation by way of a cavity. The absorbing surface can be substantially planar. | 10-24-2013 |
20130298760 | SYSTEMS AND METHODS FOR REDUCING DEAD VOLUME IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS - In various embodiments, dead space and associated coupling losses are reduced in energy storage and recovery systems employing compressed air. | 11-14-2013 |
20130312417 | INCREASED POWER IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY - In various embodiments, energy is stored or recovered via super-atmospheric compression and/or expansion of gas in conjunction with substantially adiabatic compression and/or expansion from or to atmospheric pressure. | 11-28-2013 |
20130327029 | ENERGY STORAGE AND GENERATION SYSTEMS AND METHODS USING COUPLED CYLINDER ASSEMBLIES - In various embodiments, cylinder assemblies are coupled in series pneumatically, thereby reducing a range of force produced by or acting on the cylinder assemblies during expansion or compression of a gas. | 12-12-2013 |
20130327033 | FORMING LIQUID SPRAYS IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS FOR EFFECTIVE HEAT EXCHANGE - In various embodiments, efficiency of energy storage and recovery systems compressing and expanding gas is improved via heat exchange between the gas and a heat-transfer fluid. | 12-12-2013 |
20130336721 | FLUID STORAGE IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, lined underground reservoirs and/or insulated pipeline vessels are utilized for storage of compressed fluid in conjunction with energy storage and recovery systems. | 12-19-2013 |
20140000251 | SYSTEMS AND METHODS FOR EFFICIENT TWO-PHASE HEAT TRANSFER IN COMPRESSED-AIR ENERGY STORAGE SYSTEMS | 01-02-2014 |
20140013735 | FLUID STORAGE IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, lined underground reservoirs and/or insulated pipeline vessels are utilized for storage of compressed fluid in conjunction with energy storage and recovery systems. | 01-16-2014 |
20140020372 | INCREASED POWER IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY - In various embodiments, energy is stored or recovered via super-atmospheric compression and/or expansion of gas in conjunction with substantially adiabatic compression and/or expansion from or to atmospheric pressure. | 01-23-2014 |
20140047825 | SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING COMPRESSED GAS - The invention relates to methods and systems for the storage and recovery of energy using open-air hydraulic-pneumatic accumulator and intensifier arrangements that combine at least one accumulator and at least one intensifier in communication with a high-pressure gas storage reservoir on a gas-side of the circuits and a combination fluid motor/pump, coupled to a combination electric generator/motor on the fluid side of the circuits. | 02-20-2014 |
20140047826 | FLUID-FLOW CONTROL IN ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, compressed-gas energy storage and recovery systems feature one or more valves, which may be disposed within end caps of cylinder assemblies in which gas is expanded and/or compressed, for admitting fluid to and/or exhausting fluid from the cylinder assembly. | 02-20-2014 |
20140060027 | SYSTEMS AND METHODS FOR REDUCING DEAD VOLUME IN COMPRESSED-GAS ENERGY STORAGE SYSTEMS - In various embodiments, dead space and associated coupling losses are reduced in energy storage and recovery systems employing compressed air. | 03-06-2014 |
20140130490 | DEAD-VOLUME MANAGEMENT IN COMPRESSED-GAS ENERGY STORAGE AND RECOVERY SYSTEMS - In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via valve-timing control. | 05-15-2014 |
20140234123 | SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING RAPID ISOTHERMAL GAS EXPANSION AND COMPRESSION - The invention relates to systems and methods for rapidly and isothermally expanding and compressing gas in energy storage and recovery systems that use open-air hydraulic-pneumatic cylinder assemblies, such as an accumulator and an intensifier in communication with a high-pressure gas storage reservoir on a gas-side of the circuits and a combination fluid motor/pump, coupled to a combination electric generator/motor on the fluid side of the circuits. The systems use heat transfer subsystems in communication with at least one of the cylinder assemblies or reservoir to thermally condition the gas being expanded or compressed. | 08-21-2014 |