Patent
Staged expansion system as employed with an integral turbo-compressor wave engine
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TLDR
In this article, the authors present a system for expanding high pressure gases from the chambers of a moving rotor and reentering them into the rotor in such a way that the gases in the rotor chambers of the moving rotor have been subjected to more expansions than the gases reentered the chambers and therefore are at a lower pressure than the gas re-entering the chambers.Abstract:
The Present system provides for expanding high pressure gases from the chambers of a moving rotor and reentering said gases into the chambers of said moving rotor in such a way that the gases in the chambers of said moving rotor have been subjected to more expansions than the gases reentering the chambers and therefore are at a lower pressure than the gases reentering said chambers.read more
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Patent
Systems and methods for energy storage and recovery using compressed gas
TL;DR: In this article, the authors describe 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 with at least two intensifiers 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.
Patent
Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression
Troy O. McBride,Benjamin R. Bollinger,Michael G. Izenson,Weibo Chen,Patrick Magari,Benjamin Cameron,Robert Cook,Horst Richter +7 more
TL;DR: In this paper, the authors describe a system 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 circuits.
Patent
Compressor and/or expander device
TL;DR: In this article, the authors describe a hydraulically actuated device/system for the compression and/or expansion of gas, which can include a pressure vessel defining an interior region for retaining at least one volume of liquid or a volume of gas and an actuator coupled to and in fluid communication with the pressure vessel.
Patent
Systems and methods for combined thermal and compressed gas energy conversion systems
Troy O. McBride,Benjamin R. Bollinger,Michael G. Izenson,Weibo Chen,Patrick Magari,Benjamin Cameron +5 more
TL;DR: In this article, 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 system and the source of thermal energy.
Patent
System and method for rapid isothermal gas expansion and compression for energy storage
TL;DR: In this article, the authors describe a staged hydraulic-pneumatic energy conversion system with a gas chamber and a fluid chamber, and a piston or other mechanism that separates the gas and fluid chambers while allowing the transfer of force/pressure between opposing chambers.
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