Power plants – Pressure fluid source and motor – With control means for structure storing work driving energy
Reexamination Certificate
2010-02-05
2011-10-18
Lazo, Thomas E (Department: 3745)
Power plants
Pressure fluid source and motor
With control means for structure storing work driving energy
C060S417000
Reexamination Certificate
active
08037679
ABSTRACT:
A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.
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Berlin, Jr. Edwin P.
Crane Stephen E.
Fong Danielle A.
Lazo Thomas E
LightSail Energy, Inc.
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