Wind turbine tower for storing hydrogen and energy

Details Wind turbine tower for storing hydrogen and energy Wind turbine tower for storing hydrogen and energy

2004-09-29

2008-12-30

Ponomarenko, Nicholas (Department: 2834)

Prime-mover dynamo plants

Fluid-current motors

Wind

C290S054000, C290S053000, C290S043000, C290S044000, C290S00400D

Reexamination Certificate

active

07471010

ABSTRACT:
A wind turbine tower assembly for storing compressed gas such as hydrogen. The tower assembly includes a wind turbine having a rotor, a generator driven by the rotor, and a nacelle housing the generator. The tower assembly includes a foundation and a tubular tower with one end mounted to the foundation and another end attached to the nacelle. The tower includes an in-tower storage configured for storing a pressurized gas and defined at least in part by inner surfaces of the tower wall. In one embodiment, the tower wall is steel and has a circular cross section. The in-tower storage may be defined by first and second end caps welded to the inner surface of the tower wall or by an end cap near the top of the tower and by a sealing element attached to the tower wall adjacent the foundation, with the sealing element abutting the foundation.

REFERENCES:
patent: 4311011 (1982-01-01), Lewis
patent: 4462213 (1984-07-01), Lewis
patent: 7156037 (2007-01-01), Borgen
patent: 7224080 (2007-05-01), Smedstad
patent: 7230348 (2007-06-01), Poole
patent: 7245039 (2007-07-01), DuHamel
patent: 2002 2426 (2003-05-01), None
Kottenstette, R. and Cotrell, J., “Hydrogen Storage in Wind Turbine Towers: Design Considerations” NREL/CP-500-34759, WindPower 2004 Conf., Mar. 28-31, 2004.

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