Flywheel system with parallel pumping arrangement

Details Flywheel system with parallel pumping arrangement Flywheel system with parallel pumping arrangement

2005-04-26

2005-04-26

Freay, Charles G. (Department: 3746)

Pumps

Electrical or getter type

Getter heating, vaporizing, or regeneration

C074S572200

Reexamination Certificate

active

06884039

ABSTRACT:
A flywheel energy storage system, including a plurality of pumps arranged in parallel for simultaneously drawing-off and absorbing substantially all of the gases that evolve from a flywheel assembly during high-speed operation, is disclosed. The plurality of pumps includes at least one pump for pumping mainly water vapor; and, at least one pump for pumping mainly active gases. The at least one pump for pumping mainly water vapor plurality of pumps is disposed in a gas storage chamber that is separate from the main housing of the flywheel system. The at least one pump for pumping mainly active gases is disposed in a container external to the main housing and fluidly coupled to the gas storage chamber. A drag pump assists the plurality of pumps in the gas storage chamber by pumping the evolved gases from the main housing to the gas storage chamber.

REFERENCES:
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patent: 5462402 (1995-10-01), Bakholdin et al.
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patent: 6175172 (2001-01-01), Bakholdin et al.
patent: 6241477 (2001-06-01), Brezoczky et al.
patent: 6347925 (2002-02-01), Woodard et al.
patent: 6585490 (2003-07-01), Gabrys et al.

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