Flywheel energy storage system with integral molecular pump

Details Flywheel energy storage system with integral molecular pump Flywheel energy storage system with integral molecular pump

1994-02-22

1995-10-31

Kwon, John T.

Rotary kinetic fluid motors or pumps

Smooth runner surface for working fluid frictional contact

F01D 136

Patent

active

054624029

ABSTRACT:
A flywheel assembly used for mobile energy storage incorporates a molecular pump and an internal chamber containing molecular sieves. The molecular pump shares the shaft, bearings, and motor of the flywheel rotor, and maintains the high vacuum desired in the vicinity of the flywheel rotor. The gases which evolve from the rotor during its operational life are pumped into the chamber containing the molecular sieves where they are adsorbed.

REFERENCES:
patent: 3993920 (1976-11-01), Sato
patent: 4850244 (1989-07-01), Eckel et al.
patent: 4946345 (1990-08-01), Watanabe et al.

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