Flywheel storage system with improved magnetic bearings

Details Flywheel storage system with improved magnetic bearings Flywheel storage system with improved magnetic bearings

1993-08-13

1995-03-21

Marmor, Charles A.

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

310 905, 318632, H02K 702, H02K 709

Patent

active

053985710

ABSTRACT:
A stationary flywheel energy storage system mounted to rotate in a horizontal orientation. The system includes a motor/generator wherein the rotor is positioned externally of the stator. Magnetic bearings suspend the rotor at each end thereof. Each magnetic bearing comprises a single principal actuator which supports 80% to 99% of the gravity load at that end of the rotor. Additional minor actuators, are provided to suspend the remaining portion of the load, and to compensate for dynamic unbalances.

REFERENCES:
patent: 4617507 (1986-10-01), Eisenhaure et al.
patent: 4629947 (1986-12-01), Hammerslag et al.
patent: 5179308 (1993-01-01), Malsky
patent: 5216308 (1993-06-01), Meeks

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