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S mall B usiness I nnovation R esearch. Shaftless, Magnetically Levitated Flywheel Energy Storage Systems MagneMotion, Inc. Acton MA. Ceramic core. Rotor. INNOVATION

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shaftless magnetically levitated flywheel energy storage systems magnemotion inc acton ma

Small

Business

Innovation

Research

Shaftless, Magnetically Levitated Flywheel Energy Storage SystemsMagneMotion, Inc.Acton MA

Ceramic core

Rotor

  • INNOVATION

A maglev flywheel with a shaftless carbon fiber rotor that requires only one axis of active control. The shaftless design eliminates resonances over a wide operating speed range, so the flywheel is usable for both energy storage and attitude control.

      • ACCOMPLISHMENTS
  • Burst tested to 79,500 RPM.
    • 32% higher than design speed.
  • Rotor / System tested to 36,000 RPM.
    • Flywheel was very stable.
    • Bearing losses need to be examined in greater detail.

COMMERCIALIZATION

  • Linear synchronous motors and maglev are the core of MagneMotion's business.
  • Applications in that arena include providing high peak power for short periods of time, something that is hard to do with batteries.

Magnetic bearing

Motor/generator

    • GOVERNMENT/SCIENCE APPLICATIONS
  • When used for both energy storage and attitude control the system has the potential to be lighter, more efficient and with a longer life expectance than is possible with conventional alternatives.
  • Results are promising but further development is required to create a mission-ready design.
  • MagneMotion is in negotiation with established energy storage company to team for continuation.

Goddard Space Flight Center

Points of Contact:

NASA – Bob Beaman (301) 286-2538

MagneMotion – Richard D. Thornton (978) 461-5090

1997 Phase II, SS5- 060