Energy storage and conversion devices

Details Energy storage and conversion devices Energy storage and conversion devices

1997-08-29

1998-06-02

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 310 905, 310153, 74572, H02K 702

Patent

active

057605084

ABSTRACT:
An energy conversion and storage device (1) which comprises a magnetic rotor (5) and a stator (7) comprising one or more electric coils whereby electrical energy may be applied to and extracted from the device (1) when the rotor (5) is rotating relative to the stator (7) and means (13, 14, 15, 17) for electromagnetically suspending the rotor (5) whilst rotating relative to the stator (7), wherein the rotor (5) comprises a tubular body portion formed of a composite of fiber reinforced material and magnetic material emnbedded within the fiber reinforced material and the stator (7) is disposed inside the rotor (5) co-axially with the rotor (5) and extends along at least a major part of the length of the said body portion of the rotor (5).

REFERENCES:
patent: 3868520 (1975-02-01), Curtris et al.
patent: 4150582 (1979-04-01), Brobeck
patent: 4444444 (1984-04-01), Benedetti et al.
patent: 4631456 (1986-12-01), Drescher et al.
patent: 4700094 (1987-10-01), Downer et al.
patent: 4870310 (1989-09-01), Triplett
patent: 5124605 (1992-06-01), Bitterly et al.
Derwent Abstract Livshits et al 80-H5419c/35 (SU 2631341).
Proceedings of the 26th Intersociety Energy Conversion Engineerigh Conference, vol. 4, Aug. 4-9, 1991.

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