Electromechanical transducer particularly suitable for a linear

Details Electromechanical transducer particularly suitable for a linear Electromechanical transducer particularly suitable for a linear

1985-04-04

1986-11-18

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

310 12, 310 30, H02K 3300

Patent

active

046238085

ABSTRACT:
An electromechanical transducer particularly useful as a linear alternator driven by a free-piston Stirling engine is disclosed. A relatively high permeability material is formed into a flux loop having at least two pairs of spaced gaps formed transversely through the loop. Each pair of gaps is aligned along a reciprocation path for a magnet which is mechanically mounted for reciprocation between alternate positions within the gaps of each pair. The magnets have a magnetization vector transverse to the reciprocation path and are drivingly linked to a mechanical energy input or output for operation respectively as an alternator or motor. The armature coil is wound around a portion of the flux loop.

REFERENCES:
patent: 3470408 (1969-09-01), Lewis et al.
patent: 4346318 (1982-08-01), Shtrikman
patent: 4349757 (1982-09-01), Bhate
patent: 4454426 (1984-06-01), Benson

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