Hybrid synchronous machine with transverse magnetic flux

Details Hybrid synchronous machine with transverse magnetic flux Hybrid synchronous machine with transverse magnetic flux

1992-11-23

1998-01-27

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, 310269, H02L 3712

Patent

active

057125210

ABSTRACT:
A hybrid synchronous machine with transverse magnetic flux, whose structure provides smaller ohmic losses and a higher efficiency than in conventional motors with high torque per machine weight. Each phase of the hybrid synchronous machine with transverse magnetic flux according to the invention is fitted with two rings of ferromagnetic material which are cogged on the circumference on both sides, between which a magnetized disk is inserted transversally to the direction of the stator winding, and the assembly thus formed is fixed to the rotor armature with the cogged rings being axially shifted between each other. The described structure of the hybrid synchronous machine with transverse magnetic flux solves the technical problem of high density of transverse magnetic field in the air gap, and also effectively solves the problem of installing permanent rotor magnets by means of a magnetized disk instead of individual inserted magnets.

REFERENCES:
patent: 3206623 (1965-09-01), Snowdon
patent: 3469131 (1969-09-01), Stellwagen
patent: 3614496 (1971-10-01), Scheithart
patent: 3777196 (1973-12-01), Field, II
patent: 4629924 (1986-12-01), Grosjean
patent: 4672247 (1987-06-01), Madser
patent: 4737201 (1988-04-01), Brigham
patent: 4782259 (1988-11-01), Shikama
patent: 4920294 (1990-04-01), Christiaens
patent: 5128570 (1992-07-01), Isozaki
H. Weh, H. May, M. Shalaby; "Highly Effective Magnetic Circuits for Permanent Magnet Excited Synchronous Machines"; Int. Conference on El. Machines, Cambridge, MA.; 13-15 Aug. 1990; pp. 1040-1045.

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