Electric motor having a permanent magnet rotor and a stator...

Details Electric motor having a permanent magnet rotor and a stator... Electric motor having a permanent magnet rotor and a stator...

2008-05-20

2008-05-20

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216006

Reexamination Certificate

active

07375451

ABSTRACT:
Electric motor (1) comprising a stator (2), a magnetic induction core (3) constrained to said stator, at least one magnetic excitation coil (4a,4b) associated to said induction core, a rotor (5) of substantially cylindrical shape comprising at least one permanent magnet adapted to form on said rotor at least two magnetic poles of opposite polarity, said core and said coils being adapted to form at least two magnetic induction poles of opposite polarity on said stator core of contiguous poles united in a single body.

REFERENCES:
patent: 2831154 (1958-04-01), Dudenhausen
patent: 5038064 (1991-08-01), Fiorenza
patent: 5327032 (1994-07-01), Esswein
patent: 6204584 (2001-03-01), Muszynski
patent: 6750584 (2004-06-01), Smith
patent: 2002/0158535 (2002-10-01), Maul
patent: 2004/0207279 (2004-10-01), Godfrey
patent: 0 342 733 (1989-11-01), None
patent: 0 676 853 (1995-10-01), None
patent: 0 892 490 (1999-01-01), None

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