Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2007-10-05
2009-10-27
Le, Dang D (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C310S209000
Reexamination Certificate
active
07608962
ABSTRACT:
Electrical machine, having a stator which bears a winding and having a rotatable rotor, situated at a distance from the stator via an air gap, which includes at least two coaxial rotor sections which are rotatable relative to one another, in which each rotor section bears a system of permanent magnets having polarities which alternately point outward radially, and having an actuating device for rotating the rotor sections relative to one another, the actuating device having a controllable actuator via which the rotor sections may be aligned with one another with a variable rotary offset which is independent of a rotational speed of the rotor. In a method for setting the field and armature of a permanently energized electrical machine for motor vehicles, the rotational speed range of the electrical machine is divided into an armature-setting range, and a freely preselected field suppression is associated with a particular rotational speed of the rotor.
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International Search Report dated May 29, 2006 with an English translation of the pertinent portions (Six (6) pages).
German Search Report dated Jun. 2, 2006 with an English translation of the pertinent portions (Nine (9) pages).
Bayerische Motoren Werke Aktiengesellschaft
Crowell & Moring LLP
Le Dang D
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