EP 0023221 A1 19810204 - DIRECT CURRENT MOTOR WITHOUT COLLECTOR.
Title (en)
DIRECT CURRENT MOTOR WITHOUT COLLECTOR.
Title (de)
KOLLEKTORLOSER GLEICHSTROMMOTOR.
Title (fr)
MOTEUR A COURANT CONTINU SANS COLLECTEUR.
Publication
Application
Priority
DE 2901676 A 19790117
Abstract (en)
[origin: WO8001525A1] In a direct current motor without collector provided with a permanent magnet rotor (11), a magnetisation of the rotoric poles (N, S) is used which differs considerably from the sinusoidal form. In addition to the main winding (35-47) used for driving the motor, the stator is further provided with a detection winding (80) arranged so as to detect a harmonic of the voltage induced in the stator by the rotoric poles (11), for example the second harmonic. The detection winding (80) is preferably wound in the same statoric notches as the main winding, and to avoid an inductive coupling between the main winding (35-47) and the detection winding (80), a predetermined space phase shift is maintained between these two windings.
Abstract (fr)
Dans un moteur a courant continu sans collecteur pourvu d'un rotor (11) a aimants permanents, on utilise une magnetisation des poles rotoriques (N, S) qui differe fortement de la forme sinusoidale. En plus de l'enroulement principal (35-47) qui sert a l'entrainement du moteur, le stator est en outre muni d'un enroulement de detection (80) agence de maniere a capter une harmonique de la tension induite dans le stator par les poles rotoriques (11), par exemple la deuxieme harmonique. L'enroulement de detection (80) est avantageusement bobine dans les memes encoches statoriques que l'enroulement principal, et la pour eviter un couplage inductif entre l'enroulement principal (35-47) et l'enroulement de detection (80), un dephasage spatial determine est maintenu entre ces deux enroulements.
IPC 1-7
IPC 8 full level
H02K 29/00 (2006.01); H02K 29/08 (2006.01); H02K 29/12 (2006.01)
CPC (source: EP US)
H02K 29/08 (2013.01 - EP US); H02K 29/12 (2013.01 - EP US)
Designated contracting state (EPC)
FR
DOCDB simple family (publication)
WO 8001525 A1 19800724; DE 2901676 A1 19800814; DE 3011241 D2 19801218; EP 0023221 A1 19810204; GB 2051498 A 19810114; GB 2051498 B 19830518; HK 5985 A 19850125; JP S56500077 A 19810122; US 4481440 A 19841106
DOCDB simple family (application)
EP 8000001 W 19800116; DE 2901676 A 19790117; DE 3011241 T 19800116; EP 80900299 A 19800729; GB 8029156 A 19800116; HK 5985 A 19850117; JP 50039480 A 19800116; US 48126883 A 19830404