EP 0631685 A1 19950104 - ELECTRONIC CANCELLATION OF D.C. MOTOR NOISE.
Title (en)
ELECTRONIC CANCELLATION OF D.C. MOTOR NOISE.
Title (de)
ELEKTRONISCHER UNTERDRÜCKUNG VON DC-MOTORLÄRM.
Title (fr)
SUPPRESSION ELECTRONIQUE DU BRUIT D'UN MOTEUR A COURANT CONTINU.
Publication
Application
Priority
US 9202073 W 19920319
Abstract (en)
[origin: WO9319458A1] An active attenuation system for a DC motor (11) which yields global vibration reduction of slot or other motor induced tonals at the plate on which the motor is mounted without modifying the construction of the motor. The system comprises one or more vibration sensors (13), a signal synchronized to the slot rate or other motor induced tonal rate, an electronic adaptive controller (12) and the means to inject the control signal into the motor field and/or armature current.
IPC 1-7
IPC 8 full level
B60L 9/02 (2006.01); G10K 11/16 (2006.01); G10K 11/178 (2006.01); H02K 5/24 (2006.01); H02K 11/00 (2006.01); H02K 23/66 (2006.01); H02P 7/298 (2006.01)
CPC (source: EP US)
G10H 1/00 (2013.01 - US); H02K 5/24 (2013.01 - EP US); H02K 11/20 (2016.01 - EP); H02K 23/66 (2013.01 - EP); H02P 7/298 (2013.01 - EP); G10K 2210/10 (2013.01 - EP); G10K 2210/121 (2013.01 - EP); G10K 2210/123 (2013.01 - EP); G10K 2210/3013 (2013.01 - EP); G10K 2210/3045 (2013.01 - EP); G10K 2210/3212 (2013.01 - EP); G10K 2210/501 (2013.01 - EP)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE
DOCDB simple family (publication)
WO 9319458 A1 19930930; EP 0631685 A1 19950104; EP 0631685 A4 19960117
DOCDB simple family (application)
US 9202073 W 19920319; EP 92915176 A 19920319