Global Patent Index - EP 1756938 A1

EP 1756938 A1 20070228 - HANDHELD OR STATIONARY POWER TOOL COMPRISING A DRIVE UNIT

Title (en)

HANDHELD OR STATIONARY POWER TOOL COMPRISING A DRIVE UNIT

Title (de)

HANDGEFÜHRTES ODER STATIONÄRES ELEKTROWERKZEUG MIT EINER ANTRIEBSEINHEIT

Title (fr)

OUTIL ELECTRIQUE PORTATIF OU FIXE DOTE D'UNE UNITE D'ENTRAINEMENT

Publication

EP 1756938 A1 20070228 (DE)

Application

EP 05747381 A 20050503

Priority

  • EP 2005052011 W 20050503
  • DE 102004027635 A 20040605

Abstract (en)

[origin: WO2005122386A1] The invention relates to a handheld or stationary power tool comprising a drive unit (1) having a motor (2) which is provided with a rotor containing a permanent magnet and a stator. Said power tool also comprises a motor-actuated control (5) which is embodied in such a way that it controls the motor (2) in a first speed range according to a voltage-controlled mode of operation, and in a second higher speed range which follows on from the first speed range, according to a field weakening operation.

IPC 8 full level

H02P 6/00 (2006.01); B25B 21/00 (2006.01); H02P 21/00 (2006.01); H02P 21/12 (2006.01)

CPC (source: EP US)

B25B 21/008 (2013.01 - EP US); H02P 6/34 (2016.02 - EP US); H02P 21/12 (2013.01 - EP US); Y10S 388/937 (2013.01 - EP US)

Citation (search report)

See references of WO 2005122386A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 2005122386 A1 20051222; CN 100539389 C 20090909; CN 1965470 A 20070516; DE 102004027635 A1 20060608; EP 1756938 A1 20070228; JP 2008502290 A 20080124; US 2008297080 A1 20081204; US 7697826 B2 20100413

DOCDB simple family (application)

EP 2005052011 W 20050503; CN 200580018183 A 20050503; DE 102004027635 A 20040605; EP 05747381 A 20050503; JP 2007513901 A 20050503; US 59745508 A 20080714