Global Patent Index - EP 3157713 A1

EP 3157713 A1 20170426 - HAND-HELD MACHINE TOOL HAVING AN ELECTRONICALLY COMMUTATED ELECTRIC MOTOR AS DIRECT DRIVE

Title (en)

HAND-HELD MACHINE TOOL HAVING AN ELECTRONICALLY COMMUTATED ELECTRIC MOTOR AS DIRECT DRIVE

Title (de)

HANDWERKZEUGMASCHINE MIT ELEKTRONISCH KOMMUTIERTEM ELEKTROMOTOR ALS DIREKTANTRIEB

Title (fr)

MACHINE-OUTIL À MAIN ÉQUIPÉE D'UN MOTEUR ÉLECTRIQUE À COMMUTATION ÉLECTRONIQUE COMME ENTRAINEMENT DIRECT

Publication

EP 3157713 A1 20170426 (DE)

Application

EP 15717458 A 20150414

Priority

  • DE 102014211615 A 20140617
  • EP 2015058014 W 20150414

Abstract (en)

[origin: WO2015192994A1] The invention relates to a hand-held machine tool (10), in particular an angle grinder, comprising an electric-motor drive (12) which has an electronically commutated electric motor (12), said electric-motor drive being provided to drive a machining tool (22), and having a machining tool (22). It is proposed that the electronically commutated electric motor (12) has an outer diameter dmotor, wherein the ratio of the outer diameter dmotor of the electronically commutated electric motor (12) to a diameter dtool of the machining tool (22) is a maximum of 0.42, in particular a maximum of 0.39, although preferably a maximum of 0.32.

IPC 8 full level

B25F 5/00 (2006.01); B24B 23/02 (2006.01)

CPC (source: CN EP US)

B24B 23/028 (2013.01 - CN EP US); B25F 5/00 (2013.01 - CN EP US)

Citation (search report)

See references of WO 2015192994A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

DE 102014211615 A1 20151217; CN 106457551 A 20170222; EP 3157713 A1 20170426; JP 2017525581 A 20170907; US 10189140 B2 20190129; US 2017113319 A1 20170427; WO 2015192994 A1 20151223

DOCDB simple family (application)

DE 102014211615 A 20140617; CN 201580033004 A 20150414; EP 15717458 A 20150414; EP 2015058014 W 20150414; JP 2017517184 A 20150414; US 201515317370 A 20150414