Global Patent Index - EP 3673566 A1

EP 3673566 A1 20200701 - ELECTRIC MACHINE WITH COOLING DEVICE COMPRISING A PARTIALLY SUBDIVIDED CHANNEL

Title (en)

ELECTRIC MACHINE WITH COOLING DEVICE COMPRISING A PARTIALLY SUBDIVIDED CHANNEL

Title (de)

ELEKTRISCHE MASCHINE MIT KÜHLVORRICHTUNG MIT EINEM TEILWEISE UNTERTEILTEN KANAL

Title (fr)

MACHINE ELECTRIQUE AVEC DISPOSITIF DE REFROIDISSEMENT COMPRENANT UN CANAL PARTIELLEMENT SUBDIVISE

Publication

EP 3673566 A1 20200701 (FR)

Application

EP 18735330 A 20180706

Priority

  • FR 1757858 A 20170824
  • EP 2018068390 W 20180706

Abstract (en)

[origin: WO2019037930A1] The present invention relates to a rotary electric machine (1) comprising a rotor (7), a stator (6) and a cooling device. The cooling device comprises a channel (8) for the circulation of a heat transfer liquid. The channel comprises substantially circumferential zones in which the channel (8) is subdivided into several passages (13). The canal further comprises substantially helicoidal zones (12), in which the channel (8) is not subdivided.

IPC 8 full level

H02K 5/20 (2006.01); H02K 9/19 (2006.01)

CPC (source: EP US)

H02K 5/203 (2021.01 - EP US)

Citation (search report)

See references of WO 2019037930A1

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)

WO 2019037930 A1 20190228; CN 111247724 A 20200605; EP 3673566 A1 20200701; FR 3070558 A1 20190301; FR 3070558 B1 20200612

DOCDB simple family (application)

EP 2018068390 W 20180706; CN 201880054574 A 20180706; EP 18735330 A 20180706; FR 1757858 A 20170824