EP 3895288 A1 20211020 - ROTOR DEVICE FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE
Title (en)
ROTOR DEVICE FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE
Title (de)
ROTOREINRICHTUNG FÜR EINE ELEKTRISCHE MASCHINE, SOWIE ELEKTRISCHE MASCHINE
Title (fr)
DISPOSITIF DE ROTOR POUR UNE MACHINE ÉLECTRIQUE, AINSI QUE MACHINE ÉLECTRIQUE
Publication
Application
Priority
- DE 102018221569 A 20181212
- EP 2019084708 W 20191211
Abstract (en)
[origin: WO2020120603A1] The present invention relates to a rotor device for an electric machine, comprising a rotor (R) having a rotor shaft (1) and a rotor core (2), the rotor shaft (1) being designed, at least in portions, as a hollow shaft having an inner wall (12), a fluid lance (3) for cooling the inside of the rotor being introduced into the hollow shaft, and the inner wall (12) of the hollow shaft being equipped with an impact protrusion (4). The invention also relates to an electric machine having a rotor device according to the invention.
IPC 8 full level
CPC (source: EP US)
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 2020120603 A1 20200618; CN 113597731 A 20211102; CN 113597731 B 20240614; DE 102018221569 A1 20200618; EP 3895288 A1 20211020; US 2022060072 A1 20220224
DOCDB simple family (application)
EP 2019084708 W 20191211; CN 201980083106 A 20191211; DE 102018221569 A 20181212; EP 19828234 A 20191211; US 201917312815 A 20191211