Global Patent Index - EP 3472470 B1

EP 3472470 B1 20220302 - ELECTRIC FLUID PUMP FOR A MOTOR VEHICLE

Title (en)

ELECTRIC FLUID PUMP FOR A MOTOR VEHICLE

Title (de)

ELEKTRISCHE FLUIDPUMPE FÜR EIN KRAFTFAHRZEUG

Title (fr)

POMPE À FLUIDE ÉLECTRIQUE POUR UN VÉHICULE AUTOMOBILE

Publication

EP 3472470 B1 20220302 (DE)

Application

EP 16729946 A 20160620

Priority

EP 2016064201 W 20160620

Abstract (en)

[origin: WO2017220119A1] The invention relates to an electric fluid pump for a motor vehicle, comprising a housing composite (4), which defines at least a pump space (6) and a motor space (8), wherein the pump space (6) has a pump rotor space (10) for a pump unit (7) having a pump rotor (12) and wherein a drive motor (24) having a motor stator (28) having a motor coil assembly and a motor rotor is provided in the motor space (8), wherein the pump space (6) and the motor space (8) have a common end wall (18), wherein the motor rotor (34) is connected to a rotor shaft (32) for conjoint rotation, which rotor shaft is fed through the common end wall (18) and on which rotor shaft the pump rotor (12) is arranged for conjoint rotation, and wherein a motor controller (26) is provided for controlling the drive motor (24), wherein the common end wall (18) is designed as a mounting wall part, on which at least the motor controller (26) is arranged in a thermally conductive manner, wherein the drive motor (24) is an asymmetrically permanently excited drive motor, wherein the motor coil assembly (30) arranged on the motor stator (28) is provided on a side which, in relation to the rotor shaft (32), is opposite the motor controller (26).

IPC 8 full level

F04D 13/06 (2006.01); F01P 5/12 (2006.01); F04D 29/58 (2006.01)

CPC (source: EP US)

F04D 13/0606 (2013.01 - EP); F04D 13/0626 (2013.01 - US); F04D 13/0686 (2013.01 - EP); F04D 29/5806 (2013.01 - EP US); F04D 29/5813 (2013.01 - EP); F01P 2005/105 (2013.01 - US); F01P 2005/125 (2013.01 - EP US); F04D 13/0633 (2013.01 - US); F04D 13/0686 (2013.01 - 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

DOCDB simple family (publication)

WO 2017220119 A1 20171228; CN 109154302 A 20190104; EP 3472470 A1 20190424; EP 3472470 B1 20220302; JP 2019515628 A 20190606; US 10935028 B2 20210302; US 2020309136 A1 20201001

DOCDB simple family (application)

EP 2016064201 W 20160620; CN 201680085899 A 20160620; EP 16729946 A 20160620; JP 2018558335 A 20160620; US 201616310819 A 20160620