Global Patent Index - EP 3728861 B1

EP 3728861 B1 20240522 - IMPELLER FOR FAN OF A THERMAL SYSTEM OF A MOTOR VEHICLE, FAN AND THERMAL SYSTEM COMPRISING SUCH AN IMPELLER

Title (en)

IMPELLER FOR FAN OF A THERMAL SYSTEM OF A MOTOR VEHICLE, FAN AND THERMAL SYSTEM COMPRISING SUCH AN IMPELLER

Title (de)

LAUFRAD FÜR EINEN LÜFTER EINES WÄRMESYSTEMS EINES KRAFTFAHRZEUGS, LÜFTER UND WÄRMESYSTEM MIT SOLCH EINEM LAUFRAD

Title (fr)

HÉLICE POUR VENTILATEUR DE SYSTÉME THERMIQUE DE VÉHICULE AUTOMOBILE, VENTILATEUR ET SYSTÈME THERMIQUE COMPRENANT UNE TELLE HÉLICE

Publication

EP 3728861 B1 20240522 (FR)

Application

EP 18735305 A 20180629

Priority

  • FR 1756203 A 20170630
  • EP 2018067663 W 20180629

Abstract (en)

[origin: WO2019002585A1] The propeller (16) for a fan (14) of a thermal system (10) of a motor vehicle comprises a receiving bowl (22) for receiving a motor (18) of the propeller (16) and at least one blade (34) linked to the receiving bowl (22), the receiving bowl (22) further comprising: - a central member (26) comprising at least one through-opening (30), - a crown (28) extending around the central member (26), the blade (34) extending radially outwards from the crown (28), and - at least one rib (36) arranged on a front face of the crown (28), with reference to a direction of flow of an air flow (F) generated by the propeller (16), extending radially outwards so as to have a curved shape oriented in the opposite direction to a direction of rotation of the propeller (16).

IPC 8 full level

F04D 29/32 (2006.01); F04D 25/06 (2006.01); F04D 25/08 (2006.01); F04D 29/38 (2006.01); F04D 29/58 (2006.01); F01P 5/04 (2006.01)

CPC (source: EP US)

F04D 19/002 (2013.01 - US); F04D 25/06 (2013.01 - EP US); F04D 25/082 (2013.01 - EP); F04D 29/326 (2013.01 - EP); F04D 29/329 (2013.01 - EP US); F04D 29/38 (2013.01 - EP); F04D 29/5806 (2013.01 - EP); F01P 2005/046 (2013.01 - EP)

Citation (examination)

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 2019002585 A1 20190103; CN 110998098 A 20200410; CN 110998098 B 20210928; EP 3728861 A1 20201028; EP 3728861 B1 20240522; FR 3073582 A1 20190517; FR 3073582 B1 20220722; US 11078920 B2 20210803; US 2020141420 A1 20200507

DOCDB simple family (application)

EP 2018067663 W 20180629; CN 201880042768 A 20180629; EP 18735305 A 20180629; FR 1756203 A 20170630; US 201816623537 A 20180629