EP 3662166 A1 20200610 - CENTRIFUGAL WHEEL FOR MOTOR-FAN UNIT
Title (en)
CENTRIFUGAL WHEEL FOR MOTOR-FAN UNIT
Title (de)
ZENTRIFUGALRAD FÜR MOTORLÜFTEREINHEIT
Title (fr)
ROUE DE TYPE CENTRIFUGE POUR GROUPE MOTO-VENTILATEUR
Publication
Application
Priority
- FR 1757417 A 20170802
- FR 2018051945 W 20180727
Abstract (en)
[origin: WO2019025710A1] A centrifugal wheel (5) for a motor-fan unit intended to be mounted on a heating/ventilation and/or air conditioning system of a motor vehicle, said wheel comprising a hub (15) suitable for being mounted on a drive shaft (9a), a peripheral crown (17) provided with a series of blades (19); said hub (15) and the peripheral crown (17) being linked together, characterised in that the wheel (5) comprises at least one blade (19) of which the angle of attack (β1) is between 67° and 79°, and in that the ratio between the internal diameter (D1) and the external diameter (D2) of the wheel (5) is between 75% and 85%.
IPC 8 full level
F04D 29/28 (2006.01); F04D 29/30 (2006.01)
CPC (source: EP)
F04D 29/281 (2013.01); F04D 29/30 (2013.01)
Citation (search report)
See references of WO 2019025710A1
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 2019025710 A1 20190207; EP 3662166 A1 20200610; FR 3069895 A1 20190208; FR 3069895 B1 20210611
DOCDB simple family (application)
FR 2018051945 W 20180727; EP 18765947 A 20180727; FR 1757417 A 20170802