EP 2828532 A1 20150128 - VENTILATION SYSTEM
Title (en)
VENTILATION SYSTEM
Title (de)
BELÜFTUNGSSYSTEM
Title (fr)
SYSTEME DE VENTILATION
Publication
Application
Priority
- FR 1252592 A 20120322
- EP 2013056147 W 20130322
Abstract (en)
[origin: WO2013139981A1] The invention relates to a ventilation system comprising a fan propeller (1) and a drive motor (9) having an external rotor (9b), said propeller (1) comprising a central part (3) having a cylindrical wall (11) and defining a housing (13) for receiving said external rotor (9b), and also comprising a front wall (15) having an opening (17) in such a way that the proportion of the opening is greater than a predefined opening proportion.
IPC 8 full level
F04D 25/06 (2006.01); F04D 29/32 (2006.01); F04D 29/64 (2006.01)
CPC (source: CN EP US)
F04D 25/06 (2013.01 - US); F04D 25/0613 (2013.01 - CN EP US); F04D 29/329 (2013.01 - CN EP US); F04D 29/646 (2013.01 - CN EP US)
Citation (search report)
See references of WO 2013139981A1
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 2013139981 A1 20130926; CN 104619993 A 20150513; EP 2828532 A1 20150128; FR 2988337 A1 20130927; FR 2988337 B1 20150508; US 10012233 B2 20180703; US 2015125326 A1 20150507
DOCDB simple family (application)
EP 2013056147 W 20130322; CN 201380024475 A 20130322; EP 13714244 A 20130322; FR 1252592 A 20120322; US 201314386423 A 20130322