EP 1355064 A1 20031022 - Blower fan, in particular for blowing apparatuses, and blowing apparatus provided thereof
Title (en)
Blower fan, in particular for blowing apparatuses, and blowing apparatus provided thereof
Title (de)
Ventilator, insbesondere für Blasgerät, und damit ausgestattetes Blasgerät
Title (fr)
Ventilateur, en particulier pour les appareils de soufflage, et appareil de soufflage ainsi équipé
Publication
Application
Priority
EP 02425238 A 20020417
Abstract (en)
A blower fan comprises a support element (13) presenting a first face (13a) and a second face (13b) mutually opposite to said first face (13a), the first and the second faces (13a, 13b) being respectively invested at least by a first and a second air flows (10, 11) coming from mutually opposite directions, a first blade series emerging at least from said second face (13b), and at least one air passage (13c) provided in the support element (13) and adapLed to direct at least said first air flow (10) investing said first face (13a) at least partly through said support element (13). <IMAGE>
IPC 1-7
IPC 8 full level
F04D 25/16 (2006.01); F04D 29/28 (2006.01)
CPC (source: EP)
F04D 25/166 (2013.01); F04D 29/281 (2013.01)
Citation (search report)
- [E] US 2002067995 A1 20020606 - CIFARELLI ROBERTO [IT]
- [XY] US 4470753 A 19840911 - WITZEL KARLHEINZ [DE]
- [X] US 5746577 A 19980505 - ITO KOJI [JP], et al
- [XY] GB 161464 A 19210414 - JOHN REID, et al
- [Y] EP 1074178 A1 20010207 - CIFARELLI SPA [IT]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1355064 A1 20031022; EP 1355064 B1 20050316; AT E291177 T1 20050415; DE 60203262 D1 20050421; DE 60203262 T2 20060209
DOCDB simple family (application)
EP 02425238 A 20020417; AT 02425238 T 20020417; DE 60203262 T 20020417