EP 1979623 A1 20081015 - IMPROVED IMPELLER AND FAN
Title (en)
IMPROVED IMPELLER AND FAN
Title (de)
VERBESSERTES LAUFRAD UND GEBLÄSE
Title (fr)
TURBINE ET VENTILATEUR AMELIORES
Publication
Application
Priority
- GB 2007000152 W 20070119
- GB 0601449 A 20060125
Abstract (en)
[origin: WO2007085798A1] An impeller for a fan, which impeller comprises a hub and one or more blades, wherein at least one blade has a radially inner portion which is aerofoil in section and a centrifugal accelerator portion which extends radially outwardly from the aerofoil portion. The aerofoil portion has a greater angle of attack than the accelerator portion.
IPC 8 full level
F04D 29/30 (2006.01); F04D 29/28 (2006.01)
CPC (source: EP US)
F04D 29/281 (2013.01 - EP US); F04D 29/30 (2013.01 - EP US)
Citation (search report)
See references of WO 2007085798A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2007085798 A1 20070802; AT E433054 T1 20090615; AU 2007209185 A1 20070802; AU 2007209185 B2 20110414; CN 101410627 A 20090415; CN 101410627 B 20100602; DE 602007001234 D1 20090716; EP 1979623 A1 20081015; EP 1979623 B1 20090603; ES 2327291 T3 20091027; GB 0601449 D0 20060308; NZ 569987 A 20100430; US 2010189557 A1 20100729; ZA 200806463 B 20090930
DOCDB simple family (application)
GB 2007000152 W 20070119; AT 07704934 T 20070119; AU 2007209185 A 20070119; CN 200780010415 A 20070119; DE 602007001234 T 20070119; EP 07704934 A 20070119; ES 07704934 T 20070119; GB 0601449 A 20060125; NZ 56998707 A 20070119; US 16167807 A 20070119; ZA 200806463 A 20080724