EP 2538087 A4 20150121 - IMPELLER, ELECTRIC AIR BLOWER USING SAME, AND ELECTRIC CLEANER USING ELECTRIC AIR BLOWER
Title (en)
IMPELLER, ELECTRIC AIR BLOWER USING SAME, AND ELECTRIC CLEANER USING ELECTRIC AIR BLOWER
Title (de)
ANTREIBER, ELEKTRISCHES GEBLÄSE DAMIT UND ELEKTRISCHER REINIGER MIT DEM ELEKTRISCHEN GEBLÄSE
Title (fr)
ROUE, VENTILATEUR ÉLECTRIQUE METTANT EN UVRE CETTE ROUE, ET ASPIRATEUR ÉLECTRIQUE METTANT EN UVRE CE VENTILATEUR ÉLECTRIQUE
Publication
Application
Priority
- JP 2010069605 A 20100325
- JP 2010033123 A 20100218
- JP 2010032211 A 20100217
- JP 2011000841 W 20110216
Abstract (en)
[origin: US2012294739A1] An impeller of the present invention includes a front surface shroud including an air intake port; a back surface shroud provided facing the front surface shroud; a first inducer provided between the front surface shroud and the back surface shroud and including a plurality of first blade sections provided around a first hub portion; a second inducer including a plurality of second blade sections connected to the first blade section of the first inducer and provided around a second hub portion; and a plurality of blades connected to the second blade section of the second inducer. A multi-blade structure of the inducer thus can be realized, and an impeller of high performance and low noise can be provided.
IPC 8 full level
A47L 5/22 (2006.01); A47L 9/00 (2006.01); F04D 17/06 (2006.01); F04D 29/28 (2006.01)
CPC (source: EP US)
A47L 5/22 (2013.01 - EP US); F04D 17/025 (2013.01 - EP US); F04D 29/281 (2013.01 - EP US)
Citation (search report)
- [XAI] JP 2004308647 A 20041104 - HITACHI IND CO LTD
- [XI] EP 1923572 A2 20080521 - MATSUSHITA ELECTRIC IND CO LTD [JP]
- [X] FR 793823 A 19360201 - LORENZEN G M B H C
- [A] CH 253325 A 19480229 - SULZER AG [CH]
- See references of WO 2011102120A1
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)
US 2012294739 A1 20121122; CN 102762873 A 20121031; EP 2538087 A1 20121226; EP 2538087 A4 20150121; JP 5796165 B2 20151021; JP WO2011102120 A1 20130617; MY 162293 A 20170531; WO 2011102120 A1 20110825
DOCDB simple family (application)
US 201113519003 A 20110216; CN 201180009790 A 20110216; EP 11744411 A 20110216; JP 2011000841 W 20110216; JP 2012500505 A 20110216; MY PI2012002514 A 20110216