EP 1683972 A2 20060726 - Blowing device
Title (en)
Blowing device
Title (de)
Blasvorrichtung
Title (fr)
Dispositif de soufflage
Publication
Application
Priority
KR 20050006643 A 20050125
Abstract (en)
Disclosed herein is a blowing device for small-sized electronic appliances such as cleaning apparatuses. The blowing device comprises a housing (50), a centrifugal impeller (60), a guide vane (70), and a motor for rotating the centrifugal impeller (60). The centrifugal impeller (60) comprises a shroud (62), a hub (64), and a plurality of impeller blades (66) which have an average diameter 87~93 % of a diameter of the housing. The shroud (62) and the hub (64) of the centrifugal impeller (60), and the guide vane (70) are optimally designed with respect to a size of the housing (50) or an average diameter of the impeller blades (66), maximizing fan efficiency and heat dissipation of the motor.
IPC 8 full level
F04D 29/28 (2006.01); F04D 17/16 (2006.01); F04D 29/30 (2006.01); F04D 29/42 (2006.01)
CPC (source: EP KR US)
A63H 33/046 (2013.01 - KR); A63H 33/10 (2013.01 - KR); F04D 17/165 (2013.01 - EP US); F04D 29/281 (2013.01 - EP US); F04D 29/30 (2013.01 - EP US); F04D 29/4253 (2013.01 - EP US)
Citation (applicant)
FR 879346 A 19430219 - VENTILATOR A G
Designated contracting state (EPC)
DE FR GB
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1683972 A2 20060726; EP 1683972 A3 20110629; EP 1683972 B1 20140319; CN 1811193 A 20060802; CN 1811193 B 20110601; JP 2006207587 A 20060810; JP 4995464 B2 20120808; KR 100748966 B1 20070813; KR 20060085797 A 20060728; US 2006182628 A1 20060817
DOCDB simple family (application)
EP 05028212 A 20051222; CN 200610005487 A 20060116; JP 2006016279 A 20060125; KR 20050006643 A 20050125; US 33221306 A 20060117