EP 1731070 A1 20061213 - Blower and cleaner including the same
Title (en)
Blower and cleaner including the same
Title (de)
Gebläse und Staubsauger mit demselben
Title (fr)
Soufflante et aspirateur avec la même
Publication
Application
Priority
- KR 20050049762 A 20050610
- KR 20050062379 A 20050711
Abstract (en)
A blower (30) designed to reduce noise generated between impeller blades (41) and diffuser blades (61) positioned around the impeller blades (41) upon rotation of an impeller (40), and a cleaner including the same are disclosed. The diffuser blades (61) are non-uniformly spaced from each other in a circumferential direction such that interaction between the plurality of impeller blades (41) and the plurality of diffuser blades (61) become irregular upon rotation of the impeller (40). Distances between the impeller blades (41) and the diffuser blades (61) are non-uniform. With this construction, the blower and the cleaner are reduced in BPF noise, thereby enhancing performance thereof.
IPC 8 full level
A47L 5/22 (2006.01); F04D 29/44 (2006.01)
CPC (source: EP US)
A47L 5/22 (2013.01 - EP US); A47L 9/0081 (2013.01 - EP US); F04D 29/444 (2013.01 - EP US); F04D 29/666 (2013.01 - EP US); F05D 2250/52 (2013.01 - EP US)
Citation (applicant)
Citation (search report)
- [XY] EP 1048258 A2 20001102 - SANYO ELECTRIC CO [JP]
- [Y] US 4698534 A 19871006 - SMITH FRANCIS E [US], et al
- [X] US 5454690 A 19951003 - WOLFE JR MELVIN E [US], et al
- [PA] US 2005169750 A1 20050804 - KIM WOOK [KR], et al
- [A] US 3398866 A 19680827 - LA FLAME FRANK E, et al
Designated contracting state (EPC)
DE FR GB
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1731070 A1 20061213; JP 2006342792 A 20061221; US 2006280596 A1 20061214
DOCDB simple family (application)
EP 06000423 A 20060110; JP 2006034467 A 20060210; US 33105306 A 20060113