EP 3199817 A1 20170802 - SIDE-CHANNEL BLOWER/ASPIRATOR WITH AN IMPROVED IMPELLER
Title (en)
SIDE-CHANNEL BLOWER/ASPIRATOR WITH AN IMPROVED IMPELLER
Title (de)
SEITENKANAL BLÄSER/SAUGER MIT VERBESSERTEM LAUFRAD
Title (fr)
SOUFFLEUR/ASPIRATEUR À CANAL LATÉRAL AVEC HÉLICE AMÉLIORÉE
Publication
Application
Priority
EP 16153459 A 20160129
Abstract (en)
The side-channel blower / aspirator (1), comprises an impeller (2) equipped with a plurality of blades (21) and a casing (13, 14), in which the impeller (2) is enclosed and within which an annular conduit (C) is defined in which the blades (21) rotate. The blades (21) comprise at least one transversally curved portion, defining a concavity (23) facing the advancement direction of the blades (21) within said conduit (C).
IPC 8 full level
F04D 23/00 (2006.01); F04D 29/28 (2006.01); F04D 29/30 (2006.01)
CPC (source: EP)
F04D 23/008 (2013.01); F04D 29/281 (2013.01); F04D 29/30 (2013.01)
Citation (search report)
- [X] US 4325672 A 19820420 - SIXSMITH HERBERT, et al
- [X] JP H01121598 A 19890515 - DAIKIN IND LTD
- [XA] DE 19955955 A1 20010613 - SIEMENS AG [DE]
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 16153459 A 20160129