EP 4278093 A1 20231122 - FAN HAVING A STEP DIFFUSER
Title (en)
FAN HAVING A STEP DIFFUSER
Title (de)
VENTILATOR MIT EINEM SPRUNGDIFFUSOR
Title (fr)
VENTILATEUR DOTÉ D'UN DIFFUSEUR ÉTAGÉ
Publication
Application
Priority
- DE 102022200382 A 20220114
- DE 2022200313 W 20221222
Abstract (en)
[origin: WO2023134823A1] The invention relates to a fan, in particular an axial or diagonal fan, comprising a housing and an impeller arranged therein and driven by an electric motor and having vanes extending between a hub ring and a cover ring, wherein a step diffuser is formed in the form of an abrupt expansion of the flow cross-section in the direction of flow downstream of the impeller and after exiting the region of the cover ring.
IPC 8 full level
F04D 17/06 (2006.01); F04D 19/00 (2006.01); F04D 29/16 (2006.01); F04D 29/32 (2006.01); F04D 29/54 (2006.01); F04D 29/68 (2006.01)
CPC (source: EP)
F04D 17/06 (2013.01); F04D 19/002 (2013.01); F04D 29/164 (2013.01); F04D 29/326 (2013.01); F04D 29/542 (2013.01); F04D 29/547 (2013.01); F04D 29/684 (2013.01); F05D 2250/52 (2013.01)
Citation (search report)
See references of WO 2023134823A1
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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102022200382 A1 20230720; EP 4278093 A1 20231122; WO 2023134823 A1 20230720
DOCDB simple family (application)
DE 102022200382 A 20220114; DE 2022200313 W 20221222; EP 22850712 A 20221222