EP 1462658 B1 20090805 - Radial fan
Title (en)
Radial fan
Title (de)
Radialgebläse
Title (fr)
Ventilateur radial
Publication
Application
Priority
DE 10313054 A 20030324
Abstract (en)
[origin: US7179050B2] The invention relates to a radial fan with a casing and in it an axially placed wheel, wherein the casing has an axially placed air inlet, an exhaust ( 5 ), a bottom section ( 6 ) with a bottom reference surface ( 7 ) arranged orthogonally to the axis and a spirally shaped compression space located radially around the wheel that extends to the exhaust port; and wherein the wheel has a cover disk that faces the air inlet port and a supporting disk; wherein the radial fan is characterized in that the spiral-shaped compression space ( 8 ) expands both in a radial direction from the axis towards the exhaust port ( 6 ) as well as in an axial direction; wherein the axial expansion extends over at least 180° of the spiral circumference; and in which a hollow cylindrical cup-shaped section ( 9 ) is recessed in the bottom section ( 6 ) in an axial direction beyond the bottom reference surface ( 7 ) into which the wheel is placed in such a way that an inside of the supporting disk of the wheel runs flush with the bottom reference surface ( 7 ).
IPC 8 full level
F04D 29/42 (2006.01); F04D 29/28 (2006.01)
CPC (source: EP US)
F04D 29/281 (2013.01 - EP US); F04D 29/4233 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
US 2004219013 A1 20041104; US 7179050 B2 20070220; AT E438804 T1 20090815; DE 10313054 A1 20041014; DE 10313054 A8 20050217; DE 10313054 B4 20121004; DE 502004009845 D1 20090917; EP 1462658 A2 20040929; EP 1462658 A3 20051214; EP 1462658 B1 20090805; ES 2331308 T3 20091229
DOCDB simple family (application)
US 80752604 A 20040323; AT 04400016 T 20040322; DE 10313054 A 20030324; DE 502004009845 T 20040322; EP 04400016 A 20040322; ES 04400016 T 20040322