EP 1452742 A1 20040901 - Pre-whirl generator for radial compressor
Title (en)
Pre-whirl generator for radial compressor
Title (de)
Dralldrossel für Radialverdichter
Title (fr)
Directrice d'admission pour compresseur radial
Publication
Application
Priority
EP 03002520 A 20030205
Abstract (en)
A pre-whirl generating apparatus (26) is provided that employs deformable air deflecting vanes (46) adjacent the inlet (18) of a radial air compressor (12-22), which vanes (46) can be mechanically deformed to generate positive, neutral, or negative pre-whirl flow to the compressor. A minimum number of parts are used to position one or more thin, deformable vanes (46) in the intake channel (34) leading to the compressor inlet (18). In their undeformed position, the vanes (46) do not deflect the incoming air, thereby causing little or no flow restriction. To achieve the desired positive or negative pre-whirl of flow to the compressor (12-22), the trailing edge (62) of the vanes (46) are deflected transverse to the direction of flow in the channel (34) in either the positive or negative direction. <IMAGE>
IPC 1-7
IPC 8 full level
F01D 17/14 (2006.01); F01D 17/16 (2006.01); F04D 27/02 (2006.01); F04D 29/42 (2006.01)
CPC (source: EP)
F01D 17/141 (2013.01); F01D 17/162 (2013.01); F04D 27/0246 (2013.01); F04D 29/4213 (2013.01); F04D 29/462 (2013.01); F05D 2220/40 (2013.01); F05D 2250/51 (2013.01); F05D 2260/14 (2013.01); F05D 2260/4031 (2013.01); F05D 2260/74 (2013.01); F05D 2260/76 (2013.01)
Citation (search report)
- [X] US 5025629 A 19910625 - WOOLLENWEBER WILLIAM E
- [X] US 3232043 A 19660201 - RUDOLPH BIRMANN
- [X] US 3797230 A 19740319 - AMANN C, et al
- [AD] US 6039534 A 20000321 - STONER GEORGE S [US], et al
- [A] US 3362625 A 19680109 - ENDRESS JAMES W
- [A] US 4375939 A 19830308 - MOUNT GORDON L, et al
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 1452742 A1 20040901; EP 1452742 B1 20051130; DE 60302542 D1 20060105; DE 60302542 T2 20060810; DE 60302542 T8 20070329
DOCDB simple family (application)
EP 03002520 A 20030205; DE 60302542 T 20030205