EP 3376048 B1 20200812 - TURBO COMPRESSOR
Title (en)
TURBO COMPRESSOR
Title (de)
TURBOVERDICHTER
Title (fr)
TURBOCOMPRESSEUR
Publication
Application
Priority
JP 2017052375 A 20170317
Abstract (en)
[origin: EP3376048A1] An impeller of a turbo compressor has a hub and a plurality of blades. When a distance from a rotation axis to an intersection point between a front edge and a hub edge, a distance from the rotation axis to an intersection point between the front edge and a shroud edge, and a distance from the rotation axis to a rear edge are defined as R1, R2, and R3 respectively, the distances R1, R2, and R3 satisfy relations of 0.2‰¤R1/R3‰¤0.3 and 0.6‰¤R2/R3‰¤0.8. When a dimensionless distance from the front edge with respect to a code direction is defined as M, a blade angle ²s is unchanged in a section where the dimensionless distance M is 0% or higher and 5% or lower, and a blade angle ²h and the blade angle ²s satisfy a relation of ²h‰¥²s×2/3 in a position where the dimensionless distance M is 5%.
IPC 8 full level
F04D 29/28 (2006.01); F04D 29/30 (2006.01)
CPC (source: CN EP)
F04D 29/284 (2013.01 - CN EP); F04D 29/30 (2013.01 - CN EP); F04D 29/666 (2013.01 - CN); F04D 29/667 (2013.01 - CN); F05D 2240/303 (2013.01 - EP); F05D 2250/70 (2013.01 - EP)
Citation (examination)
US 2014202202 A1 20140724 - TAGUCHI HIDETOSHI [JP], et al
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
DOCDB simple family (publication)
EP 3376048 A1 20180919; EP 3376048 B1 20200812; CN 108626169 A 20181009; JP 2018155244 A 20181004
DOCDB simple family (application)
EP 18157880 A 20180221; CN 201810208560 A 20180314; JP 2018037394 A 20180302