EP 1793124 A2 20070606 - Structure for joining impeller to rotatable shaft
Title (en)
Structure for joining impeller to rotatable shaft
Title (de)
Struktur zur Befestigung eines Laufrads auf einer drehbaren Welle
Title (fr)
Structure de fixation d'impulseur sur un arbre rotatif
Publication
Application
Priority
JP 2005347533 A 20051201
Abstract (en)
A fluid machine including a shaft and an impeller, wherein the impeller has a shaft bore into which the shaft is inserted, and wherein the impeller is coupled to the shaft by an interference fit. The fluid machine further includes a positioning part provided between the shaft and the impeller, for positioning the impeller at a predetermined position on the shaft; a fitting part provided inside the shaft bore and adjacent to the positioning part, for forming the interference fit between the shaft and the impeller; and a loose-insertion part provided inside the shaft bore and adjacent to the fitting part, for forming a clearance between the shaft and the impeller.
IPC 8 full level
F04D 29/26 (2006.01); F01D 5/02 (2006.01); F04D 29/20 (2006.01)
CPC (source: EP US)
F04D 29/20 (2013.01 - EP US); F04D 29/266 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1793124 A2 20070606; CN 100465457 C 20090304; CN 1975173 A 20070606; JP 2007154678 A 20070621; JP 4053563 B2 20080227; US 2007128044 A1 20070607
DOCDB simple family (application)
EP 06024462 A 20061124; CN 200610162904 A 20061129; JP 2005347533 A 20051201; US 56457806 A 20061129