CONNECTION CONSTRUCTION OF COMPRESSOR IMPELLER AND DRIVE SHAFT, AND DEVICE WITH THE CONNECTION CONSTRUCTION

PROBLEM TO BE SOLVED: To provide a connection construction of a compressor impeller and a drive shaft excellent in durability and assembling facility and to provide a device having the connection construction. SOLUTION: This turbo charger is constructed with a bottomed insertion hole 20, not a throu...

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Bibliographic Details
Main Authors NISHIYAMA TOSHIHIKO, OGAWA TETSUAKI
Format Patent
LanguageEnglish
Published 20.10.2005
Edition7
Subjects
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT PUMPS
POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS
PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a connection construction of a compressor impeller and a drive shaft excellent in durability and assembling facility and to provide a device having the connection construction. SOLUTION: This turbo charger is constructed with a bottomed insertion hole 20, not a through hole, formed on a compressor impeller 13 side. This turbo charger causes stress concentration to be hardly generated and allows large improvement of the durability. The drive shaft 15 and the compressor impeller 13 are not screwed together and are connected to each other through interference fit with a fitting hole portion 20A and a fitting shaft portion 15A. This allows assembly to be precisely performed by concentricity of the fitted portions, deformation of the drive shaft, galling of threads and the like are not caused at all and the assembling facility is also satisfactory. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040110025