Patent ID: 6619072
Filing Date: 2003-09-16
Classification: F04D,F05D,F25B

Abstract:
A turbocompressor with a diffuser provided around an impeller periphery with one wall which can approach or separate from another wall and spaced apart therefrom with a passage for fluid therebetween, comprising:a diffuser ring forming said one wall, arranged so as to be a concentric circle with the surroundings of said impeller and supported on the casing, and which can be rotated in the circumferential direction and which can be moved in an axial direction of said impeller, with a groove formed on an outer peripheral face at an incline to the axial direction of said impeller, a protrusion provided on said casing and fitted into said groove, a shaft axially supported on said diffuser ring, and a drive section for driving said shaft in a lengthwise direction.