Patent ID: 8251650
Filing Date: 2012-08-28
Classification: F04D,F05D

Abstract:
1. A compressor housing which houses an impeller having a plurality of blades and a main body provided at base parts of the plurality of blades, in a rotatable manner about a rotational axis, which has an intake passage formed at a first end thereof for guiding working fluid to the impeller, and which has a volute formed at a second end thereof, the compressor housing comprising: an inner cylinder made of a plastic material and extending in an axial direction and in a circumferential direction to surround blade tips of the blades; and an outer cylinder made of a plastic material and extending in the axial direction and in the circumferential direction to surround the inner cylinder, wherein the inner cylinder and the outer cylinder are bonded or jointed at the first end, opposite the second end where the volute is formed.