Patent ID: 9587644
Date: 2017-03-07
CPC Classifications: F04D,Y10T

Claim:
1. A compressor comprising: a substantially tubular casing; a substantially cylindrical bundle accommodating a blade inside, for being assembled to the casing; and a roller provided on an outer circumferential surface of the bundle, for rolling on an inner circumferential surface of the casing when the bundle is assembled to or removed from the casing, wherein the casing comprises a plurality of sealing surfaces provided on the inner circumferential surface of the casing so that the sealing surfaces are arranged in series along an axial direction of the casing with an interval between each of successive sealing surfaces, wherein the bundle comprises: wherein a distance of each interval is longer than a length of each of successive sealing surfaces, and wherein each interval is defined by a respective portion of the casing which connects successive sealing surfaces to each other that is tapered off as a whole in a direction of assemblage of the bundle and has a gradual inclination relative to an axis of the bundle.