Patent ID: 9644637
Date: 2017-05-09
CPC Classifications: F04D,F05B,Y10T

Claim:
1. An axial compressor comprising: a plurality of stator vanes attached to an inner surface of a casing defining an annular flow path; and a plurality of rotor blades attached to a rotating rotor defining the annular flow path; wherein a flow path is defined between a pressure surface of a stator vane and a suction surface of a stator vane, the vanes being circumferentially adjacent to each other, or between a pressure surface of a rotor blade and a suction surface of a rotor blade, the blades being circumferentially adjacent to each other, a flow path width is defined as being in a direction perpendicular to an axis of rotation, the flow path is formed so that an axial flow path width distribution extending from the leading edges to trailing edges of the vanes or the blades defining the flow path therebetween has an inflection point on the downstream side of a throat portion at which the flow path width is most minimized and so that the flow path width is monotonously increased toward the downstream side from the throat portion to the trailing edge.