Rotor blade for a second phase of a compressor

Details Rotor blade for a second phase of a compressor Rotor blade for a second phase of a compressor

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 5/16 (2006.01) F01D 5/28 (2006.01) F04D 29/38 (2006.01)

Patent

CA 2579383

The invention relates to a blade (10) of a rotor of a second phase of a compressor, which can be defined by coordinates of a discreet combination of points, in a Cartesian reference system (X, Y, Z), wherein the axis (Z) is a radial axis intersecting the central axis of the compressor, said blade (10) having a profile which can be identified by means of a series of closed intersection curves between the profile itself and planes (X, Y) lying at distances (Z) from the central axis, said blade (10) also comprising a thickening (30), substantially parallel to a base portion (12) of the blade (10) itself, fixable to said rotor, said thickening (30) being substantially situated midway up the blade (10) and being suitable for shifting the natural resonance frequencies of the blade (10) itself outside a functioning velocity range of said rotor.

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