Rotor blade for a ninth phase of a compressor

Details Rotor blade for a ninth phase of a compressor Rotor blade for a ninth 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 2579387

The invention relates to a blade (10) of a rotor of a ninth 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 half- way up the blade (10) and being suitable for shifting the natural resonance frequencies of the blade (10) itself outside a functioning frequency range of said rotor.

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