Blade angle setting for a turbomachine

Details Blade angle setting for a turbomachine Blade angle setting for a turbomachine

2007-12-21

2011-12-13

Nguyen, Ninh H (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

C415S191000, C415S211200, C415S213100

Reexamination Certificate

active

08075264

ABSTRACT:
A straightener blade for a turbomachine, comprising a platform arranged at a radially external end of the blade and adapted to be engaged in a annular groove of a housing, and a threaded rod radially extending outwardly from the platform and adapted to pass through an orifice of the housing in order to receive a fixing nut, the upstream and downstream edges of the platform each comprising a protrusion extending in the plan of the platform in order to limit the rotation of the platform in the groove when the nut screwed on the threaded rod is tightened.

REFERENCES:
patent: 2488875 (1949-11-01), Morley
patent: 2755064 (1956-07-01), Simonsen
patent: 2834537 (1958-05-01), Neary
patent: 4643636 (1987-02-01), Libertini et al.
patent: 6296442 (2001-10-01), Tran
patent: 0 953 729 (1999-11-01), None

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