Device for pivotally guiding variable-pitch vanes in a...

Details Device for pivotally guiding variable-pitch vanes in a... Device for pivotally guiding variable-pitch vanes in a...

2006-09-26

2006-09-26

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

C415S160000

Reexamination Certificate

active

07112041

ABSTRACT:
A device for guiding pivoting of variable-pitch vanes in a turbomachine, each vane having a pivot formed by a cylindrical axial shank which is guided in a cylindrical chimney of the casing and in a cylindrical orifice of a stationary element which surrounds the outside of the casing and which is centered and fixed relative thereto. The invention improves pivotal guidance of variable-pitch vanes.

REFERENCES:
patent: 2823700 (1958-02-01), Christensen
patent: 3496628 (1970-02-01), Davis
patent: 3966352 (1976-06-01), White et al.
patent: 6413043 (2002-07-01), Bouyer
patent: 601 828 (1948-05-01), None
patent: 1 505 858 (1978-03-01), None

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