Method of guiding a blade having a variable pitch angle

Details Method of guiding a blade having a variable pitch angle Method of guiding a blade having a variable pitch angle

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

C415S229000, C384S619000

Reexamination Certificate

active

07112040

ABSTRACT:
A guide device for guiding a variable-pitch blade, in particular in a turbomachine compressor, the blade having a pivot formed by a cylindrical axial shank mounted in a cylindrical housing of a casing and pivotally guided about an axis in said housing by bearings, where the bearings are abutment bearings with conical rollers, the axes of the rollers being substantially perpendicular to the pivot axis of the blade.

REFERENCES:
patent: 2345437 (1944-03-01), Tinker
patent: 2778564 (1957-01-01), Clarke et al.
patent: 2858062 (1958-10-01), Allen
patent: 3210045 (1965-10-01), Lindquist
patent: 3674377 (1972-07-01), Trappmann
patent: 757230 (1956-09-01), None

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