Turbine engine stator with pivoting blades and control ring

Details Turbine engine stator with pivoting blades and control ring Turbine engine stator with pivoting blades and control ring

1994-07-27

1995-11-14

Look, Edward K.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415139, 415200, 4151494, F01D 1716

Patent

active

054661226

ABSTRACT:
A turbine engine stator has a metal casing surrounding an envelope carrying bearings for the pivots of pivoting blades. A control mechanism for setting the position of the blades includes a radial spindle to which are transmitted the thrust forces of the gases, the envelope being advantageously formed from angular sectors of axially juxtaposed flanges or rings and which are not loaded. Therefore, the bearings are not subject to wear giving rise to gas leaks and efficiency losses. Advantageously, the envelope is made from a composite material.

REFERENCES:
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patent: 2999630 (1961-09-01), Warren et al.
patent: 3632224 (1972-01-01), Wright
patent: 4214852 (1980-07-01), Tuley et al.
patent: 4615658 (1986-10-01), Kagohara et al.
patent: 4618311 (1986-10-01), Miura et al.
patent: 4659282 (1987-04-01), Popp
patent: 4755104 (1988-07-01), Castro et al.
patent: 5224820 (1993-07-01), Brichet et al.
patent: 5318402 (1994-06-01), Baily et al.
patent: 5328328 (1994-07-01), Charbonnel et al.

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