Device for adjusting the centering of a ring for...

Details Device for adjusting the centering of a ring for... Device for adjusting the centering of a ring for...

2007-07-17

2007-07-17

Edgar, Richard A. (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

Reexamination Certificate

active

11355883

ABSTRACT:
The invention provides a device for adjusting the centering of a control ring for pivoting vanes of a turbomachine, the device comprising a plurality of pads for coming into contact with a circular surface that is coaxial with the ring, each pivoting vane being connected to the control ring via a lever having a first end secured to the control ring via a crank pin disposed radially on said ring, and a second end mounted on a pivot of the vane, each of said pads being secured to a pad carrier. Each pad carrier is secured under the control ring by means of attachment systems that are designed to be assembled from over the ring.

REFERENCES:
patent: 4812106 (1989-03-01), Purgavie
patent: 4826399 (1989-05-01), Perez
patent: 4925364 (1990-05-01), Das
patent: 5387080 (1995-02-01), Bouhennicha et al.
patent: 5700129 (1997-12-01), Kocian

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