Stator for turbomachines

Details Stator for turbomachines Stator for turbomachines

1996-03-01

1997-02-11

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

4152093, F04D 2944

Patent

active

056014074

ABSTRACT:
A stator construction for turbomachines includes a plurality of support segments (3) and a plurality of guide vane segment roots (2) forming an inner shroud, with an abradable seal liner (4) provided on the radially inner surface of the support segments. An interlocking connection is provided between the vane segment roots and the support segments. The vane segment roots and support segments interlock with one another via radially extending annular flanges (21, 31), and annular grooves (23, 33) provided in the side faces (22, 32) of the annular flanges mate with one another to form annular channels therebetween. To secure the interlocked connection, an annular securing wire (5) is inserted into the annular channels. Spring members (6) may be arranged in annular spaces between the support segments and the vane segment roots.

REFERENCES:
patent: 3172641 (1965-03-01), John et al.
patent: 3519366 (1970-07-01), Campball
patent: 4820119 (1989-04-01), Joyce
patent: 5129786 (1992-07-01), Gustafson
patent: 5462403 (1995-10-01), Pannone

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