Hook ring segment for a compressor vane

Details Hook ring segment for a compressor vane Hook ring segment for a compressor vane

2007-02-14

2009-11-17

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

C415S191000, C415S208100, C415S208200, C415S209200, C415S209300, C029S889220

Reexamination Certificate

active

07618234

ABSTRACT:
Embodiments for a compressor stator vane assembly in a gas turbine engine are disclosed. In an embodiment of the present invention a stator vane assembly is provided having a plurality of vanes each with an attachment and channels machined into the forward and aft walls of the attachment. A forward hook ring segment is pressfit into the channel in the forward wall of the attachment and an aft hook ring is pressfit into the channel in the aft wall of the attachment. The hook ring segments join a plurality of vanes together so as to provide a uniform engagement of mounting slots in the compressor case. Such an arrangement increases the contact area between the hook rings and the compressor case such that damping of individual vane vibrations are improved and operating stresses are reduced.

REFERENCES:
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patent: 4014627 (1977-03-01), Heurteux
patent: 5022818 (1991-06-01), Scalzo
patent: 5195868 (1993-03-01), Plemmons et al.
patent: 5846050 (1998-12-01), Schilling
patent: 6984108 (2006-01-01), Anderson et al.
patent: 7024744 (2006-04-01), Martin et al.

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