Variable nozzle device

Details Variable nozzle device Variable nozzle device

2006-06-13

2009-06-30

Edgar, Richard (Department: 3745)

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

Reexamination Certificate

active

07553127

ABSTRACT:
A variable nozzle device comprises a wall member10,a unison ring12,and a plurality of vanes1rotatable about a pivot axle8by the unison ring12.Each vane1has a tab member9comprising a shaft portion6and a tab portion5for holding the vanes1on the wall member. The nozzle device further comprises an insert11for supporting the vanes1rotatably about said pivot axle8.

REFERENCES:
patent: 5146752 (1992-09-01), Bruestle
patent: 7478991 (2009-01-01), Noelle

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