Stator vane stage actuated by an automatically-centering...

Details Stator vane stage actuated by an automatically-centering... Stator vane stage actuated by an automatically-centering...

2007-11-27

2007-11-27

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

Including working fluid force responsive vane or flow control

Upstream of runner

C415S160000

Reexamination Certificate

active

11296298

ABSTRACT:
A variable pitch stator vane stage, said vanes being moved by an automatically-centered rotary actuator ring. The casing carries a stationary coaxial annular rail projecting from its outside surface, and circumferentially spaced apart moving equipments are provided that are constrained to move along said rail, each moving equipment being coupled to the actuator ring via a radial guide arrangement.

REFERENCES:
patent: 3990809 (1976-11-01), Young et al.
patent: 4130375 (1978-12-01), Korta
patent: 4373859 (1983-02-01), Thebert
patent: 4430043 (1984-02-01), Knight et al.
patent: 4979874 (1990-12-01), Myers
patent: 5096374 (1992-03-01), Sakai et al.
patent: 363661 (1962-08-01), None
patent: 1 499 531 (1978-02-01), None

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