Control device for a stage of blades with variable pitch

Details Control device for a stage of blades with variable pitch Control device for a stage of blades with variable pitch

1996-09-20

1997-12-02

Kwon, John T.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415160, 415162, F04D 2944

Patent

active

056928793

ABSTRACT:
Device for controlling pivoting blades or variable pitch blades (3) in a turbine in which the control ring (10) rotates under the effect of an angled cam (15) controlled by a system with a connecting rod (22) and crank (21). This system imposes a non-linear rotation law between the blades (3) and the crank (21).

REFERENCES:
patent: 2999630 (1961-09-01), Warren et al.
patent: 4295784 (1981-10-01), Manning
patent: 4400135 (1983-08-01), Thebert
patent: 5035572 (1991-07-01), Popp
patent: 5044879 (1991-09-01), Farrar
patent: 5224820 (1993-07-01), Brichet et al.
patent: 5466122 (1995-11-01), Charbonnel et al.

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