Device for varying the fluid passage area between adjacent turbi

Details Device for varying the fluid passage area between adjacent turbi Device for varying the fluid passage area between adjacent turbi

1986-02-06

1987-05-12

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

415150, 415151, F01D 1714

Patent

active

046645942

ABSTRACT:
The present invention discloses a device for varying the fluid passage area between adjacent turbine stator vanes. Upstream and downstream baffles are pivotally attached to the turbine casing, such that their distal ends may be extended into and retracted from the fluid passage area, so as to vary the cross section of the throat between adjacent vanes. A control system interconnects all of the baffles so as to synchronize and positively control their movements. The invention finds particular use in an aircraft turbojet engine.

REFERENCES:
patent: 1201492 (1916-10-01), Newton
patent: 1529711 (1925-03-01), Parrott et al.
patent: 2083447 (1937-06-01), Hoffmann
patent: 2531896 (1950-11-01), Telbizoff
patent: 2565178 (1951-08-01), Imbert
patent: 2858974 (1958-11-01), Bullock et al.
patent: 2875696 (1959-03-01), Von Zborowski
patent: 4403914 (1983-09-01), Rogo et al.
patent: 4409788 (1983-10-01), Nash et al.
patent: 4544325 (1985-10-01), Rogo et al.

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