Turbomachine vane with variable camber

Details Turbomachine vane with variable camber Turbomachine vane with variable camber

1994-12-22

1996-05-28

Kwon, John T.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

415161, F04D 1500

Patent

active

055205119

ABSTRACT:
A variable camber turbomachine vane is described in which at least one of a front part and a rear part is pivotable relative to the other about a pivot axis to vary the camber of the vane, and the facing end surfaces of the front and rear parts form a junction which provides for the continuity of the intrados and extrados faces of the vane as well as for sealing between these two faces. The pivot axis is offset on the intrados face side relative to the mean surface of the vane by a distance which is preferably at least one third of the thickness of the vane. Also, a cover is provided on the intrados side of the vane for masking the recess which is created in the intrados face at the junction when the camber of the vane is varied.

REFERENCES:
patent: 3442493 (1969-05-01), Smith, Jr.
patent: 3723021 (1973-03-01), Batholomew
patent: 4009571 (1977-03-01), Black et al.
patent: 4856962 (1989-08-01), McDow
patent: 4995786 (1991-02-01), Wheeler
patent: 5207558 (1993-05-01), Hagle et al.

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