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Patent Searching and Data


Title:
THRUST VECTORING TECHNIQUES
Document Type and Number:
WIPO Patent Application WO2000050759
Kind Code:
A3
Abstract:
A thrust directing mechanism (430) to vector thrust and control discharge throat area is disclosed. Mechanism (430) includes a number of vanes (460a-460h) mounted across passage (418) of thrust vectoring nozzle (440). Mechanism (430) includes control linkage (486) pivotally coupled to each of vanes (460a-460h). The control linkage (486) is selectively movable to correspondingly pivot vanes (460a-460h) and has a link with at least two degrees of freedom corresponding to a two-coordinate position. A desired orientation of vanes (460a-460h) may be determined as a function of the two-coordinate position. The discharge exit area is contracted by adjusting convergence of vanes (460a-460h). During convergence, vanes (460a-460h) are pivoted to various pivot angles selected to optimize thrust efficiency when contracting the discharge throat area.

Inventors:
ULANOSKI MICHAEL S (US)
SOKHEY JAGDISH S (US)
VITTAL BAILY R (US)
BAKER VON D (US)
Application Number:
US0003254W
Publication Date:
December 21, 2000
Filing Date:
February 08, 2000
Export Citation:
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Assignee:
ALLISON ADVANCED DEVELOPMENT COMPANY
ULANOSKI, MICHAEL, S.
SOKHEY, JAGDISH, S.
VITTAL, BAILY, R.
BAKER, VON, D.
International Classes:
B64C29/00; F01D17/16; F02K1/00; F02K3/02
Foreign References:
US3081597A1963-03-19
US3174709A1965-03-23
US3087303A1963-04-30
US5485958A1996-01-23
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