US4363445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust-vectoring nozzle for jet propulsion system
Assignee: Safran Aircraft Engines SAS
•
Filing: 1980-11-24
•
Granted: 1982-12-14
•
Expires: 2000-11-24
Abstract
Abstract A multidirectional thrust-vectoring device for a nozzle, including a fixed and pivoting part. The device includes elastic elements constituting a flexible articulation. The elastic elements form two elastic planes, the first of which is fixed on the fixed part and the second on the pivoting part. The elements are assembled in twos by means of a connecting plate and are distributed in two sets of two elements each on the periphery of the nozzle. Jacks associated with each two-set group allow the nozzle to be turned in the direction desired.
Inventors
- 👤 Jean G. Bouiller
- 👤 Jacques A. J. Pous
- 👤 Raymond J. M. Joubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:24
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/002; F02K1/008
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
159 words
A thrust-vectoring nozzle for a jet propulsion system comprising: a first fixed part connected with the propulsion system; a second pivoting part pivotably mounted on said fixed part; an intermediate connecting ring; tightening means arranged between the fixed part and the pivoting part; at least one control jack for moving the pivoting part operably associated therewith; and a multidirectional steering device comprising separated elastic elements arranged between the fixed part and the pivoting part of the nozzle, each elastic element further comprising two essentially parallel extended ends, the multidirectional steering device further comprising at least three sets wherein each set comprises two of said elements, uniformly distributed at the periphery of the nozzle, one of the ends of the elastic elements being integral with said intermediate connecting ring independent of the fixed part and pivoting part, the other end of each of the two elements being affixed on the fixed part and the pivoting part, respectively, of the nozzle.
Claim 2
Dependent Claim
159 words
A thrust-vectoring nozzle for a jet propulsion system comprising: a first fixed part connected with the propulsion system; a second pivoting part pivotably mounted on said fixed part; an intermediate connecting ring; tightening means arranged between the fixed part and the pivoting part; at least one control jack for moving the pivoting part operably associated therewith; and a multidirectional steering device comprising separated elastic elements arranged between the fixed part and the pivoting part of the nozzle, each elastic element further comprising two essentially parallel extended ends, the multidirectional steering device further comprising at least three sets wherein each set comprises two of said elements, uniformly distributed at the periphery of the nozzle, one of the ends of the elastic elements being integral with said intermediate connecting ring independent of the fixed part and pivoting part, the other end of each of the two elements being affixed on the fixed part and the pivoting part, respectively, of the nozzle.
Claim 3
Dependent Claim
45 words
A thrust-vectoring nozzle according to claim 1, the two-element sets comprising a flexible articulation mechanism comprising two planes of elastic elements, a first of which is fixed on the fixed part and a second of which is fixed on the pivoting part of the nozzle.
Claim 4
Dependent Claim
45 words
A thrust-vectoring nozzle according to claims 1 or 2, the multidirectional steering device further comprising at least three double sets of the two elastic elements and a control jack operably associated with each double set and arranged in a diametric plane equidistant from the sets.
Claim 5
Dependent Claim
25 words
A thrust-vectoring nozzle according to claims 1 or 2, the elastic elements comprising a stack of elastomer leaves and metal leaves adhering to one another.
Claim 6
Dependent Claim
15 words
A thrust-vectoring nozzle according to claim 4, the elastic elements comprising a rubber/light-alloy vulcanized laminate.
Claim 7
Dependent Claim
30 words
A thrust-vectoring nozzle according to claims 1 or 2, the elastic elements having the shape of a cylindrical-sector portion in a plane perpendicular to the axis of the propulsion system.
Claim 8
Dependent Claim
33 words
A thrust-vectoring nozzle according to claims 1 or 2, wherein the axes of each element in a set intersect at a point located inside the nozzle on the axis of the propulsion system.
Claim 9
Dependent Claim
18 words
A thrust-vectoring nozzle according to claims 1 or 2 or 3, the elastic elements comprising corrugated metal sheets.
Claim 10
Dependent Claim
49 words
A thrust-vectoring nozzle according to claims 1 or 2, the intermediate connecting ring having the shape of a squirrel cage consisting of at least two rings, the planes of which are essentially perpendicular to the axis of the propulsion system and joined by cross-bars uniformly distributed at their periphery.
Claim 11
Dependent Claim
55 words
A thrust-vectoring nozzle according to claims 1 or 2, the tightening means comprising at least one collar having a spherical face arranged at the periphery of the end of the fixed part and cooperating with the pivoting part and a spherical part of the nozzle, such parts having the same radius and center of curvature.
Claim 12
Dependent Claim
31 words
A thrust-vectoring nozzle according to claims 1 or 2, the tightening means comprising at least one flexible membrane fixed between the edges of the fixed and pivoting parts of the nozzle.
References Cited (Backward Citations)
US3094072A
Cited
US3182452A
Cited
US3090198A
Cited
DE1192058B
Cited
US3390899A
Cited
US3696999A
Cited
US3504903A
Cited
FR2199578A1
Cited
DE2639474A1
Cited
US4219156A
Cited
FR2408037A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-12-13 | 1986-06-14 | 1986-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-13 | 1990-06-14 | 1990-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-13 | 1994-06-14 | 1994-12-14 | $7700.00 | Window Closed / Lapsed |