VECTORABLE VARIABLE FLOW AREA PROPULSION NOZZLE
Assignee
Filed
Jun 1, 1988
Granted
Jan 15, 1991
Location
JONESBORO GA US
Abstract
A vectorable propulsion nozzle has first and second ducts 10, 16 attached to each other by gimbal attachment means 18 to allow universal swivelling of vectoring in any lateral direction. The second duct 16 comprises a supporting ring 28 which has a plurality of guide means 36 in which arcuate ribs 41 are slidably mounted. Each rib 41 is formed integrally with a master flap 38 which together with slave flaps 44 define the geometry and outlet area of the nozzle. To facilitate varying the throat area of the nozzle the flaps 38, 44 are moved bodily along the guide means by actuators. The area of the nozzle can thus be altered independently of the swivelling of the second duct 16. The supporting ring 28 also has formed therein a plurality of openings 30 for thrust reversing which are uncovered when reverser doors 32 are deployed.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Dec 12, 1988
Rescinded
Oct 6, 1989
Duration
9 months
Inventor
- 1DOUGLAS J. NIGHTINGALE
Record Details
- Patent number
- US 4984741
- Application
- 00720085
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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