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Wing deployment actuator and locking mechanism

A technology of wing expansion and starter, applied in the direction of weapon types, offensive equipment, projectiles, etc., can solve problems such as long-term chemical stability concerns of explosives

Pending Publication Date: 2022-04-05
BAE SYST INFORMATION & ELECTRONICS SYST INTERGRATION INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this approach may be undesirable due to the violent forces developed by the explosives, and due to concerns about safety and the long-term chemical stability of the explosives during weapon storage

Method used

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  • Wing deployment actuator and locking mechanism
  • Wing deployment actuator and locking mechanism
  • Wing deployment actuator and locking mechanism

Examples

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Embodiment Construction

[0051] The present disclosure is a spring actuated wing deployment actuator that is compact, lightweight, reliable and simple in design. Additionally, the present design is a wing locking mechanism that holds the wings in their stowed configuration until they are deployed, further saving size and weight and further reducing complexity by eliminating any need for a separate locking mechanism.

[0052] It should be understood that the terms "wing" and "guidance wing" are used herein generally to refer to any wing, flaperon, fin, or other configuration intended to be stowed on a rocket or missile prior to, during, and after deployment A pivotal deployment that extends beyond the fuselage of a rocket or missile. It should also be understood that the terms "rocket" and "missile" are used interchangeably herein to refer broadly to any airborne system having an airframe in which the guidance wings are retracted prior to launch and The guidance wings are deployed over it during or af...

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PUM

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Abstract

A wing deployment activator initiates penetration of the missile guided wing into the frangible cover seal during wing deployment. The starter includes a central rotatable hub extending over a base plate. Blades extending from the hub prevent rotation of the associated fins by torque springs. Locking and deployment tabs extend from the fin into corresponding notches in the proximal end of the wing. The locking tab prevents the wing from unfolding until the central hub rotates, and then the fins are released, causing the unfolding tab to transfer unfolding energy from the torque spring to the wing. The hub may be rotated by electrically powered actuators such as solenoids or motors, or the blades may be rotationally offset such that feedback pressure from the fins applies torque to the hub and missile electronics may cause the wing control surface to inhibit hub rotation and then enable hub rotation by rocker links.

Description

[0001] Inventor: K.D. Cleveland technical field [0002] The present disclosure relates to ballistic weapons, and more particularly to devices for deploying guidance wings on folding fin aerial projectiles, rockets and missiles. Background technique [0003] Aerospace rockets, projectiles and missiles which include folding, deployable guidance wings or "flaperons" are well known. Modern examples include the Hydra 70 series WAFAR (Wraparound Fin Aero Rocket) and Laser guided missiles. figure 1 APKWS 106 is shown in flight with its guidance wings 110 deployed after being launched from attack helicopter 100 . Projectile 106 follows reflection 108 of laser beam 102 and is guided onto target 104 . [0004] With many of these weapons, the guidance wings or flaperons fold in a stowed configuration within the main fuselage and are held in place by a locking mechanism until the weapon is fired, at which point the locking mechanism releases the guidance wings so that they can be p...

Claims

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Application Information

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IPC IPC(8): F42B10/14
CPCF42B10/14F42B10/64
Inventor K·D·克利夫兰
Owner BAE SYST INFORMATION & ELECTRONICS SYST INTERGRATION INC
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