Projectile intended for damping a spacecraft and corresponding space delivery vehicle
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United States of America Patent
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Sep 15, 2020
Grant Date -
Sep 19, 2019
app pub date -
Nov 10, 2017
filing date -
Nov 10, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A projectile intended for damping a spacecraft (100) comprising a main body (110) and active attitude control means (150) comprises a harpoon and is intended to equip a space delivery vehicle to be projected towards the spacecraft. It comprises a passive damper (200) mounted such that it is fixed on the harpoon and suitable for generating, in cooperation with the Earth's magnetic field, a damping torque. That passive damper (200) comprises an outer enclosure (210) and an inner body (220) configured such that:
- the inner body, permanently magnetized, is positioned inside the outer enclosure and is capable of moving in rotation about at least one axis of rotation,the outer enclosure and the inner body comprise respectively an inner surface and an outer surface, separated by means of a viscous fluid,the outer enclosure is fixed to the main body of the spacecraft for rotation therewith once the harpoon is secured to the main body.
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