Mechanical energy harvesting devices with safety and event detection for munitions and the like
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United States of America Patent
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May 30, 2023
Grant Date -
Sep 16, 2021
app pub date -
Jan 18, 2021
filing date -
Jan 20, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
An energy storage device including: a first movable member configured to be movable in one direction relative to a base; a first biasing member configured to bias the first movable member in a second direction opposed to the first direction; a plurality of second movable members, each movable towards an engagement surface of the first movable member when subjected to a predetermined acceleration event in a direction offset from the first direction; and wherein the engagement surface having a portion which when pressed causes a movement of the first movable member in the one direction against a biasing force of the first biasing member; and the plurality of second movable members are configured to sequentially engage the engagement surface upon an increasing acceleration of the base such that energy is stored in the first biasing member.
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