Liner collapse mitigations for type IV conformable pressure vessels
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United States of America Patent
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Oct 1, 2024
Grant Date -
Nov 10, 2022
app pub date -
Jun 29, 2020
filing date -
Jun 28, 2019
priority date (Note) -
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Abstract
A type IV pressure vessel has improved permeate gas management. The pressure vessel comprises an inner polymeric liner, a breather layer disposed on the liner, and an outer composite shell structure disposed on the breather layer. The breather layer is gas permeable, impermeable to liquids, and provides a flow passageway for gas permeating through the liner wall collected by the breather layer. The outer composite shell is formed by one or more layers of fiber of a first fiber type and resin. Gas permeating from an interior space of the liner is received by the breather layer and directed to a predetermined exit location on the pressure vessel.
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