Wheeled personal transport device incorporating gas storage vessel comprising a polymeric container system for pressurized fluids
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United States of America Patent
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-
Jul 2, 2002
Grant Date -
N/A
app pub date -
Nov 1, 2000
filing date -
Nov 1, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A wheeled personal transport device, for example, a wheelchair, includes a pressure vessel for providing a portable supply of medicinal gas for a user of the transport device. The pressure vessel is formed from a plurality of polymeric hollow chamber having either en ellipsoidal or spherical shape and interconnected by a plurality of relatively narrow conduit sections disposed between consecutive ones of the chambers. The pressure vessel includes a reinforcing filament wrapped around the interconnected chambers and interconnecting conduit sections to limit radial expansion of the chambers and conduit sections when filled with a fluid under pressure. The container system further includes a fluid transfer control system attached to the pressure vessel for controlling fluid flow into and out of the pressure vessel and a gas delivery mechanism for delivering gas from the pressure vessel to a user in a breathable manner.
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Family
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