Variable-volume storage and dispensing apparatus for compressed natural gas
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United States of America Patent
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-
Oct 3, 1995
Grant Date -
N/A
app pub date -
Aug 11, 1993
filing date -
Aug 11, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A variable-volume compressed natural gas ('CNG') storage vessel connected to a line supplying pressurized natural gas is described. The vessel connects to a dispensing station having a connection head--a fitting that allows a vehicle tank quickly and easily to be interconnected with and disconnected from the dispensing station. When a vehicle tank is being filled, or alternatively when a storage vessel is being replenished from the gas supply line, a controller responds to the pressure within the storage vessel to vary the volume of that vessel.
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