Compressed natural gas charging system

Details Compressed natural gas charging system Compressed natural gas charging system

1996-02-09

1998-09-29

Lee, Kevin

Fluid handling

Plural tanks or compartments with parallel flow

With manifold or grouped outlets

137341, 137528, F16K 1738

Patent

active

058134298

ABSTRACT:
A compressed natural gas charging system includes a gas charging passageway whose one end is capable of being connected to a compressed natural gas supply device capable of supplying a compressed natural gas and whose other end opens into a gas vessel, and a one-way valve incorporated in the gas charging passageway to permit the compressed natural gas to flow from the one end of the gas charging passage through the one-way valve toward the other end. In the compressed natural gas charging system, a constriction is provided in the gas charging passageway downstream of the one-way valve and has a constriction degree larger than that of the one-way valve. Thus, it is possible to prevent an excessive temperature drop due to the adiabatic expansion of the compressed natural gas from occurring across the one-way valve and to rapidly charge the compressed natural gas, and it is unnecessary to use an expensive material for a part of or constituting the one-way valve.

REFERENCES:
patent: 3837377 (1974-09-01), McJones
patent: 5628489 (1997-05-01), Woodman

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