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Method and apparatus for dispensing compressed gas

  • US 7,152,637 B2
  • Filed: 02/17/2005
  • Issued: 12/26/2006
  • Est. Priority Date: 02/17/2005
  • Status: Active Grant
First Claim
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1. A method for dispensing a compressed gas from a compressed gas source to a receiving tank comprising:

  • connecting a dispensing connector to the receiving tank;

    determining an initial equivalent density of the compressed gas in the receiving tank;

    selecting a target equivalent density for the receiving tank;

    calculating a predetermined quantity of compressed gas to be added to the receiving tank as a function of at least the target equivalent density and the initial equivalent density;

    transferring the compressed gas from the compressed gas source to the receiving tank while measuring an accumulated quantity of compressed gas transferred; and

    controlling the flow of the compressed gas as a function of the accumulated quantity and the predetermined quantity.

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