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Electronic Scale for Measuring Gas in Pressurized Cylinders Over a Wide Range of Capacities

  • US 20070193379A1
  • Filed: 10/11/2006
  • Published: 08/23/2007
  • Est. Priority Date: 02/21/2006
  • Status: Abandoned Application
First Claim
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1. A method for calculating a remaining time that gas remains in a cylinder, the method comprising the steps of:

  • receiving a weight of said cylinder when empty;

    calculating a total weight of said cylinder with said gas;

    calculating an actual tare weight of said gas in said cylinder using said total weight of said cylinder with said gas and said weight of said cylinder when empty; and

    calculating said remaining time said gas remains in said cylinder using a flow rate of said gas and said actual tare weight of said gas in said cylinder.

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