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GAS METER AND GAS SAFETY SYSTEM

  • US 20110004353A1
  • Filed: 02/24/2009
  • Published: 01/06/2011
  • Est. Priority Date: 03/07/2008
  • Status: Active Grant
First Claim
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1. A gas meter comprising:

  • a flow measurement unit that measures a gas flow flowing through a gas flow passage;

    a flow computing unit that computes predetermined flow data in accordance with a flow value measured by the flow measurement unit;

    a function setting unit that sets arbitrary function among a plurality of functions as safety function pertaining to usage of a gas;

    a monitoring unit that monitors malfunction, which would arise during usage of a gas, pursuant to the safety function including function set by the function setting unit;

    a control unit that performs processing pertaining to the safety function when the monitoring unit detects malfunction; and

    a communication unit that establishes a communication with the monitoring center that monitors a gas supply in accordance with a command from the control unit, whereinthe control unit interrupts a gas supply when an event fulfilling operating conditions for the function set by the function setting unit has arisen and reports occurrence of malfunction pertaining to unset function to the monitoring center by means of the communication unit when an event fulfilling operating conditions for function not set by the function setting unit has arisen.

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