Precharging gas meter having no need of working power-supply

Precharging gas meter having no need of working power-supply

CN
  • CN 2,440,203 Y
  • Filed: 09/15/2000
  • Issued: 07/25/2001
  • Est. Priority Date: 09/15/2000
  • Status: Active Grant
First Claim
Patent Images

1. , need not the prepaid gas meter, flow meter of working power, comprise the combustion gas base table, by-pass valve control, counter assembly, it is characterized in that:

  • also comprise the user data exchange control unit, inverted power motor and speed reduction unit control circuit, inverted power motor and speed reduction unit, probe portion, self-sustaining topworks, the output of user data exchange control unit connects inverted power motor and speed reduction unit control circuit as power supply signal, inverted power motor and speed reduction unit control circuit connect inverted power motor and speed reduction unit and probe portion respectively, inverted power motor and speed reduction unit and counter assembly join, and counter assembly joins by probe portion and self-sustaining topworks.

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