Title:
GAS SUPPLY CONTROLLER, GAS USE ENABLING TIME DISPLAY UNIT, GAS USE ENABLING TIME DISPLAY METHOD, AND PROGRAM THEREFOR
Document Type and Number:
Japanese Patent JP2005043979
Kind Code:
A
Abstract:
To improve the convenience of a gas consumer by preventing useless gas shortage by precisely informing the gas consumer of a residual gas use enabling time.
A control means 13 calculates a gas use enabling time based on prepaid gas use enabling quantity set by a prepaid gas use enabling quantity setting means 15 and a current gas flow rate detected by a gas flow rate detecting means 11. A cut-off valve 12 interrupts gas flowing through a gas pipe when the calculated residual gas use enabling time is running out. A display means 16 displays the gas use enabling time calculated by the control means 13. Also, the control means 13 recalculates the gas use enabling time each time when changing the gas flow rate.
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Inventors:
TAMITSU TOSHIFUMI
Application Number:
JP2003200233A
Publication Date:
February 17, 2005
Filing Date:
July 23, 2003
Export Citation:
Assignee:
YAZAKI CORP
International Classes:
G07F7/08; G06Q50/00; G06Q50/06; G07F15/06; (IPC1-7): G07F7/08; G06F17/60; G07F15/06
Attorney, Agent or Firm:
Hideo Takino
Hiroshi Ochi
Sadao Matsumura
Isamu Kakiuchi
Hiroshi Ochi
Sadao Matsumura
Isamu Kakiuchi
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