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Title:
AUTOMATIC RESET OPERATION METHOD FOR GAS CUT-OFF DEVICE
Document Type and Number:
Japanese Patent JP2009115404
Kind Code:
A
Abstract:

To provide an automatic reset operation method for a gas cut-off device improving safety when automatic reset operation at the occurrence of gas cut-off by a seismoscope sensor is based on detection not by an earthquake but by temporary impact.

Automatic reset operation at the occurrence of gas cut-off by the seismoscope sensor is started when receiving signals of vibration abnormality from a plurality of seismoscope sensors installed in adjacent areas, and if there is no abnormality of a flow measuring part, the seismoscope sensors and pressure sensors after opening a passage, reuse is permitted as it is, while when not receiving the signals, automatic reset operation is not started, and an informing part informs the outside to that effect.


Inventors:
MORIHANA HIDEAKI
OTANI TAKAHISA
KOBA YASUO
Application Number:
JP2007290319A
Publication Date:
May 28, 2009
Filing Date:
November 08, 2007
Export Citation:
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Assignee:
PANASONIC CORP
International Classes:
F23K5/00; F23N5/24; G05B9/02
Domestic Patent References:
JP2005188925A2005-07-14
JP2007017149A2007-01-25
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano