Title:
GAS SHUT-OFF APPARATUS
Document Type and Number:
Japanese Patent JP2015225004
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a gas shut-off apparatus capable of preventing erroneous determination of inner tube leak.SOLUTION: The gas shut-off apparatus includes: a flow rate detection section 1; a flow rate calculation section 2; an abnormal flow determination section 3; a valve drive section 4; a valve 5; a small flow determination section 6; a period determination section 7; a segment average flow holding section 8; a one-day average flow holding section 9; and an external notification section 10. With this configuration, a gas leakage can be precisely detected by determining using a one-day average flow excluding a segment average flow which may be affected by breathing operation.
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Inventors:
OTANI TAKAHISA
IWAMOTO RYUJI
SHIOTA KAZUKI
IWAMOTO RYUJI
SHIOTA KAZUKI
Application Number:
JP2014110899A
Publication Date:
December 14, 2015
Filing Date:
May 29, 2014
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
G01F3/22
Attorney, Agent or Firm:
Kentaro Fujii
Kenji Kamada
Hiroo Maeda
Kenji Kamada
Hiroo Maeda