Title:
POWER SUPPLY CIRCUIT BREAKER UNIT WITH GAS DETECTION FUNCTION
Document Type and Number:
Japanese Patent JP2001145252
Kind Code:
A
Abstract:
To reduce costs by abbreviating the electrical wiring between a gas detection part including a gas sensor and a power supply circuit breaker.
A gas detection part 3 including a gas sensor 1 or the like while being installed in a gas piping space and a power supply circuit breaker unit 4 including a power supply circuit breaker 12 are installed separately, and radio communication circuits 17a and 17b are provided at each of them for communicating each other by radio, thus eliminating the need for electrical wiring and reducing costs.
Inventors:
NIRASAWA AKIHIRO
MORIIZUMI YOSHINOBU
SATOU NORITOMO
HIRAYAMA NORIYUKI
MORIIZUMI YOSHINOBU
SATOU NORITOMO
HIRAYAMA NORIYUKI
Application Number:
JP32250099A
Publication Date:
May 25, 2001
Filing Date:
November 12, 1999
Export Citation:
Assignee:
TOKYO GAS CO LTD
FUJI ELECTRIC CO LTD
FUJI ELECTRIC CO LTD
International Classes:
G08B17/10; G08B21/16; G08B25/10; H02H5/00; (IPC1-7): H02H5/00; G08B17/10; G08B21/16; G08B25/10
Attorney, Agent or Firm:
Iwao Yamaguchi (2 people outside)
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