Title:
GAS METER
Document Type and Number:
Japanese Patent JP3734213
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent sticking of valve rubber of isolation valve contained in a microcomputer gas meter to meter body in a long period closing state and the like.
SOLUTION: When an isolation valve contained in a gas meter is in closed state, sticking of the valve rubber to the meter body is prevented by opening and closing the isolation valve for a certain period (1 second in the figure) at a certain timing. In shipment mode until the gas meter is placed, by automatically opening the isolation valve, sticking of the valve rubber to the meter body is prevented.
Inventors:
Takeshi Numagami
Hayashi Hitoshi
Eiichi Oshima
Satoshi Ishiya
Hayashi Hitoshi
Eiichi Oshima
Satoshi Ishiya
Application Number:
JP26844599A
Publication Date:
January 11, 2006
Filing Date:
September 22, 1999
Export Citation:
Assignee:
Fuji Electric Holdings Co., Ltd.
Tokyo Gas Co., Ltd.
Takenaka Manufacturing Co., Ltd.
Tokyo Gas Co., Ltd.
Takenaka Manufacturing Co., Ltd.
International Classes:
G01F3/22; (IPC1-7): G01F3/22
Domestic Patent References:
| JP10232150A | ||||
| JP9133357A | ||||
| JP11132819A |
Attorney, Agent or Firm:
Iwao Yamaguchi
Yoshihide Komada
Kiyoshi Matsuzaki
Yoshihide Komada
Kiyoshi Matsuzaki