Title:
GAS METER
Document Type and Number:
Japanese Patent JP3457274
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a gas meter capable of reducing the cost by simplifying the manufacture and saving the material cost by the thinning of a valve seat.
SOLUTION: This gas meter comprises an upper case having a gas inflow port and gas outflow port formed therein and equipped with a valve mechanism formed of the valve seat 27 and a sector valve 29 reciprocating to the valve seat to distribute a gas run through the gas inflow port to a measuring chamber; and a lower case having the measuring chamber having a measuring film reciprocating by gas pressure. A bridge 25 for partially blocking a gas outlet passage is provided on the lower case 3, and a pivotal shaft 30 for rotatably supporting the sector valve is fixed to the bridge.
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Inventors:
Atsushi Ishizeki
Isamu Saito
Yasunobu Sato
Tomoaki Kasuya
Isamu Saito
Yasunobu Sato
Tomoaki Kasuya
Application Number:
JP2000315373A
Publication Date:
October 14, 2003
Filing Date:
October 16, 2000
Export Citation:
Assignee:
Kinmon Manufacturing Co., Ltd.
International Classes:
G01F3/22; (IPC1-7): G01F3/22
Domestic Patent References:
| JP613454Y2 |
Attorney, Agent or Firm:
Takehiko Suzue (5 outside)