Title:
膜式ガスメータ
Document Type and Number:
Japanese Patent JP6737573
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a membrane gas meter capable of reducing pressure loss of gas on an inlet side as much as possible.SOLUTION: A gas meter has a gas inflow path 6 formed inside an upper case 3 from an inlet port 4 formed to be exposed above a top wall of the upper case 3 of a gas meter body, and a valve seat 9 of an emergency shut-off valve, formed in the vicinity of a near-bottom portion of a side wall 6a of the gas inflow path 6 such that a part of an arc thereof overlaps with the side wall 6a of the gas inflow path 6, where a bottom surface 6b of the gas inflow path 6 is located at a level lower than the valve seat 9. Such an arrangement suppresses flow resistance and vortex flow of gas, thereby reducing pressure loss in the gas inflow path.SELECTED DRAWING: Figure 3
Inventors:
Masahiro Noto
Satoshi Ishiya
Tsutomu Nonaka
Katsuhisa Hanaki
Yasuhiro Yamamoto
Takaaki Yoshida
Satoshi Ishiya
Tsutomu Nonaka
Katsuhisa Hanaki
Yasuhiro Yamamoto
Takaaki Yoshida
Application Number:
JP2015171415A
Publication Date:
August 12, 2020
Filing Date:
August 31, 2015
Export Citation:
Assignee:
Takenaka Manufacturing Co., Ltd.
Aichi Clock Electric Co., Ltd.
Kansai Gas Meter Co., Ltd.
Aichi Clock Electric Co., Ltd.
Kansai Gas Meter Co., Ltd.
International Classes:
G01F3/22
Domestic Patent References:
| JP2001324368A | ||||
| JP2005283245A | ||||
| JP3255319A | ||||
| JP2015148525A | ||||
| JP2009121980A | ||||
| JP2010066105A | ||||
| JP2008268001A | ||||
| JP2005221316A | ||||
| JP10293050A | ||||
| JP7324955A |
Foreign References:
| US5654505 |
Attorney, Agent or Firm:
Hiroshi Ohashi
Hiroshi Ohashi
Hiroshi Ohashi