Title:
GAS ANALYZING DEVICE AND METHOD
Document Type and Number:
WIPO Patent Application WO/1999/053307
Kind Code:
A1
Abstract:
A gas analyzing device and method capable of positively detecting leakage in a short time and conducting analyzing in a stable condition, continuously, safely and with accuracy, the device comprising a sample gas introduction system (1 to 5) for introducing by switching a plurality of sample gases and an analyzer (6, 10, 14) provided with a means (9) for monitoring the concentration change of a sample gas component introduced before switching.
Inventors:
NISHINA AKIRA (JP)
KIKUCHI TSUTOMU (JP)
TANAKA MAKOTO (JP)
YOSHIDA HIDETOSHI (JP)
KIMIJIMA TETSUYA (JP)
KIKUCHI TSUTOMU (JP)
TANAKA MAKOTO (JP)
YOSHIDA HIDETOSHI (JP)
KIMIJIMA TETSUYA (JP)
Application Number:
PCT/JP1999/001858
Publication Date:
October 21, 1999
Filing Date:
April 08, 1999
Export Citation:
Assignee:
NIPPON OXYGEN CO LTD (JP)
NISHINA AKIRA (JP)
KIKUCHI TSUTOMU (JP)
TANAKA MAKOTO (JP)
YOSHIDA HIDETOSHI (JP)
KIMIJIMA TETSUYA (JP)
NISHINA AKIRA (JP)
KIKUCHI TSUTOMU (JP)
TANAKA MAKOTO (JP)
YOSHIDA HIDETOSHI (JP)
KIMIJIMA TETSUYA (JP)
International Classes:
G01N27/62; G01N1/00; G01N1/26; G01N30/02; G01N30/04; G01N30/26; G01N30/72; G01N30/88; H01J49/04; (IPC1-7): G01N27/62; G01N30/72; G01M3/04; G01N1/00; H01J49/04
Foreign References:
| JPH09184793A | 1997-07-15 | |||
| JPH0634616A | 1994-02-10 |
Attorney, Agent or Firm:
Kido, Kazuhiko (Kajicho 1-chome Chiyoda-ku Tokyo, JP)
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