| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gas leak detection system which performs gas leak detection in a short time and without errors, even if there are variations and malfunctions in the regulator and the cutoff valve. <P>SOLUTION: The gas leak detection system for detecting gas leak in a gas circulation system comprises monitoring means (P2, 20) which cut off gas circulation in sections to be inspected (SV2 to SV3), which are the objects to be inspected concerning gas leak, and monitor the amount of state change of a gas in a transient state in the sections to be inspected, and inspection means (20) which performs gas leak inspection in the sections to be inspected, when the amount of state change of the gas becomes equal to or lower than a predetermined value. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
