发明名称 |
GAS LEAK DETECTION DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To provide a gas leak detection device capable of specifying the location where gas is leaking. SOLUTION: This device has a vessel 106 filled with a first gas, an inlet pipe 105 for introducing a second gas leaking from a pipe 101 into the vessel 106, and aβ-ray source 107 and aβ-ray detector 108 installed so as to face opposite each other in the vessel 106. The distance between theβ-ray source 107 and theβ-ray detector 108 is set at the value between the range of theβ-ray in the first gas and the range of theβ-ray in the second gas.
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申请公布号 |
JP2002156306(A) |
申请公布日期 |
2002.05.31 |
申请号 |
JP20000352541 |
申请日期 |
2000.11.15 |
申请人 |
HITACHI LTD;HITACHI ENG CO LTD |
发明人 |
GAMO HIDEHO;HIRASHIMA TETSUYA;KOUCHI HIROSHI;ASANO TAMOTSU |
分类号 |
G01M3/20;(IPC1-7):G01M3/20 |
主分类号 |
G01M3/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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