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.
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
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