AIR-PERMEABLE WATERPROOF FILTER AND GAS DETECTOR

PROBLEM TO BE SOLVED: To provide a gas-permeable waterproof filter and gas detector, which can be used for detecting gas in water under high pressure.SOLUTION: An air-permeable waterproof filter 4 is provided that is used in a gas detector 100 for use under high water pressure. The air-permeable wat...

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Bibliographische Detailangaben
Hauptverfasser: MATSUMOTO SHINICHI, FUKUCHI KENICHI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a gas-permeable waterproof filter and gas detector, which can be used for detecting gas in water under high pressure.SOLUTION: An air-permeable waterproof filter 4 is provided that is used in a gas detector 100 for use under high water pressure. The air-permeable waterproof filter 4 comprises a porous body 5 that is air-permeable and waterproof, and a support 6 that is air-permeable and arranged while stacking on he porous body 5 to support the porous body 5. The gas detector 100 detects gas in water under high water pressure. The gas detector 100 comprises: a housing 2 having therein a gas inlet flow channel 3 in communication with water under high pressure and a detection chamber 25 in communication with the gas inlet flow channel 3; the air-permeable waterproof filter 4 that is mounted in the gas inlet flow channel 3 to block inflow of water under high water pressure; and a gas sensitive body 1 located in the detection chamber 25.SELECTED DRAWING: Figure 1 【課題】高水圧下の水中のガスの検知に用いることができる透気性防水フィルター及びガス検知器を提案する。【解決手段】透気性防水フィルター4は、高水圧下で使用されるガス検知器100に用いられる透気性防水フィルター4である。透気性防水フィルター4は、透気性及び防水性を有する多孔質体5と、透気性を有し多孔質体5と重なって当該多孔質体5を支持する支持体6とを備える。ガス検知器100は、高水圧下の水中のガスを検知するガス検知器100である。ガス検知器100は、高水圧下の水中に通じるガス取込用流路3とこのガス取込用流路3に通じる検知室25とを内側に有するハウジング2と、高水圧下の水の浸入を遮断するようにガス取込用流路3に取り付けられた上述の透気性防水フィルター4と、検知室25に配置された感ガス体1とを備える。【選択図】図1