会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 31. 发明公开
    • MARINE HOSE FLUID LEAKAGE DETECTION SYSTEM
    • EP3795974A1
    • 2021-03-24
    • EP20189562.0
    • 2020-08-05
    • THE YOKOHAMA RUBBER CO., LTD.
    • ISHIBASHI, Yusuke
    • G01M3/28
    • Object:
      Provided is a marine hose fluid leakage detection system that more reliably detects fluid leakage of a marine hose and reduces the work of confirming fluid leakage without the need to monitor battery life.
      Solution:
      When a fluid L flowing through a flow path 1a flows into the fluid retention layer 7 interposed between an inner peripheral side reinforcing layer 4 and an outer peripheral side reinforcing layer 5, the pressure P in a pressure holding chamber 20b of a casing 18 increases through a communication pipe 10 and a check valve 17, the pressure P is held by the check valve 17 and detected by a pressure sensor unit 15, a radio wave transmitter 21a arranged outside a marine hose 1a transmits a transmission radio wave W1 and a passive IC tag 12 transmits a return radio wave W2 in accordance with the transmission radio wave W1, a radio wave receiver 21b receives detected pressure data detected by the pressure sensor unit 15 and transmitted by the return radio wave W2, and whether there is leakage of the fluid L is determined based on the received detected pressure data.