Pressure detection safaty device

Pressure detection safaty device

CN
  • CN 1,250,897 C
  • Filed: 04/30/2002
  • Issued: 04/12/2006
  • Est. Priority Date: 10/30/2001
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of pressure detection safaty device has when the interior pressure abnormal ascending of small gas container, detects the plunger of its pressure, moves by it, can cut off fuel gas path,It is characterized in that,Described plunger is made of the parts that connect the pressure detection safaty device body, and described pressure detection safaty device body can slide in through hole simultaneously, and wherein, pressure detection safaty device has the compression zone of the interior pressure of accepting the small gas container;

  • The operating chamber that is positioned on the described fuel gas path is provided with outer seat portion and seat portion, and this outer seat portion contacts with described plunger and can cut off inside and outside the operating chamber, simultaneously, by installing the small gas container, can flow out outside operating chamber from the combustion gas that spray nozzle part flows out;

    Should in seat portion unusually the time, contact can cutting off inside and outside the operating chamber with the described plunger that retreats, and,Described plunger is provided with the constraint component that limits the plunger that retreats.

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