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Measuring instrument of the pressure in a combustor

  • US 20030051553A1
  • Filed: 08/08/2002
  • Published: 03/20/2003
  • Est. Priority Date: 08/27/2001
  • Status: Active Grant
First Claim
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1. A measuring instrument of the pressure in a combustor, the instrument having a pressure conduit inserted into the combustor, a pressure sensor mounted to the base end side of the pressure conduit for measuring by way of the pressure conduit the gas pressure in the combustor, and a damping tube mounted to the base end side of the pressure conduit for absorbing the resonance produced in accordance with the acoustic eigenvalue of the pressure conduit, wherein said pressure sensor is located at the position where the temperature is elevated by the heat from the combustor to equal to or above that of the boiling point of water at the pressure of the gas from the combustor, and said damping tube is provided extending around or in the direction of axis of at least one of said pressure sensor and/or pressure conduit contacting with the surface thereof to prevent condensation of moisture in the damping tube.

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