Measuring instrument of the pressure in a combustor

Details Measuring instrument of the pressure in a combustor Measuring instrument of the pressure in a combustor

2005-04-19

2005-04-19

McCall, Eric S. (Department: 2855)

Measuring and testing

Vehicle drive train

Rear end

Reexamination Certificate

active

06880391

ABSTRACT:
An instrument for measuring the pressure in a combustor having a pressure conduit inserted into the combustor, a pressure sensor for measuring the pressure in the combustor provided at a base end side of the pressure conduit, and a damping tube for absorbing a resonance produced in the pressure conduit in accordance with an acoustic eigenvalue of the pressure conduit. The damping tube is provided at the base end side of the conduit, in which the pressure sensor is located at a position where a temperature is elevated by heat from the combustor to a temperature equal to or above a boiling point of water at a concerned gas pressure. The damping tube is wound around the pressure sensor or pressure conduit (including the outer and inner surface of the conduit), and furthermore, heat-resisting, sound-absorbing material is provided in the pressure conduit.

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patent: 20030014219 (2003-01-01), Shimizu et al.
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patent: 2 037 993 (1980-07-01), None
patent: 6-331146 (1994-11-01), None

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