| 摘要 |
PURPOSE:To enable the removal of the effect of bending and a thermal stress when a thermocouple is mounted, by arranging a through hole to allow movable insertion of the thermocouple while an elastic part is formed at least at a part. CONSTITUTION:A sheathed thermocouple 15 is inserted into a hole provided in a high temperature wall 11 of an air tunnel and a thermocouple sound measuring section 15a is fixed with a spray coated body 19 of stainless steel or the like. A thermocouple support member 16 has a flange-shaped part 16b welded securely on an intermediate wall 14 of the air tunnel and the tip 16c thereof is soldered securely on the sheathed thermocouple 15 through an elastic section 16a. When bent for wiring, the sheathed thermocouple 15 is bent with the elastic section 16a of the thermocouple support member 16 at a gentle curvature, and hence, no disconnection by the bending occurs. In addition, the elastic section 16a of the thermocouple support member 16 exists between fixed points of the thermocouple support member 16 and the sheathed thermocouple 15, thereby allowing the absorbing of effect of a thermal stress by the elastic section 16a.
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