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    • 7. 发明授权
    • Thermocouple instrument
    • 热电偶仪器
    • US4485263A
    • 1984-11-27
    • US419602
    • 1982-09-17
    • Masaru ItoyamaTakashi Kuze
    • Masaru ItoyamaTakashi Kuze
    • G01K1/08G01K7/02G01K7/04H01L35/02
    • G01K1/08
    • A thermocouple instrument which includes a thermocouple element formed of two dissimilar conductors joined at the ends thereof; an inner protecting metal tube for containing said thermocouple element together with an insulating material and electrically insulated from said thermocouple element via the insulating material; and an outer protecting metal tube in which said inner protecting metal tube is inserted. In this thermocouple instrument, the thermal expansion coefficient of the metal forming said inner protecting metal tube is equal to or higher than the thermal expansion coefficient of the metal forming said outer protecting tube, and accordingly the inner protecting metal tube is rigidly engaged within the outer protecting metal tube with excellent vibration resistance and impact resistance.
    • 一种热电偶仪器,其包括由在其端部连接的两个不同导体形成的热电偶元件; 用于将所述热电偶元件与绝缘材料一起容纳并经由绝缘材料与所述热电偶元件电绝缘的内部保护金属管; 以及外保护金属管,其中插入有所述内保护金属管。 在该热电偶仪器中,形成所述内保护金属管的金属的热膨胀系数等于或高于形成所述外保护管的金属的热膨胀系数,因此内保护金属管刚性接合在外护套 保护金属管具有优异的抗振动性和抗冲击性。