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Title:
TEMPERATURE SENSOR AND TEMPERATURE MEASURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/151166
Kind Code:
A1
Abstract:
This temperature sensor (1) is provided with: a pair of thermocouple wires (2); a temperature measurement contact point (3) at which the tips of the pair of thermocouple wires are joined; an outer tube (4) that accommodates the temperature measurement contact point (3) inside a tip part (401); an insulating material that insulates the pair of thermocouple wires (2) and the outer tube (4); and a glass sealing material (6) that is filled in a base end part (402) of the outer tube (4). A passive film (22) is formed on the surfaces of the pair of thermocouple wires disposed inside the outer tube (4) due to oxidation of a metal material on the surfaces of the pair of thermocouple wires (2).

Inventors:
SATO Motoki (1-1 Showa-cho, Kariya-cit, Aichi 61, 〒4488661, JP)
OGURA Takahiro (1-1 Showa-cho, Kariya-cit, Aichi 61, 〒4488661, JP)
Application Number:
JP2019/002626
Publication Date:
August 08, 2019
Filing Date:
January 28, 2019
Export Citation:
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Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
International Classes:
G01K1/10; G01K1/08
Foreign References:
US20070258506A12007-11-08
JPH06229837A1994-08-19
JP2015059865A2015-03-30
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (Meieki Nagata Building, 26-19 Meieki 3-chome, Nakamura-ku, Nagoya-sh, Aichi 02, 〒4500002, JP)
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