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US 2026/0210770 A1Published application
An ultra-low precious metal thermocouple temperature sensor
OwnerJohn Justin GROSSIinventor
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Abstract
Disclosed is a temperature sensing device including a thermocouple having a pair of wires, a temperature measuring junction between the wires, and an insulator covering the wires and a. protective sheath. The protective sheath includes a sapphire tertiary sheath surrounding the wires, the temperature measuring junction, and the insulator of the thermocouple, a secondary sheath surrounding the tertiary sheath, and a primary sheath surrounding the secondary sheath.
Claims17
A temperature sensing device comprising:
- a thermocouple having a pair of wires, a temperature measuring junction between the wires, and an insulator covering the wires;
- and
- a protective sheath comprising:
- a tertiary sheath surrounding the wires, the temperature measuring junction, and the insulator of the thermocouple,
- a secondary sheath surrounding the tertiary sheath, and
- a primary sheath surrounding the secondary sheath;
- wherein the tertiary sheath contains sapphire.
4 more elements
A temperature sensing device comprising:
- a temperature sensor for measuring a temperature of an environment;
- and
- a protection means for protecting the temperature sensor comprising:
- a tertiary protection means surrounding the temperature sensor,
- a secondary protection means surrounding the tertiary protection means, and
- a primary protection means surrounding the secondary protection means;
- wherein the tertiary protection means contains sapphire.
4 more elements
Dependencies are inferred from the claim text.