Temperature probe with sapphire thermowell

Details Temperature probe with sapphire thermowell Temperature probe with sapphire thermowell

1998-04-20

2000-05-09

Bennett, G. Bradley

Thermal measuring and testing

Temperature measurement

By electrical or magnetic heat sensor

374185, 374208, 374139, G01K 108, G01K 112, G01K 702

Patent

active

060594535

ABSTRACT:
A temperature probe for measuring temperatures in a fluid contains a temperature responsive electrical element partially encased by a sapphire encasement. The sapphire encasement and the electrical element are further partially encased by a ceramic encasement that is exposed to the fluid. The ceramic encasement is permeable to certain gases to which the sapphire encasement is impermeable. A series of seals in the temperature probe prevents fluid from exiting through the temperature probe if the ceramic encasement and sapphire encasement are breached.

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