Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1985-11-15
1986-12-23
Yasich, Daniel M.
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
374138, 376247, G01N 2500
Patent
active
046309390
ABSTRACT:
This invention relates to an apparatus and process for measuring the temperature of a fluid environment within a vessel. The apparatus features a chamber which opens into the vessel and thus contains a portion of the fluid environment. Structure is provided for preventing substantial convective movement between the portion of the fluid environment within the chamber and the remainder of the fluid environment. A temperature sensing device is also provided which is movable from a position within the chamber to a position into the remainder of the fluid environment for obtaining a temperature measurement. The chamber is maintained at a temperature cooler than that of the fluid environment. This invention also relates to a process for the periodic measuring of the temperature of a fluid environment in a vessel. The process features locating at least a portion of a temperature sensing device in a chamber which opens into the fluid environment and which chamber is kept at a lower temperature than the fluid environment by maintaining that portion of the fluid environment within the chamber and the remainder of the fluid environment in the vessel whereby they are substantially free of convective movement with respect to one another.
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The Dow Chemical Company
Yasich Daniel M.
Young A. J.
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