System for sensing temperature at multiple points within a vessel
AssigneeDaily Thermetrics Corporation
InventorsJeffrey N. Daily, Robert F. Poteet, Michael W. Rahn, Larry D. Welch
Life of this patent
Estimating the term…
Abstract
A temperature sensing assembly utilizing a multipoint thermocouple. The assembly comprises a vessel, e.g. a chemical reaction pressure vessel, into which a thermocouple is inserted. The thermocouple utilizes an elongated sheath having a plurality of sensors therein. The sensors are arranged to detect temperature at a plurality of unique locations within the vessel.
Claims19
A temperature sensing assembly for use with a pressure vessel, comprising:
- a containment housing having a containment chamber therein;
- a thermocouple sheath disposed through the containment chamber such that a temperature sensing portion extends from the containment housing;
- and
- a temperature sensing mechanism disposed within the thermocouple sheath to sense temperature at a plurality of longitudinal locations along the thermocouple sheath, wherein the temperature sensing mechanism comprises a plurality of conductor pairs, each conductor pair having two conductors of dissimilar materials joined at a junction point, the junction points being disposed at separate lengthwise locations within the sheath.
A temperature sensing assembly, comprising:
- a high pressure chemical reaction vessel;
- a multipoint thermocouple comprising a plurality of conductor pairs separated from each other by an insulation material disposed within a single sheath such that temperature may be sensed at a plurality of unique longitudinal locations within the high pressure chemical reaction vessel, each conductor pair having two conductors of dissimilar materials joined at a junction point, the junction points being disposed at separate longitudinal locations within the sheath, wherein each conductor pair comprises at least one rod extending substantially along the entire length of the single sheath.
A method of sensing temperature at a plurality of locations within a pressure vessel, comprising:
- deploying a plurality of conductor pairs within a single sheath;
- separating the plurality of conductor pairs with a positioning material;
- extending the plurality of conductor pairs through a wall of the pressure vessel;
- deploying a containment chamber about the single sheath external to the pressure vessel such that the single sheath extends through the containment chamber, and
- joining each conductor pair at a unique longitudinal location within the single sheath.
Dependencies are inferred from the claim text.