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US 4,376,227 AGranted
Thermocouple seal
OwnerW. Dwight Hilborninventor
Life of this patent
Estimating the term…
Abstract
A device for pressure sealing a reactor or thermowell extending therein comprising a disc having individual tubes welded thereto and sheathed thermocouples passing through such tubes and brazed thereto.
Claims9
A seal for use with a thermocouple assembly having a plurality of sheathed thermocouple leads, said seal comprising:
- a plate having a plurality of thermocouple receiving bores therethrough;
- tube means fixed in at least a plurality of said thermocouple receiving bores, each of said tube means having one end extending outwardly of said plate;
- and
- sheathed thermocouple leads extending through at least some of said tube means, each of said sheathed thermocouple leads being fixed to said one end of an associated tubes means.
1 more element
A device for sealingly closing an entry to a pressure vessel wherein said pressure vessel includes a thermocouple assembly, said assembly including a plurality of sheathed thermocouples, at least partially inserted within said vessel, said device comprising:
- plate means having a plurality of thermocouple-passing apertures for receiving individual ones of said sheathed thermocouples;
- tubes positioned within at least some of said apertures, each of said tubes having one end extending beyond said plate means;
- sheathed thermocouples passing through at least some of said tubes, each of said sheathed thermocouples being joined to said one end of an associated one of said tubes.
A method of fabricating a thermocouple seal comprising:
- positioning open-ended tubes within at least some apertures of a multi-apertured plate means such that one end of each of said tubes extends beyond said plate means;
- passing sheathed thermocouple means through each said tube;
- and
- brazing each said thermocouple means to said one end of an associated one of said tubes.
1 more element
Dependencies are inferred from the claim text.