Side-welded fast response sheathed thermocouple
Patent
·
OSTI ID:7254753
A method of fabricating the measuring junction of a grounded-junction sheathed thermocouple to obtain fast time response and good thermal cycling performance is provided. Slots are tooled or machined into the sheath wall at the measuring junction, the thermocouple wires are laser-welded into the slots. A thin metal closure cap is then laser-welded over the end of the sheath. Compared to a conventional grounded-junction thermocouple, the response time is 4--5 times faster and the thermal shock and cycling capabilities are substantially improved. 1 fig.
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 4251908; A
- Application Number:
- PPN: US 6-003558
- OSTI ID:
- 7254753
- Resource Relation:
- Patent File Date: 15 Jan 1979
- Country of Publication:
- United States
- Language:
- English
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