Temperature sensor with improved thermal barrier and gas seal between the probe and housing

Patent · Tue Apr 28 00:00:00 EDT 1998

OSTI ID:644431

O`Connell, D P; Sumner, R C

A temperature sensor is disclosed comprising: a hollow tube with a first end and a second end, wherein the second end is closed sealing a cavity within the tube from an environment outside of the tube and wherein the first end has an exterior cylindrical surface; a temperature responsive sensing element within the tube proximate to the second end; a glass cylinder having an inner cylindrical surface in sealing engagement with the exterior cylindrical surface of the first end of the tube; and a sensor housing having an inner cylindrical cavity bounded by an inner cylindrical wall, wherein an outer cylindrical surface of the glass cylinder is sealingly engaged with the inner cylindrical wall. 1 fig.

• Research Organization: General Motors LLC, Detroit, MI (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC02-90CH10435
• Assignee: General Motors Corp., Detroit, MI (United States)
• Patent Number(s): US 5,743,646/A/
• Application Number: PAN: 8-675,312
• OSTI ID: 644431
• Resource Relation: Other Information: PBD: 28 Apr 1998
• Country of Publication: United States
• Language: English

Related Subjects

44 INSTRUMENTATION
INCLUDING NUCLEAR AND PARTICLE DETECTORS
DESIGN
TEMPERATURE MEASUREMENT
SEALS
THERMOMETERS