GB1114874A - High temperature thermocouples - Google Patents
High temperature thermocouplesInfo
- Publication number
- GB1114874A GB1114874A GB3450465A GB3450465A GB1114874A GB 1114874 A GB1114874 A GB 1114874A GB 3450465 A GB3450465 A GB 3450465A GB 3450465 A GB3450465 A GB 3450465A GB 1114874 A GB1114874 A GB 1114874A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thermocouple
- thermocouples
- temperature
- joints
- butt joints
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/04—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
1,114,874. Thermocouples. GENERAL MOTORS CORPORATION. 12 May, 1967, No. 34504/65. Heading H1K. A high temperature thermocouple comprises a junction between a pair of different noble metal conductors the ends of which are connected to compensating leads. As shown, Fig. 1, a thermocouple assembly for measuring the temperature of the gas inlet to a gas turbine engine comprises an element 16 of 50% Pt, 40% Pd, 10% Au forming a junction 20 with an element 18 of 65% Au, 35% Pd. The ends of elements 16 and 18 are butt welded at 22 and 28 to a chromel conductor 26 and a nickeliron-manganese conductor 24 respectively. Two such thermocouples are contained in a stainless steel sleeve 15 from which they are insulated by a magnesium oxide mass 13. The noble metal thermocouple produces the same EMF as a thermocouple formed from the conductors 24, 26 at 1300‹ F., and in order to compensate for the voltages generated at butt joints 22, 28 these joints are maintained at 1300‹ F. by placing the thermocouple assembly at an appropriate distance into the gas stream, in which there is a transverse temperature gradient. The insulation (23) surrounding the butt joints (22, 28) may comprise beryllium oxide, Fig. 3 (not shown), and the butt joints may be staggered, Fig. 4 (not shown) to ensure that they are at the same temperature.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39785964A | 1964-09-21 | 1964-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1114874A true GB1114874A (en) | 1968-05-22 |
Family
ID=23572961
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3450465A Expired GB1114874A (en) | 1964-09-21 | 1967-05-12 | High temperature thermocouples |
GB689068A Expired GB1150396A (en) | 1964-09-21 | 1968-02-12 | Thermocouple System |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB689068A Expired GB1150396A (en) | 1964-09-21 | 1968-02-12 | Thermocouple System |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1573180A1 (en) |
GB (2) | GB1114874A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2124706B (en) * | 1982-08-04 | 1986-05-14 | Gen Electric | Gas turbine engine airflow temperature sensor |
US4991976A (en) * | 1989-05-31 | 1991-02-12 | Weed Instruments Company, Inc. | Temperature sensor probe apparatus and method for improving time response |
US4987749A (en) * | 1990-03-29 | 1991-01-29 | American Standard Inc. | Thermistor probe for exposed sensing element for direct immersion in refrigerant flows |
US5449234A (en) * | 1993-11-29 | 1995-09-12 | Caterpillar Inc. | Air temperature sensor |
US5427452A (en) * | 1994-01-10 | 1995-06-27 | Thiokol Corporation | Rugged quick-response thermocouple for use in evaluating gas generants and gas generators |
DE19508916A1 (en) * | 1995-03-11 | 1996-09-12 | Abb Management Ag | High temperature probe |
-
1965
- 1965-09-08 DE DE19651573180 patent/DE1573180A1/en active Pending
-
1967
- 1967-05-12 GB GB3450465A patent/GB1114874A/en not_active Expired
-
1968
- 1968-02-12 GB GB689068A patent/GB1150396A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1573180A1 (en) | 1970-10-22 |
GB1150396A (en) | 1969-04-30 |
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