NO753453L - - Google Patents

Info

Publication number
NO753453L
NO753453L NO753453A NO753453A NO753453L NO 753453 L NO753453 L NO 753453L NO 753453 A NO753453 A NO 753453A NO 753453 A NO753453 A NO 753453A NO 753453 L NO753453 L NO 753453L
Authority
NO
Norway
Prior art keywords
electrical
current
ferromagnetic material
conductors
varying
Prior art date
Application number
NO753453A
Other languages
English (en)
Norwegian (no)
Inventor
J M Jones
Original Assignee
Shell Int Research
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shell Int Research filed Critical Shell Int Research
Publication of NO753453L publication Critical patent/NO753453L/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/141—Arrangements for the insulation of pipes or pipe systems in which the temperature of the medium is below that of the ambient temperature
    • 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
    • G01K7/36—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils
    • G01K7/38—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils the variations of temperature influencing the magnetic permeability

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Hard Magnetic Materials (AREA)
NO753453A 1974-10-15 1975-10-13 NO753453L (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB44614/74A GB1526726A (en) 1974-10-15 1974-10-15 Method and apparatus for detecting temperature variation above or below a predetermined value

Publications (1)

Publication Number Publication Date
NO753453L true NO753453L (OSRAM) 1976-04-21

Family

ID=10434083

Family Applications (1)

Application Number Title Priority Date Filing Date
NO753453A NO753453L (OSRAM) 1974-10-15 1975-10-13

Country Status (8)

Country Link
JP (1) JPS5164980A (OSRAM)
CA (1) CA1064141A (OSRAM)
DE (1) DE2545812A1 (OSRAM)
FR (1) FR2288303A1 (OSRAM)
GB (1) GB1526726A (OSRAM)
NL (1) NL7511992A (OSRAM)
NO (1) NO753453L (OSRAM)
SE (1) SE7511451L (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5201583A (en) * 1989-08-17 1993-04-13 British Technology Group Limited Temperature history indicator
GB8918774D0 (en) * 1989-08-17 1989-09-27 Nat Res Dev Temperature llistory indicator
DE4207493A1 (de) * 1992-03-10 1993-11-18 Telefunken Microelectron Vorrichtung zur berührungslosen Überwachung der Temperatur eines Meßkörpers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3060418A (en) * 1959-10-09 1962-10-23 Ibm Core array temperature responsive apparatus
US3727053A (en) * 1971-05-03 1973-04-10 R Walser Method and apparatus for detecting radiation by means of the pyromagnetic effect

Also Published As

Publication number Publication date
NL7511992A (nl) 1976-04-21
JPS5164980A (OSRAM) 1976-06-04
FR2288303B1 (OSRAM) 1979-05-11
DE2545812A1 (de) 1976-04-29
GB1526726A (en) 1978-09-27
SE7511451L (sv) 1976-04-20
CA1064141A (en) 1979-10-09
FR2288303A1 (fr) 1976-05-14

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