DE3475435D1 - An apparatus and method for accurately measuring temperature differences - Google Patents

An apparatus and method for accurately measuring temperature differences

Info

Publication number
DE3475435D1
DE3475435D1 DE8484200190T DE3475435T DE3475435D1 DE 3475435 D1 DE3475435 D1 DE 3475435D1 DE 8484200190 T DE8484200190 T DE 8484200190T DE 3475435 T DE3475435 T DE 3475435T DE 3475435 D1 DE3475435 D1 DE 3475435D1
Authority
DE
Germany
Prior art keywords
measuring temperature
temperature differences
accurately measuring
accurately
differences
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
Application number
DE8484200190T
Other languages
English (en)
Inventor
Johannes Laurentius Ant Koolen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DE3475435D1 publication Critical patent/DE3475435D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/32—Measuring temperature based on the expansion or contraction of a material the material being a fluid contained in a hollow body having parts which are deformable or displaceable

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
DE8484200190T 1983-02-14 1984-02-13 An apparatus and method for accurately measuring temperature differences Expired DE3475435D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8300553A NL8300553A (nl) 1983-02-14 1983-02-14 Inrichting en werkwijze voor het nauwkeurig meten van temperatuurverschillen.

Publications (1)

Publication Number Publication Date
DE3475435D1 true DE3475435D1 (en) 1989-01-05

Family

ID=19841416

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484200190T Expired DE3475435D1 (en) 1983-02-14 1984-02-13 An apparatus and method for accurately measuring temperature differences

Country Status (3)

Country Link
EP (1) EP0117580B1 (de)
DE (1) DE3475435D1 (de)
NL (1) NL8300553A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3908551A1 (de) * 1989-03-16 1990-09-20 Hoechst Ag Fuellmedium fuer fuehlersysteme von temperatur-weg-gebern

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR969188A (fr) * 1948-07-13 1950-12-15 Universal Mesure élément dilatable pour dispositifs thermostatiques et pneumatiques
DE1007078B (de) * 1956-01-14 1957-04-25 Erich Nickel Fluessigkeitsspannungs-Thermometer
FR1375548A (fr) * 1963-11-26 1964-10-16 Thermomètre différentiel à expansion de fluide
DE2613991C2 (de) * 1976-04-01 1977-10-27 Danfoss A/S, Nordborg (Danemark) Therniostatische Betätigungsvorrichtung für ein Heizmittelventil

Also Published As

Publication number Publication date
EP0117580B1 (de) 1988-11-30
NL8300553A (nl) 1984-09-03
EP0117580A1 (de) 1984-09-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee