DE3209780C2 - - Google Patents

Info

Publication number
DE3209780C2
DE3209780C2 DE19823209780 DE3209780A DE3209780C2 DE 3209780 C2 DE3209780 C2 DE 3209780C2 DE 19823209780 DE19823209780 DE 19823209780 DE 3209780 A DE3209780 A DE 3209780A DE 3209780 C2 DE3209780 C2 DE 3209780C2
Authority
DE
Germany
Prior art keywords
temperature
limit switch
thermal limit
switch according
electrically heated
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
DE19823209780
Other languages
German (de)
English (en)
Other versions
DE3209780A1 (de
Inventor
Walter Dipl.-Phys. Dr. 7850 Loerrach De Kaestel
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.)
Endress and Hauser SE and Co KG
Original Assignee
Endress and Hauser SE and Co KG
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 Endress and Hauser SE and Co KG filed Critical Endress and Hauser SE and Co KG
Priority to DE19823209780 priority Critical patent/DE3209780A1/de
Publication of DE3209780A1 publication Critical patent/DE3209780A1/de
Application granted granted Critical
Publication of DE3209780C2 publication Critical patent/DE3209780C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Temperature (AREA)
DE19823209780 1982-03-17 1982-03-17 Thermischer grenzschalter Granted DE3209780A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823209780 DE3209780A1 (de) 1982-03-17 1982-03-17 Thermischer grenzschalter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823209780 DE3209780A1 (de) 1982-03-17 1982-03-17 Thermischer grenzschalter

Publications (2)

Publication Number Publication Date
DE3209780A1 DE3209780A1 (de) 1983-09-29
DE3209780C2 true DE3209780C2 (en, 2012) 1989-07-06

Family

ID=6158536

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823209780 Granted DE3209780A1 (de) 1982-03-17 1982-03-17 Thermischer grenzschalter

Country Status (1)

Country Link
DE (1) DE3209780A1 (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118952C2 (de) * 1990-06-10 2000-05-11 Eckart Hiss Füllstandssensor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403473A1 (de) * 1994-02-04 1995-08-31 Vdo Schindling Füllstandssensor
EP1039271A3 (de) * 1999-03-19 2003-09-10 Linde AG Füllstandsregelung für Flüssigkeiten in Druckbehältern
DE102017001169B4 (de) 2017-02-08 2019-01-17 Diehl Aviation Gilching Gmbh Heizgerät zur Wassererwärmung und Betriebsverfahren

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE869701C (de) * 1951-04-03 1953-03-05 Siemens Ag Anordnung zur Fluessigkeitsstandmessung mittels eines geheizten Widerstandes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118952C2 (de) * 1990-06-10 2000-05-11 Eckart Hiss Füllstandssensor

Also Published As

Publication number Publication date
DE3209780A1 (de) 1983-09-29

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee