DE2013483C3 - Vorrichtung zum Messen und/oder Überwachen von Temperaturen, Niveauhöhen und/oder Strömungszuständen flüssiger oder gasförmiger Medien - Google Patents

Vorrichtung zum Messen und/oder Überwachen von Temperaturen, Niveauhöhen und/oder Strömungszuständen flüssiger oder gasförmiger Medien

Info

Publication number
DE2013483C3
DE2013483C3 DE19702013483 DE2013483A DE2013483C3 DE 2013483 C3 DE2013483 C3 DE 2013483C3 DE 19702013483 DE19702013483 DE 19702013483 DE 2013483 A DE2013483 A DE 2013483A DE 2013483 C3 DE2013483 C3 DE 2013483C3
Authority
DE
Germany
Prior art keywords
ptc thermistor
heat
serving
sensor
heat source
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
DE19702013483
Other languages
German (de)
English (en)
Other versions
DE2013483B2 (cg-RX-API-DMAC10.html
DE2013483A1 (de
Inventor
Harald Dipl.-Phys. Loebl
Rudolf Rossgotterer
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19702013483 priority Critical patent/DE2013483C3/de
Publication of DE2013483A1 publication Critical patent/DE2013483A1/de
Publication of DE2013483B2 publication Critical patent/DE2013483B2/de
Application granted granted Critical
Publication of DE2013483C3 publication Critical patent/DE2013483C3/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/688Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
    • G01F1/69Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/24Indicating 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
    • G01F23/246Indicating 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
    • G01F23/247Indicating 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)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
DE19702013483 1970-03-20 1970-03-20 Vorrichtung zum Messen und/oder Überwachen von Temperaturen, Niveauhöhen und/oder Strömungszuständen flüssiger oder gasförmiger Medien Expired DE2013483C3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19702013483 DE2013483C3 (de) 1970-03-20 1970-03-20 Vorrichtung zum Messen und/oder Überwachen von Temperaturen, Niveauhöhen und/oder Strömungszuständen flüssiger oder gasförmiger Medien

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702013483 DE2013483C3 (de) 1970-03-20 1970-03-20 Vorrichtung zum Messen und/oder Überwachen von Temperaturen, Niveauhöhen und/oder Strömungszuständen flüssiger oder gasförmiger Medien

Publications (3)

Publication Number Publication Date
DE2013483A1 DE2013483A1 (de) 1971-09-30
DE2013483B2 DE2013483B2 (cg-RX-API-DMAC10.html) 1973-09-20
DE2013483C3 true DE2013483C3 (de) 1974-04-18

Family

ID=5765789

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702013483 Expired DE2013483C3 (de) 1970-03-20 1970-03-20 Vorrichtung zum Messen und/oder Überwachen von Temperaturen, Niveauhöhen und/oder Strömungszuständen flüssiger oder gasförmiger Medien

Country Status (1)

Country Link
DE (1) DE2013483C3 (cg-RX-API-DMAC10.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845965C2 (de) * 1978-10-21 1983-01-20 Fritz Eichenauer GmbH & Co KG, 6744 Kandel Elektrisches Widerstandsheizelement
DE3046995C2 (de) * 1980-12-13 1988-09-08 C.S. Fudickar Kg, 5600 Wuppertal Elektrische Heizvorrichtung für beheizte Apparate, Haushaltsgeräte u.dgl.
FR2567642B1 (fr) * 1984-07-10 1989-08-04 Renault Capteur de debit de fluide a point de transition thermique
JPS61158684A (ja) * 1984-12-28 1986-07-18 株式会社村田製作所 筒形ヒ−タの組立方法
DE4017877C2 (de) * 1990-06-02 1996-07-25 Hiss Eckart Meßfühler zur Durchflußüberwachung eines strömenden Mediums

Also Published As

Publication number Publication date
DE2013483B2 (cg-RX-API-DMAC10.html) 1973-09-20
DE2013483A1 (de) 1971-09-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E771 Valid patent as to the heymanns-index 1977, willingness to grant licences
EHJ Ceased/non-payment of the annual fee