FR1552507A - - Google Patents

Info

Publication number
FR1552507A
FR1552507A FR1552507DA FR1552507A FR 1552507 A FR1552507 A FR 1552507A FR 1552507D A FR1552507D A FR 1552507DA FR 1552507 A FR1552507 A FR 1552507A
Authority
FR
France
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1552507A publication Critical patent/FR1552507A/fr
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
FR1552507D 1967-01-26 1968-01-26 Expired FR1552507A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0052108 1967-01-26

Publications (1)

Publication Number Publication Date
FR1552507A true FR1552507A (enExample) 1969-01-03

Family

ID=7053912

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1552507D Expired FR1552507A (enExample) 1967-01-26 1968-01-26

Country Status (3)

Country Link
US (1) US3485100A (enExample)
FR (1) FR1552507A (enExample)
GB (1) GB1149607A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2160210A5 (en) * 1971-11-10 1973-06-22 Impulsa Veb Kom Phase boundary determination - using change in thermal conductivity to continuously indicate boundary

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308823C3 (de) * 1973-02-22 1978-11-30 Kraftwerk Union Ag, 4330 Muelheim Niveaustandsmeßeinrichtung
US3905243A (en) * 1973-09-11 1975-09-16 Us Energy Liquid-level sensing device
US4299126A (en) * 1978-09-26 1981-11-10 Siemens Aktiengesellschaft Device for measuring the level of a liquid in a container
DE2903731C2 (de) * 1979-02-01 1983-03-10 Messer Griesheim Gmbh, 6000 Frankfurt Einrichtung zur Überwachung eines tiefkalten flüssigen Mediums
US4221632A (en) * 1979-04-03 1980-09-09 Weyerhaeuser Company Method and apparatus for determining the location of the chip level in a pulping digester
US4307606A (en) * 1979-06-11 1981-12-29 Johnson Hugh G Thermal transition zone sensing and indicating system
US4284878A (en) * 1979-08-20 1981-08-18 Bourns Medical Systems, Inc. Fluid level detector
DE2937042A1 (de) * 1979-09-13 1981-04-02 Vdo Adolf Schindling Ag, 6000 Frankfurt Fluessigkeitsstand-messeinrichtung
DE3022398A1 (de) * 1980-06-14 1982-01-07 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zum elektrischen ueberwachen des niveaus einer in einem behaelter enthaltenen fluessigkeit
DE3108969C2 (de) * 1981-03-10 1986-01-09 Draloric Electronic GmbH, 8672 Selb Elektrothermische Füllstandsanzeigevorrichtung
DE3115776A1 (de) * 1981-04-18 1983-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Thermoelektrische fuellstandsmesseinrichtung
DE3148533C2 (de) * 1981-12-08 1986-08-21 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Messung des Füllstandes in einem eine Flüssigkeit enthaltenden Behälter
US4521373A (en) * 1982-08-23 1985-06-04 General Electric Company Liquid level sensor
US4609913A (en) * 1985-02-22 1986-09-02 Wickes Manufacturing Company Fluid level sensor
US5117216A (en) * 1986-04-23 1992-05-26 Fluid Components, Inc. Distributed RTD
US5167153A (en) * 1986-04-23 1992-12-01 Fluid Components, Inc. Method of measuring physical phenomena using a distributed RTD
US4805454A (en) * 1986-08-11 1989-02-21 Levert Francis E Continuous fluid level detector
US5142909A (en) * 1986-09-29 1992-09-01 Baughman James S Material level indicator
US5134772A (en) * 1988-05-02 1992-08-04 Fluid Components, Inc. Method of making a U-shaped heated extended resistance temperature sensor
US5152049A (en) * 1988-05-02 1992-10-06 Fluid Components, Inc. Method of making a heated extended resistance temperature sensor
US4994780A (en) * 1988-05-02 1991-02-19 Fluid Components, Inc. Heated extended resistance temperature sensor, apparatus for sensing and method of making same
US5201223A (en) * 1988-05-02 1993-04-13 Fluid Components, Inc. Method of sensing fluid flow and level employing a heated extended resistance temperature sensor
US5111692A (en) * 1990-03-27 1992-05-12 Fluid Components, Inc. Temperature compensated liquid level and fluid flow sensor
US5438866A (en) * 1990-06-25 1995-08-08 Fluid Components, Inc. Method of making average mass flow velocity measurements employing a heated extended resistance temperature sensor
DE4113443C2 (de) * 1991-04-25 1994-08-25 Trilog Entwicklungsgesellschaf Vorrichtung zum Nachweis eines flüssigen oder gasförmigen Mediums
US5197329A (en) * 1992-05-22 1993-03-30 White Consolidated Industries, Inc. PTC water level sensor and control
US5782131A (en) * 1996-06-28 1998-07-21 Lord; Richard G. Flooded cooler with liquid level sensor
US6223595B1 (en) * 1998-06-04 2001-05-01 Illinois Tool Works Inc Resistive fluid level sensing and control system
US6301947B1 (en) * 1999-03-19 2001-10-16 Daimlerchrysler Corporation Fluid level indicator that compensates for fluid temperature
RU2170412C2 (ru) * 1999-06-21 2001-07-10 Научно-исследовательский институт химического машиностроения Способ определения уровня сыпучих или жидких сред в емкости
RU2170414C2 (ru) * 1999-06-21 2001-07-10 Научно-исследовательский институт химического машиностроения Способ определения уровня сыпучих или жидких сред в емкости
RU2170413C2 (ru) * 1999-06-21 2001-07-10 Научно-исследовательский институт химического машиностроения Способ определения уровня сыпучих или жидких сред в емкости
US6615658B2 (en) * 1999-08-03 2003-09-09 Charles Darwin Snelling Method and apparatus for detecting the internal liquid level in a vessel
US6948364B2 (en) * 1999-08-03 2005-09-27 Charles Snelling Apparatus for detecting the internal liquid level in a vessel
US6568263B1 (en) * 1999-08-03 2003-05-27 Charles Darwin Snelling Liquid level detector and system
US6767141B1 (en) * 2000-12-04 2004-07-27 Optical Communication Products, Inc. Optical interface unit
DE102008011193A1 (de) * 2008-02-26 2009-09-03 Areva Np Gmbh Elektrisches Heizelement
WO2025051438A1 (en) * 2023-09-04 2025-03-13 Grundfos Holding A/S A shaft sealing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878351A (en) * 1953-07-02 1959-03-17 Bendix Aviat Corp Heated thermistor
US2930232A (en) * 1955-07-20 1960-03-29 Morton F Spears Device for manifesting thermal boundaries
US3302458A (en) * 1963-10-09 1967-02-07 American Radiator & Standard Liquid level sensing device
GB1042188A (en) * 1963-10-09 1966-09-14 British Oxygen Co Ltd Liquid helium level gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2160210A5 (en) * 1971-11-10 1973-06-22 Impulsa Veb Kom Phase boundary determination - using change in thermal conductivity to continuously indicate boundary

Also Published As

Publication number Publication date
US3485100A (en) 1969-12-23
GB1149607A (en) 1969-04-23

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Legal Events

Date Code Title Description
ST Notification of lapse