DE3148383C2 - - Google Patents

Info

Publication number
DE3148383C2
DE3148383C2 DE19813148383 DE3148383A DE3148383C2 DE 3148383 C2 DE3148383 C2 DE 3148383C2 DE 19813148383 DE19813148383 DE 19813148383 DE 3148383 A DE3148383 A DE 3148383A DE 3148383 C2 DE3148383 C2 DE 3148383C2
Authority
DE
Germany
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
DE19813148383
Other languages
German (de)
Other versions
DE3148383A1 (en
Inventor
Michael Ing.(Grad.) 6204 Taunusstein De Pohling
Helmut Dipl.-Ing. 8000 Muenchen De Rabl
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.)
Adam Opel GmbH
Original Assignee
Adam Opel GmbH
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 Adam Opel GmbH filed Critical Adam Opel GmbH
Priority to DE19813148383 priority Critical patent/DE3148383C2/de
Publication of DE3148383A1 publication Critical patent/DE3148383A1/en
Application granted granted Critical
Publication of DE3148383C2 publication Critical patent/DE3148383C2/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01F23/248Constructional details; Mounting of probes
    • 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
DE19813148383 1981-12-07 1981-12-07 Expired DE3148383C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813148383 DE3148383C2 (en) 1981-12-07 1981-12-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813148383 DE3148383C2 (en) 1981-12-07 1981-12-07

Publications (2)

Publication Number Publication Date
DE3148383A1 DE3148383A1 (en) 1983-06-16
DE3148383C2 true DE3148383C2 (en) 1989-11-23

Family

ID=6148088

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813148383 Expired DE3148383C2 (en) 1981-12-07 1981-12-07

Country Status (1)

Country Link
DE (1) DE3148383C2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991010116A1 (en) * 1989-12-28 1991-07-11 Hope Bjoern R A method and a device for determining the positions of boundary layers
DE19741892A1 (en) * 1997-09-23 1999-04-08 Mannesmann Vdo Ag Monitoring level and quality of e.g. hygroscopic brake fluid or motor oil with special reference to its boiling point

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339325A1 (en) * 1983-10-29 1985-05-09 Vdo Adolf Schindling Ag, 6000 Frankfurt DEVICE FOR ELECTRICALLY MEASURING A LIQUID LEVEL
US5142909A (en) * 1986-09-29 1992-09-01 Baughman James S Material level indicator
DE3824663A1 (en) * 1988-07-15 1989-01-05 Wolfgang Prof Dr Ing Thelen Device for continuous level measurement in liquids, by means of a chain of series- or parallel-connected, temperature-dependent resistors, which are heated by an electrical current
DE9101107U1 (en) * 1991-01-29 1991-08-22 Kroll, Dietrich, Dipl.-Ing., O-3018 Magdeburg, De
DE4434559C2 (en) * 1994-09-28 1999-09-02 Mannesmann Vdo Ag Method and arrangement for operating a level sensor
DE29618256U1 (en) * 1996-10-21 1996-12-12 Tank Security Vertriebs Gmbh Monitoring device for the filling level of tank systems
DE19905559C1 (en) * 1999-02-11 2000-08-10 Mannesmann Vdo Ag Liquid level sensor e.g. for automobile fuel tank or oil sump, has holder adjusted vertically for altering heights of horizontal sections of supported resistance heating wire for selecting monitored liquid levels
DE102004026396B4 (en) 2004-05-29 2007-10-31 Itw Automotive Products Gmbh & Co. Kg Device for measuring the level height and / or the temperature in a container
JP5583153B2 (en) * 2012-01-26 2014-09-03 株式会社東芝 Liquid level detection device and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2211606A (en) * 1939-02-08 1940-08-13 Gen Electric Liquid level indicator
DE813968C (en) * 1949-12-09 1951-09-17 Andreas Veigel Fa Remote liquid level indicator
DE1172870B (en) * 1960-04-22 1964-06-25 Max Planck Gesellschaft Method and device for determining the liquid level of low-boiling liquids
DE1178616B (en) * 1962-05-23 1964-09-24 Siemens Elektrogeraete Gmbh Electric state transmitter for the level of a liquid
DE1190881B (en) * 1964-04-07 1965-04-08 Endress & Hauser Ges Mit Besch Level indicator to avoid overfilling of tanks
DE2049834A1 (en) * 1970-10-10 1972-04-13 Klug F Thermistor liquid level indicator - with ptfe hose shrunk over thermistor and leads
DE2120290A1 (en) * 1971-04-26 1972-11-23 Fritz, Georg, 7129 Güglingen Device for displaying a liquid level
DE2132452C3 (en) * 1971-06-30 1979-02-01 Robert Bosch Gmbh, 7000 Stuttgart Device for measuring and checking liquid levels in containers
DE2213941C2 (en) * 1972-03-22 1984-03-29 Moto Meter Ag, 7250 Leonberg Measuring probe rod for the electrical detection of liquid levels
US4224606A (en) * 1979-03-21 1980-09-23 Honeywell Inc. Fluid level detector test switch

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991010116A1 (en) * 1989-12-28 1991-07-11 Hope Bjoern R A method and a device for determining the positions of boundary layers
GB2257792A (en) * 1989-12-28 1993-01-20 Hope Bjoern R A method and a device for determining the positions of boundary layers
GB2257792B (en) * 1989-12-28 1994-04-20 Hope Bjoern R A method and a device for determining the positions of boundary layers
DE19741892A1 (en) * 1997-09-23 1999-04-08 Mannesmann Vdo Ag Monitoring level and quality of e.g. hygroscopic brake fluid or motor oil with special reference to its boiling point
DE19741892C2 (en) * 1997-09-23 2001-07-12 Mannesmann Vdo Ag Method and device for determining the quantity and quality of a liquid

Also Published As

Publication number Publication date
DE3148383A1 (en) 1983-06-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: ADAM OPEL AG, 6090 RUESSELSHEIM, DE

D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee