DE29613141U1 - Level sensor - Google Patents

Level sensor

Info

Publication number
DE29613141U1
DE29613141U1 DE29613141U DE29613141U DE29613141U1 DE 29613141 U1 DE29613141 U1 DE 29613141U1 DE 29613141 U DE29613141 U DE 29613141U DE 29613141 U DE29613141 U DE 29613141U DE 29613141 U1 DE29613141 U1 DE 29613141U1
Authority
DE
Germany
Prior art keywords
level sensor
sensor
level
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 - Lifetime
Application number
DE29613141U
Other languages
German (de)
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.)
GATTRINGER MICHAEL
NEIL SLOAN
Original Assignee
GATTRINGER MICHAEL
NEIL SLOAN
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 GATTRINGER MICHAEL, NEIL SLOAN filed Critical GATTRINGER MICHAEL
Priority to DE29613141U priority Critical patent/DE29613141U1/en
Publication of DE29613141U1 publication Critical patent/DE29613141U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/266—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
    • 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
    • G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
DE29613141U 1996-07-29 1996-07-29 Level sensor Expired - Lifetime DE29613141U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29613141U DE29613141U1 (en) 1996-07-29 1996-07-29 Level sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29613141U DE29613141U1 (en) 1996-07-29 1996-07-29 Level sensor

Publications (1)

Publication Number Publication Date
DE29613141U1 true DE29613141U1 (en) 1996-09-19

Family

ID=8027141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29613141U Expired - Lifetime DE29613141U1 (en) 1996-07-29 1996-07-29 Level sensor

Country Status (1)

Country Link
DE (1) DE29613141U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001175A1 (en) * 2007-01-05 2008-07-10 Siemens Ag Method and device for level measurement
CN110823316A (en) * 2019-10-25 2020-02-21 德阳市新泰自动化仪表有限公司 Capacitance signal detection circuit with interference shielding function

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1960648A1 (en) * 1969-12-03 1971-06-16 Franz Christl Level meter
DE2902545A1 (en) * 1979-01-24 1980-09-18 Akzo Gmbh THREAD WITH CONDUCTIVE LAYERS
DE3229874C2 (en) * 1981-08-27 1987-05-21 Nissan Motor Co., Ltd., Yokohama, Kanagawa, Jp
DE3336974C2 (en) * 1983-10-11 1987-07-09 Puskas Tivadar Mueszer- Es Gepipari Szoevetkezet, Budapest, Hu
DE3812687A1 (en) * 1988-04-16 1989-10-26 Duerrwaechter E Dr Doduco CAPACITIVE SENSOR FOR DETERMINING THE LEVEL OF A LIQUID IN A CONTAINER
DE4039006C1 (en) * 1990-12-06 1992-03-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
DE4135991C1 (en) * 1990-12-06 1992-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De Capacitance-frequency converter producing rectangular pulse train signal - has two changeover switches connected to respective plates of capacitor for connection to different potentials
DE4418134A1 (en) * 1994-05-25 1995-11-30 Bosch Gmbh Robert Capacitance measurement circuit esp. for tank level sensor of e.g. motor vehicle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1960648A1 (en) * 1969-12-03 1971-06-16 Franz Christl Level meter
DE2902545A1 (en) * 1979-01-24 1980-09-18 Akzo Gmbh THREAD WITH CONDUCTIVE LAYERS
DE3229874C2 (en) * 1981-08-27 1987-05-21 Nissan Motor Co., Ltd., Yokohama, Kanagawa, Jp
DE3336974C2 (en) * 1983-10-11 1987-07-09 Puskas Tivadar Mueszer- Es Gepipari Szoevetkezet, Budapest, Hu
DE3812687A1 (en) * 1988-04-16 1989-10-26 Duerrwaechter E Dr Doduco CAPACITIVE SENSOR FOR DETERMINING THE LEVEL OF A LIQUID IN A CONTAINER
DE4039006C1 (en) * 1990-12-06 1992-03-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
DE4135991C1 (en) * 1990-12-06 1992-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De Capacitance-frequency converter producing rectangular pulse train signal - has two changeover switches connected to respective plates of capacitor for connection to different potentials
DE4418134A1 (en) * 1994-05-25 1995-11-30 Bosch Gmbh Robert Capacitance measurement circuit esp. for tank level sensor of e.g. motor vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GRAVE,Ferdinand Hans: Elektrische Messung nichtelektrischer Größen, Akademische Verlagsgesellschaft Geest & Portig K.-G., Leipzig 1962, S.260-267 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007001175A1 (en) * 2007-01-05 2008-07-10 Siemens Ag Method and device for level measurement
CN110823316A (en) * 2019-10-25 2020-02-21 德阳市新泰自动化仪表有限公司 Capacitance signal detection circuit with interference shielding function
CN110823316B (en) * 2019-10-25 2021-10-01 德阳市新泰自动化仪表有限公司 Capacitance signal detection circuit with interference shielding function

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19961031

R163 Identified publications notified

Effective date: 19961031

R150 Term of protection extended to 6 years

Effective date: 19991004

R157 Lapse of ip right after 6 years

Effective date: 20030201