DE2545620A1 - Niveaumessung und -reglung - Google Patents

Niveaumessung und -reglung

Info

Publication number
DE2545620A1
DE2545620A1 DE19752545620 DE2545620A DE2545620A1 DE 2545620 A1 DE2545620 A1 DE 2545620A1 DE 19752545620 DE19752545620 DE 19752545620 DE 2545620 A DE2545620 A DE 2545620A DE 2545620 A1 DE2545620 A1 DE 2545620A1
Authority
DE
Germany
Prior art keywords
voltage
liquid
substance
electrodes
pump
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.)
Granted
Application number
DE19752545620
Other languages
German (de)
English (en)
Other versions
DE2545620C2 (US06605200-20030812-C00035.png
Inventor
Matheus Gijsbertus Jozef Arts
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.)
ASSELDONK ANTONIUS GERARDUS MARTINUS VON
MAAT JOHANNES AUGUSTINUS CATHARINUS MARIA DE
SPAAN JOZEF AUGUSTINUS ELISABETH
Original Assignee
ASSELDONK ANTONIUS GERARDUS MARTINUS VON
MAAT JOHANNES AUGUSTINUS CATHARINUS MARIA DE
SPAAN JOZEF AUGUSTINUS ELISABETH
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 ASSELDONK ANTONIUS GERARDUS MARTINUS VON, MAAT JOHANNES AUGUSTINUS CATHARINUS MARIA DE, SPAAN JOZEF AUGUSTINUS ELISABETH filed Critical ASSELDONK ANTONIUS GERARDUS MARTINUS VON
Publication of DE2545620A1 publication Critical patent/DE2545620A1/de
Application granted granted Critical
Publication of DE2545620C2 publication Critical patent/DE2545620C2/de
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3624—Level detectors; Level control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/78—Means for preventing overflow or contamination of the pumping systems
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3317—Electromagnetic, inductive or dielectric measuring means

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Automation & Control Theory (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Cardiology (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
DE19752545620 1974-10-14 1975-10-11 Niveaumessung und -reglung Granted DE2545620A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7413475A NL7413475A (nl) 1974-10-14 1974-10-14 Niveauregeling.

Publications (2)

Publication Number Publication Date
DE2545620A1 true DE2545620A1 (de) 1976-04-22
DE2545620C2 DE2545620C2 (US06605200-20030812-C00035.png) 1987-01-15

Family

ID=19822272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752545620 Granted DE2545620A1 (de) 1974-10-14 1975-10-11 Niveaumessung und -reglung

Country Status (6)

Country Link
US (1) US4092860A (US06605200-20030812-C00035.png)
JP (1) JPS5164958A (US06605200-20030812-C00035.png)
DE (1) DE2545620A1 (US06605200-20030812-C00035.png)
FR (1) FR2288345A1 (US06605200-20030812-C00035.png)
GB (1) GB1530623A (US06605200-20030812-C00035.png)
NL (1) NL7413475A (US06605200-20030812-C00035.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0289837A2 (en) * 1987-05-07 1988-11-09 Becton, Dickinson and Company Liquid level sensing device

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59187225A (ja) * 1983-04-06 1984-10-24 Kanbayashi Seisakusho:Kk 浴槽用水位報知装置
JPS60169719A (ja) * 1984-02-14 1985-09-03 Nippon Soken Inc 物理量検出装置
JPS6183916A (ja) * 1984-10-01 1986-04-28 Ebara Infilco Co Ltd 液体レベル検出装置
US4912976A (en) * 1987-06-26 1990-04-03 Beckman Instruments, Inc. Liquid level sensing apparatus
US4912407A (en) * 1987-07-30 1990-03-27 Allied-Signal Inc. Non-contacting inductively coupled displacement sensor system for detecting levels of conductive, non-magnetic liquids, and method of detecting levels of such liquids
WO1989001135A1 (en) * 1987-07-30 1989-02-09 Allied-Signal Inc. Sensor and method for detecting levels of conductive liquids
US4914041A (en) * 1988-02-12 1990-04-03 Beckman Instruments, Inc. Reagent and method for detecting rheumatoid factor
JPH0335430U (US06605200-20030812-C00035.png) * 1989-08-11 1991-04-08
WO2007048777A1 (en) * 2005-10-26 2007-05-03 Inergy Automotive Systems Research (Societe Anonyme) Capacitive gauge
US20080223128A1 (en) * 2005-10-26 2008-09-18 Inergy Automotive Systems Research Capacitive Gauge Comprising Interdigital Electrodes On An Insulating Substrate
FR2892509B1 (fr) * 2005-10-26 2007-12-21 Inergy Automotive Systems Res Jauge capacitive pour reservoir a carburant
EP1811274A1 (en) * 2006-01-19 2007-07-25 Whirlpool Corporation Water level measurement system
US20110056289A1 (en) * 2009-09-07 2011-03-10 Senghaas Karl A Floatless Rain Gauge
CH702195A1 (de) 2009-11-05 2011-05-13 Medela Holding Ag Drainagepumpeinheit
CH704423A1 (de) * 2011-01-17 2012-07-31 Medela Holding Ag Drainagepumpeinheit.
EP3536176B1 (en) * 2018-03-05 2023-06-07 InnoCigs GmbH & Co. KG Electronic cigarette provided with a fluid level sensor
BR112022016333A2 (pt) * 2020-02-18 2022-10-04 Apyx Medical Corp Dispositivos, sistemas e métodos para detectar, e discernir entre, tecido adiposo e muscular durante procedimentos médicos

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213439A (en) * 1962-02-16 1965-10-19 Duane E Atkinson Level indicating device with high frequency resonant probe
DE1288323B (de) * 1965-01-16 1969-01-30 Endress Hauser Gmbh Co Anordnung zur Ausloesung von Schaltvorgaengen in Abhaengigkeit von Kapazitaetsaenderungen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848616A (en) * 1965-05-18 1974-11-19 Santron Corp Fluid flow control systems
US3772531A (en) * 1971-11-22 1973-11-13 Creears T H Corp Method and control circuit for liquid level control systems
US4010650A (en) * 1974-12-26 1977-03-08 Ford Motor Company Apparatus for generating an electrical signal indicative of liquid level

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213439A (en) * 1962-02-16 1965-10-19 Duane E Atkinson Level indicating device with high frequency resonant probe
DE1288323B (de) * 1965-01-16 1969-01-30 Endress Hauser Gmbh Co Anordnung zur Ausloesung von Schaltvorgaengen in Abhaengigkeit von Kapazitaetsaenderungen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
H. F. Grave: Elektrische Messung nichtelektrischer Größen (1962), Seiten 478 - 481, S. 263 *
Paul M. Pflier: Elektrische Messung mechanischer Größen 1956, Seiten 81-88 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0289837A2 (en) * 1987-05-07 1988-11-09 Becton, Dickinson and Company Liquid level sensing device
EP0289837A3 (en) * 1987-05-07 1990-06-13 Becton, Dickinson and Company Liquid level sensing device

Also Published As

Publication number Publication date
NL7413475A (nl) 1976-04-20
FR2288345B3 (US06605200-20030812-C00035.png) 1979-06-29
GB1530623A (en) 1978-11-01
DE2545620C2 (US06605200-20030812-C00035.png) 1987-01-15
FR2288345A1 (fr) 1976-05-14
US4092860A (en) 1978-06-06
JPS5164958A (US06605200-20030812-C00035.png) 1976-06-04

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee