DE2545620C2 - Vorrichtung zur Niveaumessung und -regelung - Google Patents
Vorrichtung zur Niveaumessung und -regelungInfo
- Publication number
- DE2545620C2 DE2545620C2 DE2545620A DE2545620A DE2545620C2 DE 2545620 C2 DE2545620 C2 DE 2545620C2 DE 2545620 A DE2545620 A DE 2545620A DE 2545620 A DE2545620 A DE 2545620A DE 2545620 C2 DE2545620 C2 DE 2545620C2
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- udf54
- liquid
- multiplier
- udf53
- 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
Links
- 238000005259 measurement Methods 0.000 title claims description 12
- 239000007788 liquid Substances 0.000 claims description 36
- 230000009969 flowable effect Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims description 2
- 238000007667 floating Methods 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 241001295925 Gegenes Species 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000036765 blood level Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000011477 surgical intervention Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Automation & Control Theory (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Control Of Non-Electrical Variables (AREA)
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 DE2545620A1 (de) | 1976-04-22 |
| DE2545620C2 true DE2545620C2 (de) | 1987-01-15 |
Family
ID=19822272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2545620A Expired DE2545620C2 (de) | 1974-10-14 | 1975-10-11 | Vorrichtung zur Niveaumessung und -regelung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4092860A (enExample) |
| JP (1) | JPS5164958A (enExample) |
| DE (1) | DE2545620C2 (enExample) |
| FR (1) | FR2288345A1 (enExample) |
| GB (1) | GB1530623A (enExample) |
| NL (1) | NL7413475A (enExample) |
Families Citing this family (18)
| 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 |
| CA1314409C (en) * | 1987-05-07 | 1993-03-16 | Randall W. Smith | Liquid level sensing device |
| US4912976A (en) * | 1987-06-26 | 1990-04-03 | Beckman Instruments, Inc. | Liquid level sensing apparatus |
| WO1989001135A1 (en) * | 1987-07-30 | 1989-02-09 | Allied-Signal Inc. | Sensor and method for detecting levels of conductive liquids |
| 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 |
| US4914041A (en) * | 1988-02-12 | 1990-04-03 | Beckman Instruments, Inc. | Reagent and method for detecting rheumatoid factor |
| JPH0335430U (enExample) * | 1989-08-11 | 1991-04-08 | ||
| BRPI0617815A2 (pt) * | 2005-10-26 | 2016-08-23 | Inergy Automotive Systems Res | medidor capacitivo, método para fabricar um medidor, e, uso de um medidor |
| FR2892509B1 (fr) * | 2005-10-26 | 2007-12-21 | Inergy Automotive Systems Res | Jauge capacitive pour reservoir a carburant |
| EP1943488A1 (en) * | 2005-10-26 | 2008-07-16 | Inergy Automotive Systems Research (Société A.) | Capacitive gauge |
| 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 |
| EP4106778A4 (en) * | 2020-02-18 | 2024-02-28 | APYX Medical Corporation | DEVICES, SYSTEMS AND METHODS FOR DETECTING AND DISTINCTING BETWEEN ADIPOSE TISSUE AND MUSCLE TISSUE DURING MEDICAL PROCEDURES |
Family Cites Families (5)
| 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 |
| 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 |
-
1974
- 1974-10-14 NL NL7413475A patent/NL7413475A/xx not_active Application Discontinuation
-
1975
- 1975-10-10 GB GB41698/75A patent/GB1530623A/en not_active Expired
- 1975-10-11 DE DE2545620A patent/DE2545620C2/de not_active Expired
- 1975-10-14 FR FR7531416A patent/FR2288345A1/fr active Granted
- 1975-10-14 US US05/622,398 patent/US4092860A/en not_active Expired - Lifetime
- 1975-10-14 JP JP50123723A patent/JPS5164958A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7413475A (nl) | 1976-04-20 |
| DE2545620A1 (de) | 1976-04-22 |
| FR2288345B3 (enExample) | 1979-06-29 |
| GB1530623A (en) | 1978-11-01 |
| JPS5164958A (enExample) | 1976-06-04 |
| FR2288345A1 (fr) | 1976-05-14 |
| US4092860A (en) | 1978-06-06 |
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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 |