DE3737204A1 - Vorrichtung zum dosierten umfuellen von fluessigkeiten - Google Patents

Vorrichtung zum dosierten umfuellen von fluessigkeiten

Info

Publication number
DE3737204A1
DE3737204A1 DE19873737204 DE3737204A DE3737204A1 DE 3737204 A1 DE3737204 A1 DE 3737204A1 DE 19873737204 DE19873737204 DE 19873737204 DE 3737204 A DE3737204 A DE 3737204A DE 3737204 A1 DE3737204 A1 DE 3737204A1
Authority
DE
Germany
Prior art keywords
pipette
liquid
signal receiver
amplifier
signal transmitter
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
DE19873737204
Other languages
German (de)
English (en)
Other versions
DE3737204C2 (enExample
Inventor
Rolf Dipl Ing Amelung
Ernst-Aug Brakemeier
Helmut Becker
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.)
Heinrich Amelung GmbH
Original Assignee
Heinrich Amelung 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 Heinrich Amelung GmbH filed Critical Heinrich Amelung GmbH
Priority to DE19873737204 priority Critical patent/DE3737204A1/de
Publication of DE3737204A1 publication Critical patent/DE3737204A1/de
Application granted granted Critical
Publication of DE3737204C2 publication Critical patent/DE3737204C2/de
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/28—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
    • G01F11/284—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement combined with electric level detecting means
    • 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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Sampling And Sample Adjustment (AREA)
DE19873737204 1987-11-03 1987-11-03 Vorrichtung zum dosierten umfuellen von fluessigkeiten Granted DE3737204A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873737204 DE3737204A1 (de) 1987-11-03 1987-11-03 Vorrichtung zum dosierten umfuellen von fluessigkeiten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873737204 DE3737204A1 (de) 1987-11-03 1987-11-03 Vorrichtung zum dosierten umfuellen von fluessigkeiten

Publications (2)

Publication Number Publication Date
DE3737204A1 true DE3737204A1 (de) 1989-05-24
DE3737204C2 DE3737204C2 (enExample) 1990-08-30

Family

ID=6339642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873737204 Granted DE3737204A1 (de) 1987-11-03 1987-11-03 Vorrichtung zum dosierten umfuellen von fluessigkeiten

Country Status (1)

Country Link
DE (1) DE3737204A1 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993025914A1 (en) * 1992-06-08 1993-12-23 Behring Diagnostics, Inc. Liquid dispensing system
EP0619476A1 (de) * 1992-12-19 1994-10-12 Boehringer Mannheim Gmbh Vorrichtung zur Detektion einer Flüssigkeitphasengrenze in einem lichtdurchlässigen Messrohr
DE19649880A1 (de) * 1996-12-02 1998-06-04 Pfeiffer Wolfdietrich Verfahren und Vorrichtung zur Charakterisierung und Steuerung, chromatographischer Trennungen
EP1975629A1 (en) * 2007-03-30 2008-10-01 F.Hoffmann-La Roche Ag Method and apparatus for detecting contact of a pipetting needle with a liquid in a vessel
CN110494718A (zh) * 2017-03-16 2019-11-22 罗斯蒙特测量有限公司 振动元件装置中的改进或与振动元件装置有关的改进

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19830442B4 (de) * 1998-07-08 2004-04-29 Forschungszentrum Rossendorf E.V. Anordnung zur akustischen Volumenbestimmung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250147B (de) * 1964-01-20 1967-09-14 Philips Patentverwaltung Fuellstandsmesseinrichtung fuer Fluessigkeiten
FR2227514A1 (enExample) * 1973-04-30 1974-11-22 Schonenberger Peter
DE3219251A1 (de) * 1981-05-21 1983-01-05 Olympus Optical Co Restmengenfeststellvorrichtung
DE3228767C2 (de) * 1981-08-03 1985-12-12 Olympus Optical Co., Ltd., Tokio/Tokyo Vorrichtung zur Bestimmung der Grenzfläche zwischen Blutplasma und einer Blutkörperchen-Suspension

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250147B (de) * 1964-01-20 1967-09-14 Philips Patentverwaltung Fuellstandsmesseinrichtung fuer Fluessigkeiten
FR2227514A1 (enExample) * 1973-04-30 1974-11-22 Schonenberger Peter
DE3219251A1 (de) * 1981-05-21 1983-01-05 Olympus Optical Co Restmengenfeststellvorrichtung
DE3228767C2 (de) * 1981-08-03 1985-12-12 Olympus Optical Co., Ltd., Tokio/Tokyo Vorrichtung zur Bestimmung der Grenzfläche zwischen Blutplasma und einer Blutkörperchen-Suspension

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993025914A1 (en) * 1992-06-08 1993-12-23 Behring Diagnostics, Inc. Liquid dispensing system
US5465629A (en) * 1992-06-08 1995-11-14 Behring Diagnostics Inc. Liquid dispensing system with acoustic sensing means
EP0619476A1 (de) * 1992-12-19 1994-10-12 Boehringer Mannheim Gmbh Vorrichtung zur Detektion einer Flüssigkeitphasengrenze in einem lichtdurchlässigen Messrohr
US5463228A (en) * 1992-12-19 1995-10-31 Boehringer Mannheim Gmbh Apparatus for the detection of a fluid phase boundary in a transparent measuring tube and for the automatic exact metering of an amount of liquid
DE19649880A1 (de) * 1996-12-02 1998-06-04 Pfeiffer Wolfdietrich Verfahren und Vorrichtung zur Charakterisierung und Steuerung, chromatographischer Trennungen
DE19649880B4 (de) * 1996-12-02 2004-07-15 Pfeiffer, Wolfdietrich Verfahren und Vorrichtung zur Charakterisierung und Steuerung, chromatographischer Trennungen
EP1975629A1 (en) * 2007-03-30 2008-10-01 F.Hoffmann-La Roche Ag Method and apparatus for detecting contact of a pipetting needle with a liquid in a vessel
WO2008119425A1 (en) * 2007-03-30 2008-10-09 F. Hoffmann-La Roche Ag Method and apparatus for detecting contact of a pipetting needle with a liquid in a vessel
US8100007B2 (en) 2007-03-30 2012-01-24 Roche Diagnostics Operations, Inc. Method and apparatus for detecting contact of a pipetting needle with a liquid in a vessel
CN110494718A (zh) * 2017-03-16 2019-11-22 罗斯蒙特测量有限公司 振动元件装置中的改进或与振动元件装置有关的改进

Also Published As

Publication number Publication date
DE3737204C2 (enExample) 1990-08-30

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee