EP0648541A3 - Laborzentrifuge mit Unwuchtabschaltung. - Google Patents

Laborzentrifuge mit Unwuchtabschaltung. Download PDF

Info

Publication number
EP0648541A3
EP0648541A3 EP94115988A EP94115988A EP0648541A3 EP 0648541 A3 EP0648541 A3 EP 0648541A3 EP 94115988 A EP94115988 A EP 94115988A EP 94115988 A EP94115988 A EP 94115988A EP 0648541 A3 EP0648541 A3 EP 0648541A3
Authority
EP
European Patent Office
Prior art keywords
motor
stator
field strength
imbalance
laboratory centrifuge
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
EP94115988A
Other languages
English (en)
French (fr)
Other versions
EP0648541A2 (de
EP0648541B1 (de
Inventor
Bernd Keller
Matthias Meyer
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.)
Geratebau Eppendorf GmbH
Original Assignee
Geratebau Eppendorf 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 Geratebau Eppendorf GmbH filed Critical Geratebau Eppendorf GmbH
Publication of EP0648541A2 publication Critical patent/EP0648541A2/de
Publication of EP0648541A3 publication Critical patent/EP0648541A3/de
Application granted granted Critical
Publication of EP0648541B1 publication Critical patent/EP0648541B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/14—Balancing rotary bowls ; Schrappers
    • B04B9/146—Unbalance detection devices
EP94115988A 1993-10-15 1994-10-11 Laborzentrifuge mit Unwuchtabschaltung Expired - Lifetime EP0648541B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4335119A DE4335119C2 (de) 1993-10-15 1993-10-15 Laborzentrifuge mit Unwuchtabschaltung
DE4335119 1993-10-15

Publications (3)

Publication Number Publication Date
EP0648541A2 EP0648541A2 (de) 1995-04-19
EP0648541A3 true EP0648541A3 (de) 1995-09-20
EP0648541B1 EP0648541B1 (de) 2000-02-23

Family

ID=6500178

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94115988A Expired - Lifetime EP0648541B1 (de) 1993-10-15 1994-10-11 Laborzentrifuge mit Unwuchtabschaltung

Country Status (5)

Country Link
US (1) US5496254A (de)
EP (1) EP0648541B1 (de)
JP (1) JP3448113B2 (de)
AT (1) ATE189863T1 (de)
DE (2) DE4335119C2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3710001B2 (ja) * 1995-06-16 2005-10-26 日立工機株式会社 遠心分離機
US5955855A (en) * 1997-04-09 1999-09-21 Medar, Inc. Method and system for tuning a drive to its coupled motor to minimize motor resonance and sensing device for use therein
DE29712121U1 (de) * 1997-07-10 1997-09-11 Sigma Laborzentrifugen Gmbh Steuerungseinrichtung für eine Laborzentrifuge
US5800331A (en) * 1997-10-01 1998-09-01 Song; Jin Y. Imbalance detection and rotor identification system
JP3968960B2 (ja) * 1999-07-15 2007-08-29 日立工機株式会社 遠心機
US6379109B1 (en) 2000-05-12 2002-04-30 Roy F. Senior, Jr. Method and apparatus for detecting and removing obstructions in mechanical aerators
US6635007B2 (en) * 2000-07-17 2003-10-21 Thermo Iec, Inc. Method and apparatus for detecting and controlling imbalance conditions in a centrifuge system
US6350224B1 (en) 2000-07-17 2002-02-26 Westinghouse Savannah River Company, Llc Centrifugal unbalance detection system
US7055368B2 (en) * 2002-05-21 2006-06-06 Kendro Laboratory Products, Inc. Automatic calibration of an imbalance detector
JP4352844B2 (ja) * 2003-10-09 2009-10-28 日立工機株式会社 遠心機
US7635328B2 (en) * 2005-12-09 2009-12-22 Pacific Centrifuge, Llc Biofuel centrifuge
US7555933B2 (en) * 2006-08-01 2009-07-07 Thermo Fisher Scientific Inc. Method and software for detecting vacuum concentrator ends-of-runs
DE102011078475B4 (de) * 2011-06-30 2013-05-23 Hanning Elektro-Werke Gmbh & Co. Kg Dynamische Ausgleichsvorrichtung eines Rotationskörpers
DE102014102472B4 (de) * 2014-02-25 2021-04-22 Andreas Hettich Gmbh & Co. Kg Zentrifuge
DE102014116527B4 (de) * 2014-11-12 2020-01-23 Andreas Hettich Gmbh & Co. Kg Zentrifuge und Verfahren zur Erfassung von Unwuchten in der Zentrifuge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144195B (de) * 1960-03-17 1963-02-21 Reactor Centrum Nederland Einrichtung zum Anzeigen, Registrieren und Beeinflussen von Bewegungen der Rotationsachse und der Drehzahl des Rotors einer Zentrifuge
EP0082956A1 (de) * 1981-12-24 1983-07-06 Kontron-Holding Ag Einrichtung zur berührungslosen Unwuchtmessung
US4700117A (en) * 1985-05-31 1987-10-13 Beckman Instruments, Inc. Centrifuge overspeed protection and imbalance detection system
DE3935616A1 (de) * 1989-10-26 1991-05-02 Sigma Laborzentrifugen Gmbh Vorrichtung zur ueberwachung des betriebs von zentrifugen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE216868C (de) *
DE1780185U (de) * 1958-04-14 1958-12-24 Heinz Janetzki Zentrifuge mit senkrecht angeordnetem rotor.
US2895023A (en) * 1958-06-20 1959-07-14 Sorvall Inc Ivan Centrifuge deviation sensing switching mechanism
US3676723A (en) * 1970-03-02 1972-07-11 Bio Consultants Inc High speed centrifuge drive assembly
JPS539570U (de) * 1976-07-09 1978-01-26
US4214179A (en) * 1979-03-15 1980-07-22 Beckman Instruments, Inc. Rotor imbalance detector for a centrifuge
SU1156740A1 (ru) * 1982-10-19 1985-05-23 Специальное Конструкторское Бюро Биофизической Аппаратуры Устройство дл контрол работы ультрацентрифуги
GB8324913D0 (en) * 1983-09-17 1983-10-19 Fisons Plc Electrical detection device
FR2622290B1 (fr) * 1987-10-22 1990-03-30 Jouan Dispositif pour la detection du balourd d'une machine tournante, a partir d'un seuil predetermine
SU1704840A1 (ru) * 1988-07-18 1992-01-15 Московское научно-производственное объединение "Биофизприбор" Устройство дл контрол центрифуги
JPH0726669B2 (ja) * 1988-09-09 1995-03-29 日立工機株式会社 回転体の不つりあい検出方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144195B (de) * 1960-03-17 1963-02-21 Reactor Centrum Nederland Einrichtung zum Anzeigen, Registrieren und Beeinflussen von Bewegungen der Rotationsachse und der Drehzahl des Rotors einer Zentrifuge
EP0082956A1 (de) * 1981-12-24 1983-07-06 Kontron-Holding Ag Einrichtung zur berührungslosen Unwuchtmessung
US4700117A (en) * 1985-05-31 1987-10-13 Beckman Instruments, Inc. Centrifuge overspeed protection and imbalance detection system
DE3935616A1 (de) * 1989-10-26 1991-05-02 Sigma Laborzentrifugen Gmbh Vorrichtung zur ueberwachung des betriebs von zentrifugen

Also Published As

Publication number Publication date
EP0648541A2 (de) 1995-04-19
DE4335119C2 (de) 1997-11-20
JP3448113B2 (ja) 2003-09-16
DE59409153D1 (de) 2000-03-30
DE4335119A1 (de) 1995-04-20
US5496254A (en) 1996-03-05
EP0648541B1 (de) 2000-02-23
ATE189863T1 (de) 2000-03-15
JPH07275739A (ja) 1995-10-24

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