EP0648541A3 - Laborzentrifuge mit Unwuchtabschaltung. - Google Patents
Laborzentrifuge mit Unwuchtabschaltung. Download PDFInfo
- 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
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
Landscapes
- Centrifugal Separators (AREA)
- Testing Of Balance (AREA)
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)
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, 37520 Osterode | 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)
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)
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 |
-
1993
- 1993-10-15 DE DE4335119A patent/DE4335119C2/de not_active Expired - Lifetime
-
1994
- 1994-10-11 AT AT94115988T patent/ATE189863T1/de active
- 1994-10-11 DE DE59409153T patent/DE59409153D1/de not_active Expired - Lifetime
- 1994-10-11 EP EP94115988A patent/EP0648541B1/de not_active Expired - Lifetime
- 1994-10-13 JP JP27306994A patent/JP3448113B2/ja not_active Expired - Lifetime
- 1994-10-13 US US08/322,611 patent/US5496254A/en not_active Expired - Lifetime
Patent Citations (4)
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 |
---|---|
DE59409153D1 (de) | 2000-03-30 |
JP3448113B2 (ja) | 2003-09-16 |
EP0648541B1 (de) | 2000-02-23 |
ATE189863T1 (de) | 2000-03-15 |
US5496254A (en) | 1996-03-05 |
DE4335119A1 (de) | 1995-04-20 |
JPH07275739A (ja) | 1995-10-24 |
EP0648541A2 (de) | 1995-04-19 |
DE4335119C2 (de) | 1997-11-20 |
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