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
EP0648541B1 (de
EP0648541A2 (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

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B9/00Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/14Balancing rotary bowls ; Schrappers
    • B04B9/146Unbalance detection devices

Landscapes

  • Centrifugal Separators (AREA)
  • Testing Of Balance (AREA)
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, 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)

* 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
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

Similar Documents

Publication Publication Date Title
EP0648541A3 (de) Laborzentrifuge mit Unwuchtabschaltung.
US4761577A (en) Wheel-mounted electrical power generator
SE9401443D0 (sv) Zentrifugalseparator mit Schwerstanlauf
NL8006022A (nl) Viscosimeter.
ES2072164T3 (es) Procedimiento para la compensacion del desequilibrio en una rueda de automovil.
KR890015484A (ko) 히스테리시스 드레그컵 결합부를 가진 영구자석 모터
KR940006831A (ko) 구동축과 차축 입력 축의 결합된 조립체의 균형을 잡는 장치
WO1997033697A1 (en) Quill shaft suspension for centrifuge rotor
EP1344567A4 (de) Zentrigugalseparator mit analysator
AU5739198A (en) Electromotive wheel hub drive
TW262495B (de)
KR940018680A (ko) 편향 주사 장치
SI0776820T1 (en) Propeller propulsion unit for aircrafts in general
EP0642008A3 (de) Vorrichtung zum Antrieb einer Messspindel einer Auswuchtmaschine.
EP0166699A1 (de) Schaltung zur Nulldurchgangsfeststellung eines, mittels eines elektromagnetischen Fühlers in Form einer sich an einem Sensor vorbeidrehenden Nockenscheibe, erzeugten Signals
PL326138A1 (en) Transfering device for liquid and gaseous media, especially aspirating device, in particular a wet aspirator, pump or the like
TW341606B (en) Drive unit
CA2210332A1 (en) Centrifugal force drive machine
KR950017715A (ko) 컨베이어의 속도커버너 검사장치 및 그 검사방법
SU926543A1 (ru) Устройство дл динамической балансировки вращающихс деталей
SU1668885A1 (ru) Автобалансирующее устройство
DE59208266D1 (de) Prallmühle
RU2039959C1 (ru) Устройство для коррекции осевого дисбаланса динамически настраиваемых гироскопов
SU763798A1 (ru) Стенд угловых ускорений
SU922642A1 (ru) Центробежный стенд дл воспроизведени гармонических ускорений

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB IT LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19951123

17Q First examination report despatched

Effective date: 19990122

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB IT LI LU NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000223

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20000223

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 20000223

REF Corresponds to:

Ref document number: 189863

Country of ref document: AT

Date of ref document: 20000315

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20000223

REF Corresponds to:

Ref document number: 59409153

Country of ref document: DE

Date of ref document: 20000330

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20000523

ET Fr: translation filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20001011

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20001031

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
BERE Be: lapsed

Owner name: GERATEBAU EPPENDORF G.M.B.H.

Effective date: 20001031

REG Reference to a national code

Ref country code: CH

Ref legal event code: PUE

Owner name: EPPENDORF ZENTRIFUGEN GMBH TRANSFER- EPPENDORF AG

Ref country code: CH

Ref legal event code: PFA

Free format text: GERAETEBAU EPPENDORF GMBH TRANSFER- EPPENDORF ZENTRIFUGEN GMBH

Ref country code: CH

Ref legal event code: NV

Representative=s name: WILLIAM BLANC & CIE CONSEILS EN PROPRIETE INDUSTRI

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: EPPENDORF AG

Free format text: EPPENDORF AG#BARKHAUSENWEG 1#22339 HAMBURG (DE) -TRANSFER TO- EPPENDORF AG#BARKHAUSENWEG 1#22339 HAMBURG (DE)

REG Reference to a national code

Ref country code: CH

Ref legal event code: PCAR

Free format text: NOVAGRAAF SWITZERLAND SA;CHEMIN DE L'ECHO 3;1213 ONEX (CH)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20131021

Year of fee payment: 20

Ref country code: CH

Payment date: 20131021

Year of fee payment: 20

Ref country code: FR

Payment date: 20131022

Year of fee payment: 20

Ref country code: AT

Payment date: 20131011

Year of fee payment: 20

Ref country code: GB

Payment date: 20131021

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59409153

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20141010

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK07

Ref document number: 189863

Country of ref document: AT

Kind code of ref document: T

Effective date: 20141011

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20141010