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DE3574625D1 - Tachometer und rotornachweisvorrichtung fuer zentrifugen. - Google Patents

Tachometer und rotornachweisvorrichtung fuer zentrifugen.

Info

Publication number
DE3574625D1
DE3574625D1 DE8585901771T DE3574625T DE3574625D1 DE 3574625 D1 DE3574625 D1 DE 3574625D1 DE 8585901771 T DE8585901771 T DE 8585901771T DE 3574625 T DE3574625 T DE 3574625T DE 3574625 D1 DE3574625 D1 DE 3574625D1
Authority
DE
Germany
Prior art keywords
centrifuges
tachometer
detection device
rotor detection
rotor
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 - Fee Related
Application number
DE8585901771T
Other languages
English (en)
Inventor
Dennis Durbin
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.)
Beckman Coulter Inc
Original Assignee
Beckman Instruments Inc
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 Beckman Instruments Inc filed Critical Beckman Instruments Inc
Application granted granted Critical
Publication of DE3574625D1 publication Critical patent/DE3574625D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
    • B04B13/003—Rotor identification systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/907—Specific control circuit element or device
    • Y10S388/912—Pulse or frequency counter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/923—Specific feedback condition or device
    • Y10S388/933—Radiant energy responsive device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Centrifugal Separators (AREA)
DE8585901771T 1984-04-30 1985-03-18 Tachometer und rotornachweisvorrichtung fuer zentrifugen. Expired - Fee Related DE3574625D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/605,365 US4551715A (en) 1984-04-30 1984-04-30 Tachometer and rotor identification apparatus for centrifuges
PCT/US1985/000444 WO1985005186A1 (en) 1984-04-30 1985-03-18 Tachometer and rotor identification apparatus for centrifuges

Publications (1)

Publication Number Publication Date
DE3574625D1 true DE3574625D1 (de) 1990-01-11

Family

ID=24423369

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585901771T Expired - Fee Related DE3574625D1 (de) 1984-04-30 1985-03-18 Tachometer und rotornachweisvorrichtung fuer zentrifugen.

Country Status (5)

Country Link
US (1) US4551715A (de)
EP (1) EP0179800B1 (de)
JP (1) JPH0641956B2 (de)
DE (1) DE3574625D1 (de)
WO (1) WO1985005186A1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60236824A (ja) * 1984-05-09 1985-11-25 Sanden Corp 自動車用空調装置の圧縮機駆動制御装置
JPS61247921A (ja) * 1985-04-25 1986-11-05 Asahi Optical Co Ltd エンコ−ダの出力誤差検出装置
US4700117A (en) * 1985-05-31 1987-10-13 Beckman Instruments, Inc. Centrifuge overspeed protection and imbalance detection system
DE3542042C1 (de) * 1985-11-28 1987-01-02 Daimler Benz Ag Faseroptischer Sensor zur Erfassung der Bewegung oder Position eines Bauteils
FI864811L (fi) * 1985-12-11 1987-06-12 Kontron Holding Ag Centrifug.
DE3630312A1 (de) * 1986-09-05 1988-03-17 Thomson Brandt Gmbh Schaltungsanordnung zur elektronischen kommutierung eines gleichstrommotors
US5037371A (en) * 1986-12-10 1991-08-06 E. I. Du Pont De Nemours And Company Rotor recognition system
US4827197A (en) * 1987-05-22 1989-05-02 Beckman Instruments, Inc. Method and apparatus for overspeed protection for high speed centrifuges
US4808817A (en) * 1987-11-23 1989-02-28 Sundstrand Corporation Rotational acceleration detector with microdot coding
US4827196A (en) * 1987-12-03 1989-05-02 E. I. Du Pont De Nemours And Company Motor control arrangement
JPH083124Y2 (ja) * 1988-02-10 1996-01-29 株式会社椿本チエイン 走行体の速度制御装置
US4897603A (en) * 1988-02-29 1990-01-30 Siemens Aktiengesellschaft Arrangement for determining the speed and rotor position of an electric machine
US4857811A (en) * 1988-03-31 1989-08-15 E. I. Du Pont De Nemours And Company Evacuation pump control for a centrifuge instrument
US4853629A (en) * 1988-05-02 1989-08-01 Eaton Corporation Hall-Effect position sensing system and device
US5235864A (en) * 1990-12-21 1993-08-17 E. I. Du Pont De Nemours And Company Centrifuge rotor identification system based on rotor velocity
US5221250A (en) * 1991-01-07 1993-06-22 Beckman Instruments, Inc. Coding of maximum operating speed on centrifuge rotors and detection thereof
US5216245A (en) * 1991-10-04 1993-06-01 General Motors Corporation Multi-color optical shaft position sensor
DE4208059A1 (de) * 1992-03-13 1993-09-16 Hermle Berthold Maschf Ag Zentrifuge
US5338283A (en) * 1992-10-09 1994-08-16 E. I. Du Pont De Nemours And Company Centrifuge rotor identification system
JPH06206010A (ja) * 1992-12-14 1994-07-26 E I Du Pont De Nemours & Co 遠心分離ロータの認識および遠心分離機の制御システム
JP2514554B2 (ja) * 1992-12-28 1996-07-10 株式会社久保田製作所 遠心機
DE4420562C2 (de) * 1994-06-13 1999-11-18 Busch Dieter & Co Prueftech Drehzahlmeßgerät
US5509881A (en) * 1994-07-07 1996-04-23 Beckman Instruments, Inc. Centrifuge rotor identification and refrigeration control system based on windage
US5518493A (en) * 1994-07-07 1996-05-21 Beckman Instruments, Inc. Automatic rotor identification based on a rotor-transmitted signal
EP0868215B1 (de) * 1995-12-01 2002-01-30 Baker Hughes Incorporated Verfahren und vorrichtung zum regeln und überwachen einer durchlaufzentrifuge
US5649893A (en) * 1996-05-22 1997-07-22 Hitachi Koki Co., Ltd. Centrifugal apparatus having series-implemented protection means
KR100215458B1 (ko) * 1996-07-19 1999-08-16 윤종용 회전모터의 절대각위치 산출장치 및 이를 적용한 속도제어장치
US5800331A (en) * 1997-10-01 1998-09-01 Song; Jin Y. Imbalance detection and rotor identification system
GB2353886B (en) * 1999-12-08 2004-06-02 Seward Ltd Medical and/or laboratory equipment
US6368265B1 (en) 2000-04-11 2002-04-09 Kendro Laboratory Products, L.P. Method and system for energy management and overspeed protection of a centrifuge
US6350224B1 (en) * 2000-07-17 2002-02-26 Westinghouse Savannah River Company, Llc Centrifugal unbalance detection system
US6635007B2 (en) 2000-07-17 2003-10-21 Thermo Iec, Inc. Method and apparatus for detecting and controlling imbalance conditions in a centrifuge system
JP3951582B2 (ja) * 2000-10-06 2007-08-01 日立工機株式会社 遠心分離機
US6572523B2 (en) 2001-04-05 2003-06-03 Fleetguard, Inc. Centrifuge rotation indicator
US6589151B2 (en) * 2001-04-27 2003-07-08 Hitachi Koki Co., Ltd. Centrifugal separator capable of reading a rotor identification signal under different rotor rotation conditions
JP3956646B2 (ja) * 2001-05-21 2007-08-08 日立工機株式会社 遠心機
US20050017709A1 (en) * 2003-07-25 2005-01-27 Honeywell International Inc. Magnetoresistive turbocharger compressor wheel speed sensor
US20050122095A1 (en) * 2003-12-05 2005-06-09 Dooley Kevin A. Rotation sensor and method
FR2951965B1 (fr) * 2009-11-04 2012-04-06 Bms Internat Centrifugeuse integrant des moyens tachymetriques montes dans une partie superieure de l'enceinte, en particulier montes sur le couvercle
US8222760B2 (en) * 2010-06-29 2012-07-17 General Electric Company Method for controlling a proximity sensor of a wind turbine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462670A (en) * 1966-06-06 1969-08-19 Int Equipment Co Centrifuge and means to prevent overdriving its rotor
US3582699A (en) * 1969-06-12 1971-06-01 Damon Eng Inc Overspeed control for centrifuge
GB1325536A (en) * 1969-08-13 1973-08-01 Mse Holdings Ltd Centrifuges
US3746247A (en) * 1970-12-23 1973-07-17 Electro Nucleonics Ultracentrifuge with rotor speed identification
JPS54143665A (en) * 1978-04-28 1979-11-09 Nippon Denso Co Ltd Rotation information detector of engines
US4205261A (en) * 1978-07-13 1980-05-27 Beckman Instruments, Inc. Ultracentrifuge overspeed disk detection system

Also Published As

Publication number Publication date
US4551715A (en) 1985-11-05
JPS61502010A (ja) 1986-09-11
EP0179800B1 (de) 1989-12-06
EP0179800A4 (de) 1986-08-21
WO1985005186A1 (en) 1985-11-21
JPH0641956B2 (ja) 1994-06-01
EP0179800A1 (de) 1986-05-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee