DK286182A - Styrekredsloeb med auto-taerskel til langsom igangsaetning af en centrifuge - Google Patents

Styrekredsloeb med auto-taerskel til langsom igangsaetning af en centrifuge Download PDF

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Publication number
DK286182A
DK286182A DK286182A DK286182A DK286182A DK 286182 A DK286182 A DK 286182A DK 286182 A DK286182 A DK 286182A DK 286182 A DK286182 A DK 286182A DK 286182 A DK286182 A DK 286182A
Authority
DK
Denmark
Prior art keywords
centrifuge
steering circuit
charging
slow starting
field effect
Prior art date
Application number
DK286182A
Other languages
Danish (da)
English (en)
Inventor
D W Ginn
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of DK286182A publication Critical patent/DK286182A/da

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/24—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual AC commutator motor
    • 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
    • B04B9/10—Control of the drive; Speed regulating
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Centrifugal Separators (AREA)
  • Motor And Converter Starters (AREA)
DK286182A 1981-06-26 1982-06-24 Styrekredsloeb med auto-taerskel til langsom igangsaetning af en centrifuge DK286182A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/277,875 US4390825A (en) 1981-06-26 1981-06-26 Auto-threshold slow start control circuit for a centrifuge

Publications (1)

Publication Number Publication Date
DK286182A true DK286182A (da) 1982-12-27

Family

ID=23062741

Family Applications (1)

Application Number Title Priority Date Filing Date
DK286182A DK286182A (da) 1981-06-26 1982-06-24 Styrekredsloeb med auto-taerskel til langsom igangsaetning af en centrifuge

Country Status (8)

Country Link
US (1) US4390825A (de)
EP (1) EP0068113B1 (de)
JP (1) JPS589583A (de)
AT (1) ATE15117T1 (de)
CA (1) CA1174756A (de)
DE (1) DE3265576D1 (de)
DK (1) DK286182A (de)
GR (1) GR76160B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828395A (en) * 1985-02-21 1989-05-09 Yamato Scientific Company, Limited Continuous flow type homogenizer
US4913555A (en) * 1987-01-14 1990-04-03 Sanyo Electric Co., Ltd. Whipping machine
US5235864A (en) * 1990-12-21 1993-08-17 E. I. Du Pont De Nemours And Company Centrifuge rotor identification system based on rotor velocity
US6057972A (en) * 1995-11-03 2000-05-02 International Business Machines Corporation Current source for a magnetoresistive head with variability and selectable slew rate
FR2841302B1 (fr) * 2002-06-20 2004-07-30 Alstom Switzerland Ltd Procede de demarrage d'une turbine hydraulique et installation hydroelectrique permettant la mise en oeuvre de ce procede
CN101253678A (zh) * 2005-06-09 2008-08-27 阿布希谢克·辛格 控制电动机启动的开关系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1521653A (fr) * 1967-03-07 1968-04-19 Representation Electr Soc Gen Procédé et dispositif réglable de régulation où la variation d'une tension alternative est fonction d'une variable
US3914671A (en) * 1969-09-23 1975-10-21 Cableform Ltd Control means for electric motors operated from batteries
GB1502594A (en) 1971-01-20 1978-03-01 Dornier Ag Electric drive unit for high-speed appliances for example gas ultra-centrifuges
DE2435504A1 (de) * 1974-07-24 1976-02-05 Elektro Heiz Und Regeltechnik Anlaufstrombegrenzung in drehzahlstellern fuer motoren
US3962616A (en) * 1974-09-06 1976-06-08 Electronic Memories And Magnetics Corporation Start-up control for DC motors
SU529847A1 (ru) 1974-10-02 1976-09-30 Специальное Конструкторское Бюро Биофизической Аппаратуры Устройство дл контрол скорости вращени ротора ультрацентрифуги
US3970245A (en) * 1975-05-21 1976-07-20 Dr. Molter Gmbh Universal centrifuge
DE2703284C2 (de) * 1977-01-27 1986-09-18 J. & J. Marquardt, 7201 Rietheim-Weilheim Sanftanlaufschaltung für Elektromotore
FR2395638A1 (fr) * 1977-06-20 1979-01-19 Cii Honeywell Bull Systeme de commande d'un moteur electrique a courant continu et a excitation independante et charge constante
JPS6031191B2 (ja) * 1978-04-26 1985-07-20 ファナック株式会社 直流電動機の制御方式
US4339697A (en) * 1980-05-13 1982-07-13 Westinghouse Electric Corp. Propulsion motor control apparatus and method

Also Published As

Publication number Publication date
CA1174756A (en) 1984-09-18
US4390825A (en) 1983-06-28
GR76160B (de) 1984-08-03
EP0068113B1 (de) 1985-08-21
EP0068113A1 (de) 1983-01-05
JPS589583A (ja) 1983-01-19
ATE15117T1 (de) 1985-09-15
DE3265576D1 (en) 1985-09-26

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment
AHS Application shelved for other reasons than non-payment