DE68908924T2 - Linearmotor mit einer beweglichen Spule und mit einem Doppelkreis für den Magnetfluss. - Google Patents

Linearmotor mit einer beweglichen Spule und mit einem Doppelkreis für den Magnetfluss.

Info

Publication number
DE68908924T2
DE68908924T2 DE89301415T DE68908924T DE68908924T2 DE 68908924 T2 DE68908924 T2 DE 68908924T2 DE 89301415 T DE89301415 T DE 89301415T DE 68908924 T DE68908924 T DE 68908924T DE 68908924 T2 DE68908924 T2 DE 68908924T2
Authority
DE
Germany
Prior art keywords
magnetic flux
linear motor
moving coil
double circuit
double
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
DE89301415T
Other languages
English (en)
Other versions
DE68908924D1 (de
Inventor
Khalid Abdul Mawla
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE68908924D1 publication Critical patent/DE68908924D1/de
Application granted granted Critical
Publication of DE68908924T2 publication Critical patent/DE68908924T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Moving Of Heads (AREA)
DE89301415T 1988-03-14 1989-02-15 Linearmotor mit einer beweglichen Spule und mit einem Doppelkreis für den Magnetfluss. Expired - Fee Related DE68908924T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/168,057 US4882508A (en) 1988-03-14 1988-03-14 Dual flux path voice coil motor

Publications (2)

Publication Number Publication Date
DE68908924D1 DE68908924D1 (de) 1993-10-14
DE68908924T2 true DE68908924T2 (de) 1994-04-21

Family

ID=22609922

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89301415T Expired - Fee Related DE68908924T2 (de) 1988-03-14 1989-02-15 Linearmotor mit einer beweglichen Spule und mit einem Doppelkreis für den Magnetfluss.

Country Status (5)

Country Link
US (1) US4882508A (de)
EP (1) EP0333323B1 (de)
JP (1) JPH01234039A (de)
CA (1) CA1310118C (de)
DE (1) DE68908924T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296767A (en) * 1991-08-15 1994-03-22 Applied Magnetics Corporation Efficient magnetic motor armatures
US6134889A (en) * 1999-04-28 2000-10-24 Detroit Diesel Corporation Variable geometry turbocharging system and method
EP1378986A1 (de) * 2002-07-02 2004-01-07 Nti Ag Konstantkraftgeber
US7777600B2 (en) 2004-05-20 2010-08-17 Powerpath Technologies Llc Eddy current inductive drive electromechanical liner actuator and switching arrangement
TWI252961B (en) * 2004-08-04 2006-04-11 Delta Electronics Inc Magnetic dynamic diaphragm controller
CN101326605B (zh) * 2005-10-25 2011-07-27 埃玛泰克株式会社 电磁力驱动致动器以及使用该致动器的断路器
CN102130567A (zh) * 2011-01-21 2011-07-20 清华大学 一种音圈电机

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505544A (en) * 1968-02-09 1970-04-07 Data Products Corp Linear motor
US3723780A (en) * 1971-07-06 1973-03-27 Information Magnetics Corp Self shielding linear motor
US3889139A (en) * 1974-02-14 1975-06-10 Xerox Corp Linear motor actuator
IL58118A0 (en) * 1979-08-27 1979-12-30 Yeda Res & Dev Compressor and linear actuator
US4439699A (en) * 1982-01-18 1984-03-27 International Business Machines Corporation Linear moving coil actuator
US4456934A (en) * 1982-05-10 1984-06-26 Kollmorgen Technologies Corporation Linear positioning system
US4462054A (en) * 1982-05-19 1984-07-24 Sperry Corporation Disc drive electromagnetic actuator with enhanced flux density
JPS59113603A (ja) * 1982-12-20 1984-06-30 Nec Corp 可動コイル型駆動装置
US4546277A (en) * 1984-07-02 1985-10-08 Carbonneau Industries, Inc. Linear motor
JPS6185054A (ja) * 1984-09-29 1986-04-30 Hitachi Ltd 二磁路型ボイスコイルモ−タ
US4652779A (en) * 1984-10-30 1987-03-24 Magnetic Peripherals Inc. Center pole for rotary actuator coil with lowered inductance
JPS61203859A (ja) * 1985-03-04 1986-09-09 Mitsubishi Electric Corp 電磁式アクチユエ−タ
US4661729A (en) * 1986-02-03 1987-04-28 International Business Machines Corporation Voice coil motor magnet assembly
US4728830A (en) * 1986-06-04 1988-03-01 Sigma Instruments, Inc. Electric motor with magnetic enhancement
JPS63129848A (ja) * 1986-11-17 1988-06-02 Toshiba Corp リニア・アクチユエ−タ
JP2576346B2 (ja) * 1992-12-17 1997-01-29 鹿島建設株式会社 鋼材の撤去回収方法
JPH06295956A (ja) * 1993-04-08 1994-10-21 Nec Ic Microcomput Syst Ltd 自動レイアウトのセル配置法
JP3144946B2 (ja) * 1993-04-08 2001-03-12 沖電気工業株式会社 半導体装置

Also Published As

Publication number Publication date
DE68908924D1 (de) 1993-10-14
CA1310118C (en) 1992-11-10
EP0333323B1 (de) 1993-09-08
US4882508A (en) 1989-11-21
EP0333323A1 (de) 1989-09-20
JPH01234039A (ja) 1989-09-19
JPH0548066B2 (de) 1993-07-20

Similar Documents

Publication Publication Date Title
DE68909429T2 (de) Linearmotor mit beweglicher Spule.
DE3580186D1 (de) Linearmotor der bauart mit beweglicher spule.
GB2137021B (en) Electromagnetic linear actuator with one or more permanent magnet
DE3381512D1 (de) Ein magnetfeld hervorbringende heilvorrichtung.
IT1180825B (it) Valvola magnetica
IT1180826B (it) Valvola magnetica
DE3275617D1 (en) Linear moving coil actuator
DE69023190D1 (de) Anschlusszusammenbau für die Spule einer linearen Magnetkomponente.
GB2153080B (en) Magnetic field coil for nmr-ct
DE3675624D1 (de) Magnetspule.
DE69013227D1 (de) Magnetkern.
IT1175877B (it) Valvola magnetica
DE68908924T2 (de) Linearmotor mit einer beweglichen Spule und mit einem Doppelkreis für den Magnetfluss.
FR2574980B1 (fr) Aimant solenoidal a champ magnetique homogene
DE3884817T2 (de) Magnetisch anisotrope sintermagnete.
DE69018534T2 (de) Mehrspur-Magnetkopf mit grossem Feldkontrast.
GB2144918B (en) Magnetic coils
DE68918620D1 (de) Magnetfluss-Betriebsverfahren für einen Induktionsmotor.
DE68915054D1 (de) Bandantriebsvorrichtung für ein magnetisches Aufnahmegerät und Aufnahmegerät mit einer solchen Vorrichtung.
DE59303238D1 (de) Gehäuse für eine Magnetspule
FR2592519B1 (fr) Electro-aimant a bobines toriques concentriques
FR2544488B3 (fr) Indicateur a elements magnetiques
FR2552258B3 (fr) Noyau magnetique
DE9218475U1 (de) Magnetisches Material für Spulenkerne
IT8720539A0 (it) Bobina magnetica con attacco a innesto.

Legal Events

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