WO2000044084A3 - An electric motor - Google Patents

An electric motor Download PDF

Info

Publication number
WO2000044084A3
WO2000044084A3 PCT/SE2000/000138 SE0000138W WO0044084A3 WO 2000044084 A3 WO2000044084 A3 WO 2000044084A3 SE 0000138 W SE0000138 W SE 0000138W WO 0044084 A3 WO0044084 A3 WO 0044084A3
Authority
WO
WIPO (PCT)
Prior art keywords
permanent magnets
pole teeth
airgap
rotor
actuator
Prior art date
Application number
PCT/SE2000/000138
Other languages
French (fr)
Other versions
WO2000044084A2 (en
Inventor
Lennart Stridsberg
Original Assignee
Stridsberg Innovation Ab
Lennart Stridsberg
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
Priority claimed from SE9900204A external-priority patent/SE9900204D0/en
Priority claimed from SE9902726A external-priority patent/SE9902726D0/en
Priority claimed from SE9902884A external-priority patent/SE9902884D0/en
Priority claimed from SE9903025A external-priority patent/SE9903025D0/en
Priority claimed from SE9903784A external-priority patent/SE9903784D0/en
Priority claimed from SE9904188A external-priority patent/SE9904188D0/en
Priority claimed from SE9904600A external-priority patent/SE9904600D0/en
Priority claimed from SE0000068A external-priority patent/SE0000068D0/en
Priority to AU23405/00A priority Critical patent/AU2340500A/en
Priority to US09/889,784 priority patent/US6921999B1/en
Application filed by Stridsberg Innovation Ab, Lennart Stridsberg filed Critical Stridsberg Innovation Ab
Publication of WO2000044084A2 publication Critical patent/WO2000044084A2/en
Publication of WO2000044084A3 publication Critical patent/WO2000044084A3/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K26/00—Machines adapted to function as torque motors, i.e. to exert a torque when stalled
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means

Abstract

An electromagnetic rotary actuator is driven by a single-phase voltage. Permanent magnets on a rotor interact over a part-cylindrical small airgap with a soft-iron stator having pole teeth which carry at least one winding (906a, 906b; 907a, 907b; 908a, 908b) for rotating the rotor within a limited angular range, the airgap having a high flux density. The windings are applied around those of the pole teeth which are centrally located. The permanent magnets and stator poles have the same angular pitch. The actuator is compact having a low total length and has a high output power/loss ratio and allows a fast response. It can be built with a low thermal resistance to an enclosure or casing by having the coils being in direct mechanical contact therewith.
PCT/SE2000/000138 1999-01-21 2000-01-21 An electric motor WO2000044084A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US09/889,784 US6921999B1 (en) 1999-01-21 2000-01-21 Electric motor
AU23405/00A AU2340500A (en) 1999-01-21 2000-01-21 An electric motor

Applications Claiming Priority (16)

Application Number Priority Date Filing Date Title
SE9900204-0 1999-01-21
SE9900204A SE9900204D0 (en) 1999-01-21 1999-01-21 Electric motor
SE9902726A SE9902726D0 (en) 1999-07-14 1999-07-14 Electric motor
SE9902726-0 1999-07-14
SE9902884-7 1999-08-10
SE9902884A SE9902884D0 (en) 1999-08-10 1999-08-10 "Electric motor"
SE9903025-6 1999-08-25
SE9903025A SE9903025D0 (en) 1999-08-25 1999-08-25 "Electric motor"
SE9903784A SE9903784D0 (en) 1999-10-17 1999-10-17 Electric motor
SE9903784-8 1999-10-17
SE9904188-1 1999-11-17
SE9904188A SE9904188D0 (en) 1999-11-17 1999-11-17 Electric motor
SE9904600A SE9904600D0 (en) 1999-12-12 1999-12-12 Electric motor
SE9904600-5 1999-12-12
SE0000068A SE0000068D0 (en) 2000-01-09 2000-01-09 Electric motor
SE0000068-7 2000-01-09

Publications (2)

Publication Number Publication Date
WO2000044084A2 WO2000044084A2 (en) 2000-07-27
WO2000044084A3 true WO2000044084A3 (en) 2000-11-02

Family

ID=27573838

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2000/000138 WO2000044084A2 (en) 1999-01-21 2000-01-21 An electric motor

Country Status (2)

Country Link
AU (1) AU2340500A (en)
WO (1) WO2000044084A2 (en)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7648468B2 (en) 2002-04-19 2010-01-19 Pelikon Technologies, Inc. Method and apparatus for penetrating tissue
US7674232B2 (en) 2002-04-19 2010-03-09 Pelikan Technologies, Inc. Method and apparatus for penetrating tissue
US7708701B2 (en) 2002-04-19 2010-05-04 Pelikan Technologies, Inc. Method and apparatus for a multi-use body fluid sampling device
US7717863B2 (en) 2002-04-19 2010-05-18 Pelikan Technologies, Inc. Method and apparatus for penetrating tissue
US7901362B2 (en) 2002-04-19 2011-03-08 Pelikan Technologies, Inc. Method and apparatus for penetrating tissue
US8690796B2 (en) 2002-04-19 2014-04-08 Sanofi-Aventis Deutschland Gmbh Method and apparatus for penetrating tissue
US8845550B2 (en) 2001-06-12 2014-09-30 Sanofi-Aventis Deutschland Gmbh Tissue penetration device
US8845549B2 (en) 2002-04-19 2014-09-30 Sanofi-Aventis Deutschland Gmbh Method for penetrating tissue
US8905945B2 (en) 2002-04-19 2014-12-09 Dominique M. Freeman Method and apparatus for penetrating tissue
US8945910B2 (en) 2003-09-29 2015-02-03 Sanofi-Aventis Deutschland Gmbh Method and apparatus for an improved sample capture device
US8965476B2 (en) 2010-04-16 2015-02-24 Sanofi-Aventis Deutschland Gmbh Tissue penetration device
US9144401B2 (en) 2003-06-11 2015-09-29 Sanofi-Aventis Deutschland Gmbh Low pain penetrating member
US9226699B2 (en) 2002-04-19 2016-01-05 Sanofi-Aventis Deutschland Gmbh Body fluid sampling module with a continuous compression tissue interface surface
US9314194B2 (en) 2002-04-19 2016-04-19 Sanofi-Aventis Deutschland Gmbh Tissue penetration device
US9351680B2 (en) 2003-10-14 2016-05-31 Sanofi-Aventis Deutschland Gmbh Method and apparatus for a variable user interface
US9375169B2 (en) 2009-01-30 2016-06-28 Sanofi-Aventis Deutschland Gmbh Cam drive for managing disposable penetrating member actions with a single motor and motor and control system
US9386944B2 (en) 2008-04-11 2016-07-12 Sanofi-Aventis Deutschland Gmbh Method and apparatus for analyte detecting device
US9775553B2 (en) 2004-06-03 2017-10-03 Sanofi-Aventis Deutschland Gmbh Method and apparatus for a fluid sampling device

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG106624A1 (en) * 2000-09-27 2004-10-29 Seagate Technology Llc Magnetless actuator for disc drive
US8641644B2 (en) 2000-11-21 2014-02-04 Sanofi-Aventis Deutschland Gmbh Blood testing apparatus having a rotatable cartridge with multiple lancing elements and testing means
US9795747B2 (en) 2010-06-02 2017-10-24 Sanofi-Aventis Deutschland Gmbh Methods and apparatus for lancet actuation
US9427532B2 (en) 2001-06-12 2016-08-30 Sanofi-Aventis Deutschland Gmbh Tissue penetration device
US8267870B2 (en) 2002-04-19 2012-09-18 Sanofi-Aventis Deutschland Gmbh Method and apparatus for body fluid sampling with hybrid actuation
US8702624B2 (en) 2006-09-29 2014-04-22 Sanofi-Aventis Deutschland Gmbh Analyte measurement device with a single shot actuator
US9248267B2 (en) 2002-04-19 2016-02-02 Sanofi-Aventis Deustchland Gmbh Tissue penetration device
US8784335B2 (en) 2002-04-19 2014-07-22 Sanofi-Aventis Deutschland Gmbh Body fluid sampling device with a capacitive sensor
US8574895B2 (en) 2002-12-30 2013-11-05 Sanofi-Aventis Deutschland Gmbh Method and apparatus using optical techniques to measure analyte levels
US8668656B2 (en) 2003-12-31 2014-03-11 Sanofi-Aventis Deutschland Gmbh Method and apparatus for improving fluidic flow and sample capture
DE102004003730A1 (en) 2004-01-23 2005-08-18 Heinz Leiber segment engine
EP1751546A2 (en) 2004-05-20 2007-02-14 Albatros Technologies GmbH & Co. KG Printable hydrogel for biosensors
WO2005120365A1 (en) 2004-06-03 2005-12-22 Pelikan Technologies, Inc. Method and apparatus for a fluid sampling device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031419A (en) * 1974-07-31 1977-06-21 Gerhard Berger, Fabrik Elektrischer Messgerate Self-starting synchronous and stepping motor having a permanent magnet rotor
EP0127058A2 (en) * 1983-05-21 1984-12-05 BASF Aktiengesellschaft Positioning device for objects, particularly magnetic heads
JPS61124254A (en) * 1984-11-20 1986-06-12 Matsushita Electric Ind Co Ltd Rotary type actuator
JPS61154471A (en) * 1984-12-27 1986-07-14 Matsushita Electric Ind Co Ltd Rotary actuator
EP0238317A2 (en) * 1986-03-19 1987-09-23 Aichi Tokei Denki Co., Ltd. An electric motor
DE19816201A1 (en) * 1997-04-14 1998-10-15 Seiko Instr Inc Electric oscillation motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031419A (en) * 1974-07-31 1977-06-21 Gerhard Berger, Fabrik Elektrischer Messgerate Self-starting synchronous and stepping motor having a permanent magnet rotor
EP0127058A2 (en) * 1983-05-21 1984-12-05 BASF Aktiengesellschaft Positioning device for objects, particularly magnetic heads
JPS61124254A (en) * 1984-11-20 1986-06-12 Matsushita Electric Ind Co Ltd Rotary type actuator
JPS61154471A (en) * 1984-12-27 1986-07-14 Matsushita Electric Ind Co Ltd Rotary actuator
EP0238317A2 (en) * 1986-03-19 1987-09-23 Aichi Tokei Denki Co., Ltd. An electric motor
DE19816201A1 (en) * 1997-04-14 1998-10-15 Seiko Instr Inc Electric oscillation motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN *

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8845550B2 (en) 2001-06-12 2014-09-30 Sanofi-Aventis Deutschland Gmbh Tissue penetration device
US9339612B2 (en) 2002-04-19 2016-05-17 Sanofi-Aventis Deutschland Gmbh Tissue penetration device
US9314194B2 (en) 2002-04-19 2016-04-19 Sanofi-Aventis Deutschland Gmbh Tissue penetration device
US8905945B2 (en) 2002-04-19 2014-12-09 Dominique M. Freeman Method and apparatus for penetrating tissue
US7717863B2 (en) 2002-04-19 2010-05-18 Pelikan Technologies, Inc. Method and apparatus for penetrating tissue
US7901362B2 (en) 2002-04-19 2011-03-08 Pelikan Technologies, Inc. Method and apparatus for penetrating tissue
US8690796B2 (en) 2002-04-19 2014-04-08 Sanofi-Aventis Deutschland Gmbh Method and apparatus for penetrating tissue
US7674232B2 (en) 2002-04-19 2010-03-09 Pelikan Technologies, Inc. Method and apparatus for penetrating tissue
US8845549B2 (en) 2002-04-19 2014-09-30 Sanofi-Aventis Deutschland Gmbh Method for penetrating tissue
US7713214B2 (en) 2002-04-19 2010-05-11 Pelikan Technologies, Inc. Method and apparatus for a multi-use body fluid sampling device with optical analyte sensing
US7648468B2 (en) 2002-04-19 2010-01-19 Pelikon Technologies, Inc. Method and apparatus for penetrating tissue
US7708701B2 (en) 2002-04-19 2010-05-04 Pelikan Technologies, Inc. Method and apparatus for a multi-use body fluid sampling device
US9226699B2 (en) 2002-04-19 2016-01-05 Sanofi-Aventis Deutschland Gmbh Body fluid sampling module with a continuous compression tissue interface surface
US9144401B2 (en) 2003-06-11 2015-09-29 Sanofi-Aventis Deutschland Gmbh Low pain penetrating member
US8945910B2 (en) 2003-09-29 2015-02-03 Sanofi-Aventis Deutschland Gmbh Method and apparatus for an improved sample capture device
US9351680B2 (en) 2003-10-14 2016-05-31 Sanofi-Aventis Deutschland Gmbh Method and apparatus for a variable user interface
US9775553B2 (en) 2004-06-03 2017-10-03 Sanofi-Aventis Deutschland Gmbh Method and apparatus for a fluid sampling device
US9386944B2 (en) 2008-04-11 2016-07-12 Sanofi-Aventis Deutschland Gmbh Method and apparatus for analyte detecting device
US9375169B2 (en) 2009-01-30 2016-06-28 Sanofi-Aventis Deutschland Gmbh Cam drive for managing disposable penetrating member actions with a single motor and motor and control system
US8965476B2 (en) 2010-04-16 2015-02-24 Sanofi-Aventis Deutschland Gmbh Tissue penetration device

Also Published As

Publication number Publication date
AU2340500A (en) 2000-08-07
WO2000044084A2 (en) 2000-07-27

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