DE59700140D1 - Bistable small magnet - Google Patents

Bistable small magnet

Info

Publication number
DE59700140D1
DE59700140D1 DE59700140T DE59700140T DE59700140D1 DE 59700140 D1 DE59700140 D1 DE 59700140D1 DE 59700140 T DE59700140 T DE 59700140T DE 59700140 T DE59700140 T DE 59700140T DE 59700140 D1 DE59700140 D1 DE 59700140D1
Authority
DE
Germany
Prior art keywords
armature
coil
permanent magnet
current
pole piece
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
DE59700140T
Other languages
German (de)
Inventor
Dietmar Harting
Ernst-Heinrich Dipl In Harting
Joachim Brendel
Torsten Dipl Ing Kroeger
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.)
Harting Stiftung and Co KG
Original Assignee
Harting AG and Co KG
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 Harting AG and Co KG filed Critical Harting AG and Co KG
Application granted granted Critical
Publication of DE59700140D1 publication Critical patent/DE59700140D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F2007/1669—Armatures actuated by current pulse, e.g. bistable actuators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature
    • H01H2051/2218—Polarised relays with rectilinearly movable armature having at least one movable permanent magnet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

The bistable small magnet has an armature (4) arranged for axial movement in a coil arrangement. A pole piece is fixedly arranged in or on an end of the coil (2). The armature (4) is pushed to and away from the pole piece when corresponding current passes through the coil (2). The armature (4) has an axially polarised permanent magnet (6) which holds the armature in the attracted position without current. With a corresponding flow of current in the coil the attracting force of the permanent magnet (6) is neutralised and the armature (4) is moved by the force of a spring into its output position or stroke start position. The armature (4) has a weakly magnetic secondary terminal (7) for the permanent magnet (6). At the stroke start position the middle of the permanent magnet (6), viewed in the axial direction, lies in the plane of the start of the coil (2).
DE59700140T 1996-03-08 1997-02-19 Bistable small magnet Expired - Fee Related DE59700140D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19608953A DE19608953A1 (en) 1996-03-08 1996-03-08 Bistable small magnet

Publications (1)

Publication Number Publication Date
DE59700140D1 true DE59700140D1 (en) 1999-06-02

Family

ID=7787586

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19608953A Withdrawn DE19608953A1 (en) 1996-03-08 1996-03-08 Bistable small magnet
DE59700140T Expired - Fee Related DE59700140D1 (en) 1996-03-08 1997-02-19 Bistable small magnet

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19608953A Withdrawn DE19608953A1 (en) 1996-03-08 1996-03-08 Bistable small magnet

Country Status (3)

Country Link
EP (1) EP0794540B1 (en)
AT (1) ATE179546T1 (en)
DE (2) DE19608953A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19901839A1 (en) * 1999-01-19 2000-07-20 Winkhaus Fa August Electromagnetically activatable locking mechanism
DE19901838A1 (en) * 1999-01-19 2000-07-20 Winkhaus Fa August Electromagnetically activatable locking mechanism
WO2000048207A2 (en) * 1999-02-09 2000-08-17 Nikolai Sergeevich Babich Electromagnet and use thereof in closure devices
DE20114466U1 (en) * 2001-09-01 2002-01-03 Eto Magnetic Kg Electromagnetic actuator
DE102004047980B3 (en) * 2004-10-01 2006-03-16 Schliessanlagen Gmbh Pfaffenhain Locking mechanism operated electromagnetically e.g. for key cylinder of mortise dead lock, has housing with cylinder core for key with electromagnets loaded in housing and tappet loaded and cooperates with linked spring
EP2570574B1 (en) * 2007-02-08 2014-09-17 Knock N'Lock Ltd. Solenoid operated electromechanical lock
FR2934923B1 (en) * 2008-08-11 2013-05-31 Schneider Electric Ind Sas HYBRID ELECTROMAGNETIC ACTUATOR WITH FIXED COIL
FI20105582A0 (en) * 2010-05-25 2010-05-25 Kaarinan Robottileikkaus Oy Fastening device, arrangement and method for attaching an object to be processed on a machining base
WO2012160262A1 (en) * 2011-05-25 2012-11-29 Ixtur Oy Magnet, attaching device, attaching arrangement and method for attaching to an object
DE102010045290B4 (en) * 2010-09-14 2016-04-28 Günther Zimmer Singler with electrodynamic actuator
JP5887711B2 (en) * 2010-11-16 2016-03-16 株式会社ジェイテクト Lock device and electric power steering device
DE102012107281B4 (en) 2012-08-08 2014-03-06 Eto Magnetic Gmbh Bistable electromagnetic actuator, armature assembly and camshaft adjuster
DE102015121739A1 (en) * 2015-12-14 2017-06-14 Svm Schultz Verwaltungs-Gmbh & Co. Kg electromagnet
ES2627477B1 (en) * 2015-12-28 2018-05-08 Electrobolt Sistemas De Seguridad S.L. Electromagnetic remote operated locking device
DE102017000907A1 (en) * 2017-02-01 2018-08-02 Rhefor Gbr (Vertretungsberechtigter Gesellschafter: Arno Mecklenburg, 10999 Berlin) Electromagnetic stopper for a general cargo conveyor
DE102017208937A1 (en) * 2017-05-29 2018-11-29 Robert Bosch Gmbh Bistable solenoid valve for a hydraulic brake system and corresponding hydraulic brake system
DE102017208938A1 (en) * 2017-05-29 2018-11-29 Robert Bosch Gmbh Bistable solenoid valve for a hydraulic brake system and corresponding hydraulic brake system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218523A (en) * 1963-07-29 1965-11-16 Benson Hector Eugene Electromagnetic device having a permanent magnet armature
DE1489088A1 (en) * 1964-10-30 1969-05-29 List Dipl Ing Heinrich Polarized electromagnetic propulsion system
DE3019418A1 (en) * 1980-05-21 1981-11-26 Hosiden Electronics Co Double-coil self-holding solenoid - has fixed and moving armature with shaped interlocking ends and incorporates permanent magnet
JPS5829754U (en) * 1981-08-21 1983-02-26 日立金属株式会社 Actuator for door lock
CA2020211A1 (en) * 1989-07-05 1991-01-06 Ping-Shih Wang Hammer solenoid
DE4327180A1 (en) * 1993-08-13 1995-02-16 Inopex Ges Fuer Produktentwick Electromagnet

Also Published As

Publication number Publication date
DE19608953A1 (en) 1997-09-11
EP0794540B1 (en) 1999-04-28
ATE179546T1 (en) 1999-05-15
EP0794540A1 (en) 1997-09-10

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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