DE3490674T1 - Electromagnetic actuator - Google Patents

Electromagnetic actuator

Info

Publication number
DE3490674T1
DE3490674T1 DE19843490674 DE3490674T DE3490674T1 DE 3490674 T1 DE3490674 T1 DE 3490674T1 DE 19843490674 DE19843490674 DE 19843490674 DE 3490674 T DE3490674 T DE 3490674T DE 3490674 T1 DE3490674 T1 DE 3490674T1
Authority
DE
Germany
Prior art keywords
movable
magnetic
permanent magnet
space
magnetic circuit
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.)
Withdrawn
Application number
DE19843490674
Other languages
German (de)
Inventor
Uetsuhara Urawa Saitama Tokio
Original Assignee
Mitsubishi Mining & Cement Co. Ltd., Tokio/Tokyo
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 Mitsubishi Mining & Cement Co. Ltd., Tokio/Tokyo filed Critical Mitsubishi Mining & Cement Co. Ltd., Tokio/Tokyo
Publication of DE3490674T1 publication Critical patent/DE3490674T1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F7/1638Armatures not entering the winding
    • H01F7/1646Armatures or stationary parts of magnetic circuit having permanent magnet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets

Description

-Leerseite -- blank page -

Claims (5)

Patentanmeldung Aktenzeichen PCT/JP84/00084 05.11.1985. Unser Zeichen: FMMC-84303 -- K 6507 WI PATENTANSPRÜCHEPatent application file number PCT / JP84 / 00084 11/05/1985. Our reference: FMMC-84303 - K 6507 WI PATENT CLAIMS 1. Elektromagnetisches Betätigungselement mit einem Magnetkreis, bestehend aus einem stationären Element und einem bewegbaren Element, dadurch gekennzeichnet, daß in dem Magnetkreis ein Permanentmagnet derart angeordnet ist, daß seine magnetomotorische Kraft parallel zu derjenigen des Elektromagneten in dem Magnetkreis verläuft und daß das bewegbare Element in einem Raum des stationären Elements so angeordnet ist, daß seine Aktivierung entweder in einer monostabilen oder in einer bistabilen Betriebsweise bewirkt wird.1. Electromagnetic actuator with a magnetic circuit consisting of a stationary element and a movable one Element, characterized in that in the magnetic circuit a permanent magnet is arranged such that its magnetomotive force is parallel to that of the electromagnet in the magnetic circuit extends and that the movable element is arranged in a space of the stationary element so that its activation is effected either in a monostable or in a bistable mode of operation. 2. Betätigungselement nach Anspruch 1, dadurch gekennzeichnet , daß das stationäre Element, das mit dem Raum den Magnetkreis bildet, aus einem ferromagnetischen Stoff besteht und mit einer elektromagnetischen Spule umwickelt ist, daß das aus magnetischem Material bestehende bewegbare Element derart zwischen den magnetischen Polflächen des stationären Elementes, die den genannten Raum begrenzen, gelagert ist, daß das bewegbare Element in Bezug auf die magnetischen Polflächen infolge eines vorhandenen ersten Spaltes reversibel bewegbar ist, und daß der Permanentmagnet entweder am stationären Element oder am bewegbaren Element in einer Position abseits vom ersten Spalt derart angebracht sind, daß die Polflächen des Permanentmagneten, die zu den genannten Polflächen des stationären Elements eine unterschied-2. Actuating element according to claim 1, characterized that the stationary element, which forms the magnetic circuit with the space, consists of a ferromagnetic material and is wound with an electromagnetic coil such that the movable member made of magnetic material is sandwiched between the magnetic pole faces of the stationary element, which delimit said space, is mounted that the movable Element is reversibly movable in relation to the magnetic pole faces due to an existing first gap, and that the Permanent magnet attached to either the stationary element or the movable element in a position away from the first gap are that the pole faces of the permanent magnet, which differ from the mentioned pole faces of the stationary element ■/Λ■ / Λ liehe Polarität haben, dem betreffenden Element durch einen zweiten Spalt gegenüberstehen mit der Wirkung, daß die magnetomotorische Kraft des Permanentmagneten in dem Magnetkreis parallel zu derjenigen der elektromagnetischen Spule wirksam ist.borrowed polarity, the element in question by a second Opposite gap with the effect that the magnetomotive force of the permanent magnet in the magnetic circuit is parallel to that the electromagnetic coil is effective. 3. Betätigungselement nach Anspruch 1, dadurch gekennzeichnet, daß das aus magnetischem Material bestehende stationäre Element mit einer elektromagnetischen Spule umwickelt ist und das magnetische Material mit beiden Polflächen des Permanentmagneten verbunden ist, so daß ein Magnetkreis mit einem Raum gebildet ist, und daß das in dem Raum befindliche bewegbare Element aus magnetischem Material besteht und so angeordnet ist, daß es alternativ zwischen zwei Positionen bewegbar ist, in denen die magnetomotorischen Kräfte, die vom Permanentmagneten, der dem Raum des Magnetkreises begrenzt, ausgehen, magnetisch kurzgeschlossen werden.3. Actuating element according to claim 1, characterized in that that the stationary element made of magnetic material is wound with an electromagnetic coil and the magnetic material is connected to both pole faces of the permanent magnet, so that a magnetic circuit is formed with a space is, and that the movable element located in the space is made of magnetic material and is arranged so that it is alternatively is movable between two positions in which the magnetomotive Forces emanating from the permanent magnet, which limits the space of the magnetic circuit, are magnetically short-circuited will. 4. Betätigungselement nach Anspruch 1, dadurch gekennzeichnet, daß das stationäre Element mit einer elektromagnetischen Spule umwickelt und zu einem, einen Raum umfassenden Magnetkreis ausgebildet ist, daß das bewegbare Element aus dem Permanentmagneten und zwei magnetischen Segmenten zusammengesetzt ist, wobei jedes dieser Segmente an einer Polfläche des Permanentmagneten angebracht ist, daß das bewegbare Element in dem Raum des Magnetkreises so angeordnet ist, daß die magnetischen Segmente durch einen zweiten Spalt getrennt dem Joch des stationären Elementes gegenüberstehen, und es alternativ zwischen zwei Positionen bewegbar ist, in denen die vom Permanentmagneten ausgehenden magnetomotorischen Kräfte magnetisch kurzgeschlossen werden.4. Actuating element according to claim 1, characterized in that that the stationary element is wound with an electromagnetic coil and a magnetic circuit encompassing a space is designed that the movable element is composed of the permanent magnet and two magnetic segments is, each of these segments is attached to a pole face of the permanent magnet that the movable element in the space of the magnetic circuit is arranged so that the magnetic segments separated by a second gap from the yoke of the stationary element oppose, and it is alternatively movable between two positions in which the emanating from the permanent magnet magnetomotive forces are magnetically short-circuited. 5. Betätigungselement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß Mittel vorhanden sind zur Erzeugung und Überlagerung einer Vormagnetisierung als magnetische Kraft oder einer mechanischen Vorspannung als mechanische Kraft5. Actuating element according to one of claims 1 to 4, characterized in that means are available for Generation and superimposition of a pre-magnetization as a magnetic force or a mechanical pre-tension as a mechanical force zwischen dem stationären und dem bewegbaren Element, um durch elektromagnetische Steuerung eine mechanisch monostabile Betriebsweise des Betätigungselementes zu erzielen.between the stationary and the movable element in order to achieve a mechanically monostable mode of operation by electromagnetic control to achieve the actuator.
DE19843490674 1984-03-05 1984-03-05 Electromagnetic actuator Withdrawn DE3490674T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1984/000084 WO1985004044A1 (en) 1984-03-05 1984-03-05 Electromagnetic actuator apparatus

Publications (1)

Publication Number Publication Date
DE3490674T1 true DE3490674T1 (en) 1986-05-15

Family

ID=13818258

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843490674 Withdrawn DE3490674T1 (en) 1984-03-05 1984-03-05 Electromagnetic actuator

Country Status (5)

Country Link
EP (1) EP0179911B1 (en)
AU (1) AU569879B2 (en)
DE (1) DE3490674T1 (en)
GB (1) GB2165096B (en)
WO (1) WO1985004044A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208768A1 (en) * 2013-05-13 2014-11-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Electromagnetic actuator, actuatable movable system containing a plurality of such actuators and actuator movement method

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60261111A (en) * 1984-06-08 1985-12-24 Mitsubishi Mining & Cement Co Ltd Electromagnetic actuator
WO1986007490A1 (en) * 1985-06-04 1986-12-18 Mitsubishi Mining & Cement Co., Ltd. Electromagnetic actuator
FR2606927B1 (en) * 1986-11-19 1991-09-13 Telemecanique Electrique BISTABLE POLARIZED ELECTROMAGNET
DE8900779U1 (en) * 1989-01-25 1989-05-11 Walloschke, Rudolf, 4972 Loehne, De
DE4108601C2 (en) * 1991-03-18 1995-06-29 Harting Elektronik Gmbh Catch and hold magnet
GB2342504B (en) * 1998-10-08 2003-04-23 Wladyslaw Wygnanski Magnetic drives
JP4359395B2 (en) * 1998-10-08 2009-11-04 カムコン・リミテッド Magnetic drive
CA2270785C (en) * 1999-05-04 2005-08-16 Chih-Sheng Sheng Magnet device with double fixing positions for changing the magnetic circuit
FR2828000B1 (en) 2001-07-27 2003-12-05 Commissariat Energie Atomique MAGNETIC ACTUATOR WITH MOBILE MAGNET
US6894593B2 (en) 2003-02-12 2005-05-17 Moog Inc. Torque motor
GB2429032B (en) * 2005-08-02 2010-06-02 Paxton Access Ltd Lock mechanism
JP5163318B2 (en) * 2008-06-30 2013-03-13 オムロン株式会社 Electromagnet device

Citations (8)

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Publication number Priority date Publication date Assignee Title
GB1047848A (en) * 1962-08-09 1966-11-09 H E & B S Benson Ltd Improvements in d.c. electromagnets with permanentmagnet armatures
GB1347854A (en) * 1970-07-06 1974-02-27 Anker Werke Ag Data printing apparatus
GB1466555A (en) * 1975-08-27 1977-03-09 Itt Creed Electromagnetic stylus actuator for a stylus printer
GB1590817A (en) * 1977-04-18 1981-06-10 Francaise App Elect Mesure Electromagnet magnetic circuit with permanent-magnet armature
JPS56168315A (en) * 1980-05-30 1981-12-24 Matsushita Electric Works Ltd Polarized magnetic circuit configuration
DE3241254A1 (en) * 1981-11-16 1983-05-19 Moog Inc ELECTROMECHANICAL ACTUATOR
JPS5913307A (en) * 1982-07-14 1984-01-24 Matsushita Electric Works Ltd Thin polarized solenoid
JPS5918411U (en) * 1982-07-23 1984-02-04 オムロン株式会社 polar electromagnet device

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GB958501A (en) * 1959-07-03 1964-05-21 Philips Electrical Ind Ltd Improvements in electromagnetic devices in which a body is moved between two stable end positions
US3859547A (en) * 1971-12-23 1975-01-07 Philip E Massie Multi-position solenoid with latching or nonlatching capability
US3772540A (en) * 1972-07-19 1973-11-13 New Process Ind Inc Electromechanical latching actuator
DE2503159C3 (en) * 1975-01-27 1981-05-07 Siemens AG, 1000 Berlin und 8000 München Polarized electromagnetic relay and process for its manufacture
US4157520A (en) * 1975-11-04 1979-06-05 Westinghouse Electric Corp. Magnetic flux shifting ground fault trip indicator
DE2550134A1 (en) * 1975-11-07 1977-05-18 Standard Elektrik Lorenz Ag ELECTROMAGNETIC RELAY
JPS58157104A (en) * 1982-03-12 1983-09-19 Matsushita Electric Works Ltd Polarized electromagnet
AU2579284A (en) * 1983-04-15 1984-11-07 Mitsubishi Mining & Cement Co., Ltd. Electromagnetic actuator apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1047848A (en) * 1962-08-09 1966-11-09 H E & B S Benson Ltd Improvements in d.c. electromagnets with permanentmagnet armatures
GB1347854A (en) * 1970-07-06 1974-02-27 Anker Werke Ag Data printing apparatus
GB1466555A (en) * 1975-08-27 1977-03-09 Itt Creed Electromagnetic stylus actuator for a stylus printer
GB1590817A (en) * 1977-04-18 1981-06-10 Francaise App Elect Mesure Electromagnet magnetic circuit with permanent-magnet armature
JPS56168315A (en) * 1980-05-30 1981-12-24 Matsushita Electric Works Ltd Polarized magnetic circuit configuration
DE3241254A1 (en) * 1981-11-16 1983-05-19 Moog Inc ELECTROMECHANICAL ACTUATOR
JPS5913307A (en) * 1982-07-14 1984-01-24 Matsushita Electric Works Ltd Thin polarized solenoid
JPS5918411U (en) * 1982-07-23 1984-02-04 オムロン株式会社 polar electromagnet device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
US-Z.: IBM Technical Disclosure Bulletin, Vol. 21, Nr. 1, 1978, S. 15 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013208768A1 (en) * 2013-05-13 2014-11-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Electromagnetic actuator, actuatable movable system containing a plurality of such actuators and actuator movement method

Also Published As

Publication number Publication date
GB2165096B (en) 1987-12-31
AU2650384A (en) 1985-09-24
GB8523400D0 (en) 1985-10-23
WO1985004044A1 (en) 1985-09-12
EP0179911A1 (en) 1986-05-07
EP0179911A4 (en) 1986-07-23
EP0179911B1 (en) 1989-06-07
AU569879B2 (en) 1988-02-25
GB2165096A (en) 1986-04-03

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OP8 Request for examination as to paragraph 44 patent law
8130 Withdrawal