With Plural Magnet Or Coil Means Patents (Class 335/136)
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Patent number: 9548173Abstract: An electrical contactor has first and second terminals; a movable arm connected to the second terminal; and an actuator. The actuator has a magnet, first and second coils having a common connection and located either side of the magnet, a magnetic rocking armature pivotably attached between the coils and an actuation element connected to the first end of the rocking armature for actuating the movable arm. Driving the first coil causes a demagnetization of the first coil and a corresponding increase in magnetic flux in the second coil, latching the armature to the second coil and moving the movable arm in a first direction. Driving the second coil causes a demagnetization of the second coil and a corresponding increase in magnetic flux in the first coil, latching the rocking armature to the first coil and moving the movable arm in a second direction.Type: GrantFiled: February 13, 2015Date of Patent: January 17, 2017Assignee: JOHNSON ELECTRIC S.A.Inventor: Richard Anthony Connell
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Publication number: 20140345554Abstract: An electromagnetic switch for the starter of a heat engine, including a first terminal (B1), a second terminal (B2), a first mobile contact (C1) which is movable between an inactive position and a power supply position, and at least one second mobile contact (C2), which is placed between the first mobile contact (C1) and the second terminal (B2) and which is movable between a disconnected position and a connected position. The switch is capable of being placed in three operating states: an inactive state, an engagement state, and a power supply state.Type: ApplicationFiled: December 21, 2012Publication date: November 27, 2014Inventor: Stéphane Plaideau
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Patent number: 8777180Abstract: A solenoid valve comprising a magnetic drive having at least two parallel coils which are arranged with their end faces lying between two spaced apart magnetic yoke plates, a stationary magnetic plug and an axially movable magnetic core each being arranged in each coil which together with the magnetic yoke plates form a ferromagnetic circuit. At least one further magnetic element which is firmly connected to a respective yoke plate on two opposite ends is arranged between the magnetic plates.Type: GrantFiled: March 2, 2012Date of Patent: July 15, 2014Assignee: Buerkert Werke GmbHInventors: Ralf Doerr, Heiko Engler, Martin Ottliczky, Sebastian Kahl
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Patent number: 8773226Abstract: A relay has a driving device that includes a magnet portion, two electromagnets, a yoke portion fixed to the above elements, and a rocking armature. The magnet portion includes a ferrite permanent magnet polarized in a direction perpendicular to the yoke portion and a bearing surface facing way from the yoke portion. Each electromagnet includes an iron core fixed to the yoke portion and a coil wound thereon. The two iron cores are arranged at opposite sides of the magnet portion. The rocking armature includes two arms connected to each other with an included angle formed therebetween and a convex joint of the two arms. The convex joint abuts against the bearing surface and the rocking armature pivots about the convex joint between a first position and a second position in which the rocking armature contacts a respective one of the iron cores.Type: GrantFiled: February 28, 2013Date of Patent: July 8, 2014Assignee: Johnson Electric S.A.Inventors: Yue Li, Bao Ting Liu, Jin Yun Gan, Chui You Zhou, Yong Wang, Xiao Ning Zhu
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Patent number: 8754730Abstract: An electromagnetically operated switching device according to the present invention includes a pair of electromagnetically operated mechanisms for driving a main circuit contact of a switch via a link mechanism symmetrically arranged with respect to an operational center axis, and a length of a spring retaining plate can be regulated in accordance with a change of a link ratio, which is caused by a design change of the main circuit contact.Type: GrantFiled: January 13, 2010Date of Patent: June 17, 2014Assignee: Mitsubishi Electric CorporationInventors: Toru Kimura, Tomotaka Yano
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Publication number: 20130088011Abstract: A switching device has an electromagnetic switching element and a controller, the switching element including two coils on one core which act on a shared armature. In order to implement an operation of the armature to be activatable as rapidly and simply as possible with low power consumption, the controller is designed to have a switch in the current path of the coil in each case to activate each coil.Type: ApplicationFiled: March 16, 2011Publication date: April 11, 2013Inventors: Simon Rentschler, Duraisamy Sakthivadivel, Harald Schueler, Sven Hartmann, Juergen Cross, Stefan Tumback
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Patent number: 8314669Abstract: An electromechanical connection system having a current supply device connectable to a current source through current supply contacts. The current supply device has with switching magnets on a magnet carriage. A current collection device has a release magnet and can be electrically connected to a load is connectable to the current supply device. A safety magnet is restored to a rest position by a retaining magnet or a ferromagnetic retaining part if the magnet carriage remains in a live state even if the current collection device is removed to effect short circuit. A non-conducting short-circuit part movably arranged in the current supply device between two short-circuit line parts, holds the safety magnet a distance from the short-circuit line under normal conditions. The non-conducting short-circuit part connects the short-circuit line parts if the magnet carriage does not return responsive to removal of the current collection device.Type: GrantFiled: October 12, 2009Date of Patent: November 20, 2012Assignee: Rosenberger Hochfrequenztechnik GmbH & Co. KGInventor: Axel Botsch
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Publication number: 20120044030Abstract: A relay with multiple coils includes a base having at least one fixed contact disposed thereon. At least one coil assembly is mounted on the base. Each coil assembly has a plurality of attracted ends formed thereon. A spring member is pivotally connected to the base. The spring member has at least one moving contact disposed thereon and movably connected with the at least one fixed contact for providing a switching effect. The spring member has a magnetic member rivetedly mounted thereon and corresponding to the attracted ends of the at least one coil assembly. The spring member provides a restoring force on the at least one moving contact and the magnetic member, such that the relay acts as a switch for opening/closing a circuit connected to the relay.Type: ApplicationFiled: August 17, 2010Publication date: February 23, 2012Inventor: Sung Jen WU
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Publication number: 20110193661Abstract: Electromechanical relays and semiconductor structures and microelectromechanical systems including at least part of an electromechanical relay are presented. For example, an electromechanical relay includes an electrically conductive terminal within a printed circuit board, one or more electrically conductive contacts, and one or more magnetic actuators. The one or more magnetic actuators are respectively associated with the one or more electrically conductive contacts and each magnetic actuator includes (i) a magnetic core within at least one via extending through one or more layers of the printed circuit board, and (ii) an electrical coil around at least a portion of the magnetic core and within one or more layers of the printed circuit board. Activation of the one or more actuators causes electrical contact between the terminal and an associated one of the one or more electrically conductive contacts.Type: ApplicationFiled: February 8, 2010Publication date: August 11, 2011Applicant: International Business Machines CorporationInventors: Christian Wilhelmus Baks, Richard A. John, Young Hoon Kwark
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Patent number: 7965161Abstract: A device (1) suitable for moving a body (2) along a linear path (F) between two predetermined positions, and comprising: first and second electromagnets (5, 8) respectively having first and second moving cores (6, 9) that are secured to the body and that are arranged to have axes of action (7, 10) on the body that are parallel to the path (F), and a permanent magnet (11) associated functionally with the first core (6) and disposed to co-operate magnetically and functionally therewith when the body finds itself in its first position, and preferably return means (13) that are associated with the body so as to urge it back from the second position to the first position when the second electromagnet (8) is not excited.Type: GrantFiled: December 20, 2006Date of Patent: June 21, 2011Assignee: Sagem Defense SecuriteInventor: Sylvain Roche
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Patent number: 6771154Abstract: An electromagnetic relay comprises a coil and a contact group containing a plurality of normally open contacts which are connected in series under control of an electromagnet created when this coil is energized. This electromagnetic relay can prevent a short-circuit from occurring between the normally closed contact and the normally open contact due to an arc even though the contact gap length is reduced.Type: GrantFiled: October 25, 2000Date of Patent: August 3, 2004Assignee: Taiko Device, Ltd.Inventors: Hideo Funayama, Hiromitsu Sato
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Patent number: 6768405Abstract: A switching device of low power consumption type, in which magnetic pole portions 37c of a pair of iron cores 37 constructing an electromagnet block 30 are individually arranged on the bottom face of a sealing case 41. The other end portions of the paired iron cores 37 are connected to each other by a yoke 39. As the electromagnet block 30 is magnetized and demagnetized, the two end portions of a moving iron member 63 of a contact mechanism block 50 are attracted by and leave the paired magnetic pole portions 37c of the iron cores 37.Type: GrantFiled: August 8, 2003Date of Patent: July 27, 2004Assignee: Omron CorporationInventors: Takeshi Nishida, Yasuyuki Masui, Kozo Maenishi
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Patent number: 6563409Abstract: A latching magnetic relay assembly comprises a relay motor with a first coil bobbin having a first excitation coil wound therearound and a second coil bobbin having a second excitation coil wound therearound, both said first excitation coil and said second excitation coil being identical, said first excitation coil being electrically insulated from said second excitation coil; an actuator assembly magnetically coupled to both said relay motor, said actuator assembly having a first end and a second end; and one or two groups of contact bridge assemblies, each of said group of contact bridge assemblies comprising a contact bridge and a spring.Type: GrantFiled: March 26, 2001Date of Patent: May 13, 2003Inventor: Klaus A. Gruner
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Patent number: 6538541Abstract: A bistable contactor comprises at least two concentrically arranged coils, an armature that is movable relative to the coils, a permanent magnet that is stationary relative to the coils, and a spring element. The armature includes contacts for opening and closing a circuit. The coils move the armature and contacts between a first stable position and a second stable position. In the first stable position, the armature is held in position by the permanent magnet, and in the second stable position, the armature is biased into position by the spring element.Type: GrantFiled: September 13, 2000Date of Patent: March 25, 2003Assignee: Schaltbau AktiengesellschaftInventor: Robert Kralik
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Patent number: 4947285Abstract: For the purpose of achieving an efficient and long-lived switching contact making on the basis of a structural design saving space and material, a reversing circuit for direction reversal in the case of direct current drives comprises four single-pole contactors which are arranged in a square and which are provided with coils 1 and with contact bridges 2 as well as four contact pieces 3 for connecting the outer terminals with fixed contacts formed by said contact pieces 3, the contact pieces 3 being arranged on one side of the coils in a square within one plane.Type: GrantFiled: March 8, 1989Date of Patent: August 7, 1990Assignee: Schaltbau Gesellschaft mbHInventor: Anton Happach
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Patent number: 4816794Abstract: The electromagnetic relay has a pair of normally closed and normally open fixed terminals which are disposed opposing each other. At least two normally closed fixed contacts are mounted on the normally closed fixed terminal, and at least two normally open fixed contacts are mounted on the normally open fixed terminal. The normally closed and normally open fixed terminals are commonly used by a plurality of relay units. Therefore, the relay can be small enough to be installed on a small area, and allows high-density electric circuits to be provided on circuit boards.Type: GrantFiled: July 30, 1987Date of Patent: March 28, 1989Assignee: Omron Tateisi Electronics Co.Inventors: Hirohumi Nagao, Kenichi Matsuo, Muneo Nakata
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Patent number: 4617541Abstract: A starter for a reversible motor has a single outer casing and one operating switch for controlling the forward or reverse rotation of the motor. The starter uses only ten pairs of electric contacts instead of the twenty pairs of contacts in a conventional starter. A safety means is provided which can turn off the undesired actuation circuit of the electromagnet. And another important feature of the starter is an adjustable screw with a coil spring sleeved thereon to assure the right movable contacts being closed in the starter without closing undesired contacts.Type: GrantFiled: September 16, 1985Date of Patent: October 14, 1986Assignees: Pen-Ho Huang, Gordon Kuo-Chon ChangInventor: Chiu-Hsiung Chuang
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Patent number: 4590451Abstract: A star-delta contactor in which a traveling contact is provided with a pair of contact bases which are formed as a slide metal. The contact bases perform a seesaw movement in a direction where their mutual end portions are engaged and are bent at the connection portion in a direction where their mutual end portions are separated, and each of traveling iron cores of two electromagnets m1, m2 has an operation frame for respectively operating a pair of the traveling contact bases, and a spring is provided for respectively separating the traveling iron core when the electromagnet is deenergized.Type: GrantFiled: March 14, 1985Date of Patent: May 20, 1986Assignee: SUN-S Company Ltd.Inventor: Motomu Miyamoto
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Patent number: 4564829Abstract: A railway signaling relay for use in vital circuits has a high percentage release (ratio of drop away current to pickup current between 70% and 80%) by arrangement of contact springs and their associated pressure and stop plates which provide trapped pressure in the contact springs affording the high percentage release characteristic without modification of the electrical or basic mechanical configuration of the relay and retaining its vital characteristics.Type: GrantFiled: October 28, 1983Date of Patent: January 14, 1986Assignee: General Signal Corp.Inventors: Cornelius J. Illenberg, Ronald W. Dinger, David A. Kunde, Anthony V. Lucarelli
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Patent number: 4562418Abstract: An electromagnetically operated electric switch has its movable contact system attached in a contact carrier, which via rotatable arms is connected to two identical magnetic cores of an operating magnet. Both magnetic cores move along a line perpendicular to the contact movement, towards each other upon closing and away from each other upon opening. The cores are suspended from the stand of the electric switch by means of leaf springs which control the movement of the cores. The leaf springs may also serve as opening springs.Type: GrantFiled: July 9, 1984Date of Patent: December 31, 1985Assignee: ASEA AktiebolagInventor: Sven Bachler
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Patent number: 4529953Abstract: An electrical switch assembly which employs opposed solenoid actuators in association with a pair of biased contact plates.Type: GrantFiled: September 1, 1982Date of Patent: July 16, 1985Assignee: Electromation, Inc.Inventor: Michael J. Myers
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Patent number: 4512627Abstract: Actuating apparatus for an optical fiber switch in which a single fiber array (19) retained in a retaining block (20, 21) is movable within a housing (17) to align the single array (19) with one (10) or the other (11) of two fixed fiber arrays. A shuttle element (25) slidably extending through the housing (17) has provided at each end a disc (30, 31) the inner surfaces of which control the movement of a pair of push-rods (42, 43), also extending through the housing (17), which push-rods (42, 43) are bearable on opposite sides of the retaining blocks (20, 21). Reciprocal movement of the shuttle element (25) causes the same movement of the push-rods (42, 43) to move the movable fiber array (19) between its two switch positions. Movement of the shuttle element (25) is caused by the selective energization of two electromagnets (50, 51) mounted in opposite walls (40, 41) of an hermetically sealed outer housing (18).Type: GrantFiled: December 13, 1982Date of Patent: April 23, 1985Assignee: AT&T Bell LaboratoriesInventors: Wendel E. Archer, James M. Luther, Michael L. Thieken
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Patent number: 4506242Abstract: A circuit breaker is disclosed wherein two breakers are arranged in mirror image relation having their respective contacts facing each other and abutting alternately either a common contact carrier of U-shaped configurations while double contact is prevented mechanically. In an alternative version the stationary contacts are arranged for an axial operation change. The arrangement permits reduction in internal connections as well as in space requirement without loss in function as compared with known multiple circuit breaker units.Type: GrantFiled: March 28, 1983Date of Patent: March 19, 1985Assignee: Mannesmann AktiengesellschaftInventors: Wolfgang Karpe, Johannes Kluge, Heinz Hasselmann
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Patent number: 4490701Abstract: Switchgear consisting of a polarized magnetic drive and a contact apparatus placed thereabove is disclosed. The contact apparatus includes an adjusting slider which is movable to actuate bridge contacts and is operably connected to return springs which urge it to a neutral position. To obtain two or three stable positions of the adjusting slide without constructional modifications of the switchgear, the coil form for the magnetic drive is divided into two chambers which are spaced apart, are arranged side by side, and accommodate two coil windings. Between the coil forms and symmetrical to the longitudinal axis of the coil form is connected to a permanent magnet arrangement which is polarized at right angles to the longitudinal axis of the coil form and has a central through-port for a central armature.Type: GrantFiled: August 16, 1983Date of Patent: December 25, 1984Assignees: SDS-Elektro GmbH, Matsushita Electric Works, Ltd.Inventors: Bernhard Dietrich, Hidetoshi Matsushita, Tetsuo Mori
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Patent number: 4415229Abstract: Optical fiber switch apparatus for selectively coupling the end (16) of a first fiber (17) to the ends of a plurality of second fibers (10) circularly arranged within a housing (12) also enclosing the free end (16) of the first fiber (17). The latter (17) extends through a spherical bearing (20) seatable in a socket (24) formed in the housing end (23), the bearing having a disc (19) fitted about it at right angles to the axis of the first fiber (17). The pole-pieces of a plurality of electromagnets (26) arranged under the periphery of the disc (19) selectively tilt the disc (19) upon selective energization to swing the free end (16) of the first fiber (17) into juxtaposition with the end of a selected second fiber (10'). A hold electromagnet (36) is energized to urge the bearing (20) into its socket (24) and thereby the ends of the two fibers (17, 10') into abutment.Type: GrantFiled: August 24, 1981Date of Patent: November 15, 1983Assignee: Bell Telephone Laboratories, IncorporatedInventor: Harold E. McCullough
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Patent number: 4259652Abstract: A relay is provided for reversing the direction of current to an electric motor and providing for dynamic breaking when power is disconnected. The contacts are cantilevered from a pivoting support driven electromagnetically. Mounted inwardly of the cantilevered contacts, are a pair of cantilevered springs. Each cantilevered spring is adjacent to, and associated with, a respective cantilevered contact. When the relay is energized, displacing one of the cantilevered contacts, a respective cantilevered spring is deflected against the cantilevered contact to provide a force additional to the force induced by the cantilevered contact support. Additionally, a fulcrum is provided for supporting pivotal movement of an armature supporting the cantilevered contacts, and which is combined with the magnetic flux path of the relay.Type: GrantFiled: April 30, 1979Date of Patent: March 31, 1981Assignee: Eltra CorporationInventor: Richard W. Mattson
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Patent number: 4188602Abstract: Apparatus for Quick Repair of Faulty Electrical Relays. The apparatus for Quick Repair comprises an auxiliary assembly having means for securing it resiliently and quickly to a defective relay and having (1) an electrical coil; (2) a member movable by electrically created force in the coil to bear upon an operative movable member of the defective relay; and (3) electrical connections from the electrical coil to be connected to the means for normally supplying electrical current to the relay.Type: GrantFiled: January 20, 1978Date of Patent: February 12, 1980Inventor: Cecil E. Shroyer
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Patent number: 4109219Abstract: An electromagnetic switching device includes a magnetic circuit having at least two open side legs, each carrying a control winding, said magnetic circuit being made of such a shape that when a signal is applied to one of the control windings, magnetic fluxes are produced in the open side legs, their direction being reversed when a signal is applied to the other control winding. Said electromagnetic switching device also includes at least one magnetically responsive contact featuring at least three contact members or at least two magnetically responsive contacts each featuring at least two contact members, each of the open side legs with a control winding being mounted thereon one contact member of at least one of the magnetically responsive contacts.Type: GrantFiled: February 23, 1976Date of Patent: August 22, 1978Inventors: Konkordy Innokentievich Kharazov, Gennady Viktorovich Netsvetaev, Valery Ivanovich Trofimov
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Patent number: 4096460Abstract: Relay having contact springs operated by a shifting member, which is mechanically held in one or two end positions. The shifting member is shiftable by one or two magnetic drive systems. It is provided with two over-center springs at one end or at each end. The over-center springs bear at one end on the movable shifting member and on the other end on a fixed point, which is connected to the body of the relay. Monostable relays are provided with a return spring.Type: GrantFiled: November 2, 1976Date of Patent: June 20, 1978Assignee: International Standard Electric CorporationInventors: Herald Gessinger, Manfred Baumruck, Dietrich Kral
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Patent number: 4083024Abstract: A miniature relay having a large number of contacts is housed in a dual in-line plug compatible with integrated circuitry and the like. A pair of operating coils are disposed upon a central cylindrical core upon which an armature turns, said armature being positioned between the two operating coils. The coils generate a magnetic flux in opposite directions through the core which flux combines in the armature for rotating the armature against a frame in magnetic circuit with the core.Type: GrantFiled: October 7, 1976Date of Patent: April 4, 1978Assignee: Datron Systems, Inc.Inventor: Jack T. Rover
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Patent number: 3978440Abstract: A push to start dual relay having master electrical contacts which are closed when a push button is depressed. The master contacts control the power supplied to a control circuit which, in turn, controls the power supplied to two relays. When the push button is released and either one or both relays are energized, the master contacts remain in the closed position. When the push button is released and both relays are deenergized, however, the master contacts are allowed to open.Type: GrantFiled: September 9, 1974Date of Patent: August 31, 1976Assignee: Essex International, Inc.Inventors: Robert E. Prouty, Cecil A. Lambert
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Patent number: 3956722Abstract: A control device for an eddy current retarder having a plurality of energizing windings comprises an insulating support carrying a plurality of connecting terminals for connection to the retarder windings and a junction terminal for connection to one pole of a power supply. A plurality of contactors are provided for controlling the energizing of the retarder windings, each contactor corresponding to a connecting terminal and comprising first and second fixed contact members, a bridge contact co-operating with the first and second fixed contact members, and a pull-on contactor winding controlling the bridge contact. A first contact plate connects the first contact member of each contactor to the corresponding connecting terminal and a second common contact plate connects the second contact members of the contactors to the junction terminal. Each contactor winding is connected to a respective control terminal which is connected to a control selector for consecutively energizing the control terminals.Type: GrantFiled: November 21, 1974Date of Patent: May 11, 1976Assignee: Labavia-S.G.E.Inventor: Roger Lagarde