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| Number | Title | Issue Date |
| 7330091 | Electronic type protective relay An electronic type protective relay integrates the mechanical structure into a single operation rod to protect electric machinery. The electronic type protective relay includes an insulating shell, a tripping rod, a magnetic-force device and an operation device. The... | 02/12/2008 |
| 7315229 | Electromagnetic relay Provided is an electromagnetic relay which does not require a braided wire for securing a current capacity of a main contact unit. The electromagnetic relay includes a main contact unit inserted into a power supply path to a load and an arc contact unit connected in... | 01/01/2008 |
| 7157994 | Electromagnetic relay For manufacturing a thin electromagnetic relay having desired attractive force, both arms as upstanding portions disposed at both ends of a barrel of a plate magnetic material which is punched to be substantially U-shaped as viewed from the front by press working ar... | 01/02/2007 |
| 7042319 | Thin film electromagnet and switching device comprising it The present invention provided a thin-film electromagnet including a magnetic yoke and a thin-film coil, characterized in that the magnetic yoke includes a first magnetic yoke and a second magnetic yoke making contact with the first magnetic yoke, the first magnetic... | 05/09/2006 |
| 7026896 | Relay with a core having an enlarged cross-section The invention relates to a relay comprising a coil bobbin, a core penetrating the coil bobbin and a yoke. To achieve a high switching force with a low overall height, the cross-sectional area of the core is greater in the region toward the transition to the yoke tha... | 04/11/2006 |
| 6927352 | Lateral displacement multiposition microswitch A multiposition microswitch that includes a cavity, a mobile portion made of a deformable material extending above the cavity, at least three conductive tracks extending on the cavity bottom, and a contact pad on the lower surface of the mobile part. The mobile part... | 08/09/2005 |
| 6750744 | Electromagnetic relay An electromagnetic relay is provided with an iron core (50) which has a virtually J-letter shape on a plan view with one end serving as a support-receiving portion (51) and the other end serving as a magnetic pole portion (52), and a movable iro... | 06/15/2004 |
| 6611184 | Relay An electromagnetic relay having a base and an armature. The base having a first fixed contact support having a first fixed contact and a second fixed contact support having a second fixed contact. The armature having a first end and a second end. A contac... | 08/26/2003 |
| 6545575 | Relay and method of manufacture thereof In a relay (100), right and left sides of an edge on an upper end side of an L-shaped armature (201) are bent to form an engagement portion (201a) and the armature 201 is held to be rocked and displaced through an energizing spring piece (205c) of a hinge... | 04/08/2003 |
| 6359537 | Electromagnetic relay, method of adjusting the same, and method of assembling the same A electromagnetic relay includes a spool, a coil, a U-shaped yoke, an armature, a movable contact, a pair of stationary contacts, and a taper. The spool has an inner hole and first and second flange portions formed at its two ends. The coil is wound on th... | 03/19/2002 |
| 6232858 | Electromagnetic relay A relay is formed by a magnet system which includes a wound coil body, an L-shaped core arranged axially therein and an, L-shaped armature as well as an insulator base from which side terminal elements project and in which stationary and movable contact e... | 05/15/2001 |
| 6225880 | Electromagnetic relay The inventive relay has a base body in the form of a coil body (1), the base body supporting a core (16), a yoke (20), an armature (22) and a contact spring (23) which is connected to the armature. Fixed contact supports (34) and a contact spring connecti... | 05/01/2001 |
| 6133813 | Electromagnetic relay A relay has a leaf spring that is secured to a planar seating section of a yoke leg and/or to the planar seating section of the armature and has an unsecured spring section extending beyond the free end of the yoke leg or, respectively, the armature. In o... | 10/17/2000 |
| 6043730 | Electromagnetic actuator An electromagnetic actuator has an iron core around which a coil is wound; two permanent magnets, the same poles of which are placed on the ends of the core which extend beyond the coil and which have the same direction of polarity; magnetic poles formed ... | 03/28/2000 |
| 5986529 | Electromagnetic relay An inexpensive electromagnetic relay with a simple configuration is provided which does not require a sliding core to attain the desired operating characteristics. The electromagnetic relay includes a movable component which is supported on an upper end o... | 11/16/1999 |
| 5959519 | Electromagnetic switching device A switch device including an inner yoke and an outer yoke are arranged around the winding of an electromagnetic block, and a plate-shaped permanent magnet is inserted between the two yokes. A highly efficient actuation of the switching device is achieved ... | 09/28/1999 |
| 5929730 | Electromagnetic relay and method of manufacture thereof A single or double relay is provided. The relay has a base and a coil body. Each relay has a coil with an axis parallel to the bottom side of the base, an angled yoke and a plate-shaped armature. The armature is connected to a contact spring that is split... | 07/27/1999 |
| 5900791 | Armature-mounting arrangement for a hinged-armature relay An armature-mounting arrangement for a hinged-armature relay includes a yoke (3), an armature (1) positioned at an end portion of the yoke, and an armature holding spring (2) which has at least one switching contact thereon and which is mechanically coupl... | 05/04/1999 |
| 5894254 | Electromagnetic relay A relay is formed by a magnet system containing a wound coil body, an L-shaped core arranged axially therein, an L-shaped armature and a base element with terminal elements. Stationary and moving contact elements are arranged between the base element and ... | 04/13/1999 |
| 5889454 | Electromagnetic relay and method of manufacture thereof An electromagnetic relay and methods for its manufacture are provided. The relay has a coil body with flanges and with at least one winding disposed between the flanges. A rod-shaped core is respectively arranged axially inside each winding. The yoke is s... | 03/30/1999 |
| 5864268 | Electromagnetic relay and method of adjustment of a response voltage thereof An electromagnetic relay constructed as a hinged-armature relay in which an armature (5) is attached to a flat-shaped spring (6) which spring is constructed as one piece to serve both as a switch-contact spring and as a return spring and which is mechanic... | 01/26/1999 |
| 5861785 | Electromagnetic relay An electromagnetic relay, having a core 3 fixed by press-fitting in a yoke 4, which is facilitated in attaching operation and eliminated of the possibility, during press-fitting, of being placed in poor contact by metal chips produced by cutting away the ... | 01/19/1999 |
| 5844456 | Electromagnetic relay An electromagnetic relay is provided with an electromagnet system with a U-shaped core yoke and an essentially flat armature, which form a working air gap on a longitudinal side underneath the coil winding. One yoke limb lies immediately on the coil windi... | 12/01/1998 |
| 5801608 | Electromagnetic relay with combined contact/reset spring The relay has a magnet system with an armature that operates on a switching spring via an actuating element. This switching spring has a frame-shaped contact spring as well as a fork-shaped reset spring, intermeshed in one plane and mutually decoupled, wh... | 09/01/1998 |
| 5781089 | Electromagnetic relay An electromagnetic relay includes a winding, a magnetic core disposed within the winding, and an armature mounted for movement at a first end of the winding. At least one movable circuit contact is operably associated with the armature and movable with re... | 07/14/1998 |
| 5748061 | Electromagnetic relay An electromagnetic relay has low heat transmission from the electromagnetic block to the contacts and a conductive circuit would have low electrical resistance. In the relay, a movable contact terminal is caulked to a yoke with a flat protruding segment b... | 05/05/1998 |
| 5574416 | Electromagnetic relay An electromagnetic relay is composed of a coil wound around magnetic core, a U-shaped magnetic pole member connected to an end of the magnetic core and provides a space, a yoke member connected to the other end of the magnetic core, an armature movably co... | 11/12/1996 |
| 5519369 | Electromagnet system and a method and device for joining the core and yoke in the case of the electromagnet system The electromagnet system has a bent yoke and a round core which has a constant cross-section from a pole end towards a mounting end, and the core has an outwardly expanded tapered section at the mounting end. The core is inserted from the outside into a h... | 05/21/1996 |
| 5270674 | Electromagnetic relay An electromagnetic relay of the present invention has a large dielectric strength between a coil and each contact because of an insulative member interposed therebetween. Even if the straight distance between the coil and each contact is small, it is poss... | 12/14/1993 |
| 5126710 | Electromagnetic relay polarized by a permanent magnet A high-sensitivity electromagnetic relay comprises a magnetic circuit polarized by a permanent magnet, a flux distributor, an operating coil, and a moving core cooperating with the flux distributor by means of an air-gap. A return spring passes completely... | 06/30/1992 |
| 5015978 | Electromagnetic relay A miniature flat relay comprising upper and lower insulating housing member. The lower member has a coil which snugly fits therein. The coil contains a core with a centrally located permanent magnet which energizes a U-shaped magnetic structure and provid... | 05/14/1991 |
| 4994776 | Magnetic latching solenoid A latching solenoid which effects latching through a magnetic flux arrangement rather than a electromechanical latching mechanism. An electro-magnetic arrangement is used to move the solenoid from one latched position to the other.... | 02/19/1991 |
| 4975666 | Polarized electromagnetic relay A polarized electromagnetic relay is designed to have a minimum height as less as that of an electromagnet block constituting one major part of the relay. The relay includes a base which is formed to receive the electromagnet block and to have a set of fi... | 12/04/1990 |
| 4914411 | Electro-magnetic relay The electro-magnet relay of the present invention utilizes an iron core and an armature both formed as flat plates stacked together. Further, a stationary leaf spring and a moveable leaf spring are provided in the middle section of the iron core having tw... | 04/03/1990 |
| 4881053 | Electromagnetic relay An electromagnetic relay having an electromagnetic block with a roughly U-shaped iron core formed with a pair of bent opposing magnetic poles at both the ends thereof and with a coil wound therearound via a spool; and an armature block with both ends ther... | 11/14/1989 |
| 4827232 | Relay, particularly miniature relay A relay, particularly a miniature relay, comprising a mounting base of insulating material having the contact system and the magnet system attached thereto a slip-on cover extends to the bottom of the mounting base, through which the coil and contact term... | 05/02/1989 |
| 4795994 | Electromechanical DC-RF relay A high-speed, high-reliability electromagnetic relay particularly adapted for use in electronic systems in a configuration suitable for signal frequencies from DC to about 8 GHz. A permanent magnet is embedded in a nonconductive material, which is adapted... | 01/03/1989 |
| 4792776 | Miniaturized electromagnetic relay for switching high voltages A miniature relay (1) capable of switching high currents combines the armature spring function with that of at least one (72, 73) movable contact. One end (71) of the spring is attached to the core (3) while the other end (75) is movable and attached to t... | 12/20/1988 |
| 4772865 | Flat-type polarized relay A flat-type polarized relay with contact springs disposed at the sides of a parallel to the coil system. A magnetic core projects beyond the coil form and cooperates with movable pole plates disposed together with a permanent magnet in a transversely mova... | 09/20/1988 |
| 4758809 | Electromagnetic relay having a multifunction retaining spring An electromagnetic relay of the type having an insulative base (1) which supports an electromagnetic assembly (2, 3) and a contact assembly (6) separated by partition walls (14, 15) includes a multipurpose retaining spring (4). The retaining spring is ada... | 07/19/1988 |
