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| Number | Title | Issue Date |
| 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 |
| 6879229 | Electromagnetic relay The invention provides an electromagnetic relay excellent in insulating property and high in opening and closing characteristics and productivity. Therefore, a pair of pedestal portions for coil terminals are arranged in the outer circumferential edge portion... | 04/12/2005 |
| 6859122 | Magnetic actuator with short response time Magnetic actuator having a closed magnetic circuit (26) capable of guiding a magnetic flux. The magnetic circuit (26) comprises a fixed magnetic part (30, 31, 32) with a yoke (30) and a mobile part (22), magnetically connected to e... | 02/22/2005 |
| 6492887 | Miniaturized flat spool relay The invention relates to a microrelay comprising a magnetic spool, a contact support body (2) within which contacts are arranged, a permanent magnet (32) and an armature (31) which is tiltable around it's axis between two positions, as well as a spring-lo... | 12/10/2002 |
| 6424244 | Magnetic switch The invention relates to a magnetic switch having a yoke which has the shape of a rotationally symmetrical cup on the base of which is arranged a permanent magnet. The flux of the permanent magnet is conducted via a core, which has a radial core flange, t... | 07/23/2002 |
| 6374481 | Method for making microactuator for use in mass data storage devices A piece-part microactuator (220), or micromotor, manufacturing approach is presented. In this approach, two of the NiFe parts (221,223) and dielectric and copper (225) piece-parts are manufactured separately. This allows the NiFe parts (221,223) to be des... | 04/23/2002 |
| 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 |
| 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 |
| 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 |
| 5867081 | Bistable electromagnetic relay arrangement A polarized bistable electromagnetic relay arrangement comprising at least two monostable instantaneous electromagnetic relay devices with a L-shaped yoke, a permanent magnet disposed between both relay devices so that one magnetic pole be magnetically co... | 02/02/1999 |
| 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 |
| 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 |
| 5150090 | Electromagnetic polar relay An electromagnetic polar relay comprising a first yoke having a main portion and first and second ends positioned at respective angles to the main portion; a second yoke, positioned to face the first yoke, having a lower end positioned to face the main po... | 09/22/1992 |
| 5008641 | Polarized armature contact relay A relay having a coil body with two contact spaces extending parallel to the coil body axis is provided with two tongue armatures arranged oppositely in parallel fashion through the contact spaces. The coil body has coil flanges at the opposite ends and t... | 04/16/1991 |
| 5003275 | Non-latching relay switch assembly A non-latching relay switch assembly which includes a coil section and a switch or contact section. The coil section includes a permanent magnet and an electromagnet. The respective sections are arranged in separate locations or cavities in the assembly. ... | 03/26/1991 |
| 4978935 | Electromagnetic relay A high-speed, high-reliability electromagnetic relay particularly adapted for use in electronic systems with signal frequencies from DC in excess of 20 MHz. A ferro-magnetic armature is attached to an actuator plate made of dielectric material which is in... | 12/18/1990 |
| 4912438 | Electromagnetic relay A relay has an elongated rocking armature which is mounted on a coil assembly having a centrally located fulcrum about which the armature seesaws. The coil assembly nests in, and is supported by an insulating mounting block. A cover fits over the entire a... | 03/27/1990 |
| 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 |
| 4797645 | Electromagnetic actuator An electromagnetic actuator comprising a magnetic circuit consisting of a stationary element and a movable element which actuator applies mechanical force to a valve rod, piston, electro-switch or the like and operates in a monostable manner with high sen... | 01/10/1989 |
| 4788516 | Enclosed electromagnetic relay Relay comprising an electromagnetic coil wound an an insulating bobbin, the central cavity of which encloses a central spring-biased contact actuated by a magnetic armature in response to energization of the coil, to make or break contact with one or more... | 11/29/1988 |
| 4733212 | Pulse latching solenoid A latching solenoid is provided which has first and second coils having a central axial opening arranged to produce oppositely polarized first and second magnetic fields along the axial opening. A paramagnetic path is provided from the central opening aro... | 03/22/1988 |
| 4730176 | Electromagnet having a pivoted polarized armature An electromagnet device is assembled to, e.g., an electromagnetic relay. This device comprises a movable assembly which is swingably supported and a core in which a coil is wound around a part thereof. The movable assembly has two magnetic plates arranged... | 03/08/1988 |
| 4701721 | Core formed of hard and soft magnetic materials for an electrical relay apparatus A miniaturized electromechanical relay (1) having an armature (14) and a spring assembly (13) mounting contacts with a magnetic core member (15) for activating the armature to operate the spring assembly to engage and disengage the contacts. The magnetic ... | 10/20/1987 |
| 4570138 | Balanced armature type relay A balanced armature type relay includes a coil assembly 2 with a coil 20 and an ion core 21 extending through the coil 20, an armature assembly with a pair of frame-shaped upper and lower armatures 3, 4 disposed parallel to each other and so as to surroun... | 02/11/1986 |
| 4542359 | Polar relay A polar relay comprises a contact spring assembly, a permanent magnet assembly, a winding assembly and an armature assembly which are arranged on a frame body assembly made of an insulating material. All the assemblies are positioned adjacent to and paral... | 09/17/1985 |
| 4481493 | Polarized electromagnetic relay A polarized electromagnetic relay has two U-shaped angled yokes which are parallelly disposed on opposite sides of a permanent magnet. Each yoke has two free lateral legs projecting upwardly at opposite ends of the yoke respectively forming two pairs of y... | 11/06/1984 |
| 4342016 | Transfer-type electromagnetic relay comprising a coil around a housing of the relay and an armature carrying movable contacts at both ends In a transfer-type electromagnetic relay, movable contact studs are attached to both ends of a leaf spring (38) fixed onto an armature (39) for reducing the relay thickness. Leads (26, 27) for fixed contact studs are made of a soft magnetic material. Perm... | 07/27/1982 |
| 4206431 | Monostable electromagnetic rotating armature relay An electromagnetic relay provided with a rotating armature and two yoke arms, which form equally acting working air gaps, a monostable switching characteristic being achieved by means of respective additional pole pieces, whereby each yoke arm of the rela... | 06/03/1980 |
