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| Number | Title | Issue Date |
| 8174343 | Electromechanical relay and method of making same A relay comprises a movable body placed in a cavity which is formed on a substrate and surrounded by a spacer layer and sealed by a cover layer. The movable body comprises a first magnet which is permanently magnetized and has at least a first end. A nearby switchin... | 05/08/2012 |
| 7268721 | Car reversing radar sensor having fine-tuning feature A car reversing radar sensor having a fine-tuning function includes a cylinder, a sensor module, a front cover, a packing block and a back cover. The sensor module is fitted in the cylinder and a sensing angle thereof can be adjusted. The packing block includes a pu... | 09/11/2007 |
| 7190893 | Fluid heater with low porosity thermal mass A fluid heater apparatus and method of making same includes a low porosity material, thermally conductive mass. A heat source is disposed in the thermally conductive mass for imparting heat to the mass. Fluid in a flow path through the mass absorbs heat from the mas... | 03/13/2007 |
| 6952524 | Fluid heater temperature balancing apparatus A fluid heater apparatus supplies heat to wash fluid via a flow path in a thermally conductive body. A heat source is disposed in the thermally conductive body for imparting heat to the body. Fluid flowing through the thermally conductive body in a flow path envelop... | 10/04/2005 |
| 6912357 | Fluid heater A fluid heater apparatus supplies heat to wash fluid via a continuous, labyrinthian flow path in a thermally conductive body. A heat source is disposed in the thermally conductive body for imparting heat to the body. Fluid flowing through the thermally conductive bo... | 06/28/2005 |
| 6591202 | Magnetic field measuring device An apparatus and method that tests an NMR system, including MRI scanners, by taking H-B measurements for the apparatus at any stage during the manufacture thereof, to thereby detect any defects of the NMR system at any point during the manufacture thereof... | 07/08/2003 |
| 6419011 | Annular shaped interrupted solenoid activator and pump for borehole subsea use (BEI-0002) An interrupted annular solenoid activator for use in well or subsea tools is provided. An interrupted annular armature member of a ferromagnetic material has a wire coil wound about it. A separate curved annular segment of the generally toroidally shaped ... | 07/16/2002 |
| 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 |
| 5994986 | High frequency relay A high frequency relay for switching a high frequency signal includes stationary contacts and terminals formed on a substrate in a planar configuration. An upper and a lower ground layer are respectively formed on the upper and lower surfaces of the subst... | 11/30/1999 |
| 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 |
| 5936496 | Electromagnetic relay An electromagnetic relay is provided with a coil body that is preferably composed of ceramic with a winding and a U-shaped core yoke whose ends are bridged by a flat armature. The armature actuates an insulating switching spring made of ceramic or a simil... | 08/10/1999 |
| 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 |
| 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 |
| 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 |
| 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 |
| 4839619 | Relay for wideband signals A relay for wideband signals is provided having a rotor which includes a permanent magnet structure, an armature, and a microstrip pattern for selectively engaging microstrip patterns on a substrate and having a stator which includes an electromagnet. To ... | 06/13/1989 |
| 4814732 | Magnetic latching actuator A magnetic latching actuator is disclosed having an arrangement of components which cooperate to minimize internal friction, while ensuring smooth and efficient operation. The invention uses a core having at least one electrical coil. In communication wit... | 03/21/1989 |
| 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 |
| 4786278 | Therapeutic device for iontophoresing cation and anion Disclosed is a novel therapeutic device comprising means for generating a low-frequency current in which an undirectional current is superposed on a dc current; means for switching at time intervals the output polarity of said oscillating means; an electr... | 11/22/1988 |
| 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 |
| 4755782 | Magnetically operated actuator having plural permanent magnet means A magnetically operated actuator comprises a support structure: a generally elongated operating element mounted on the support structure for selective displacement between first and second positions; at least one electromagnet assembly for driving the ope... | 07/05/1988 |
| 4745382 | Electromagnetic relay for automatic assembly A relay comprises a spool with flanges (2, 3), an angular yoke (7) and an angular armature (9) positioned in front of the free end of the yoke (7). A contact element (8) attached to the free end of the yoke is provided for contacting of the relay spring (... | 05/17/1988 |
| 4742610 | Method for adjustment-free manufacture of an electromagnetic relay An electromagnetic relay having a contact tongue arranged extending within a base body and switchable between two pole plates, the contact tongue having an end secured by a hard fastening adhesive, the adjustment of the contact tongue between the pole pla... | 05/10/1988 |
| 4727344 | Electromagnetic drive and polarized relay A polarized relay with an electromagnetic drive comprises an electromagnetic yoke composed of a core wound with a coil and a yoke body, and having one end portion of one magnetic polarity and a pair of bifurcated end portions of the other magnetic polarit... | 02/23/1988 |
| 4720694 | Electromagnetic relay An electromagnetic relay has a coil member serving as a base body, an armature disposed in an axial bore in the coil member, a yoke at least one section extending outside of the coil parallel to the coil axis, a contact spring with a first section dispose... | 01/19/1988 |
| 4703293 | Polarized electromagnetic actuator device A polarized electromagnetic actuator device advantageous for single-stable armature operation comprises an armature pivotally supported for movement between two different angularly displaced positions about a pivot axis and an electromagnet with a pair of... | 10/27/1987 |
| 4692728 | Self-aligning spring mechanism for an electrical switch An electromagnetically operated relay having a spring which compensates for misalignment of a moveable block as shown and described. The movable block reciprocates within said relay housing in response to forces exerted by the electromagnet. The block inc... | 09/08/1987 |
| 4688010 | Electromagnetic relay An electromagnetic relay has a casing of electrically insulative material which is divided by an insulating partition into a coil space for receiving an electromagnet and a switching space for receiving a contact assembly. An armature is magnetically coup... | 08/18/1987 |
| 4672344 | Polarized electromagnetic relay A polarized electromagnetic relay has an armature extending through an axial opening in a coil body, a free end of the armature being switchable between two planar pole plates. The pole plates each have pole members disposed opposite one another and each ... | 06/09/1987 |
| 4658230 | Magnetically operated actuator A magnetically operated actuator which comprises a generally elongated operating element displaceable between first and second positions, an electromagnet assembly for driving the operating element to displace between the first and second positions and co... | 04/14/1987 |
| 4639702 | Reed relay The reed relay comprises a pair of fixed contact supports arranged at a regular spacing therebetween. A reed strip has a movable contact at a free end thereof and arranged so that the movable contact is positioned between the two fixed contact supports. A... | 01/27/1987 |
| 4630016 | Electromagnetic relay An improved electromagnetic relay in which movable contact pieces of contact mechanisms are fitted into grooves formed in arm portions of a movable base for a movable block, while small projections formed on the movable contact pieces are fitted into rece... | 12/16/1986 |
| 4620172 | Electromagnetic relay with switch spring The electromagnetic relay is constructed as a monostable or as a bistable relay with a rotatable tumbler switch. In both forms, there is a switch spring, that is adapted to the anchor, resolvably fastened in the anchor. Thereby an improved mass moment of ... | 10/28/1986 |
| 4609899 | Polarized electromagnet having three states and a control circuit for said electromagnet A three-state polarized electromagnet comprises a stationary system (1) surrounded by a coil (5) and a moving system (7). Each system consists of a permanent magnet (2; 14) fitted with pole pieces (3, 4; 12, 13). The ends of the pole pieces are bent-back ... | 09/02/1986 |
| 4602230 | Polarized electromagnetic relay An improved polarized relay characterized by a coil body being received in a recess of a base body along with a permanent magnet arrangement which has a pair of pole plates extending in a common plane with portions bent to form an air gap for receiving a ... | 07/22/1986 |
| 4577173 | Electromagnetic relay and method for manufacturing such relay A relay having a coil body 1 with a tongue-shaped armature mounted on the inside of the coil body and the armature is secured at one end 6a to a first coil flange 4 and its free end moveable between two pole plates 8 which are in the vicinity of the secon... | 03/18/1986 |
