SEARCH:      Monitor Keywords |  Custom RSS

Electricity: magnetically operated switches, magnets, and electromagnets January USPTO class listing 01/08

20080024252 - Ground fault circuit interrupter device: A ground fault circuit interrupter device is described.... Agent: King & Spalding LLP

20080024253 - Starter having minimized electromagnetic switch: A starter includes a motor and an electromagnetic switch disposed close to and radially outward of the motor. The switch includes a contacts cover, a terminal bolt, and a conductive metal member. The contacts cover is cup-shaped. The terminal bolt is secured in the contacts cover so as to extend... Agent: Oliff & Berridge, PLC

20080024254 - Superconducting magnet apparatus and magnetic resonance imaging apparatus: A superconducting magnet apparatus obtains high magnetic field uniformity without increasing the volume of a magnetic material even against disturbances. The superconducting magnet apparatus has a circular superconducting coil which generates a magnetic field; a coil vessel which contains the superconducting coil 11 together with refrigerant; a thermal shield arranged... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080024255 - Magnetic element: To provide a magnetic element the ends of the coil of which can be drawn out from the core easily, is compact, and further, is one in which magnetic saturation does not arise easily. A magnetic element has a core unit provided with a wound coil, a center core 105... Agent: Dexter L. Mcfarlin Massey, Stotser, And Nichols, P.C.

20080018422 - Switching device having an electromagnetic release: The invention relates to switching equipment comprising a housing, at least one contact point that has a fixed and mobile contact part and an electromagnetic trip device comprising a trip coil and a trip armature. Said equipment is wherein the trip armature is configured from a material with magnetic shape... Agent: Buchanan, Ingersoll & Rooney PC

20080018423 - Electronic part and circuit substrate: Electrical connection is established by bringing solder bumps formed as electrical connecting terminals of an electronic part and spiral contactors formed as electrical contactors of a circuit substrate into contact with each other. The solder bumps are formed such that heights thereof relative to a surface on which the solder... Agent: Bingham Mccutchen LLP

20080012664 - Maglatch mechanism for use in lighting control pod: An electrical contact assembly includes a magnetic latch solenoid for actuating a moveable contact of a contact pair. The magnetic latch solenoid includes a magnet that latches the contact assembly in an open position, and a coil that moves an armature to the latched position under current in one polarity,... Agent: Siemens Corporation Intellectual Property Department

20080012665 - Design and method for keeping electrical contacts closed during short circuits: An electrical contact assembly resists blow-open under conditions of increased current flow. The contact assembly includes parallel conducting surfaces on fixed and moveable conductors that generate forces biasing the contacts together under current flow conditions. The assembly also includes a magnetic armature and yoke that exert a magnetic force to... Agent: Siemens Corporation Intellectual Property Department

20080012667 - Method and system for time synchronized trip algorithms for breaker self protection: A time-synchronized trip implementation for a motor circuit protector (MCP) having a reconfigurable microcontroller. The microcontroller causes a power supply to, be charged for an initial time period during a charging mode. An onboard comparator is configured for a predetermined self-protection level of the MCP, and fault currents that exceed... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080012666 - Method and system of current transformer output magnitude compensation in a circuit breaker system: A method and system to detect currents in the saturation region of a current transformer for a circuit breaker is disclosed. An example method is sensing a fault condition with a current transformer in a circuit breaker. The characteristic curve of the current transformer in a saturation mode is determined... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080012668 - Redundant trip activation: A redundant trip activation scheme whereby at least one pre-trip condition must be satisfied before a trip signal is sent to a trip solenoid of a motor circuit protector. To provide a layer of protection against spurious or nuisance tripping caused by software errors or external events such as EMF... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080012669 - Burden resistor temperature compensation algorithm: An automatic temperature compensation method that automatically adjusts trip point thresholds of a motor circuit protector in response to changes in temperature. The relationship between two curves is exploited to match temperature sensor readings from a temperature sensor circuit with burden resistor percentage values derived from a burden resistor circuit.... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080012670 - Switch-to-trip point translation: A translation technique for translating mechanical button positions of a circuit breaker to trip point settings stored in a memory of the circuit breaker. A turn of a mechanical button turns a potentiometer button, whose output is converted to scaled voltages and converted to corresponding digital values. These digital values... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080012671 - Position switch: A position switch is disclosed with a device to generate a magnetic force, with at least a first coil and at least one armature, it being possible to magnetize and move the armature via the first coil. How the magnetic force, particularly at the start of movement of the movable... Agent: Harness, Dickey & Pierce, P.L.C

20080012672 - Apparatus and method for magnetizing casing string tubulars: An apparatus for magnetizing a wellbore tubular includes a plurality of co-axial magnetizing coils deployed on a frame. The coils are typically deployed about a track on which the tubular may be traversed. Exemplary embodiments may further include a magnetic field sensor disposed to measure the imparted magnetic field along... Agent: W-h Energy Services, Inc.

20080007373 - Magnet switch with mechanism for preventing impact force imposed thereon: A magnet switch for a starter of the present invention includes a plunger and a switch frame. The plunger has a stepped part at the outer peripheral surface thereof. The switch frame has a projection at an end face thereof, the end face being opposed to the outer peripheral surface... Agent: Oliff & Berridge, PLC

20080007374 - Connection arrangement for superconductor cable shields: A connection arrangement for electrically interconnecting the shields of so-called “cold-dielectric” superconductor cables in the context of a muiltiphase superconductive electrical link, each superconductor cable comprising a central superconductor presenting superconductivity at cryogenic temperature, electrical insulation surrounding the central conductor, a shield surrounding the electrical insulation, and a cryostat surrounding... Agent: Sofer & Haroun, LLP

20080007375 - Superconducting magnet coil system with quench protection: A superconducting magnet coil system comprising a main field coil which is formed from series-connected sections, wherein the conductors of the radially inner sections contain a first superconducting material and have first electric voltage insulation, the conductors of the radially outer sections comprise a second superconducting material and are provided... Agent: Kohler Schmid Moebus

20080007376 - Micro electro mechanical system device: A micro electro mechanical system (MEMS) device is provided. The MEMS device includes: a stage which operates in a vibration mode; an axle which supports the stage and allows rotation of the stage; and a capacitive sensor which detects rotation of the stage. The capacitive sensor includes: a sensing arm... Agent: Sughrue Mion, PLLC

20080007377 - Loss-loss mn-zn ferrite and electronic part made thereof nd switching power supply: A low-loss Mn—Zn ferrite comprising Fe, Mn and Zn as main components, Co, Ca and Si as first sub-components, and at least one Va-group metal as a second sub-component: Fe and Zn being 53-56% by mol (calculated as Fe2O3) and 1-9% by mol (calculated as ZnO), respectively, and Mn being... Agent: Sughrue Mion, PLLC