Electricity: magnetically operated switches, magnets, and electromagnets inventions 04/08

20080094155 - Trip unit having bimetal element located outside the yoke: A trip unit in a miniature circuit breaker includes a magnetic yoke and a bimetal mounted on the outside of the yoke. The bimetal is welded at one end to a load terminal that leads to a terminal connector and at the other end to a pigtail. The pigtail, instead... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080094156 - Method and device for securely operating a switching device: A method and a device are disclosed for the secure operation of a switching device including at least two main contacts which can be switched on and off and which include contact pieces and a displaceable contact bridge, and at least one control magnet which includes a displaceable anchor. The... Agent: Harness, Dickey & Pierce, P.L.C

20080094157 - Magnetizer and magnetizing method: A magnetizing coil generates a magnetic field to magnetize a magnet in a magnetizing area, in which a direction of the magnetic field is generally parallel to a magnetization direction of the magnet. A magnetizing yoke holds the magnet and is made of a magnetic material, which exhibits a magnetic... Agent: Nixon & Vanderhye, PC

20080094158 - Locking device: The disclosure relates to a locking system with an electromagnet and a yoke plate that closes the magnetic circuit of the electromagnet. In the latter, the electromagnet is fastened with a fastening element to pivot around a point on a central axis and is tightly fastened in the longitudinal direction... Agent: Buchanan, Ingersoll & Rooney PC

20080088394 - Electical switching apparatus, and movable contact assembly and contact spring assembly therefor: A contact spring assembly is provided for an electrical switching apparatus including a movable contact assembly and a stationary contact assembly having stationary electrical contacts. The movable contact assembly includes a carrier assembly, and movable contact arms pivotably coupled to the carrier assembly and carrying movable electrical contacts. The contact... Agent: Martin J. Moran Eaton Electrical, Inc.

20080088395 - Movable contactor of circuit breaker and fabrication method for finger thereof: A movable contactor of a circuit breaker, comprising: a cage for angularly rotating with one side as a axis; a plurality of fingers disposed at the cage, including a path body portion having a predetermined thickness and having one end of an inclined plane, a wire connecting portion extending from... Agent: Greenblum & Bernstein, P.L.C

20080088396 - Swtiching mechanism for air circuit breaker: A switching mechanism of an air circuit breaker that allows the overall size of the air circuit breaker to be minimal by making the width of the switching mechanism relatively small. The switching mechanism of the air circuit breaker includes both side plates, a main shaft, a main shaft lever,... Agent: Greenblum & Bernstein, P.L.C

20080088397 - Control mechanism with an operating lever and a bearing ball with integrated permanent magnet: A control mechanism has an operating lever (1) connected with a bearing ball (1a) with an integrated permanent magnet (4), the poles of which are located vertically one above the other, and which when the operating lever (1) is deflected move together with the bearing ball (1a). At least one... Agent: The Webb Law Firm, P.C.

20080088398 - Magnetic bearing system: Disclosed is a magnetic bearing system capable of simplifying a demodulation operation and reducing a processing load associated with a magnetic levitation control. A carrier signal having a frequency fc is apply to a sensor through a filter. The sensor operates to modulate the carrier signal, and a difference amplifier... Agent: Sughrue Mion, PLLC

20080084260 - Sealed contactor: A low cost, sealed contactor comprises a hermetically sealed housing with a flat header having internal components for changing the state of said contactor. Terminals are electrically connected to the internal components for connection to internal circuitry and applying an electrical signal to control the state of the contactor. A... Agent: Koppel, Patrick & Heybl

20080084261 - Magnetostriction aided switching: A method for reducing a temperature rise of a magnetic material is provided. The method includes applying force to the magnetic material to reduce a dimensional change of the magnetic material during a first part of an operation cycle, such as due to magnetostriction. The force is removed from the... Agent: Jackson Walker LLP

20080084262 - Shimming of magnet systems: A primary magnetic coil system is composed of multiple coil portions supported in predetermined relative positions, the multiple coil portions being electrically connected in series and carrying a common primary coil current during operation. The system has a corrective component that selectively causes a corrective electric current to be supplied... Agent: Schiff Hardin, LLP Patent Department

20080084263 - Electromagnetic actuator: An electromagnetic actuator includes a coil, which is formed in an annular shape, a plunger, and a stator, which receives the coil inside the stator and forms a magnetic circuit along inner and outer circumferences of the coil through the plunger. The stator includes first and second stators. The first... Agent: Nixon & Vanderhye, Pc

20080079518 - Switching device with switch latch: There is described a switching device whose disconnection cause can be identified, and a method for displaying the disconnection cause of a switching device. The switching device has a switch latch for mechanical activation of the switching device, a first tripper for overload protection, a second tripper for short-circuit protection,... Agent: Siemens Corporation Intellectual Property Department

20080079519 - Electrical switching apparatus including a split core slot motor and method of installing a slot motor assembly in a circuit interrupter: A circuit breaker includes a housing, separable contacts, an operating mechanism structured to open and close the separable contacts, a power conductor comprising a first conductor and a second reverse loop conductor, the second reverse loop conductor carrying one of the separable contacts; and a split core slot motor. The... Agent: Eaton Electrical, Inc. Technology & Quality Center

20080079520 - Stepping flexures: An actuator for moving a load has a frame forming a race between two surfaces thereof, at least two elements joined together by at least one flexible member, the elements and the at least one flexible member being disposed between the two surfaces of the frame that forms a race,... Agent: Nasa Goddard Space Flight Center

20080079521 - Electromagnetic actuator comprising an electromagnet with a coil secured to a permanent magnet, and a method of assembling such an actuator: An electromagnetic actuator comprising an actuator member (7, 8) movable under the action of at least one electromagnet (1) comprising a coil (3) associated with a core (2) arranged to channel magnetic flux generated by the coil (3) so that it loops through the actuator member, the coil comprising a... Agent: Osha Liang L.L.P.

20080079522 - Linear motor and machine tool having the same mounted thereon: The present invention provides a linear motor 1 that can prevent a magnet member 2 from falling down when a power supply is turned off. A linear motor 1 includes a magnet member 2 composed of permanent magnets having alternately arranged respective N poles and S poles and a coil... Agent: Westerman, Hattori, Daniels & Adrian, LLP