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| Number | Title | Issue Date |
| 8134440 | Planar-helical undulator A planar-helical undulator for emitting 360° electrically variable photo radiation, including a first coil and a second coil disposed relative to an undulator axis, an axis of the first coil and an axis of the second coil and the undulator axis being parallel to ea... | 03/13/2012 |
| 8106736 | Solenoidal magnets having supported outer coils In a solenoidal electromagnet arrangement for a magnetic resonance imaging system, annular inner coils and annular end coils are provided, all concentrically aligned about an axis, the end coils being placed at axial extremities, axially outside of the inner coils. ... | 01/31/2012 |
| 7902949 | Electric power connection part of magnetic clutch field coil assembly The present invention relates to an electric power connection part of an electromagnetic cluth field coil assembly coupled with a vehicle compressor. Since the electric power connection part has the discharge device and/or the magnetic field elimination devic... | 03/08/2011 |
| 7884690 | Precise multi-pole magnetic component A method is provided to manufacture a precise multi-pole magnetic component for using in magnetic encoders. A special layout of the circuit pattern is designed and formed on a printed circuit board (PCB). Alternate and regular magnetic field is induced according to ... | 02/08/2011 |
| 7825760 | Conical magnet An electromagnet having a conical bore. The conical bore is created by wrapping a conductor around a conically-offset helix. The cross sectional area of the conductor can be varied in order to maintain a desired current carrying capacity along the helix. A single el... | 11/02/2010 |
| 7746204 | Field coil assembly of electromagnetic clutch The present invention relates to a field coil assembly of an electromagnetic clutch for a compressor. A field coil assembly according to the present invention includes a field coil member 20 having a coil wire 22 extending outward; a power connecting m... | 06/29/2010 |
| 7663458 | Coil system for contact-free magnetic navigation of a magnetic body in a working chamber A magnetic body is displaceable in a contact-free manner in a working chamber by the use of a magnetic coil system composed of fourteen individually controllable coils. Three magnetic field components and five magnetic field gradients are produced. Apart from two in... | 02/16/2010 |
| 7656259 | Precise multi-pole magnetic component A method is proposed to manufacture a precise multi-pole magnetic component for using in magnetic encoders. A special layout of the circuit pattern is designed and formed on a printed circuit board (PCB). Alternate and regular magnetic field is induced according to ... | 02/02/2010 |
| 7626478 | Multilayer aligned-winding coil A multilayer aligned-winding coil (1) of a wide width wire, each layer having an obliquely crossing winding part extending obliquely with respect to a cross-section in one partial angular region of a virtual endless ring defined by the cross-section, and a tr... | 12/01/2009 |
| 7623013 | Electromagnetic moving system An electromagnetic moving system comprises a stator, a moving body and a controller. The stator comprises a circuit board with two layers of electrically connected coil windings spaced apart in a series way and made as spirals with center and peripheral points. The ... | 11/24/2009 |
| 7609139 | Split Florida-helix magnet An electromagnet having at least one access port oriented perpendicularly to the electromagnet's central axis. The magnet has a conventional helical winding along its central axis. However, at some point along the length of the axis, the pitch of the helical winding... | 10/27/2009 |
| 7522027 | Magnet assembly and a method for constructing a magnet assembly A magnet assembly comprising a former having an outer surface (20) with a cavity (12) formed therein, and a coil (14) wound into the cavity (12), said cavity being of greater depth than the coil, wherein the coil is overlain with a layer ... | 04/21/2009 |
| 7479860 | Magnetic field generating assembly and method A magnetic field generating assembly comprising a set (A1-A3;B1-B3;C1-C3) of, typically substantially coaxial, coils substantially symmetrically arranged about a plane orthogonal to the axis. At least some of the coils carry... | 01/20/2009 |
| 7463129 | Magnet structure A magnet structure includes a permanent magnet assembly and first and second pole assemblies. The permanent magnet assembly includes an enclosure having an open portion and a magnetic mass disposed within the enclosure. Each of the first and second pole assemblies i... | 12/09/2008 |
| 7439836 | Magnetic field generating apparatus for magnetic resonance imaging A Magnetic Resonance Imaging (MRI) system is disclosed. The MRI system includes a cryogenic magnet assembly with a cryogenic vessel housing a superconducting magnet. Disposed radially inboard of the cryogenic magnet assembly are a gradient coil module and a pluralit... | 10/21/2008 |
| 7432791 | Magnet arrangement for carrying, guiding and/or braking systems in magnetic levitation vehicles A magnet arrangement (1) for magnetic levitation vehicles is described that is comprised of an electromagnet having a plurality of magnet poles, said magnet poles having cores connected via pole backs (4) and coils (5) coiled onto them, said coi... | 10/07/2008 |
| 7431262 | Digital regulators Digital regulators using a plurality of latching solenoid actuators, each having a spring return, the springs being configured to provide a force on the valve member of a regulator, when the solenoid actuators are unlatched, in a binary progression. The solenoid act... | 10/07/2008 |
| 7403089 | Magnet assemblies This invention relates to magnetic assemblies and, in particular, to assemblies which are useful for inducing magnetic fields within vacuum chambers. Thus a magnetic assembly, generally indicated at 10, includes the rectangular magnetically soft core 11 | 07/22/2008 |
| 7375528 | Shielded, asymmetric magnets for use in magnetic resonance imaging Magnetic resonance systems are provided which employ a shielded, asymmetric magnet to produce an offset dsv. The magnets include at least a first coil C1, which carries current in a first direction, and two coils C2 and C3, which are... | 05/20/2008 |
| 7372351 | Radial lead type inductor A radial lead type inductor is disclosed. The trailing wire of the winding extends from the inner side of the other collar, which faces against the one collar, to the outer side of the collar through an arbitrary position on the circumference of the other collar, ex... | 05/13/2008 |
| 7365540 | Hybrid magnet configuration A co-axial magnet configuration for the production of a magnetic field and investigational volume which is suitable for measurement of magnetic resonance has at least one superconducting solenoid coil or solenoid coils which are radially nested within each other, wh... | 04/29/2008 |
| 7362878 | Magnetic assembly for a transducer A transducer suitable for use as a microphone or receiver in a hearing aid has a housing and a diaphragm disposed within the housing. A motor assembly is also disposed within the housing and operatively coupled to the diaphragm. The motor assembly includes a magnet ... | 04/22/2008 |
| 7360751 | Magnet unit A magnet unit is provided with a solenoid with a coil whose core is attached in a recess on the front side of a base, with a movable anchor activated by a recoil spring with a valve closing element and with a protective cap attached on a shoulder of the base within ... | 04/22/2008 |
| 7358734 | Single-sided NMR sensor with microscopic depth resolution A low-cost single-sided NMR sensor to produce depth profiles with microscopic spatial resolution is presented. The open geometry of the NMR sensor provides a non-invasive and non-destructive testing method to characterize the depth structure of objects of arbitrary ... | 04/15/2008 |
| 7358726 | System of generating a magnetic field and MRI system using the system of generating a magnetic field An MRI system using an open type magnet, wherein two coils different in radius for generating gradient magnetic fields in a vertical direction are arranged in the open type magnet for generating a static magnetic field in the vertical direction. Currents are caused ... | 04/15/2008 |
| 7355499 | Magnet assembly A magnet assembly comprising first and second sets of coils (1, 2) for generating respective magnetic fields, wherein the coils are constructed and arranged such that under working conditions, a first homogeneous region (3) can be generated within the ... | 04/08/2008 |
| 7348780 | Asymmetric radio frequency coils for magnetic resonance Asymmetric radio frequency (RF) coils for magnetic resonance applications are provided. Also provided are time harmonic methods for designing such coils as well as symmetric coils. In addition, methods for converting complex current density functions into discrete c... | 03/25/2008 |
| 7330092 | Superconductor magnet coil configuration A superconducting magnet coil configuration comprising at least one section of a superconducting strip conductor, which is continuously wound in a cylindrical winding chamber (1) between two end flanges (2, 3) in several solenoid-like layers is charact... | 02/12/2008 |
| 7330031 | Matrix shim system with grouped coils A matrix shim system for generating magnetic field components superimposed on a main static magnetic field, comprising a plurality of annular coils, is characterized in that it comprises g groups G1 . . . Gg of coils, with g being a natural num... | 02/12/2008 |
| 7325564 | Linear solenoid valve A linear solenoid valve includes a solenoid having a coil wound around a coil bobbin, a fixed core, and a movable core for being attracted to the fixed core when the coil is energized, and a valve mechanism having a valve element for selectively bringing an inlet po... | 02/05/2008 |
| 7317369 | Superconductor magnet coil configuration A superconducting magnet coil configuration comprising at least one section of a superconducting strip conductor, which is continuously wound in a cylindrical winding chamber (1) between two end flanges (2, 3) in several solenoid-like layers is charact... | 01/08/2008 |
| 7311107 | Navigating and maneuvering of an in vivo vehicle by extracorporeal devices A device for mobilizing, rotating and maneuvering an in vivo vehicle introduced into a subject by extracorporeal devices which control the position and motion of such a vehicle by detection and modulation of the strength and direction of the electromagnetic field ve... | 12/25/2007 |
| 7308833 | Torque sensor, wire harness, electric power steering assembly and terminal holder In a torque sensor having lead pins connected to a wire harness, the wire harness includes: a plurality of lead wires; a plurality of connection terminals each having a sleeve mounted around each of the lead pins and a connection portion extended from an outer perip... | 12/18/2007 |
| 7301341 | MRI gradient waveform design using convex optimization A time-optimal MRI gradient design method utilizes constrained optimization to design minimum-time gradient waveforms that satisfy gradient amplitude and slew-rate limitations. Constraints are expressed as linear equations which are solved using linear programming, ... | 11/27/2007 |
| 7296781 | Electromagnetic fuel injection valve An electromagnetic fuel injection valve includes a coil assembly housed in a solenoid housing having a cylindrical magnetic metal coil case which integrally has, at one end side, a ring-shaped end wall portion and a press-fit cylindrical portion integrally connected... | 11/20/2007 |
| 7295092 | Gapped core structure for magnetic components A magnetic component includes a first monolithic core structure having a plurality of magnetic layers and at least one nonmagnetic layer separating one of the plurality of magnetic layers from another of the plurality of magnetic layers. A first opening extends thro... | 11/13/2007 |
| 7295012 | Methods and apparatus for MRI shim elements A MRI shim element includes a plurality of thin wires extending substantially parallel to each other wherein each wire has cross sectional dimensions less than δsk, wherein δsk is the wire's skin depth. ... | 11/13/2007 |
| 7286033 | Ferro-magnetic force field generator A strong-magnetic-force field generating device is provided which can increase a magnetic force field and which can make the magnetic force field spatially uniform without adding an additional superconducting magnet to a commercially-available superconducting magnet... | 10/23/2007 |
| 7285956 | Nuclear magnetic resonance device A nuclear magnetic resonance apparatus includes a nuclear magnetic resonance device for elucidating atomic configuration and molecular structure of a substance based on a decay signal of induced electromotive force caused by resonance precession of nuclear magnetic ... | 10/23/2007 |
| 7279630 | Automatic player musical instrument, automatic player used therein and method for exactly controlling keys An automatic playing system creates a feedback control loop for the keys incorporated in an acoustic piano; key sensors, which are provided under the front portions of the keys, informs a motion controller of current positions, and the motion controller periodically... | 10/09/2007 |
