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8154369 |
Method and device for controlling of a magnetic flux
A device for controlling a magnetic flux in an electromagnetic system, wherein the system includes magnetically connected magnetic cores, between which a volume is arranged. The volume includes a...
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8013697 |
Solenoidal superconducting magnet structure
A method of manufacturing a solenoidal magnet structure, includes the step of providing a collapsible accurate mold in which to wind the coils winding wire into defined positions in the mold,...
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7982566 |
Cryostat having a magnet coil system, which comprises an LTS section and an HTS section, which is arranged in the vacuum part
A cryostat (1) with a magnet coil system including superconductors for the production of a magnet field B0 in a measuring volume (3) within a room temperature bore (2) of the cryostat has a...
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7746203 |
Thermodynamic cycles
One embodiment disclosed herein is an apparatus for performing a thermodynamic cycle comprising: a sample that exhibits temporary magnetic remanence; and a magnetisation apparatus for magnetising...
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7602269 |
Permanent current switch
There is disclosed a permanent current switch which has a high temperature margin and which is thermally stable and which securely performs a switching operation between a superconducting state and...
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7229063 |
Pressure control valve
The invention concerns a pressure control valve for the control of the value of pressure in a hydraulic circuit, especially in a hydraulic circuit of a vehicle transmission, with a valve housing,...
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7196601 |
Temperature correction of wigglers and undulators
An undulator includes a periodic arrangement of magnets to produce a periodic spatial magnetic field distribution in a magnetic gap defined by the magnets. The undulator further includes a...
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7019308 |
Thermal compensation in magnetic field influencing of an electron beam
A device for influencing an electron beam, for example a beam deflecting device in an electron beam lithography machine, comprises a beam influencing coil (13) operable to influence an electron...
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6914248 |
Particle-optical apparatus and method for operating the same
A particle-optical apparatus is proposed as well as a method for operating the same. The particle-optical apparatus provides a magnetic field for deflecting charged particles of a beam of charged...
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6725668 |
Thermodynamic cycles and method for generating electricity
An apparatus for performing a thermodynamic cycle comprising: a sample having a ferromagnetic phase transition temperature; means to magnetise the sample above the ferromagnetic phase transition...
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6686688 |
Color cathode-ray tube apparatus
A color cathode-ray tube apparatus has a compensation mechanism for generating a magnetic field that compensates a change in a horizontal-deflection magnetic field due to a change in the...
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6403956 |
Temperature compensation for miniaturized magnetic sector
Temperature compensation for a magnetic sector used in mass spectrometry. A high temperature dependant magnetic sector is used. This magnetic sector is compensated by a magnetic shunt that has...
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6337031 |
Flame-retardant resin magnet material
There is provided a resin magnet material that has excellent flame retardancy, produces only a small amount of toxic substances when ignited, and yields very few molding defects; as well as an...
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6239680 |
Magnetic field stabilization method, magnetic field generating apparatus and magnetic resonance imaging apparatus
In order to provide a magnetic field stabilization method, magnetic field generating apparatus and magnetic resonance imaging apparatus that is not affected by the temperature distribution in an...
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6043728 |
Flame-resistant resin material, flame resistant resin magnet material, and electron beam controller comprising the flame-resistant resin magnet material
Provided are non-halogen, flame-resistant, resin materials and resin magnet materials, and also electron beam controllers comprising the resin magnet materials. The resin material comprises (A) a...
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5628296 |
Temperature-compensated exhaust gas recirculation system
A solenoid exhaust gas recirculation (EGR) valve (12) includes a first inductive coil (48) that generates a magnetic field when energized by a signal from a control unit (13). The magnetic field...
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5264813 |
Force motor having temperature compensation characteristics
A force motor having a cylindrical armature of ferromagnetic material is provided. An electromagnetic coil is disposed coaxially around the armature. First and second cylindrical plates are...
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5114663 |
Electromagnet for nuclear reactor shutdown system
An electromagnet for a nuclear reactor shutdown system, which comprises upper and lower cores disposed in an axially symmetrical arrangement and capable of latching with and delatching from each...
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5109693 |
Thermally stabilized accelerometer
A pair of torquer magnets each comprising a cup-shaped yoke is provided with a disk-like permanent magnet and a pole piece. A through-hole provided through the center of the torquer magnet and a...
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5103200 |
High-field, permanent magnet flux source
A first shell of magnetic material having a hollow cavity is magnetized and as a remanence to produce a first uniform field in the cavity. The first shell has a temperature coefficient such that...
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5023509 |
Color CRT-yoke combination having conforming corrective magnetic field means attached to the CRT
A color cathode-ray tube-yoke combination comprises a color cathode-ray tube having a glass envelope and a yoke for producing magnetic fields positioned thereon. At least one semi-flexible...
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4833434 |
Superconducting electromagnet for NMR imaging
A superconducting electromagnet for nuclear magnetic resonance imaging has a pair of Z gradient coils surrounded by a heat shield. The heat shield comprises an electrically-conducting tube having...
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4793372 |
Electronic vacuum regulator (EVR) with bi-metallic armature disk temperature compensator
A solenoid valve comprising: a stator; a coil responsive to current into thereto, and magnetically connected to the stator. The coil characterized such that its resistance changes with temperature...
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4788834 |
Method and system for controlling magnetic field generating unit in magnetic resonance imaging apparatus
To reduce the running cost of an MRI apparatus, power supplied to a normal conductive coil from a pre-regulator is reduced in an idling mode. This reduction in power also reduces the heat generated...
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4749975 |
Cathode ray tube deflection device having heat dissipation means
A deflection device generating magnetic field for electron beam deflection comprises, a cylindrical mold, a horizontal deflection coil provided inside the mold, a magnetic core attached to outside...
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4737752 |
Oscilloscope deflection yoke with heat dissipation means
A high-performance deflection yoke providing deflection of an electron beam in a CRT at high rates at high deflection angles. The high-performance deflection yoke includes a heat sink contacting...
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4703296 |
Thermal reed switch assembly
A thermal reed switch assembly including two magnetic reed switches having two permanent magnets and at least two semicylindrical thermal magnetic members each having mutually different magnetic...
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4673906 |
CRT deflection yoke with rigidifying means
Magnetic field formers in a cathode ray tube (CRT) deflection yoke for controlling the position of an electron beam in the CRT are secured to and maintained in position on the yoke by means of a...
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4670726 |
Convergence device for electron beams in color picture tube
A convergence device for electron beams in a color picture tube includes a pair of four-pole magnet rings, a pair of six-pole magnet rings and a pair of two-pole magnet rings, the absolute value of...
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4516101 |
Air-flow-rate sensors
A air-flow-rate sensor having a thermo-magnetically operated switch including a U-shaped temperature sensitive ferromagnetic piece, a positive temperature characteristic thermister, and two...
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4484161 |
Silicone rubber for relieving stress in magnetic material
When two pieces of magnetic material are clamped together in a magnetic circuit, a silicone rubber piece is used to control the clamping pressure in order not only to prevent material stress at the...
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4459574 |
Driving circuit for a coil
In the disclosed driving circuit for a coil, particularly for driving a coil in a device such as a camera whose shutter blades are driven with electro-magnetic force generated by a current flowing...
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4456898 |
Thermal compensators for magnetic circuits
Thermal compensators comprising at least one metallic alloy in amorphous form which are especially useful in stabilizing magnetic devices under conditions of changing ambient operating temperature...
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4449094 |
Temperature compensated magnetic damping assembly for induction meters
A temperature compensated magnetic damping assembly for providing a braking torque on an electroconductive disk of an induction device includes a pair of permanent magnets each having an easy axis...
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4377348 |
Printer head for serial dot printer
A serial printer head is provided which comprises a sandwich structure (1,3,5) of a first circular yoke plate (1), a cylindrical magnet (3) and a ring shaped second yoke plate (5); a plurality of...
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4376272 |
Magnetic field generators for use in electromagnetic focusing type cathode ray tubes
In a magnetic field generator mounted about a neck of a cathode ray tube for focusing an electron beam and made up of a permanent magnet, a magnetic field adjusting mechanism for adjusting field...
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4182984 |
Magnetic damping assembly with temperature compensator for watthour meters
A watthour meter damping assembly includes a U-shaped magnetic yoke and a pair of highly coercive and anisotropic permanent magnets projecting in facing relationship from the ends of the yoke....
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4168756 |
Electromagnetically compensated scale
A balancing scale or electromagnetically compensated weighing apparatus has an independently actuatable and temperature-sensitive magnetic device for balancing a load member; the magnetic device...
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4128010 |
Temperature compensated permanent magnet/moving coil accelerometer
A temperature compensated accelerometer of the type having a permanent magnet, moving coil rebalance system is disclosed. A cylindrical permanent magnet and surrounding sleeve produce radial...
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4027194 |
Core magnetron magnetic circuit having a temperature coefficient approximately zero and permeance related
A core type magnetron is disclosed wherein a permanent magnet is provided in an anode resonator surrounding a cathode, characterized in that said permanent magnet has a reversible temperature...
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4023128 |
Temperature responsive reed switch
A temperature responsive reed switch having magnetic reed pieces, a permanent magnet disposed near a contact of the reed switch and being magnetized in an axial direction of the reed switch, two...
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3955164 |
Electromagnetic force applying device
An electromagnetic force applying device comprises a core with an annular air gap, a coil for creating a radial magnetic field in the air gap and an armature ring movable axially in the air gap....
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3947794 |
Magnetic core assemblies with adjustable reluctance as a function of temperature
A metal strip on a magnetic core body, provided with an air gap, for a coil means, is connected to a surface of the magnetic material such that an assembly similar to a bimetal is formed....
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3890586 |
TEMPERATURE RESPONSIVE ELECTRIC SWITCH
A thermomagnetic temperature switch which uses the temperature dependent magnetic permeability properties of a preselected number of plates formed of certain alloyed materials to control the magnet...
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3873877 |
Mislanding corrector for color cathode ray tubes
A temperature-responsive magnetic device comprising a pair of permanent magnet elements, each partly enclosed in a separate magnetic element that has temperature-responsive variable permeability,...
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3843945 |
TEMPERATURE COMPENSATION OF ELECTROMAGNETIC DEVICE
A system for minimizing output linearity errors in an electromagnetic device which includes at least a coil. In a device such as a torquer, minimization of such errors is achieved by holding the...
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3831051 |
COLOR PICTURE TUBE WITH DEFLECTION CENTER CONTROL
A color picture tube consisting of a shadow mask, color prosphors, a deflection yoke and a magnetic compensating alloy ring provided adjacent to the deflection yoke for changing a magnetic flux...
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3794946 |
TEMPERATURE COMPENSATED ELECTRON BEAM CONVERGENCE APPARATUS
The gap of a pair of core members of a convergence unit for a color producing cathode ray tube is provided with a U-shaped, flux permeable, temperature compensating, magnetic member extending part...
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3764740 |
CATHODE-RAY-TUBE-YOKE COMBINATION WITH AT LEAST TWO SPACED BODIES OF ORANGIC THERMOPLASTIC MATERIAL THEREBETWEEN AND A METHOD OF MAKING SAID COMBINATION
Combination comprises a cathode-ray tube, a magnetic deflection yoke in operative releationship with the tube and at least two spaced bodies of organic thermoplastic material positioned between the...
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3739887 |
ELECTROMAGNETIC POWDER COUPLINGS
An electromagnetic powder coupling comprising an outer rotor formed by two pole piece halves centered on lateral cheeks of an amagnetic material, an excitation coil is housed between the two pole...
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