Patents for H01F 7 - Magnets (20,067)
08/1988
08/09/1988US4763091 Air gap setting device for electromagnets
08/04/1988DE3701985A1 Ballast electronics for an apparatus which can be energised by DC voltage
08/03/1988EP0276974A2 Highly flexible, shielded, multi-conductor electrical cable
08/03/1988EP0276508A1 Nuclear magnetic resonance apparatus having a detection coil including a decoupling circuit with p-i-n diodes
08/03/1988CN88201346U 电磁铁 Electromagnet
08/02/1988US4761579 Electromagnetic levitation device
08/02/1988US4761575 Servo-valve and a control motor therefor
08/02/1988US4761519 Highly flexible, shielded, multi-conductor electrical cable
08/02/1988CA1239967A1 Solenoid assembly
08/02/1988CA1239962A1 Electromagnetic drive and polarized relay
07/1988
07/28/1988WO1988005519A2 Cryogenic recondenser with remote cold box
07/27/1988EP0276123A2 Magnetic field generating assembly
07/27/1988EP0276034A2 Nuclear magnetic resonance imaging method
07/27/1988EP0275684A1 High energy toroidal inductor
07/26/1988US4760491 Fail-safe brake valve driver
07/26/1988US4759528 Valve actuator
07/26/1988CA1239690A1 Bistable solenoid control circuit
07/25/1988EP0274481A4 Two-axis force motor.
07/21/1988DE3700540A1 Solenoid-actuated 2/2-way directional control valve
07/20/1988EP0274481A1 Two-axis force motor.
07/20/1988CN87105247A Electromagnet, valve assembly and fuel metering apparatus
07/19/1988US4758813 Cylindrical NMR bias magnet apparatus employing permanent magnets and methods therefor
07/19/1988US4758812 Frame structure for a magnet system for nuclear spin tomography
07/19/1988US4758811 Bistable solenoid actuator
07/19/1988US4757924 Use in a beverage dispenser for measuring concentration
07/14/1988WO1988005207A1 Electromagnetic actuator
07/12/1988US4757261 Magnetic field homogeneity
07/12/1988US4756506 Flexible valve
07/06/1988EP0273484A2 Magnetic resonance imaging apparatus comprising a stacked surface coil system
07/05/1988US4755782 Magnetically operated actuator having plural permanent magnet means
07/05/1988US4755780 Ferromagnetic resonator having temperature compensation means using pre-coded compensation data
07/05/1988US4755755 Compact transverse magnetic gradient coils and dimensioning method therefor
07/05/1988US4755288 Apparatus and system for magnetically treating fluids
07/05/1988US4754532 Adjustable quick release magnetic holding assembly
06/1988
06/29/1988EP0272411A1 Passive shimming assembly and method of determining shim placement for mr magnet
06/28/1988CA1238515A1 Impact printer actuator
06/22/1988EP0272164A2 Bistable-polarised electromagnet
06/21/1988US4752757 Electromagnetic actuator
06/16/1988WO1988004465A1 Support provided with magnetic sheet
06/16/1988DE3641023A1 Single-stage, electrohydraulic servo valve
06/15/1988EP0270536A1 Actuating system.
06/14/1988US4751487 Double acting permanent magnet latching solenoid
06/14/1988US4751053 Magnetic device for removing magnetic gel balls from a medium to be analyzed and transferring them to an immunoenzymatic quantitative anaylsis medium
06/14/1988CA1238082A1 Controlled force variable reluctance actuator
06/08/1988CN87207559U Electromagnet with strong magnetizing effect
06/08/1988CN87108042A Magnetic resonance imaging apparatus comprising stacked surface coil system
06/07/1988US4749978 Magnet for catching thereon foreign bodies within reticulum or ruminant, and method and instrument for manufacture thereof
06/07/1988US4749976 Solenoid
06/07/1988US4749948 NMR imaging systems
06/07/1988US4749892 Spring arrangement with additional mass for improvement of the dynamic behavior of electromagnetic systems
06/07/1988US4748738 High strength magnet-pole piece assembly tool
06/07/1988CA1237761A1 Actuator system having magnetomechanical cantilever beam
06/01/1988EP0269146A2 Apparatus for mounting coils
06/01/1988EP0268619A1 Electromagnetic actuation device.
06/01/1988CN87203692U Dc cylindrical coil
05/1988
05/31/1988US4748429 Solenoidal magnet with homogeneous magnetic field
05/31/1988US4748414 Nuclear spin tomograph
05/26/1988DE3640235A1 Ferromagnetic energy converter
05/24/1988US4746889 Method of making a magnet arrangement and magnet arrangement made by the method
05/24/1988US4746888 Solenoid for electromagnetic valve
05/24/1988US4746887 Hollow cylindrical movable body for an electromagnet
05/24/1988US4746886 Electromagnetic actuator
05/19/1988WO1988003646A1 Nuclear magnetic resonance imaging system
05/19/1988DE3639295A1 Solenoid in accordance with the dynamic principle
05/18/1988EP0267455A1 Impulse current generator switched to a load
05/18/1988EP0267253A1 Method and device for controlling an electromagnet of which the energization by a monoarch periodic current causes the actuation of a moveable part.
05/18/1988CN87209601U Big stroke bistable pulse electro-magnetic driver
05/17/1988US4745387 Coil connection for an ironless solenoidal magnet
05/17/1988US4745386 For reducing an amount of increased plunger force
05/11/1988EP0267162A2 Pressure-regulating solenoid valve, particularly for high-pressure circuits of fuel injection systems for internal combustion engines
05/11/1988DE3638046A1 Coil arrangement
05/11/1988DE3637350A1 Housing arrangement with coil
05/11/1988CN87203156U Ac-dc dual-purpose energy-saving electromagnetic plug
05/10/1988US4743880 MRI magnet system having shield and method of manufacture
05/10/1988US4743879 Solenoidal magnet with high magnetic field homogeneity
05/10/1988US4742988 Electrical apparatus including solenoid device and energization control circuit therefor
05/10/1988US4742964 Electromagnetic fuel injector
05/10/1988CA1236526A1 Solenoid for nmr spectroscopy
05/03/1988US4742322 Direct drive servovalve with rotary force motor
04/1988
04/28/1988DE3734542A1 Electromagnetic seat valve
04/28/1988DE3733809A1 Solenoid valve
04/28/1988DE3635551A1 Pressure-tight electrical solenoid (solenoid actuator)
04/27/1988EP0265364A1 Permanent magnet assembly and method of making same
04/27/1988CN87210650U Forced air cooling lifting electro-magnet
04/26/1988US4740772 Gradient coil for image formation devices using nuclear magnetic resonance
04/26/1988US4740758 Apparatus for generating a magnetic field in a volume having bodies influencing the field pattern
04/21/1988WO1988002925A1 Spherical permanent magnet with equatorial access
04/21/1988WO1988002924A1 Cylindrical permanent magnet with longitudinal induced field
04/21/1988WO1988002923A1 Cylindrical permanent magnet for producing a uniform and transverse induction field
04/21/1988WO1988002922A1 Magnetic block with adjustable magnetization for producing a permanent magnetic field in a zone of interest
04/14/1988DE3730077A1 Vorrichtung zur magnettherapie, sowie magnete hierfuer Apparatus for magnetic therapy, as well as magnets here for
04/13/1988EP0263581A2 Magnetically operated actuator
04/12/1988US4737718 Magnetic resonance imaging apparatus including a bird-cage r.f. coil
04/12/1988US4737716 Self-shielded gradient coils for nuclear magnetic resonance imaging
04/12/1988US4737696 Actuator drive circuit
04/07/1988WO1988002544A1 Solenoid driver control circuit with initial boost voltage
04/06/1988EP0262880A2 Magnetic field generating device for NMR-CT
04/05/1988US4736178 Lead-out arrangement for an electromagnetic switch
04/05/1988US4736177 Solenoid actuator with electrical connection modules
04/05/1988US4736176 Transition disk in a solenoidal magnet with Bitter type annular disks