Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 7 - Magnets
Patents for H01F 7 - Magnets (20,067)
01/1997
01/14/1997US5593132 Electromagnetic actuator arrangement for engine control valve
01/08/1997EP0752152A1 Multi-air gap magnetic actuator
01/07/1997US5592356 Dual coil actuator with timing circuit
01/03/1997WO1997000525A1 Circuit arrangement for operating an electromagnet
01/03/1997WO1997000153A1 Magnetic clamping device
12/1996
12/31/1996US5589039 In-plane parallel bias magnetic field generator for sputter coating magnetic materials onto substrates
12/31/1996US5588201 Process for producing a cast resin coil
12/27/1996WO1996041947A1 Method of adjusting a solenoid air gap
12/25/1996CN1138736A General compounded permanent magnet
12/24/1996US5586747 Adjustable solenoid valve with improved stability
12/24/1996CA2123659C Solenoid control circuitry
12/19/1996WO1996041357A1 Magnetic flux bending devices
12/19/1996DE19522582A1 Schaltungsanordnung zum Betrieb eines Elektromagneten Circuit arrangement for operating an electromagnet
12/19/1996DE19521676A1 Armature pick=up control e.g. for operating magnet or solenoid of IC engine gas exchange valves
12/18/1996EP0749017A1 Self-shielded gradient coils for nuclear magnetic resonance imaging
12/18/1996EP0748670A1 An actuation apparatus
12/18/1996EP0643806B1 Solenoid operated fluid valve
12/18/1996CN2243115Y Magnetic seat
12/17/1996CA2132656C Magnet housing
12/12/1996DE19547279A1 Oblique magnetic field generator e.g. for installing in superconducting magnet of NMR medical diagnosis device
12/12/1996DE19521078A1 Energy saving solenoid circuit for actuating control devices e.g. gas exchange valves for IC engine
12/11/1996EP0747618A1 Solenoid valve for heat insulating pipes and fixing structure for the same
12/11/1996EP0746714A1 Low power electromagnetic valve
12/11/1996CN1033542C Magnetic fastener means
12/10/1996US5583473 Magnet roll and method of producing same
12/10/1996US5581972 Container opening apparatus
12/05/1996DE19622093A1 Magnetic roll manufacturing process for electrophotographic equipment
12/05/1996DE19520329A1 Unipolar magnet arrangement
12/04/1996EP0745263A1 Solenoid current driver circuit
12/04/1996EP0744986A1 Magnetic filtration device
12/04/1996CN1137325A Solenoid
12/04/1996CN1137121A Health glasses
12/03/1996USH1615 Magnetic fields for chiron wigglers
12/03/1996US5581222 Solenoid valve assembly with rapid connection clip
12/03/1996US5580400 Magnetically anisotropic permanent magnet
11/1996
11/28/1996WO1996037406A1 Electro-magnetic expulsion de-icing system
11/27/1996EP0744548A2 Refrigerant compressor with rotation detecting means
11/27/1996EP0688462B1 High efficiency, low leakage permanent magnet
11/26/1996US5578979 Electromagnetic apparatus
11/26/1996US5578978 Electro-fluid actuator and system
11/26/1996US5578904 Method and apparatus for determining the position of an armature of an electromagnetic actuator in response to the magnitude and time derivative of the actuator coil current
11/26/1996US5577298 In a textile fiber processing machine
11/21/1996DE19518056A1 Armature movement control appts of electromagnetic switching arrangements e.g. for IC engine gas-exchange valves
11/20/1996CN2240771Y Electromagnet
11/14/1996WO1996035867A1 Fuel system
11/12/1996US5574617 Fuel injection valve drive control apparatus
11/12/1996US5572803 Drying device for worked metal parts
11/06/1996EP0741394A1 Electromagnetic drive device
11/06/1996CN1134846A Coaxial three solenoid magnetic radiation body
10/1996
10/31/1996WO1996034448A1 Rotary actuator
10/31/1996WO1996034192A1 Process for driving the exciting coil of an electromagnetically driven reciprocating piston pump
10/31/1996DE19515775A1 Verfahren zum Ansteuern einer Erregerspule einer elektromagnetisch angetriebenen Hubkolbenpumpe A method for driving an exciting coil of an electromagnetically driven reciprocating piston pump
10/31/1996CA2217532A1 Process for driving the exciting coil of an electromagnetically driven reciprocating piston pump
10/30/1996EP0740096A2 Valve actuator
10/29/1996US5570167 Molded developing magnet roller
10/29/1996US5570021 MR gradient set coil support assembly
10/24/1996DE19515402C1 Oscillating piston pump with working piston held spring-loaded in output position
10/23/1996EP0738898A1 Improvements in or relating to MRI magnets
10/22/1996US5568109 Normal conducting bending electromagnet
10/22/1996US5566921 Solenoid valve
10/22/1996US5566659 Method and device for controlling an electromagnetic load
10/17/1996WO1996032732A1 Device for amplifying flux density
10/17/1996WO1996032580A1 Process and device for controlling an electromagnetic consumer
10/17/1996WO1996011484A3 Actuator comprising a rotatable magnet body; actuator unit comprising the actuator and a control system; magneto-optical device comprising the actuator, and scanner comprising the actuator
10/17/1996DE19513878A1 Verfahren und Vorrichtung zur Steuerung eines elektromagnetischen Verbrauchers Method and apparatus for controlling an electromagnetic load
10/16/1996EP0737988A1 Fixed inductance bobbin for launcher with solenoid induction, and launcher with solenoid induction with such a bobbin
10/16/1996EP0737806A2 Control circuit
10/16/1996EP0647348B1 Electromechanical actuator for controlling a flow modulator consisting of a pivotable vane in a pipe
10/16/1996CN1033053C High sensibility magnetic actuator
10/15/1996US5565832 Solenoid with magnetic control of armature velocity
10/15/1996US5565747 Magnetic field generator for use with insertion device
10/15/1996CA2174074A1 Fixed inductor for starter and starter comprising said inductor
10/09/1996EP0736882A1 Control device for electromagnet with core without friction and application for valves with continuous control
10/09/1996EP0736866A2 Bias coil for magneto-optical drive
10/09/1996EP0736778A1 Improvements in or relating to MRI magnets
10/09/1996CN2237274Y Improved anti-theft induction magnetic strip
10/08/1996US5563568 Magnetic field generating apparatus for generating irrational-order-harmonic waves for use in an undulator
10/08/1996US5563563 Solenoid with an improved contact design and a system utilizing the solenoid
10/08/1996US5562782 Method for producing magnetically anisotropic permanent magnet
10/02/1996EP0735657A1 Dc-dc converter circuit and inductive-load driving apparatus using the same
10/02/1996EP0735548A1 Treatment for magnets for optically detecting the easy direction of magnetisation
10/02/1996EP0734578A1 Solenoid
10/02/1996EP0593597B1 Linear accelerator
10/02/1996DE19511743A1 Magnetic actuator drive circuit
10/02/1996DE19510646A1 Electromagnetically operated pressure switch valve
10/01/1996US5561371 Transverse gradient coil
09/1996
09/26/1996WO1996029614A1 Open permanent magnet structure for generating highly uniform field
09/25/1996EP0733262A1 Actuator comprising a rotatable magnet body; actuator unit comprising the actuator and a control system; magneto-optical device comprising the actuator, and scanner comprising the actuator
09/25/1996CN1032879C Cryostat with liquefaction refrigerator
09/24/1996US5559378 Three-pole electromagnetic actuator for pneumatic distributing devices
09/24/1996US5557925 Piping installation for low temperature fluid
09/19/1996DE19509195A1 DC-magnet system with permanent magnet support
09/18/1996EP0732708A2 Magnetic and/or magnetisable bobbin
09/17/1996US5557494 Drive circuit of an electromagnetic device
09/17/1996US5557205 Magnetic field generating apparatus for use in MRI
09/17/1996US5556263 Volumetric pump and value
09/17/1996US5556031 Fuel injection nozzle having a valve and a control element for controlling fuel pressure acting on a surface of the valve
09/16/1996CA2171700A1 Magnetic and/or magnetizable winding carrier and method of producing the same
09/11/1996EP0626109B1 Ferromagnetic wire electromagnetic actuator
09/11/1996CN1130956A Device for actuating control member
1 ... 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 ... 201