Patents for H01F 7 - Magnets (20,067)
03/2002
03/28/2002DE10045976A1 Control system for electric consumer appliance using magnitude dependent on appliance temperature
03/28/2002DE10045957A1 Electromagnetic linear actuator for use in wheel suspension has two parts sliding against each other along an axis of movement with two coil magnet structures and electric coils.
03/27/2002EP0880787B1 Control device for an internal combustion engine
03/27/2002CN1081605C Automatic on-off device of adsorption magnetic force of magnetic adsorption device
03/26/2002US6362717 Coil assembly
03/26/2002US6362712 Uniform magnetic force generating magnet
03/26/2002US6360725 Method and device for controlling an electro-magnetic load
03/21/2002WO2002023255A1 Eyeglass accessory frame, eyeglass device, and method of forming a magnetic eyeglass appliance
03/21/2002WO2001065573A3 Three position solenoid
03/21/2002US20020033746 Composite magnet of electromagner and permanent magnet, and eddy current retarder
03/21/2002DE10045768C1 Control method for electromechanical setting drive e.g. for IC engine valve has electrical energy store charged via electromechanical coil of setting drive
03/20/2002EP1189251A2 Apparatus and method for actuating a mechanical device
03/20/2002EP1189246A2 Hybrid rotary actuator
03/20/2002EP1188222A1 Magnetic linear drive
03/20/2002EP1187972A1 Electromagnetic actuator and method for adjusting said electromagnetic actuator
03/20/2002EP0914557B1 Solenoid valve such as an impact solenoid valve for a hammer-effect fuel injection system in a motor vehicle
03/19/2002US6359767 Apparatus for controlling magnetic levitation system
03/19/2002US6359435 Method for determining magnetic characteristics of an electronically controlled solenoid
03/14/2002US20020030572 Hybrid rotary actuator
03/14/2002US20020030571 Centering magnet for deflection yokes and process for producing same
03/14/2002DE10136672A1 Detecting position of movable coil inside linear electromagnetic actuator, by measuring circuit phase angle
03/14/2002DE10043805A1 Electromagnetic actuator for engine valve includes measurement coil determining armature position between operating electromagnet coils
03/13/2002CN1339854A Device for axially symmetrical frequency varying space periodic magnetic field
03/13/2002CN1339813A Centering magnet of deflection yoke and its producing method
03/12/2002US6356177 Magnetic circuit
03/07/2002DE10042013A1 Electromagnet used in actuators for operating gas exchange valves in I.C. engines comprises a magnetic coil arranged in a yoke and fixed using a casting composition made of a metal or metal alloy
03/06/2002CN1080105C Magnet apparatus for magnetic resonance imaging
03/05/2002US6353375 Magnetostatic wave device
03/05/2002US6352543 Methods for forming anastomoses using magnetic force
03/05/2002US6352317 Solenoid coil structure and interconnection
02/2002
02/28/2002US20020025198 Developing apparatus having a magnetic shaft for causing magnetic toner to adhere to a peripheral surface of a sleeve and an image forming apparatus comprising the developing apparatus
02/28/2002US20020024793 Solenoid driving device
02/28/2002DE10039869A1 Electromagnet has yoke side plates mounted on lateral surface, preferably outer lateral surface, and over depth of surface, yoke lamellas attached to yoke side plates
02/27/2002EP1181697A1 An electrical coil module, an electrical coil comprising such modules, an actuation mechanism including such a coil and a circuit breaker comprising such an actuation mechanism
02/27/2002EP1181443A2 Electromagnetic injection valve for controlling a fuel amount to be injected into an internal combustion engine
02/27/2002EP1181442A1 Solenoid bleed valve for a device for the disposal of vapours
02/27/2002CN2479614Y Magnetoelectric electromagnet
02/26/2002US6351718 Current control apparatus
02/26/2002US6351201 Microelectromechanical switch with braking algorithm
02/26/2002US6351199 Position sensor for latching solenoid valve
02/21/2002US20020021542 Lock for vacuum chamber
02/21/2002US20020021521 Disk device and data-erasing method
02/21/2002US20020021198 Magnetic system for an electromagnetic relay
02/21/2002US20020021129 Method of making a pole piece for an MRI
02/21/2002DE10039039A1 Magnetventil zur Steuerung eines Einspritzventils für Brennkraftmaschinen und Elektromagnet dafür Solenoid valve for controlling an injection valve for internal combustion engines and electric magnet for
02/21/2002DE10038619A1 Digitally controlled operation of an electromagnet using a microcontrolled thyristor
02/21/2002DE10038139A1 Guide element for magnet arrangement consists of magnetisable base material and at least one region of reduced magnetization that constitutes integral part of base material
02/19/2002US6348138 Electroplating device for electroplating a work by rotation
02/14/2002WO2002013211A1 Electrical short stroke linear actuator
02/14/2002US20020017624 Dual gain variable control system
02/14/2002DE10037399A1 Method for manufacturing an electromagnetic actuator e.g. for gas exchange valves of internal combustion (IC) engine, involves initially inserting electromagnet and rotary armature into frame
02/14/2002DE10037188A1 Operating electromagnetic actuator used in internal combustion engine, involves intermittently increasing excitation current of electromagnet to cause increase in remanence induction of electromagnet
02/14/2002DE10034830A1 Reconstruction of armature movement of electromagnetic actuator, e.g. for hydraulic valve, involves computing chained magnetic flux as function of time, change in chained magnetic flux as function of current
02/13/2002EP1179675A2 Solenoid valve controlling the injection valve of an internal combustion engine and electromagnet for it
02/13/2002EP1179121A1 Electromagnetic multiple actuator
02/13/2002EP1179120A1 Electro-mechanical servo-drive
02/13/2002EP1179119A1 Electromechanical actuator
02/13/2002EP1019626B1 Exhaust gas recirculation valve having a centered solenoid assembly and floating valve mechanism
02/07/2002WO2002010570A1 Electronic circuit configuration and corresponding method for controlling actuators such as valves or injectors
02/07/2002US20020014937 Electromagnetic reciprocal drive mechanism
02/07/2002DE10131155A1 Electromagnetic actuator has cylindrical permanent magnet arranged in central hole of exciting coil which moves in axial direction and polarizes in radial direction
02/06/2002CN1334906A Fluid resistant solenoid actuated valve
02/06/2002CN1334636A Magnet moving type electromagnetic actuator
02/05/2002US6344783 Electromagnet, specially for actuating valves
02/05/2002US6344702 Simplified torque motor
02/05/2002US6343419 Method of manufacturing magnet assembly with inserts
01/2002
01/31/2002WO2002008100A1 Device for separating, lifting and moving aluminum sheets or other non-ferromagnetic material
01/31/2002US20020011757 AC generator
01/31/2002US20020011224 Control system of electromagnetically operated valve
01/31/2002DE10031237A1 Electromagnetic actuator for gas exchange valve of internal combustion engine, has resonance circuit which is operated at frequency which is close but unequal to its resonance frequency
01/30/2002EP1176703A2 Electromagnetic reciprocating drive mechanism
01/30/2002CN2475106Y Electromagnetic assembly of hollow internal magnetic conductor for use inside coil
01/30/2002CN2475105Y Magnetic ring multi-polar polymerizing radiation orientation shaper
01/29/2002US6341759 Electromagnetic actuating valve and method for producing a magnetic casing for a valve
01/24/2002WO2002007083A2 Wireless communication device attachment and detachment device and method
01/24/2002US20020008603 Solenoid for efficient pull-in and quick landing
01/24/2002US20020008601 Magnet movable electromagnetic actuator
01/24/2002US20020008600 Armature spring for a relay
01/24/2002US20020007549 Method for manufacturing electromagnetic operating apparatus
01/24/2002DE10131679A1 Control method for proportional solenoid, involves using parallel resistance for current controlled solenoid, or series resistance for voltage controlled solenoid.
01/24/2002DE10034489A1 Stelleinheit,enthaltend einen Elektomotor mit einem Drehmagneten Actuator comprising a Elektomotor with a rotating magnet
01/24/2002DE10034458A1 Electromagnetic valve actuator power supply, e.g. for IC engine fuel injector, has a boost voltage provided by capacitor
01/24/2002DE10034033A1 Magnetventil Solenoid valve
01/24/2002DE10033923A1 Sensorless detecting of velocity and position in drives of electromagnetic adjustment systems, involves measuring current and voltage in excitation circuit and measuring characteristic line field
01/23/2002EP1174897A2 Magnetic system for electromagnetic relay
01/23/2002EP1173379A1 Actuator and thread brake comprising an actuator
01/22/2002US6340888 Magnetic field generator for MRI
01/17/2002WO2002004697A1 Apparatus for performing at least one process on a substrate
01/17/2002WO2001039218A3 Solenoid with improved pull force
01/17/2002US20020005772 Electromagnetic actuator, optical scanner and method of preparing electromagnetic actuator
01/17/2002DE10126091A1 Electromagnetic actuator for intake/exhaust valve of internal combustion engine, switches specific transistors and supplies power to specific electromagnets for opening and closing of valve
01/17/2002DE10033343A1 Kraftstoffeinspritzanlage für einen Verbrennungsmotor Fuel injection system for an internal combustion engine
01/17/2002DE10032337A1 Anschlußträger und Verfahren zum Verbinden des Anschlußträgers mit einem Spritzgußteil Terminal support and method of connecting the terminal support with an injection-molded part
01/16/2002EP1172920A2 Actuator comprising an electric motor with pivoting magnet
01/16/2002EP1172592A2 Solenoid valve
01/16/2002EP1172456A1 Lock for vacuum chamber
01/15/2002CA2103143C Magnet-superconductor systems having high thrust and high stability
01/10/2002WO2002003400A1 Connector carrier and method for connecting the connector carrier to an injection-molded part
01/10/2002WO2001004923A9 Method and system for driving a solenoid
01/10/2002US20020003462 Electromagnet device