Patents for H01F 7 - Magnets (20,067)
01/2002
01/10/2002DE10032191A1 Electronic control circuit for main beam switching increases control signal switch-on times in steps during switch-on phase in defined time window with defined number of switching cycles
01/10/2002DE10029924A1 Magnetic actuator has two meander-shaped flat springs attached to opposite sides of armature in point symmetrical fashion and off-center relative to center of symmetry
01/09/2002EP1169719A1 Hybrid magnetic apparatus for use in medical applications
01/09/2002EP1169553A1 Method for producing an electromagnetic actuator, and electromagnetic actuator
01/09/2002EP1169552A1 Electromagnetic device for valve control
01/09/2002EP0902953B1 Actuator with minimized auxiliary magnet, and throttle device provided with such an actuator
01/08/2002US6337612 Switch using solenoid
01/08/2002US6336989 Magnetic field generator for MRI, method for assembling the same, and method for assembling a magnet unit for the same
01/03/2002WO2002000044A2 Device for reducing the content of harmful substances in tobacco smoke
01/03/2002US20020000530 Proportional solenoid-controlled fluid valve assembly without non-magnetic alignment support element
01/03/2002US20020000529 Electromagnetic valve
01/03/2002DE10124320A1 Stellglied mit steuerbarem Schub Actuator with controllable thrust
01/03/2002DE10051310A1 Aktuator, insbesondere für Ventile, Relais oder dgl. Actuator, in particular for valves, relays, or the like.
01/03/2002DE10036903C1 Electronic circuit driving at least one actuator, especially valves/injectors, has signal input for switch element connected to driver circuit reset input by bypassing control unit via signal path
01/03/2002DE10026570A1 Ventilsteuergerät Valve controller
01/02/2002EP1168382A1 Simplified torque motor
01/02/2002EP1167749A1 A moving-coil electromagnetic actuator, particularly for a control valve, with resilient element incorporated in the coil
01/02/2002EP1167704A1 Electromagnetic actuator with laminated armature for the actuation of the valves of an internal combustion engine
01/02/2002EP1166295A1 Method for determining the position of a moveable element in at least one main pole air gap in an electromagnetic actuator
01/02/2002EP1166294A1 Solenoid, method for producing a solenoid, solenoid valve and fuel pump
01/02/2002EP1166293A1 Composite part and method for producing the same
01/02/2002EP1165944A1 Method of determining the position of an armature
01/02/2002CN2469529Y Water-cooled DC electromagnetic device
01/02/2002CN1329383A PM rotor and producing method thereof
01/01/2002US6334413 Electromagnetic actuating system
12/2001
12/27/2001WO2001099129A1 Actuator, in particular for valves, relays or similar
12/27/2001US20010055666 Flexible magnetic strip
12/27/2001US20010055188 Double solenoid linear motion actuator
12/27/2001US20010054401 Electromagnetic actuator for the actuation of the valves of an internal combustion engine
12/19/2001EP1164683A2 Permanent magnet rotor and method of making the same
12/19/2001EP1164602A2 Method for determining the position of an armature
12/19/2001EP1164601A2 Electromagnetic actuator, its manufacturing method, and optical scanner using the same actuator
12/19/2001EP1164600A2 Flexible magnetic strip
12/19/2001EP1163687A1 Electromagnet
12/19/2001EP1163686A1 Electromagnet
12/19/2001EP0835514B1 Bobbin-mounted soleonoid coil
12/19/2001EP0714521B1 Method and apparatus for compensation of field distortion in a magnetic structure using spatial filter
12/18/2001US6331746 Actuator
12/13/2001WO2001095348A1 Electromagnetic actuator and valve driver and position or speed sensor comprising it
12/13/2001US20010050347 Solenoid valve
12/12/2001CN1326552A Temperature control system for a permanent magnetic system
12/11/2001US6330415 Developing device and magnet roller for developing device
12/11/2001US6329895 Releasing magnet for anti-theft devices for sales goods
12/11/2001US6329797 Energy supply device for an electromagnetic valve control of an internal combustion engine
12/06/2001WO2001092029A1 Flexible magnetic inserts for binding into magazines
12/06/2001WO2001057389A3 Electromagnetic injection valve for controlling a fuel amount to be injected into an internal combustion engine
12/06/2001US20010048883 Low power electromagnetic pump
12/06/2001US20010048357 Electromagnetic coil assembly for electromagnetic apparatus
12/06/2001US20010048244 Valve control unit
12/06/2001US20010048087 Method and device for activating an electromagnetic consumer
12/06/2001US20010048086 Reduced-energy-consumption latching actuator
12/06/2001US20010047779 Electromagnetic actuator for operating a cylinder valve of an internal-combustion engine
12/06/2001DE10124368A1 Elektromagnetische Spulenbaueinheit für elektromagnetisches Gerät Electromagnetic coil assembly for an electromagnetic device
12/06/2001CA2381126A1 Flexible magnetic inserts for binding into magazines
12/05/2001EP1160806A2 Valve control device
12/05/2001EP1160494A2 Control housing for valve
12/05/2001EP1160422A2 Control system of electromagnetically operated valve
12/05/2001CN1324989A Actuator capable of controlling push-force
12/04/2001US6326898 Solenoid plunger position detection algorithm
11/2001
11/29/2001WO2001091140A1 Magnetic coil arrangement
11/29/2001WO2001063626A3 An improved system to determine solenoid position and flux without drift
11/29/2001DE10049709A1 Magnetspulenanordnung Magnetic coil assembly
11/28/2001WO2001082803A1 Methods and devices using magnetic force to form an anastomosis between hollow bodies
11/28/2001EP1158547A2 Electromagnetic actuator and composite electro-magnetic actuator apparatus
11/28/2001EP1158191A2 Bearings for proporational solenoid
11/28/2001CA2387618A1 Methods and devices using magnetic force to form an anastomosis between hollow bodies
11/27/2001US6324046 Actuator circuit for dual-solenoid gas valve
11/27/2001US6322166 Solenoid valve control apparatus and brake control apparatus
11/27/2001US6322048 Actuator for electromagnetic valve control
11/27/2001US6321700 Electromagnetically actuatable adjustment device and method of operation
11/22/2001US20010043450 System and method for servo control of nonlinear electromagnetic actuators
11/22/2001US20010043133 Thrust controllable actuator
11/22/2001DE10124135A1 Position sensor for a locking solenoid or switching magnet has an additional armature arrangement, induced by the main solenoid, that acts purely as a position indicator for the main solenoid
11/22/2001DE10023654A1 Armature position detector e.g. for measuring speed of drive actuator of gas shuttle valve of internal combustion engine, has permanent magnet whose surface facing magnetic field detector is concave
11/21/2001EP1155425A1 System for control of an electromagnetic actuator
11/21/2001EP1155422A1 Electromagnetic regulating device
11/21/2001EP1155421A1 Electromagnet and hydraulic valve comprising such an electromagnet
11/21/2001EP0901683B1 Switched-mode regulator for an electromagnet
11/21/2001CN2461123Y 磁体 Magnet
11/20/2001US6320488 Magic cylinder adjustable in field strength
11/20/2001US6318703 Electromagnetic valve and process for setting the stroke of an electromagnetic valve
11/15/2001WO2001086665A1 Iron-cobalt alloy, in particular for electromagnetic actuator mobile core and method for making same
11/15/2001US20010040492 Electronic cam assembly
11/15/2001US20010040018 Electromagnetic actuator with lamination stack-housing dovetail connection
11/14/2001CN2459741Y Electronic ac electromagnetic winding
11/13/2001US6315268 Solenoid and hydraulic valve with a solenoid
11/08/2001DE10020708A1 Multiply wound coil for generating strong magnetic field pulses, has reinforcement provided by non-conducting high tensile strength fiber
11/08/2001DE10019131A1 Electromagnetic valve actuator, has inductive flux sensor measure position accurately
11/07/2001EP1152437A1 Magnet roller
11/07/2001EP1151219A1 Proportional control pressure valve
11/07/2001EP0701700B1 An acoustic screen
11/07/2001CN1321294A Electromagnetic electroacoustic transducer
11/06/2001US6313726 Electromagnet, particularly a proportional magnet for operating a hydraulic valve
11/06/2001US6313553 Rotating electromagnetic actuator comprising at least one magnet embedded in ferromagnetic material
11/06/2001US6312636 Method for electromagnetic actuator with molded connector
11/01/2001WO2001081780A1 Magnetic bearing and magnetic levitation apparatus
11/01/2001US20010035213 Position measuring device of electromagnetically operated engine valve drive system and method for attaching the same
10/2001
10/31/2001EP1030976A4 Solenoid with variable magnetic path
10/31/2001EP0970297B1 Electromagnetic control device
10/31/2001DE10050085C1 Container closure element e.g. for analysis or reaction tube, provided as sphere, sphere segment, section or layer with paramagnetic core