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)
11/2000
11/30/2000DE19924837A1 Actuator pin for an electromagnetic actuator for valve operation has a two part construction
11/30/2000DE19924673A1 Aktor zur elektromagnetischen Ventilsteuerung Actuator for electromagnetic valve control
11/30/2000DE19922427A1 Elektromagnetischer Mehrfachstellantrieb Electromagnetic Multiple actuator
11/30/2000DE19922426A1 Elektromechanischer Stellantrieb Electromechanical Actuator
11/30/2000DE19922424A1 Electromagnet for engine control valve includes core with slots for windings, and retaining bars which are screwed to base of outer container
11/30/2000DE19922423A1 Elektromechanischer Stellantrieb Electromechanical Actuator
11/30/2000DE19922422A1 Electromagnet for engine control valve includes core with slots for windings, and retaining bars which are screwed to base of outer container
11/30/2000DE10003205A1 Elektromagnet Electromagnet
11/29/2000EP1056100A1 Electromagnets with low power consumption
11/29/2000EP1055977A1 Developing device and magnet roller for developing device
11/29/2000EP1055744A2 Surface treating process, surface treating apparatus, vapor-depositing material, and rare earth metal-based permanent magnet with surface treated
11/29/2000CN2408556Y High magnetic conductive multipolar magnetic stick
11/29/2000CN1274873A Developing device and magnetic roller for the same
11/28/2000US6154354 Device for operating latching solenoids
11/28/2000US6152422 Electromagnetic directional control valve
11/28/2000US6152094 Method for driving an electromagnetic actuator for operating a gas change valve
11/23/2000WO2000070738A2 Method for controlling at least one inductive consumer by means of a pulse width modulated control signal
11/23/2000WO2000070628A1 Electromagnet
11/23/2000WO2000070197A1 Electromechanical actuator
11/23/2000WO2000070196A1 Electromagnetic multiple actuator
11/23/2000WO2000070195A1 Electro-mechanical servo-drive
11/23/2000WO2000070194A1 Electromechanical actuator
11/23/2000DE19849588C1 Elektromagnet mit Wärmeableitkörper Electromagnet with heat dissipation
11/22/2000EP1054187A1 Electromagnetic actuator
11/22/2000EP1053151A1 Pressure control valve
11/22/2000CN1274308A Manually controlled magnetic anchoring device
11/21/2000US6150911 Yoked permanent magnet assemblies for use in medical applications
11/21/2000US6150819 Laminate tiles for an MRI system and method and apparatus for manufacturing the laminate tiles
11/21/2000US6150818 Low eddy current and low hysteresis magnet pole faces in MR imaging
11/21/2000CA2146379C Electric expansion valve
11/16/2000WO2000069052A2 Method for generating a magnetostatic field
11/16/2000WO2000069047A1 Stator with teeth formed from a soft magnetic powder material
11/16/2000WO2000067953A1 Magnetic holding device
11/16/2000WO2000030129A3 Electromagnetic lifting system
11/16/2000DE19921875A1 Electromagnetically actuated valve has magnetic workpiece inserted between sleeve and yoke disc to compensate for reduction in sleeve's wall thickness
11/16/2000DE19920889A1 Electro-magnetically-operated materials sorting assembly has brief cycle operation without a complex control system
11/16/2000DE19914594A1 Aktor zur elektromagnetischen Ventilsteuerung Actuator for electromagnetic valve control
11/15/2000EP1052666A2 Switch using solenoid
11/15/2000CN2406321Y Double pressure controllable rectifier
11/15/2000CN2406320Y Magnet device capable of changing magnetic-path double fixing position
11/15/2000CN2405701Y Permanent-magnet suction disc
11/15/2000CN1273545A Device for retaining components made from ferromagnetic material
11/15/2000CN1058557C Fuel injector armature assembly
11/14/2000US6147578 Method for designing open magnets and open magnetic apparatus for use in MRI/MRT probes
11/14/2000US6147498 Device for detecting fault in solenoid valve
11/14/2000US6145902 Magnet positioning apparatus for positioning a magnet into a subsurface region
11/14/2000US6145809 Actuator for an electromagnetically adjustable valve
11/09/2000DE19920181A1 Verfahren zur Regelung der Ankerauftreffgeschwindigkeit an einem elektromagnetischen Aktuator durch eine kennfeldgestützte Regelung der Bestromung Method for controlling the speed of Anke Rauf fail an electromagnetic actuator through a map-based control energization
11/09/2000DE19920094A1 Elektromagnet mit einem Blechpaket Electromagnet with a laminated core
11/09/2000DE10016556A1 Monitoring device , e.g. for IC engine fuel injection valve EM actuator, has signal processing circuit to evaluate state of charge of capacitor, charged or discharged via FET switch
11/08/2000EP1050966A2 Control circuit for an actuator
11/08/2000EP1050891A2 A method for controlling the landing velocity of an armature of an electromagnetic actuator by controlling the current with a look-up table
11/08/2000EP1050890A2 Electromagnet with a stack of laminations
11/08/2000EP0910856B1 Quiet ferrofluid solenoid
11/08/2000EP0897591B1 Magnet array
11/08/2000CN1058305C Actuating device of electromagnetic needle selection for cotnrol dobbies and other weaving mechanisms
11/07/2000US6144544 Apparatus and method for material treatment using a magnetic field
11/07/2000US6144275 Solenoid actuator
11/07/2000US6143045 Device for magnetic activation of solid, liquid and gas media in which permanent magnets of optional shape are connected to a casing, characterized in that the casing is made from para-, dia- and ferromagnetic materials
11/02/2000WO2000065613A1 Magnetostatic wave device
11/02/2000WO2000064795A1 Actuator and thread brake comprising an actuator
11/02/2000EP1049114A2 A method for controlling an armature of a high speed electromagnetic actuator
11/02/2000EP1048040A1 Device for emergency hand operation with switching magnets
11/02/2000DE19919301A1 Dividable winding reel for generation of strong pulse magnetic field for compression of metal pipes, has electric contact surfaces between parts of reel formed such that effective contact surfaces are enlarged
11/02/2000DE19919122A1 Aktuator und Fadenbremse mit einem Aktuator Actuator and thread brake with an actuator
11/02/2000DE10005890A1 Versatile longitudinal element, eg. wire, cord, rope, etc.
11/01/2000CN1272051A Magnetic field generating device for MRI
11/01/2000CN1058085C Magnetic field generating device for use in MRI
10/2000
10/31/2000US6141201 Method of regulating the armature impact speed in an electromagnetic actuator by estimating the required energy by extrapolation
10/31/2000US6140901 Coil device
10/31/2000US6140717 Method and device for switching an inductor
10/31/2000US6138809 Insulated electromagnetic coil for electromagnetic clutch
10/26/2000DE19936581C1 Electromagnetic valve actuator manufacturing method uses metal or metal alloy mass for fixing energizing coil in coil window of magnetic yoke
10/26/2000DE19917872A1 Apparatus for modulating physical or chemical parameters by means of a rotation-free vector potential comprises a toroidal coil or very long solenoid coil operating above the boiling point of liquid helium
10/26/2000DE10019456A1 Solenoid actuator e.g. for internal combustion engine valve, has electromagnet with yoke, internal yoke and outer yoke limit winding chamber between itself and winding included in the winding chamber
10/26/2000DE10019454A1 Electromagnetic adjuster e.g. for inlet or outlet valve of motor drive in car or boat
10/25/2000EP1047085A2 Magnetic element with lengthwise dimension
10/25/2000EP1046178A2 Magnet assembly with reciprocating core member and associated method of operation
10/25/2000EP1046041A1 Magnet wheel consisting of a hollow magnet body and a retaining element
10/24/2000US6135096 Control device for a fuel injection system
10/24/2000CA2058418C Method and apparatus for controlling the operation of a solenoid
10/19/2000WO2000062313A1 A compound magnet
10/19/2000WO2000061922A1 Electromagnetic device for valve control
10/19/2000DE19922425C1 Electro-mechanical actuator
10/19/2000DE10016318A1 Direct current electromagnet for e.g. low-voltage power switch such as contactor or relay
10/19/2000DE10012143A1 Electromagnet with simplified magnetic circuit for low-voltage power switch such as contactor or relay
10/18/2000EP1045116A1 Valve driving device
10/18/2000EP1044702A2 Spiral-wound magnetic foil
10/18/2000EP1044379A1 Method for optimizing the magnetic field of a periodic permanent magnet focusing device
10/18/2000CN1057632C Generic solenoid driver circuit board, circuit, and method of making same
10/17/2000US6133815 Solenoid Valve
10/17/2000US6132634 Bonded magnet-forming composition and magnet roller using the same
10/17/2000US6131341 Sealing system for vehicle door
10/17/2000US6131247 Magnetic fixing unit
10/12/2000WO2000060617A1 Encapsulated magnet assembly and method for making the same
10/12/2000WO2000060261A1 Electromagnetic drive
10/12/2000WO2000060260A1 Actuator for controlling an electromagnetic valve
10/12/2000WO2000060220A1 Method of determining the position of an armature
10/12/2000DE19927822C1 Electromagnetic actuator for i.c. engine gas changing valve has measuring device providing spring characteristic for one or both springs acting on magnetic armature for calculation of its counter-balance position
10/12/2000DE19914591A1 Electromagnet, especially of an actuator for IC engine electromagnetic valve control, is produced by alternating voltage application to an excitation coil during embedding in molding compound in a yoke coil window
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