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)
10/1998
10/15/1998DE19714812A1 Magnetspule Solenoid
10/15/1998DE19714413A1 Electromagnetic drive e.g for valve of IC engine
10/15/1998DE19714410A1 Electromagnetic control device
10/15/1998DE19714409A1 Electromagnetic control device
10/14/1998EP0871192A2 Magnetic actuator
10/14/1998EP0871184A1 Coil bobbin and winding jig for use in forming a wound coil and method of winding a wire on the coil bobbin
10/14/1998EP0870905A1 Current control process for an electromagnetically operated lift valve of an internal combustion engine
10/14/1998CN1195870A Current-limiting constant power starting electromagnet controlling power supply
10/13/1998US5822167 Method of adjusting an electromagnetic actuator
10/13/1998US5821841 Corrosion and heat resistant miniature motion controller comprising an interior cavity, a mounted piston connected to two different poles micromagnet which attached to shaft and electroconductive wounded coil embedded inside ceramic
10/13/1998US5821840 Simplified solenoid assembly
10/13/1998US5820100 Electromagnetic linear actuator with movable plates and valve fluid regulator controlled by the actuator
10/13/1998CA2136217C Pivotal diaphragm, flow control valve
10/08/1998DE19712669A1 Electromagnetically operated engine gas changeover valve
10/06/1998US5818680 Apparatus for controlling armature movements in an electromagnetic circuit
10/06/1998US5818318 Magnetic clamping device
10/06/1998US5818317 Deflection yoke
10/06/1998US5818131 Linear motor compressor and its application in cooling system
10/01/1998WO1998042960A1 Electromagnetic drive mechanism
10/01/1998WO1998042959A1 Electromagnetic control device
10/01/1998WO1998042958A1 Electromagnetic control device
10/01/1998WO1998042957A1 Electromagnetic drive mechanism
10/01/1998WO1998042955A2 Electromagnetic control device
10/01/1998WO1998042954A1 Valve guide for an internal combustion engine
10/01/1998DE19712064A1 Electro-magnetic drive for valve activation or pump of combustion engine
10/01/1998DE19712062A1 Electromagnetic control device
10/01/1998DE19712059A1 Ventil für einen Verbrennungsmotor E 5 Valve for an internal combustion engine E 5
10/01/1998DE19712057A1 Electromagnetic control device
10/01/1998DE19712056A1 Electro-magnetic drive for valve activation of combustion engine
10/01/1998DE19712055A1 Solenoid-driven valve for internal combustion engine
09/1998
09/30/1998EP0867898A1 Electromagnetic positioning device
09/30/1998EP0776496B1 Circuit for the drive of at least one electrically actuated magnet
09/30/1998CN2293110Y Instantaneous power-on turn-on/off self-holding electromagnet
09/29/1998US5815365 Control circuit for a magnetic solenoid in a modulating valve application
09/29/1998US5815362 Pulse width modulated drive for an infinitely variable solenoid operated brake cylinder pressure control valve
09/29/1998US5814907 Electromagnetic force motor with internal eddy current damping
09/29/1998CA2165470C Electromagnetically actuated valve
09/24/1998WO1998041319A2 Device for magnetic fluid treatment
09/24/1998WO1998041274A1 Exhalation valve for a patient ventilator
09/24/1998DE19711375A1 Valve arrangement for regulated hydraulic braking systems
09/23/1998EP0866476A1 Magnet fixing member
09/23/1998EP0865660A2 Switchgear control apparatus
09/23/1998EP0835378A4 Fuel injection apparatus
09/23/1998EP0595897B1 Improvements in or relating to resonance reducing arrangements
09/23/1998CN1194054A Bobbin-mounted soleonoid coil and method of making
09/23/1998CN1193803A Selenoid for solenoid-operated valve
09/22/1998US5812921 Magnet system for an image-forming apparatus
09/22/1998US5812355 Electric gun driver
09/22/1998US5812044 Electromagnetic clutch
09/22/1998US5812043 Short superconducting annular MRI electro-magnet
09/22/1998US5811898 Rotary actuator
09/22/1998US5811234 Methods and applications for efficient genetic suppressor elements
09/22/1998US5810324 Flow regulator with two solenoids
09/17/1998WO1998040260A1 Sleeve and armature subassembly for control valves of vehicular braking systems and method of forming
09/16/1998EP0864099A2 Process and device for testing electric drives
09/16/1998CN1193408A Electromagnetic actuator arrangement for engine control valve
09/16/1998CN1039863C DC/DC voltage converter circuit and inductive-load driving apparatus using same
09/15/1998US5808534 Solenoid frame and method of manufacture
09/15/1998US5808471 Method and system for verifying solenoid operation
09/15/1998US5807075 Disposable ambulatory microprocessor controlled volumetric pump
09/11/1998WO1998039564A1 A method and a device for the magnetic activation of solid, liquid and gas media, especially coal dust and other hydrocarbon fuels
09/10/1998DE19709089A1 Permanent magnet drive for switch esp. vacuum circuit breaker
09/09/1998EP0862782A1 Switch with inductor function
09/09/1998EP0862781A1 Fuel injection valve
09/09/1998EP0804799B1 Device and process for producing a coil arrangement
09/09/1998EP0685030B1 Internal combustion engine fuel injector control system
09/08/1998US5805405 Power supply circuit of an excitation coil of an electromagnet
09/08/1998US5805044 Field free chamber in permanent magnet solenoids
09/08/1998US5804933 Method for operating an adjusting apparatus and means for adjusting a positional device
09/08/1998US5803711 Control circuit for solenoid valve
09/08/1998US5803049 Fuel System
09/03/1998WO1998038656A1 Motion recognition process, in particular for regulating the impact speed of an armature on an electromagnetic actuator, and actuator for carrying out the process
09/03/1998WO1998038439A1 Fluid impact absorber
09/03/1998DE19805455A1 Electromagnetic actuator with electromagnet
09/03/1998DE19803896A1 Electromagnetic actuator with fluidic damping action
09/03/1998DE19710186A1 Permanent magnet coupling device
09/03/1998CA2228643A1 Magnetic display apparatus for aquarium
09/02/1998EP0861515A1 Electromechanical device, coil configuration for the electomechanical device, and information storage and/or reproduction apparatus including such a device
09/02/1998EP0861493A1 Lifting magnet arrangement
09/02/1998EP0861451A1 Releasing magnet for anti-theft devices for sales goods
09/01/1998US5799690 Volumetric pump valve
08/1998
08/27/1998DE19707587A1 Electromagnetic setting device for hydraulic control valve
08/26/1998EP0860707A2 Improvements in or relating to MRI magnets
08/26/1998EP0745263B1 Solenoid current driver circuit
08/25/1998US5798680 Strapped open magnetic structure
08/25/1998US5798679 Magnetic flux bending devices
08/25/1998US5797586 For negative pressures
08/20/1998DE19806821A1 Determination of faults in solenoid valve e.g. for vehicle electronic braking control system
08/20/1998DE19706247A1 Controlled switching of electromagnet solenoid actuator e.g. for pump drive
08/20/1998DE19704695A1 Electromagnetic telescopic linear drive unit e.g. for positioning elements of pneumatic or hydraulic switches in motor vehicles and machines
08/19/1998EP0859380A2 Double acting electromagnetic actuator
08/19/1998CN2288492Y Double solenoid traction electromagnet
08/18/1998US5796223 Method and apparatus for high-speed driving of electromagnetic load
08/13/1998DE19806720A1 Bistable magnetic drive with permanent magnetic displacement armature e.g. for motor vehicle mechanical clutches or brakes
08/13/1998CA2733821A1 Integrated protection system for electrical distribution
08/12/1998EP0637039B1 Actuator for disk unit
08/11/1998US5793599 Control of the attraction of an armature of a switching magnet and a switching arrangement for performing the method
08/11/1998US5791531 High speed fluid dispenser having electromechanical valve
08/11/1998US5791305 Method for monitoring a cylinder valve, actuated via an electromagnetic actuator, in a piston-type internal combustion engine
08/11/1998US5791039 Method for manufacturing a rotor of a magnetic clutch
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