Patents for H01F 7 - Magnets (20,067)
07/1999
07/13/1999US5923235 Shim assembly for a pole face of a magnet
07/08/1999WO1999034378A1 Device for controlling an electromechanical regulator
07/08/1999WO1999034229A1 Method for optimizing the magnetic field of a periodic permanent magnet focusing device
07/08/1999WO1999033397A1 Mri magnetic field generator
07/07/1999EP0928010A2 Coil assembly useful in solenoid valves
07/07/1999EP0927817A1 Electronically controlling the landing of an armature in an electromechanical actuator
07/07/1999CN2328083Y Magnetic clipper
07/06/1999US5920262 Omnidirectional deactivator for magnetic labels or tags of EAS systems
07/06/1999US5920248 Multipolar magnetic ring
07/01/1999DE19826938A1 Brake pressure control valves for vehicle
07/01/1999DE19757658A1 Electromechanical actuator e.g. for electromechanical control units for inlet and outlet valves of internal combustion (IC) engine
07/01/1999DE19755957A1 Linear electromagnetic actuator having reduced power consumption
06/1999
06/30/1999EP0926777A1 Wire connection apparatus for solenoid-operated valves
06/30/1999EP0926412A2 Electromagnetic actuator
06/29/1999US5917692 Method of reducing the impact speed of an armature in an electromagnetic actuator
06/29/1999US5916376 Qenching a melting alloy containing atleast 50% samarium rare earth element, iron or iron and cobalt, zirconium or partially replaced with other elements, heat treating in vacuum, nitriding the heat treated alloy; crystal structure
06/29/1999US5915624 Fuel injector utilizing a biarmature solenoid
06/29/1999US5915347 Valve driving apparatus using an electromagnetic coil to move a valve body with reduced noise
06/24/1999WO1999031679A1 Solenoid stator assembly
06/24/1999WO1999031678A1 Solenoid stator assembly
06/24/1999WO1999031359A1 Actuator operating device for electromagnetic valve actuation in internal combustion engines
06/24/1999DE19756095A1 Vorrichtung zum Betrieb von Aktoren zur elektromagnetischen Ventilsteuerung bei Brennkraftmaschinen Device for operating actuators to the electromagnetic valve control for internal combustion engines
06/23/1999EP0924719A2 Apparatus for generating magnetic fields
06/23/1999EP0924718A2 Electromagnetic actuator
06/23/1999EP0924395A2 Method of manufacturing an electromagnetic actuator
06/23/1999EP0924394A1 Actuator for electromagnetic valve drive
06/23/1999CN2325861Y Silicon steel sheet module improvement for coil of electromagnetic valve
06/22/1999US5914849 DC actuator control circuit with voltage compensation, current control and fast dropout period
06/16/1999EP0923091A1 Electromagnetic actuator with composite core assembly
06/16/1999EP0923090A1 Electromagnetic actuator with detached lower collar to align with cylinder head bore
06/16/1999EP0923089A1 Electromagnetic actuator with split housing assembly
06/16/1999EP0922894A1 Magnet armature
06/16/1999EP0922526A2 Method of joining a member of soft magnetic material to a member of hardened material using a friction weld
06/16/1999EP0922520A1 Method of joining a member of soft magnetic material to a member of hardned material using a brazing technique
06/16/1999EP0922287A1 Method for producing a magnetic coil for a valve and valve with a magnetic coil
06/16/1999CN1043698C Magnetically held-on electromagnet
06/09/1999EP0921537A2 Magnet coil assembly
06/09/1999EP0921536A1 Electromagnetic actuator with lamination stack-housing dovetail connection
06/09/1999EP0921280A1 Electromagnetic actuator with stamped steel housing
06/09/1999EP0753104B1 Egr system having fast-acting egr valve
06/02/1999EP0919824A2 MRI endocavitary RF coils
06/02/1999EP0919786A1 Spirit level
06/02/1999EP0615414B1 Magnetic latch
06/02/1999CN2322249Y Frequency-modulated vibration electromagnet
06/01/1999US5909353 Circuit arrangement for mutually independant switching of several inductive switching units in paralell
06/01/1999US5909068 Vibration generating device
06/01/1999US5908578 Binder based on highly crystalline polypropylene, wherein the highly crystalline polypropylene has a crystallinity of 60 to 85%.
06/01/1999US5908051 Actuating electromagnetic selection device for dobby mechanisms
05/1999
05/27/1999WO1999025595A1 Solenoid valve
05/26/1999CN2321103Y Magnet maintainable electromagnet
05/25/1999US5907466 Device and process for activating at least two electromagnetic loads
05/20/1999WO1999024993A2 Electromagnet
05/20/1999WO1999024721A1 Solenoid with variable magnetic path
05/20/1999DE19751240A1 Solenoid valve with valve closing element fitted at magnet armature
05/20/1999CA2308712A1 Solenoid with variable magnetic path
05/20/1999CA2221667A1 An electrically controlled solenoid valve driver with compensation for coil resistance changes
05/19/1999EP0917160A1 Linear device
05/19/1999EP0916881A1 Solenoid valve
05/19/1999CN2319904Y Electromagnetic performer
05/18/1999US5905625 Method of operating an electromagnetic actuator by affecting the coil current during armature motion
05/18/1999US5905423 Magnetically retained polymeric solenoid tip
05/14/1999WO1999023674A1 Cascading electromagnetic armature
05/14/1999WO1999014768A3 Double-acting electromagnetic actuator
05/12/1999EP0914557A1 Solenoid valve such as an impact solenoid valve for a hammer-effect fuel injection system in a motor vehicle
05/12/1999CN2318696Y Electromagnet
05/12/1999CN1216632A Inductive charge control device
05/11/1999US5903206 Terminal for solenoid
05/11/1999US5903204 Electromagnetic actuator armature having eddy current-reducing means
05/11/1999US5903070 Electromagnetic actuator having a slender structure
05/06/1999WO1999022384A1 Method of joining a member of soft magnetic material to a guiding shaft
05/06/1999EP0913574A2 Fuel injector solenoid utilizing an apertured armature
05/06/1999EP0812461B1 Device for controlling at least one electromagnetic consumer
05/05/1999CN1043276C Magnetically held-on type electromagnet
05/04/1999US5900794 Single former active shield magnets
05/04/1999US5900793 Permanent magnet assemblies for use in medical applications
05/04/1999US5900792 Magnetic field homogeneity correction for superconducting magnet
05/04/1999US5899436 Dual gain pressure control solenoid having one bobbin with two individually wound coils, a high force coil and a low force coil for improving transfer function
04/1999
04/29/1999WO1999021198A1 Device for proportionally controlling a force delivered by an electromagnet independently of voltage and air gap variations
04/29/1999WO1999021197A1 Single dipole permanent magnet structure with linear gradient magnetic field intensity
04/29/1999DE19754525C1 Magnet armature for solenoid valve
04/29/1999DE19747033A1 Electronic switching device for magnets, esp. electromagnetic valve control elements for an internal combustion engine
04/29/1999DE19746981A1 Method of driving electromagnetic load, esp. a magnetic fuel injection valve for an internal combustion engine
04/29/1999DE19746980A1 Method of driving electromagnetic load, esp. a fuel injection valve for an internal combustion engine
04/28/1999EP0911840A2 Control circuit for an electromagnet
04/28/1999EP0910856A1 Quiet ferrofluid solenoid
04/28/1999CN1215160A Method and device for testing armature position in magnetic resistance type electromagnet actuator
04/27/1999US5898352 Magnetic cylinder with thin foraminate layer between cylinder core and magnetic elements
04/27/1999US5897096 Solenoid valve apparatus
04/22/1999WO1999019615A1 Method for controlling an electromechanical actuating device
04/21/1999EP0909451A1 Inductive charge control device
04/21/1999EP0767966B1 Rotary electromagnetic actuator
04/20/1999US5896076 Force actuator with dual magnetic operation
04/20/1999US5895027 Solenoid unit for an automatic transmission unit
04/20/1999US5895026 Foil wound coil for a solenoid valve
04/15/1999WO1999018344A1 Exhaust gas recirculation valve having a centered solenoid assembly and floating valve mechanism
04/15/1999WO1999017970A1 Electronically controllable brake booster
04/15/1999CA2300299A1 Exhaust gas recirculation valve having a centered solenoid assembly and floating valve mechanism
04/14/1999EP0908904A2 Method and apparatus for sensing armature position in reluctance electromagnetic actuators
04/14/1999EP0908740A1 Magnetic field homogeneity correction for superconducting magnet
04/14/1999EP0843880B1 Coil support