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)
08/1998
08/05/1998EP0856857A2 Solenoid valve
08/05/1998EP0856854A2 Electromagnetic actuators
08/05/1998EP0636250B1 Magnet assembly
08/04/1998US5790006 Apparatus for generating uniform magnetic fields with magnetic wedges
08/04/1998US5788213 Electrically operated pressure control valve
07/1998
07/30/1998WO1998033194A1 Sintered armature
07/29/1998EP0855507A2 Volumetric pump with bi-directional sphincter seal apparatus and method
07/29/1998CN1188825A Actuating device of electromagnetic selection for control of dobbies and other weaving mechanisms
07/28/1998US5786741 Polygon magnet structure for voice coil actuator
07/28/1998US5786649 Rotary electromagnetic actuator
07/28/1998US5785298 Proportional solenoid-controlled fluid valve assembly
07/28/1998US5785296 For controlling a flow regulator of the vane
07/28/1998US5785016 Electromagnetic operating mechanism for gas exchange valves of internal combustion engines
07/23/1998WO1998031578A1 Electromagnetic valve and process for setting the stroke of an electromagnetic valve
07/23/1998WO1998031577A1 Magnetic valve
07/23/1998DE19701471A1 Method of exciting esp. vehicle IC engine solenoid fuel-injection valve while fuel is not injected and before first fuel injection
07/22/1998EP0854561A2 Thermo-sensitive actuator and idle speed controller employing the same
07/22/1998EP0854488A2 Device for actuating opening/closing commands for a high-voltage circuit breaker
07/22/1998EP0854408A2 Electromagnet with a power supply
07/22/1998EP0790907B1 Valve assembly
07/21/1998US5784245 Solenoid driver and method for determining solenoid operational status
07/21/1998US5782454 Electromagnetically actuated valve
07/21/1998US5782435 Electro-magnetic expulsion de-icing system
07/21/1998US5782095 For generating a magnetic imaging field
07/16/1998DE19755669A1 Drive stage for operating high-speed HV solenoid valve
07/16/1998DE19700980A1 Elektromagnetventil Solenoid valve
07/16/1998DE19700979A1 Magnetventil Solenoid valve
07/15/1998EP0852671A1 Electrical connection between closure cap and internal actuator of an electrically actuated valve
07/15/1998CN1187863A Process for driving exciting oil of electromagnetically driven reciprocating piston pump
07/14/1998US5781397 For actuating a cylinder valve in a piston engine
07/14/1998US5781396 Arrangement for the control of an electromagnet
07/14/1998US5781090 Control mechanism
07/09/1998WO1998029882A1 Focusing of the fields of lines of magnetic force of permanent magnets and alignment of the magnetic flow
07/09/1998DE19707885A1 Electromagnetic actuator for actuating IC piston engine gas-exchange valve
07/08/1998EP0852060A1 Electromagnetic linear actuator having movable plates and a fluid flow controller with valves controlled by said actuator
07/08/1998EP0760045B1 Method of replacing an awning cloth and device for carrying out the procedure
07/07/1998US5775276 Valve driving apparatus using an electromagnetic coil to move a valve body with reduced noise
07/07/1998CA2054460C Ground coil for magnetically levitated railway sealed by synthetic resinforming reactive liquid
07/02/1998DE19757714A1 In-line solenoid pressure control valve for fluid pressure control
07/02/1998DE19735375C1 Solenoid valve esp. for inlet and outlet valves of internal combustion (IC) engines
07/01/1998EP0851047A1 Control device with electromagnetical selection for dobbies and other weaving mechanisms
07/01/1998CN2285505Y Quick electromagnet
06/1998
06/30/1998US5774036 Bobbin-mounted solenoid coil and method of making
06/30/1998US5774033 Solenoid apparatus having a plunger with an internal passage and a vacuum source for generating negative pressure
06/30/1998US5773969 DC-DC converter circuit and inductive load drive device using DC-DC converter circuit
06/30/1998US5772206 Amusement game having a solenoid operated play feature
06/30/1998US5771884 Magnetic exhalation valve with compensation for temperature and patient airway pressure induced changes to the magnetic field
06/24/1998EP0849514A2 Single stage variable force solenoid pressure regulating valve
06/18/1998DE19652391A1 Energising circuit for electromagnetic coil of combustion engine flow valve solenoid
06/18/1998DE19651846A1 Method of electromagnetic actuation of a piston engine gas-exchange valve without contacting electromagnets pole-surfaces
06/17/1998EP0848481A2 Adjusting device with electrie motor
06/17/1998EP0848180A1 Electromagnetic coupling device
06/11/1998WO1998025280A1 Process for the production of magnet
06/10/1998EP0847064A1 Coil assembly for a solenoid valve
06/10/1998EP0847063A2 Solenoid valve driving device
06/10/1998EP0653096B1 High field magnetic structure
06/10/1998DE19650490A1 Holding or lifting magnet with reduction, or switch-off of holding force
06/10/1998CN1184321A Apparatus for manufacturing permanent magnet
06/09/1998US5764059 Acoustic screen
06/09/1998US5762318 Electrohydraulic pressure adjuster for a slip-controlled vehicle brake system
06/04/1998WO1998024106A1 Solenoid driver and method for determining solenoid operational status
06/04/1998DE19751609A1 Narrow structure electromagnetic actuator e.g. for actuating gas-exchange valves in four-valve engine
06/04/1998DE19742197A1 Manufacturing device for anisotropic permanent magnet
06/03/1998EP0845791A2 Electromagnetic actuator
06/03/1998EP0845097A1 Mine-clearing coil and device using same
06/02/1998US5760552 Method of controlling driving power of double-solenoid electric percussion tools
05/1998
05/28/1998WO1998022957A1 Apparatus for generating uniform magnetic fields with magnetic wedges
05/28/1998WO1998022956A1 Actuator with minimized auxiliary magnet, and throttle device provided with such an actuator
05/27/1998EP0844624A1 Electrically operated pressure control valve
05/27/1998EP0843880A1 Coil support
05/26/1998US5757605 Pulse-width modulation control system for multiple solenoids utilizing a single A/D converter in which the A/D conversion time is used to control the sequential operation of the solenoids
05/26/1998US5757259 Anti-rotation device for joining a shell and encapsulated terminal/coil subassembly
05/20/1998EP0843324A1 A power supply circuit for an electromagnet
05/20/1998EP0815471A4 Open permanent magnet structure for generating highly uniform field
05/20/1998DE19646986A1 Electromagnet coil for valve for temperature compensation
05/20/1998CN1182273A Electromagnetic actuator
05/19/1998US5752482 System for integrally controlling current flow through number of inductive loads
05/19/1998US5752308 Method of forming a hard magnetic valve actuator
05/14/1998DE19646835A1 Electromagnetic valve arrangement
05/13/1998EP0841669A1 Electromagnetic differential current trip device
05/13/1998EP0841509A1 Flow regulator
05/13/1998EP0840685A1 Electromagnetic actuating device
05/12/1998US5749710 Refrigerant compressor with rotation detecting means
05/06/1998EP0840333A1 Switching device with displacement sensor
05/05/1998US5748433 Method of accurately controlling the armature motion of an electromagnetic actuator
05/05/1998US5748431 Solenoid driver circuit
05/05/1998US5748062 Fabricated electric lifting magnet
05/05/1998US5746897 High magnetic flux permanent magnet array apparatus and method for high productivity physical vapor deposition
05/05/1998US5746412 Electromagnetic valve device and manufacturing method for the same
05/05/1998US5746329 Hanger system
05/05/1998CA2078870C Electromagnetic actuator
04/1998
04/30/1998DE19645375A1 Electromagnet with external field strength focus e.g. for remote- or central-actuation of switches and valves
04/29/1998EP0838899A2 Drive circuit
04/29/1998EP0838827A1 Electromagnetic solenoid
04/29/1998EP0838620A1 Flow control valve
04/29/1998EP0585351B1 Magnet-superconductor systems having high thrust and high stability
04/28/1998US5745019 Magnetic annunciator
04/28/1998CA2133094C Electromagnetically actuated reciprocating compressor driver
04/28/1998CA2129837C Electromagnetically actuated compressor valve
04/23/1998DE19702130C1 Sintered armature design e.g. for contactors
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