201511 ⎘
Magnets; Electromagnets; Actuators including electromagnets with armatures; Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings; Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current demagnetising upon switching off, removing residual magnetism
Load Drive Device and Method for Controlling Electronic Control Device
#2Electro-permanent magnet thermal protection
#3219-1040 method for driving inductive peak and hold loads at reduced power
#4System and method for energizing a solenoid coil for fast solenoid actuation
#5Solenoid fast shut-off circuit network
#6Starter solenoid with dual coils and axial diodes
#7Switching device and method for switching loads
#8Operation coil drive device for magnetic contactor
#9Latching solenoid which utilizes residual magnetism for the latch and a capacitor which is discharged to degauss and release the latch
#10Fluid injector
#11Anti-remanent device for an electromagnetic door lock
#12Device for controlling electrically actuable valves in different operating modes
#13System and method of assuring drop out of a solenoid valve
#14Electric circuit configuration for switching an electrical load
#15Free-wheeling circuit
#16METHOD AND APPARATUS FOR CONTROLLING A LIFTING MAGNET SUPPLIED WITH AN AC SOURCE
#17METHOD AND APPARATUS FOR CONTROLLING A LIFTING MAGNET SUPPLIED WITH AN AC SOURCE
#18Method and pulse-width-modulated current control circuit for driving inductive loads in motor vehicles
#19Arrangement for switching valves in axle modules of a utility vehicle
#20Inductor driving circuit
#21Circuit configuration for the joint pulse width modulation of valves with quenching
#22Fast turn-off and fast turn-on of an inductive load and usage in vehicle application
#23ELECTROMAGNETIC FIELD ENERGY RECYCLING
#24Method and apparatus for controlling a lifting magnet supplied with an AC source
#25Method and apparatus for controlling a lifting magnet supplied with an AC source
#26Electromagnetic actuator with at least two windings
#27SOLENOID VALVE DRIVING CIRCUIT AND SOLENOID VALVE
#28Solenoid valve driving circuit and solenoid valve
#29High-pressure fuel pump drive circuit for engine
#30Securing means for an access control device
#31Solenoid driver circuit
#32Solenoid-operated valve actuating controller
#33Device for power reduction during the operation of an inductive load
#34Solenoid driver with high-voltage boost and reverse current capability
#35Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine
#36Initialization of electromechanical valve actuator in an internal combustion engine
#37Single device for controlling fuel electro-injectors and electrovalves in an internal-combustion engine, and method of operating the same
#38Initialization of electromechanical valve actuator in an internal combustion engine
#39Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine
#40Fail safe drive for control of multiple solenoid coils
#41Method and device for operating an inductive load with different electric voltages
#42Apparatus and method for monitoring and compensating for variation in solenoid resistance during use
#43Circuit for controlling inductive loads, in particular of electro actuators, at high efficiency
#44Fast regenerative current control of inductive loads