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US20120106019 |
SOLENOID PROTECTION CIRCUIT
A system prevents solenoids from overheating. The solenoid circuit has solenoids connected across a power supply. Control switches energize the solenoids by controllably connecting the solenoids... |
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US20110222202 |
Electromagnetic Valve Driving Circuit
Disclosed is an electromagnetic valve driving circuit capable of reducing a load of a booster circuit. A boost driving FET 202 is connected to a route formed between the booster circuit 100 and a... |
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US20150029635 |
LOW COST ELECTRICAL STAMP
A low cost electrical stamp is provided in the present invention. The low cost electrical stamp includes a magnetic cylinder matrix, a print circuit board (PCB), a control circuit and an interface... |
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US20120268856 |
NON-EXCITED OPERATION TYPE ELECTROMAGNETIC BRAKE CONTROL DEVICE AND METHOD
A non-excited operation type electromagnetic brake control device and method which are free from vibration noise and frequent switching when reducing average current which flows through a brake... |
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US20110214741 |
SOLENOID VALVE DRIVING CIRCUIT, SOLENOID VALVE, AND SOLENOID VALVE DRIVING METHOD
A solenoid valve driving circuit for a solenoid valve includes a current detector for detecting a current that flows in a solenoid coil, a rate of change over time calculating unit for calculating... |
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US20110133106 |
Method and Device for Controlling an Actuator
In a method and a device for controlling an actuator, the first setpoint value for the position of the actuator is predefined. A change in the setpoint value for the control of the actuator to the... |
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US20110075314 |
METHOD FOR ACTUATING AN ELECTROMAGNETIC LOAD AND A CORRESPONDING CIRCUIT
A method is proposed for actuating an electromagnetic load (3) which can be switched between at least two switching states, particularly a magnetic valve, wherein switching between a first and a... |
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US20090225489 |
Control Unit Comprising a Closed-Loop Controller for Regulating the Electrical Coil Current of a Regulating Electrovalve
A control unit has a closed-loop controller which is connected to a regulating electrovalve by way of a feedback branch, forming a closed-loop control circuit, in order to regulate the electrical... |
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US20140355165 |
CONTROL UNIT FOR CIRCUIT BREAKER AND CONTROLLING METHOD THEREOF
Disclosed are a control unit for a circuit breaker capable of controlling and monitoring various types of switches such as a circuit breaker and a switchgear included in power system equipment, by... |
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US20090290277 |
Relay driving module and an electronic device incorporating the same
A relay driving module is adapted for driving a latching relay, and includes a current limiting circuit, an energy storage component, and a switch circuit. The current limiting circuit is adapted... |
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US20090231774 |
Reed Switch Arrays
An array of reed switches (13) is assembled on a circuit board (11) having a plurality of through-apertures (12) with one reed switch (13) disposed in each aperture with the axis of the switch... |
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US20120194961 |
Injector Drive Circuit
An injector drive circuit including: a step-up circuit generating a high voltage from a power supply; a first switching device connected to a path between the step-up circuit and an injector; a... |
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US20050180083 |
Drive circuit for el display panel
To provide a source driver circuit for an EL display panel with reduced variations in output current. A source driver circuit contains unit transistors 634 each of which constitutes a single unit.... |
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US20120106020 |
SWITCH CIRCUIT WITH INDEPENDENT DC POWER SUPPLY
A switch circuit with independent direct current (DC) power supply is provided. The switch circuit includes a switch unit, a power supply unit of the switch unit, an on/off unit of the power... |
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US20090128980 |
CIRCUIT ARRANGEMENT FOR CONTROLLING ELECTROMAGNETIC VALVES AND VALVE DEVICE WITH A CONTROLLABLE VALVE
A circuit arrangement for controlling electromagnetic valves, has a control unit that issues control signals for controlling the angular position of an electromagnetic valve and receives a reply... |
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US20070114481 |
Diagnosis method for solenoid valve based on noise detection
According to the present invention, there is provided a diagnosis method for a solenoid valve which includes: energizing and deenergizing cyclically a solenoid of the solenoid valve to repeatedly... |
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US20090080133 |
ELECTRONIC MODULE FOR AC/DC COIL WITHIN AN ELECTROMAGNETIC CONTACTOR
The present invention relates to a device and a method for utilizing a control module as an interfaced control of a dually configured AC/DC control coil comprising monitoring a coil voltage of the... |
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US20090250302 |
Fast turn-off and fast turn-on in inductive load and usage in vehicle application
A fast turn-off and fast turn-on circuit (10) providing at least one power source (12, 20), at least one switching device (14, 22), a coil (16), and at least a first voltage control device (18).... |
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US20110261497 |
DEVICE FOR PRODUCING A MAGNETIC FIELD AND ADJUSTING THE INTENSITY OF THE MAGNETIC FIELD
A device for producing a magnetic field and adjusting the magnetic field's intensity includes a power source, a wire winding, a path switching module, a path control module, a first adjusting... |
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US20070158607 |
Method for determining the drive current for an actuator
Disclosed is a method for calibrating, mechanically adjusting, or calculating a drive current of an electromagnetically operable actuator. The actuator controls the flow of a fluid responsive to... |
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US20080030917 |
High-Pressure Fuel Pump Drive Circuit for Engine
There is provided a high-pressure fuel pump drive circuit for manipulating the electric current to be passed to a solenoid coil for controlling a high-pressure pump. This circuit is characterized... |
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US20080316670 |
Voltage generator
A voltage generator used to generate a voltage for driving a vehicle fuel injector includes a microcomputer, a coil, and a capacitor. The microcomputer calculates an interval at which the fuel... |
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US20070299550 |
Three-Dimensional Guidance System And Method , And Drug Delivery System
A three-dimensional guidance system of the present invention includes a bed (1) horizontally driven by a bed drive motor (11), a position detecting sensor (6) for detecting a position of a... |
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US20150153336 |
MAGNETIC SYSTEM FOR PARTICLE ATTRACTION IN A PLURALITY OF CHAMBERS
The invention relates to a magnetic sample-processing device, particularly a sensor device (100), that comprises two electromagnets (110, 120) for generating a magnetic field (B) in a first and a... |
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US20070139047 |
Method of controlling the operation of a solenoid
A method for controlling the operation of a solenoid (14), in which solenoid the movement of the plunger is caused by bringing electric energy to the solenoid, whereby an electric current flows... |
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US20100079923 |
MULTI-FUNCTION CIRCUIT INTERRUPTION ACCESSORY
A protection apparatus for a circuit breaker disposed in a circuit to be protected uses a solenoid configured to operate the circuit breaker on command, an undervoltage release (UVR) sensing... |
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US20100059023 |
Circuit Arrangement and Method for Operating an Inductive Load
A circuit arrangement for operating at least one inductive load, for example a solenoid of a fuel injection valve, is configured to feed back electrical energy into a storage capacitor in a... |
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US20100165534 |
MAGNETIC FIELD GENERATION DEVICE
The present invention relates to a magnetic field generation device comprising a magnetic field generating element (101) and a limiter (103) for limiting a magnitude of a current through the... |
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US20110273812 |
CONTROLLING CURRENT FLOW BY A COIL DRIVE OF A VALVE USING A CURRENT INTEGRAL
A device (100) and to a method allow for a direct injection valve having a coil drive (110) to reduce in particular the pulse to pulse variation of the volume of fuel injected by the direct... |
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US20140085765 |
MAGNETORHEOLOGICAL DEVICES AND ASSOCIATED METHODS OF CONTROL
Embodiments of magnetorheological systems, devices, and associated methods of control are described below are described herein. In one embodiment, a magnetorheological device includes an... |
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US20050030691 |
Power supply and control method for injector driver module
An injector driver module includes a first converter and a second converter connected between a power supply and the load. The first converter generates a first voltage output and the second... |
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US20120314332 |
Current Sensor
There is provided a voltage or current sensing device. An exemplary voltage or current sensing device includes a drive circuitry configured to deliver a drive current to a magnetic core operably... |
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US20080218930 |
Control Apparatus and Control Method of Electromagnetic Drive Valve Operating Mechanism
When a target valve timing determined in accordance with the state of operation of an internal combustion engine is acquired, a feed forward control of setting a command timing of a valve body on... |
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US20150116887 |
METHOD AND APPARATUS FOR PRODUCING AN ASYMMETRIC MAGNETIC FIELD
A system for generating an asymmetric magnetic field. The system includes a drive circuit and a stacked winding structure coupled to the drive circuit. The stacked winding structure includes a... |
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US20140092515 |
ELECTROMAGNETIC COIL DRIVE DEVICE
An electromagnetic coil drive device has a semiconductor switch connected in series with an electromagnetic coil for controlling a current supplied to the coil; a capacitor; a comparator for... |
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US20140071576 |
Highly Precise And Low Level Signal-Generating Drivers, Systems, And Methods Of Use
Apparatus and method for providing and using a highly precise and low level driver. In one described embodiment, a driver for a magnetic field generating device is provided, the driver including a... |
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US20170125146 |
ELECTROMAGNET CONTROL APPARATUS
There is provided an electromagnet control apparatus that continuously attracts crushed pieces of metals with the core of a magnetized electromagnet without immediately releasing the attracted... |
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US20170054193 |
THREE-PORT VARIABLE POWER DIVIDER
A variable power divider comprising a latching ferrite circulator including an input port, a first output port, a second output port, and at least one winding. The ports meet in a common junction.... |
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US20160300653 |
SEMICONDUCTOR DEVICE, IN-VEHICLE VALVE SYSTEM AND SOLENOID DRIVER
An output driving circuit outputs an output current to a solenoid incorporated in a vehicle through an output terminal. A detection resistor connected between the output terminal and the output... |
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US20160203900 |
AN ELECTRICAL RELAY DRIVE ARRANGEMENT FOR ENERGISING AND DE-ENERGISING THE ELECTRICAL COIL OF AN ELECTRO-MECHANICAL RELAY
An electrical relay driver arrangement for energising and de-energising an electrical coil of an electro-mechanical relay including a power supply controller adapted to provide outputtable voltage... |
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US20160196910 |
METHOD AND DEVICE FOR COMPENSATION OF TEMPORAL MAGNETIC FIELD FLUCTUATIONS IN POWERED MAGNETS
A system for reducing temporal fluctuations in a powered magnet. The system includes a magnetic field generator that generates a magnetic field with temporal fluctuations and a power supply having... |
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US20160111237 |
METHOD FOR DRIVING AN INDUCTIVE ACTUATOR
A method for driving an inductive actuator having an actuating element and an actuator coil, includes initially acting on the actuator coil with a voltage having a first value in order to move the... |
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US20160099095 |
RELEASABLE MAGNETIC DEVICE
A magnetic device is described for releasably connecting a pair of assemblies; the device may serve as a mechanical connection or as an electrical connection, or both. The device comprises an... |
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US20160071642 |
Electromagnetic Coil Driving Control Device
The present invention is to provide a magnet coil drive control device that can efficiently suppress conduction noise while reducing the capacitance of a capacitor. A capacitor and an impedance... |
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US20140211360 |
SYSTEM AND METHOD FOR PRODUCING MAGNETIC STRUCTURES
A magnetizer for magnetizing magnetic field sources into a magnetizable material includes a magnetization subsystem, a motion control system, and a magnetizer control system. The magnetization... |
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US20110157757 |
DEVICE AND METHOD FOR IDENTIFYING THE TYPE OF CONTROL FOR A VOLTAGE- OR CURRENT-RELEASE SWITCHGEAR
A device for identifying a control mode for a voltage or current release of a voltage-release or current-release switching device includes at least one control unit having first and second control... |