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Patent Searching and Data


Matches 401 - 450 out of 12,242

Document Document Title
WO/2008/135670A1
The invention relates to a bistable electromagnetic actuator that comprises a magnetic circuit (12) including a magnetic yoke (20) in which a shunt (26) extends perpendicularly to a longitudinal axis (Y) of said yoke, and including a per...  
WO/2008/131703A1
A module comprises a circuit breaker, a supply contact, a feedback contact, two relay contacts, a switch device, and two actuating elements. The supply contact and the first relay contact are connected to each other via the circuit break...  
WO/2008/132949A1
A motor drive device (100) includes a first to a third system main relay (SMRB, SMRG, SMRP), a limit resistance (Rp), and a control device (30). Upon start of the motor drive device (100), the control device (30) judges whether the first...  
WO/2007/103020A3
Electrical oscillations in a metallic "sending coil" radiate inductive photons toward one or more "energy-magnifying coils" comprised of a photoconductor or doped semiconductor coating a metallic conductor, or comprised of a superconduct...  
WO/2008/027723A3
A system for protecting against unplanned state changes of a magnetic latching rely (100) includes logic switching logic circuit (101, 105) for controlling a driver circuit (103) that works to supply a drive voltage to a magnetic latchin...  
WO/2008/124395A1
A control circuit for controlling an arc suppression circuit includes a serial communication link communicating a serial signal therethrough. The control circuit includes a microprocessor having a serial input communicating with the seri...  
WO/2008/024333A3
An electromagnetic actuator assembly that includes an annular frame, a coil assembly, an annular armature, a plunger and a sensor. The coil assembly is coupled to the frame and includes an annular core and an annular coil. The annular ar...  
WO/2008/045610A3
A power module to regulate delivery of power to one or more loads is disclosed. The module includes a logic circuit configured to generate one or more control signals indicative of the power level to be applied from an external power sup...  
WO/2007/150058A3
A compact non-contact multi-function electrical switch for use in an electrical box mounted on a wall has a one or more capacitance sensors for detecting a presence of a hand placed adjacent to the switch, as well as the directional move...  
WO/2008/082896A3
A monitor circuit is provided which detects various incipient failure modes of a circuit breaker. The monitor circuit includes a processor and a primary circuit connected in circuit with the processor. The primary circuit may be configur...  
WO/2007/082287A3
Ionizers are monitored and controlled by a small remote sensor that can read the same as a charge plate monitor located at a different location. Balance amplification to compensate for the remote sensor's small size maintains accuracy. B...  
WO/2008/033839A3
A thermal signal generating device, including at least two parallel buss bars operable for carrying a current and a heating element having at least a first region and a second region. The heating element includes a plurality of horizonta...  
WO/2008/057450A3
Printed circuit boards (34) and breadboard devices (22) have contact pads (36, 120, 121, 125) and magnetic component (42) connectors where connection between the contact pads and the magnetic component connectors are made by magnetic for...  
WO/2008/082896A2
A monitor circuit is provided which detects various incipient failure modes of a circuit breaker. The monitor circuit includes a processor and a primary circuit connected in circuit with the processor. The primary circuit may be configur...  
WO/2008/080065A1
An apparatus and method for controlling the operation of a solenoid in a circuit breaker includes a control circuit configured to receive an activation signal in response to a predetermined condition. The control circuit, in response to ...  
WO/2008/071623A1
The system of the invention includes a calculator (20) and a control housing (10) provided with switches having a single stable position in opened position and with a manual control member for said switches, wherein said control member (...  
WO/2008/071713A1
The invention relates to a circuit arrangement for switching valves with common pulse width modulation and quenching, comprising a first switch (SO), to which pulse width modulation is applied for controlling magnetic fields of a plurali...  
WO/2008/067782A1
The invention relates to a method for actuating at least two electromagnetic relays (51a, 51b), wherein after switching on a respective relay (51a, 51b), the relay contacts (55a, 55b) thereof are held in the switched-on position by means...  
WO/2008/064694A1
The invention relates to a method for detecting the operability of an electric relay (10). Said relay is charged with the current of a control coil for opening and/or closing an electric contact device (20), wherein an armature (16) is m...  
WO/2008/062856A1
An ECU executes a program which includes a step (S1010) of turning on an SMRP and an A-SMRP when an ignition switch is turned on (YES at S1000); a step (S1040) of detecting voltage values (VB(1), VB(2)) of operating batteries when a VH i...  
WO/2008/061933A1
The invention relates to a method for monitoring a switch unit (1), said unit connecting a first switch input (11) to either a second switch input (12) or a third switch input (13). According to the invention, a test signal (TS) is appli...  
WO/2008/055828A1
According to the invention, secure control of electrical actuators and/or sensors and/or users (V1, V2, V3) in an electrical appliance can be achieved, wherein at least two switch bodies (SW1, SW2) operated corresponding to an AND link a...  
WO/2008/055701A1
The invention proposes a safety switch device for switching a power supply to a load on and off with at least one driveable switching element (1, 2, 21, 22), in particular a relay and a safety circuit (103, 104) for checking a switching ...  
WO2007025203A8
There is disclosed a self-testing circuit interrupting device which provides uninterrupted power to a load during a complete electronic and electromechanical components self test to allow autonomous periodic automated self testing withou...  
WO/2007/074257A3
The invention relates to an electronic device (10) for commuting an electric load, comprising an electronic commutator (16) controlled by a microcontroller (12), positively supplied at a voltage (Vcc), with an outlet which may adopt at l...  
WO/2008/031404A1
The invention relates to an alternating current switch device for the optional closure and opening of at least one electrically conducting connection. This alternating current switch device has at least two parallel connected branches (1...  
WO/2008/025319A1
The invention relates to a terminal unit of a bus system (10), comprising a microprocessor (40) for generating an actuator command signal, a switching member (19) which is controlled by the actuator command signal and is used for switchi...  
WO/2008/009731A1
The invention relates to a coil arrangement having a tube-shaped coil support of an electromagnetic drive, particularly a two-stage engaging relay, wherein the coil arrangement comprises a hold-in winding and a pull-in winding, and where...  
WO2006099935A9
The invention relates to a safety switch for the safe disconnection of an electric consumer. Said switch comprises at least one input (38, 40) for connecting a signalling device (20). The switch is also equipped with an evaluation and co...  
WO/2007/150058A2
A compact non-contact multi-function electrical switch for use in an electrical box mounted on a wall has a one or more capacitance sensors for detecting a presence of a hand placed adjacent to the switch, as well as the directional move...  
WO/2007/146993A2
A current limiting fuse with a resistance element connected in series with a currently limiting fuse element, and systems and methods therefore.  
WO/2007/144439A1
The system is based on the fact that the actuating elements, such as switches (1) for activating an electrical element (6), are connected to the corresponding conventional wiring (2), by means of optical fiber cables (3) that constitute ...  
WO/2007/143576A2
Methods and techniques are disclosed for an intelligent GFCI device (IGFCI) having a microcontroller programmed to perform self-testing on a periodic basis and communicate the results of this testing to a remote monitoring device such as...  
WO/2007/094804A3
delivered in a stream of gas flowing through a dielectric channel (6) that surrounds a loop of conductive filament (2) which forms an ionizing electrode. The loop is formed within a single plane, or within multiple planes, and is support...  
WO/2007/098753A3
The invention relates to a modular switchgear comprising a first output module and other output modules, in addition to input modules, and a device for the electrical connection of said modules. Each of the other output modules is provid...  
WO/2007/133304A2
A blow molded, hollow plastic container including two opposed, relatively longer sidewall portions which alternate with two opposed, relatively shorter sidewall portions. A first of the relatively shorter sidewall portions includes a gri...  
WO/2007/123279A1
When an ignition key is turned ON, an ECU (50) drives a bidirectional DC/DC converter (40) to charge a condenser (C1) to a voltage (Vth1) (< VB). The ECU (50) turns ON only a first relay (SMR1) to diagnose the deposition of an OFF second...  
WO/2007/122703A1
To perform a tripping operation with reliability in a self-feeding electronic overload relay, and to halt a device to be protected with reliability and safety. A trip coil (22) is excited by a charge stored in a trip capacitor (21) servi...  
WO/2007/121427A2
Methods and apparatus generate electricity through the operation of a circuit based upon a single magnetic flux path. A magnetizable member provides the flux path. One or more electrically conductive coils are wound around the member, an...  
WO/2007/101514A1
A safety switching apparatus for the failsafe disconnection of an electrical load has a first and a second connection (36, 38) for supplying a first and a second alarm signal. It also has a first and a second switching element (K1, K2), ...  
WO/2007/098753A2
The invention relates to a modular switchgear comprising a first output module and other output modules, in addition to input modules, and a device for the electrical connection of said modules. Each of the other output modules is provid...  
WO/2007/074302A3
The invention concerns a device (10) comprising a first circuit (14) including a first electric power supply source (16) and an electromagnetic relay (18) equipped with a coil (20) controlling the movement of at least one first mobile co...  
WO/2007/094804A2
delivered in a stream of gas flowing through a dielectric channel (6) that surrounds a loop of conductive filament (2) which forms an ionizing electrode. The loop is formed within a single plane, or within multiple planes, and is support...  
WO/2007/016896A3
The invention relates to a method for controlling at least one relay in a motor vehicle. Said relay is controlled, during the pick-up phase thereof, by an increased value of the current in the exciting circuit, the corresponding current ...  
WO/2007/089311A2
A vacuum-type electrical switching apparatus (10) for high voltage electrical power. A vacuum pressure condition in a vacuum pressure space (21) surrounding electrical contact points (18) is monitored and movement of the contact points b...  
WO/2006/060264A3
A method of detecting and attempting to correct a relay tack weld failure of its contacts is presented. This method senses the failure of a relay's contacts to open once it has been commanded to trip. This sensing may directly sense rela...  
WO/2007/083009A1
The invention relates to a circuit breaker (1) comprising an electrical input terminal (10) intended to be connected to an accumulator battery (300), an electrical output terminal (20), contact means (2, 3) suitable for closing or openin...  
WO/2007/079767A1
The invention relates to a method for operating a switching device using at least one electromagnetic drive (1), which has a displaceable armature (10) for opening and closing at least one main contact (15) of the switching device. Accor...  
WO/2006/039562A3
The present invention is related to electro-kinetic air conditioner systems having at least one emitter electrode and at least one collector electrode. The emitter electrode can have a plurality of pins axially arranged about a center ax...  
WO/2007/074257A2
The invention relates to an electronic device (10) for commuting an electric load, comprising an electronic commutator (16) controlled by a microcontroller (12), positively supplied at a voltage (Vcc), with an outlet which may adopt at l...  

Matches 401 - 450 out of 12,242