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Patent Searching and Data


Matches 451 - 500 out of 12,263

Document Document Title
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...  
WO/2007/074302A2
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/2007/054187A1
A safety switching apparatus for the failsafe disconnection of an electrical load has a first and a second connection terminal (36, 38) for connecting a first signaling switch (24a) and a third and a fourth connection terminal (40, 42) f...  
WO/2007/002513A3
A dynamically configurable relay element configured to protect an electrical system, including a dynamically calculated relay operating quantity, a dynamically calculated relay pickup setting, a dynamically calculated time dial, a plural...  
WO/2007/051678A1
Steering device for boats comprising at least: a through channel (7) passing through the hull of the 5 boat from side to side under the water line and inside which channel (7) there is provided at least a propeller (5) operated by a moto...  
WO/2006/113548A3
A wide input voltage range relay drive circuit allowing a more than 2:1 input voltage variation is provided. The circuit utilizes a scaled and rectified bulk voltage to drive the relay coil. As the monitored bulk voltage increases beyond...  
WO/2007/025203A3
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/2007/037883A2
Provided is a handheld communication tester and method for testing direct serial communication capability of an IED. The first IED includes an equal plurality of transmit bit channels and receive bit channels. The handheld communication ...  
WO/2007/005183A3
A control system for a switching power supply shifts the phase of a PWM signal in response to a change in operating conditions. The phase may be shifted by resetting an oscillator that controls the PWM signal. Phase shift logic may inclu...  
WO/2007/031356A1
The invention relates to relates to a control circuit for a relay. A coil (1) of the relay and a switch element (2) connected in series thereto are supplied by a first voltage source configured by a capacitor (4). Said capacitor (4) is c...  
WO/2007/028321A1
A low-power numerically controlled contactor and a control system made of the contactors. The low-power numerically controlled contactor includes exciting coils, a moveable iron core and a still iron core, wherein the still iron core is ...  
WO/2007/027637A2
A portable electric appliance includes a housing, an electrically operable element positioned within the housing, a transmitter adapted to transmit a beam of radiation, and a receiver responsive to the beam of radiation. The transmitter ...  
WO/2007/016896A2
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/2007/014725A1
The invention relates to a safety switching unit, with which a safety device, preferably an electric drive, can be controlled into a safe state. The safety switching unit (900) comprises a microprocessor or microcontroller (822) that, fo...  
WO/2006/084093A3
An apparatus for reducing static electricity includes an ionizer that generates ions for neutralizing static electricity, a blower that produces a current of air for moving the ions to a desired location, and a motion detector operativel...  
WO/2007/008598A2
A process control apparatus including an actuator (110) configured to effect changes in an industrial process, a power supply (108), a plurality of current switches (104) coupled between the actuator and the power supply and a controller...  
WO/2006/133659A1
Disclosed is an electromagnetic switching device (1, 2, 3) comprising a number of fixed contact pieces (12), a solenoid-operated mechanism (6), a contact support (4) which can be moved counter to restoring means with the aid of the solen...  
WO2005097429A3
A driving tool, such as a fastening tool, with a driver (28), motor (32), a flywheel (34) driven by the motor, an actuator (44), an actuator member (38) that is movable by the actuator, a trigger switch that is moveable by a trigger betw...  
WO/2006/121144A1
A control device (30) determines that a system relay for precharging (SMRP) is welded when, after generation of a signal (SEB) at the H level upon starting of a vehicle system to turn on only a cathode-side system relay (SMRB), a prechar...  
WO/2006/121774A1
A safety interlock circuit wherein the safety interlock switches can report their status. Signal generators associated with the safety interlock switches produce status signals that are transmitted on the wiring of the safety interlock c...  
WO/2006/121954A2
A hermetically sealed multi-pane window assembly comprises first and second windowpane sheets formed of transparent materials. A first sealing member has an inner edge and an outer edge, the inner edge being hermetically attached around ...  
WO/2006/121793A2
A device connected between a source of power and at least one load for selectively providing power from the source of power to the at least one load to operate in an area responsive to an environmental condition in the area. In one embod...  
WO/2006/116800A1
Apparatus is disclosed adapted to be triggered by an event such as a power blackout or an actuated smoke detector. The apparatus includes a remote circuit adapted to activate at least one source of light and/or a warning device. The appa...  
WO/2006/113548A2
A wide input voltage range relay drive circuit allowing a more than 2:1 input voltage variation is provided. The circuit utilizes a scaled and rectified bulk voltage to drive the relay coil. As the monitored bulk voltage increases beyond...  
WO/2006/099925A1
The invention relates to a safety switch device for the reliable disconnection of an electrical consumer in an automated installation. Said safety switch device comprises at least one input (38, 40) for connecting a signalling appliance ...  
WO/2006/099935A1
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/2006/097412A1
The invention relates to an electric supply circuit for a switch actuating device comprising an actuator (12), an electromagnetic drive (14) for displacing the actuator (12) from a first switching position to a second switching position,...  
WO/2006/083739A1
Systems and methods for implementing line overload control via providing distributed series impedance are disclosed. One system, amongst others, comprises at least one distributed series reactor (DSR). Each DSR comprises a single turn tr...  
WO/2006/084093A2
An apparatus for reducing static electricity includes an ionizer that generates ions for neutralizing static electricity, a blower that produces a current of air for moving the ions to a desired location, and a motion detector operativel...  
WO2005015578A3
A dynamic degaussing system includes a magnetic field sensor (136) for generating a sensor signal in response to a sensed magnetic field. The magnetic field sensor (136) is coupled to a controller (400) that produces an output signal bas...  
WO/2006/077279A1
The invention relates to a contactor detector (100), which can be arranged into a functional relationship with a contactor, which contactor detector comprises detecting means for detecting the failed contactor. The contactor detector (10...  
WO/2006/078507A1
A universal power system, as described herein, includes: a) at least one DC power distribution system, b) at least one universal controller connected to the at least one power distribution system and c) at least one user interface connec...  
WO/2006/072217A1
A bistable contactor drive circuit, a series branch comprising a first relay coil and a control signal source is connected to a power supply, a third normally-closed contact and an eighth normally-opened contact of the first relay are co...  
WO/2006/060264A2
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/2006/058866A1
A control circuit (5) for a switching device, comprising a relay (1) and a switch (3). The control circuit (5) is configured in such a way as to produce a hold signal (HOLD) for a predetermined period of time (TD) when a start signal (ST...  
WO2005036746A3
A high voltage driver (101) with capacitive (106) coupling that is useful in the presence of the high power supply ripple common with higher-voltage systems (118). It permits extreme ranges of duty cycle, but without the limitations of t...  
WO/2006/054365A1
A relay switch is provided between the output terminal of each of multiplexers included in a certain layer of a tree structure and the input terminal of a multiplexer included in a layer immediately overlying the certain layer. The relay...  
WO/2006/051124A1
The invention relates to an electrical contactor and to the associated contactor-closure control method. The inventive electrical contactor (100) comprises: a removable conduction circuit (105), an actuator (110), a magnetic stator (115)...  
WO/2006/039562A2
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/2006/024855A1
A vehicle battery disconnect switch comprises inlet (1) and outlet (3) castings separated by a planar insulating spacer (2). The inlet (1) and outlet (3) castings and spacer (2) are contained within a housing comprising a base moulding (...  
WO/2006/017162A1
A method and apparatus for operating a magnetic actuator in a power switching device by transmitting at least two different electrical current waveforms to the actuator. Both waveforms are sent to the actuator from a controller in the sa...  
WO/2006/016400A1
A drive circuit capable of reducing the size and cost of a DC voltage driven magnet contactor. Since an auxiliary contact (b contact) (5) originally provided in an MC, which opens when a main contact (4) is closed and closes when the mai...  
WO/2006/009672A1
A current protection apparatus (200) and current protection method (1000) that may include programmable current protection characteristics has been disclosed. A current protection apparatus (200) may include a power distribution unit (23...  
WO/2006/002725A1
Disclosed is a device for the fail-safe shutdown of an electrical consumer, comprising a signal transmitter (26) for generating an input signal (32) that represents a safety requirement. Said input signal (32) is fed to a protective swit...  
WO2005109583A3
A power adapter device and a power delivery system are disclosed herein. The power adapter device includes an input terminal at which the device receives input power having an input power characteristic, and an output terminal at which t...  

Matches 451 - 500 out of 12,263