| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 361102000 | With mechanical circuit breaker | 14 |
| 20110310521 | ELECTRIC PROTECTIVE SWITCH DEVICE HAVING CONTROL ELECTRONICS - An electric protective switching device is configured as a modular system and includes a switching device base module including first mechanical guide elements and an installation space with electric contacts. A control module including control electronics, first mechanical elements and electric counter-contact elements is installable into the installation space. A communication module including second mechanical elements is configured as an interface between the control electronics and an electronic bus system. The control module and the communication module are connectable mechanically and electrically to the switching device base module. The first mechanical guide elements of the switching device base module are configured to slidably receive the first mechanical elements of the control module and the second mechanical elements of the communication module in a plugging sequence wherein an electric contacting between the communication module and the control module is only established when, in the plugging sequence, the second mechanical elements of the communication module are connected to the first mechanical guide elements of the switching device base module before the first mechanical elements of the control module are connected to the first mechanical guide elements of the switching device base module. | 12-22-2011 |
| 20120026638 | RELEASE FOR AN ELECTRIC SWITCHING ARRANGEMENT - A release for an electrical switching arrangement is disclosed, which is arranged over the course of a first current path. In at least one embodiment, it includes at least two switching contacts, which are arranged in a housing and are isolated if the current flowing via the switching contacts has exceeded a predetermined threshold value, with an actuating element, which responds, counter to the force of a restraining apparatus, to a pressure which is generated by an arc drawn in the event of electrodynamic recoil of the switching contacts in an isolating zone of the switching contacts, which isolating zone is surrounded by the housing, and which actuates a shutdown mechanism which brings about automatic interruption of the current path, wherein the actuating element has a movable element, which forms a blocking element in a flow channel, which is connected to the isolating zone, which blocking element performs a predetermined control movement at the pressure which is intended to result in shutdown. | 02-02-2012 |
| 20120250206 | COMPACT RESIDUAL CURRENT BREAKER WITH OVERCURRENT PROTECTION - A single-module circuit breaker includes a first longitudinal portion, a second longitudinal portion, and a third longitudinal portion proximate the first and second longitudinal portions. The first longitudinal portion includes overcurrent detection componentry configured to detect an overcurrent condition. The second longitudinal portion includes leakage current detection componentry configured to detect a leakage current condition. The third longitudinal portion includes a contact mechanism, a first conduction path, and a second conduction path, and the contact mechanism is configured to disrupt the first and second conduction paths in response to at least one of the overcurrent condition and the leakage current condition. | 10-04-2012 |
| 20120314331 | RELEASE FOR AN ELECTRICAL SWITCHING ARRANGEMENT - A selective release with a moving element is disclosed. The moving element is here mounted such that the moving element, in addition to the motion about its swivel axis, is guided in its motion by way of a brace. As a result of this, the moving element is mounted such that the trajectory of the blocking element essentially runs in a plane which extends transversely to the direction of flow of the flow channel. | 12-13-2012 |
| 20130021708 | Hybrid Circuit Breaker - A hybrid circuit breaker for interrupting a fault current in an electrical circuit line having a line impedance, the hybrid circuit breaker including a mechanical circuit breaker adapted to interrupt the line upon detecting the fault current, a semiconductor device arranged in parallel with the mechanical circuit breaker to conduct the fault current when the mechanical circuit breaker is disconnected, a branch connected between the electrical circuit line and ground, the branch including an impedance unit and a control unit configured, upon detecting the fault current, to connect the impedance unit in parallel with the line impedance. | 01-24-2013 |
| 20130077204 | BREAKER FAILURE PROTECTION OF HVDC CIRCUIT BREAKERS - A breaker failure protection system for a high voltage direct current, HVDC, circuit breaker is provided. The circuit breaker is arranged for interrupting a DC circuit upon reception of a trip signal. The protection system includes a current sensor, at least one inductor, and a breaker failure detection unit. The current sensor is arranged for measuring a current I(t) through the DC circuit. The at least one inductor is connected in series with the DC circuit. The breaker failure detection unit is arranged for assessing, whether the circuit breaker has failed, and sending, if the circuit breaker has failed, a trip signal to an adjacent circuit breaker. The assessment is based on the measured current. The stability of HVDC grids may be improved by sending, in case of a breaker failure, a trip signal to adjacent circuit breakers. Further, a method of breaker failure protection for an HVDC circuit breaker is provided. | 03-28-2013 |
| 20130107413 | Portable and Modular Electrical Pegboard System | 05-02-2013 |
| 20130329331 | Wireless Branch Circuit Energy Monitoring System - A circuit breaker (such as a miniature circuit breaker) that wirelessly communicates state and fault information to a main energy monitoring module. The wireless circuit breaker includes a transceiver and a power supply that harvests energy inductively from the line current conductor without the need for a connection to a neutral conductor. The wireless circuit breaker can be implemented in the same package as existing circuit breakers, eliminating the need to replace the panel when upgrading to a system that employs a main energy monitoring module. The wireless circuit breaker can also include an energy storage device for supplying power to the circuit breaker after it has tripped, allowing the circuit breaker to transmit information after a trip. The main energy monitoring module includes a processor and a gateway for evaluating and transmitting information received from the circuit breaker to other applications, such as webpages and smartphones. | 12-12-2013 |
| 20140204494 | CIRCUIT INTERRUPTER PROVIDING GROUNDED NEUTRAL PROTECTION AND METHOD OF CONTROLLING THE SAME - A circuit interrupter includes a first electrical conductor, a second electrical conductor, separable contacts, an operating mechanism configured to open and close the separable contacts, and a trip circuit including a trip actuator configured to cooperate with the operating mechanism to trip open the separable contacts. The circuit interrupter also includes a ground fault detection circuit configured to sense a difference between currents through the first and second electrical conductors and to output an output signal based on the sensed difference, a power supply configured to convert alternating current power from the first and second electrical conductors to a direct current power, and a processor configured to receive the direct current power and the output signal. The processor is also configured to determine whether a characteristic of the power supply is present in the output signal and to control the trip circuit based on the determination. | 07-24-2014 |
| 20150055265 | DEFECT INDICATOR FOR AN ELECTRONIC DEVICE, IN PARTICULAR SURGE ARRESTER - The invention relates to a defect indicator for an electronic device, in particular a surge arrester, comprising at least two thermal overcurrent protection devices which respond to different fault or overload states and each have a mechanical actuating device for triggering the fault signalling, wherein the mechanical actuating device is in the form of a bolt or pin which acts on a fault signalling element. According to the invention, the at least two overcurrent protection devices are arranged relative to one another in such a manner that the direction vectors of the bolts or pins intersect in an imaginary extension of the movement path thereof, wherein the particular bolt or pin acts on a respectively provided surface side of a displaceable armature and the armature occupies a variable position in the movement path. The armature also has a further surface side which, in the event of an armature movement, in turn acts on the fault signalling element and displaces the latter, for example, and this further surface side comprises at least one wedge slope for this purpose in order to change the direction of force on account of the movement of one of the bolts or pins. | 02-26-2015 |
| 20150318682 | ARRANGEMENT FOR DETECTING ARCS IN AN ELECTRIC INSTALLATION ARRANGEMENT - An arrangement for detecting arcs in an electric installation arrangement includes at least one first sub-network and a second sub-network. At least one first detector for measuring an electric variable and outputting a first measurement signal is arranged in the first sub-network, and at least one second detector for measuring an electric variable and outputting a second measurement signal is arranged in the second sub-network. The arrangement may have an arc-detecting device, and the first detector and the second detector may be connected to the arc-detecting device so as to transmit messages. | 11-05-2015 |
| 20160055999 | SYSTEM AND METHOD FOR QUENCHING AN ARC - An arc quenching system is presented. The arc quenching system includes a mounting structure, a plurality of movable arc chute plates mounted on the mounting structure, and a motion delivery unit mechanically coupled to the mounting structure. The motion delivery unit is configured to impart at least one of a rotation motion and a vibration motion to one or more movable arc chute plates of the plurality of movable arc chute plates. | 02-25-2016 |
| 20160072277 | In-Line Cable Termination Systems for Electrical Power Transmission Cables and Methods Using the Same - An in-line cable termination system for use with first and second electrical power transmission cables includes an isolating apparatus having an isolating apparatus axis and including an electrically conductive first end member and an electrically conductive second end member, first and second insulators, and a fused switch mechanism. The first end member and the second end member are spaced apart along the isolating apparatus axis. Each of the first and second end members includes a respective coupling portion to mechanically and electrically engage the first and second cables, respectively. The first and second insulators each extend between and couple the first end member and the second end member. The fused switch mechanism includes a fuse module and is configured to selectively alternatively electrically connect the first and second end members, and thereby the first and second cables, through the fuse module and disconnect the first and second end members. | 03-10-2016 |
| 20160181784 | ELECTRONIC CIRCUIT ARRANGEMENT FOR USE IN AN AREA EXPOSED TO EXPLOSION HAZARDS | 06-23-2016 |
