| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 218008000 | Auxiliary shunt | 17 |
| 20120018404 | DIRECT-CURRENT SWITCH - A miniaturized direct-current switch with which power loss is reduced when establishing continuity of a direct-current path is provided. The direct-current switch includes an electronic open/close switch inserted in a direct-current path along which a direct current flows in order to make the direct-current path an open circuit or a closed circuit, a parallel mechanical open/close switch connected in parallel to the electronic open/close switch, and a switch control circuit that controls the opening or closing time difference mutually between the parallel mechanical open/close switch and the electronic open/close switch, wherein the switch control circuit makes the parallel mechanical open/close switch a closed circuit a predetermined time after the electronic open/close switch has been made a closed circuit. | 01-26-2012 |
| 20140091059 | ARC SUPPRESSOR, SYSTEM, AND METHOD - Device, circuit, system, and method for arc suppression. A contact separation detector is configured to output an indication of a separation state of a pair of electrical contacts. A contact bypass circuit, coupled to the contact separation detector, is configured to provide an electrical bypass between the pair of contacts based on the indication. | 04-03-2014 |
| 20140091060 | ARC SUPPRESSION CONTROL AND METHODS THEREFOR - A device, circuit, system, and method for arc suppression is described. A processor, including an input terminal and an output terminal, is configured to output pulses on the output terminal based on an indication at the input terminal of a separation of a pair of electrical contacts. A contact bypass circuit, coupled to the output terminal and in parallel with the pair of electrical contacts, is configured to provide an electrical bypass between the pair of electrical contacts based on the plurality of pulses as generated by the processor. | 04-03-2014 |
| 20140091061 | ARC SUPPRESSION SYSTEM AND METHOD - System and method for arc suppression. An electrical contact includes a pair of contacts configured to couple a power source to a load. An arc suppressor, coupled to the electrical contact, includes a contact separation detector configured to output an indication of a separation state of the pair of electrical contacts and a contact bypass circuit, coupled to the contact separation detector, configured to provide an electrical bypass between the pair of contacts based on the indication as provided by the contact separation detector. | 04-03-2014 |
| 20140374382 | Arc-Jump Circuit Breaker And Method Of Circuit Breaking - A circuit breaker for breaking an AC current, including a pair of breaker contact members with a first breaker contact member and a second breaker contact member, wherein the pair of breaker contact members is separable, whereby an arc carrying an arcing current develops between the breaker contact members; an arcing contact member configured for letting an arc root of the arc jump from the second breaker contact member to the arcing contact member, whereby the arcing current is commuted from the second breaker contact member to the arcing contact member, the commuted arcing current having a first direction; and a current-rectifying element electrically connected to the arcing contact member and configured for passing the commuted arcing current having the first direction, and for blocking a current having a second direction opposite to the first direction. | 12-25-2014 |
| 218010000 | Vacuum switch | 2 |
| 20090095716 | Circuit Breaker - A circuit breaker has a nominal current contact arrangement with a nominal current contact and a nominal current mating contact that are movable relative to each other, and with an arc contact arrangement that has an arc contact and an arc mating contact that are movable relative to each other. The circuit breaker also has kinematics driven by an actuating member which is effectively connected with the nominal current contact and the arc contact and configured, as a function of a breaking movement of the actuating member, to effect first a disconnection of the nominal current contact from the nominal current mating contact, before a disconnection of the arc contact from the arc mating contact occurs. The effective kinematics is also designed in such a way that, as a function of the switching-on movement of the actuating member, first an electrical connection of the arc contact is created with the arc mating contact, before an electrical connection of the nominal current contact is made with the nominal current mating contact. | 04-16-2009 |
| 20150108090 | CIRCUIT BREAKER APPARATUS - A circuit breaker apparatus ( | 04-23-2015 |
| 218013000 | Gas type | 3 |
| 20090095717 | Azeotrope-like compositions containing sulfur hexafluoride and uses thereof - Provided are novel azeotrope-like compositions of SF | 04-16-2009 |
| 20140353279 | Gas-Insulated Circuit Breaker With Nominal Contact Shielding Arrangement - A gas-insulated type circuit breaker including a housing defining a gas volume for a dielectric insulation gas; a first arcing contact member and a second arcing contact member, wherein the first arcing contact member and the second arcing contact member are movable relative to each other along an axis; a first nominal contact member and a second nominal contact member, wherein the first nominal contact member and the second nominal contact member are movable relative to each other along the axis; and a first nominal contact shielding arrangement including an inner shield member and an outer shield member, wherein the inner shield member and the outer shield member are arranged coaxially about the axis. The first nominal contact member is arranged co-axially between the inner shield member and the outer shield member, and is movable relative to the inner shield member and to the outer shield member. | 12-04-2014 |
| 20150318124 | IMPROVED CIRCUIT BREAKER APPARATUS - A switchgear comprising a set of arcing contacts, a set of disconnection contacts, and a set of permanent contacts, a first branch including the set of arcing contacts and the set of disconnection contacts connected in series, a second branch including the set of permanent contacts, the second branch being connected in parallel with the first branch, including a first controller and a second controller, the first controller making it possible to cause the set of arcing contacts and of the set of permanent contacts, the second controller making it possible to cause the set of disconnection contacts change over between its two positions, said disconnection contacts being able to change over towards its open position only when the set of arcing contacts and the set of permanent contacts are in their open positions, the two controllers being separate, the second being a button connected to an electric motor. | 11-05-2015 |
| 218014000 | Operating mechanism structure or arrangement | 1 |
| 20160064170 | ARC EXTINGUISHING CONTACT ASSEMBLY FOR A CIRCUIT BREAKER ASSEMBLY - An arc extinguishing contact assembly for a circuit breaker assembly is provided. The arc extinguishing contact assembly includes a fixed contact assembly, a movable contact assembly and an arc extinguishing assembly. The fixed contact assembly includes a fixed arc contact assembly, a fixed main contact assembly, and a number of movable, intermediate arc contact assemblies. The movable contact assembly includes a movable arc contact assembly and a movable main contact assembly. The arc extinguishing assembly is structured to extinguish an arc generated as the movable contact assembly moves between an open, first position and a closed, second position. | 03-03-2016 |
| 218016000 | Contact structure | 6 |
| 20120181253 | APPARATUS FOR INTERRUPTING CURRENT - In one aspect, an apparatus, such as an electrical system, is provided. The electrical system can include a pair of conductors across which an arc is sporadically supported, the arc including load current from a load circuit. The electrical system can also include an energy source that is separate from the load circuit and configured to selectively charge an electrode assembly. The conductors and electrode assembly can be configured such that the arc, when present, will be lengthened or constricted due to the charge on the electrode assembly. | 07-19-2012 |
| 218017000 | Movable contact assembly | 5 |
| 218018000 | Arcing contact | 5 |
| 20130220976 | Sequential Switching device with Surrounding Distinctive Joint Points Structure - The present invention is an innovation about a sequential switching device with surrounding heterogeneous joint points structure, in which the exterior of a middle conductive joint point is surrounded by a heterogeneous external joint point structure, so that a time delay is generated between the two joint points during the sequential OF/OFF operations, so the service life of joint points of a mechanical joint point switch can be prolonged, and the voltage drop and thermal loss of joint point are reduced, especially characterized in that the engagement and stability of joint points are enhanced. | 08-29-2013 |
| 20130248492 | ELECTRICAL CONTACT ARRANGEMENT - An electrical contact configuration includes a first contact piece with a contact socket and a second contact piece which can move relative to the first contact piece. The second contact piece has a complementary shape to the first contact piece. An auxiliary contact piece is guided in such a way that it can move in the contact socket of the first contact piece. The auxiliary contact piece is guided in an electrically isolated manner. | 09-26-2013 |
| 20150357135 | CIRCUIT BREAKER PROVIDED WITH MEANS THAT REDUCE THE SWITCHING ARC BETWEEN PERMANENT CONTACTS - A movable permanent contact ( | 12-10-2015 |
| 20160064169 | ARC EXTINGUISHING CONTACT ASSEMBLY FOR A CIRCUIT BREAKER ASSEMBLY - An arc extinguishing contact assembly for a circuit breaker assembly is provided. The arc extinguishing contact assembly includes a fixed contact assembly, a movable contact assembly and an arc extinguishing assembly. The fixed contact assembly includes a fixed arc contact assembly, a fixed main contact assembly, and a number of movable, intermediate arc contact assemblies. The movable contact assembly includes a movable arc contact assembly and a movable main contact assembly. The arc extinguishing assembly is structured to extinguish an arc generated as the movable contact assembly moves between an open, first position and a closed, second position. | 03-03-2016 |
| 20160379779 | CONTACT CONTACTING STRUCTURE - Provided is a contact contacting structure that reliably prevents the development of arc discharge in a simple configuration regardless of the magnitude of electric energy accumulated between a pair of contacts that are connected and disconnected. An intermediate contact body disposed continuously with a first contact along a movement path of a second contact is formed from material with higher electric resistivity than the first contact in a shape such that the cross sectional area of a transverse section perpendicular to the movement path is gradually decreased in a separating direction along the movement path. | 12-29-2016 |
