| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 218002000 | Multiple break | 10 |
| 20120187089 | HIGH-VOLTAGE, SUPER-VOLTAGE AND HEAVY CURRENT BREAKER - A high-voltage, super-voltage and heavy current breaker is formed by combining intelligent optical vacuum breaker modules ( | 07-26-2012 |
| 218003000 | Hybrid-type | 1 |
| 20090020506 | Electrical Switching Device - An electrical switching device has a first interrupter unit for interrupting and connecting an electrical line, in particular an air-insulated grounding switch. A method for switching an air-insulated grounding switch assures that no arc owing to a voltage flashover is produced on the air-insulated grounding switch. A second interrupter unit, which is connected in parallel with the first interrupter unit, can be switched such that resultant striking of an arc during switching only takes place in the second interrupter unit. | 01-22-2009 |
| 218004000 | Series connected break | 4 |
| 20100243610 | SINGLE-POLE OR MULTI-POLE DOUBLE BREAK SWITCHING DEVICES - The present invention relates to a switching device, in particular an automatic switch, a disconnector or a contactor, with high dependability, for use preferably in low voltage electrical systems. In particular the invention relates to a single-pole or multi-pole double break switching device for low voltage systems comprising, for each pole, at least a first pair of contacts and at least a second pair of contacts. Each pair comprises a stationary contact and a movable contact which can be reciprocally coupled/decoupled at the level of a first breaking cavity and a second breaking cavity respectively. Said cavities are defined inside a casing which comprises a first surface with respect to which an internally hollow portion protrudes, said internally hollow being integrally made with at least one portion of the casing. The hollow portion defines, for each pole, one or more discharge channels each of which has a first section communicating with the corresponding first breaking cavity and a second section communicating with the environment outside the casing to permit the discharge of gas from the inside of the first breaking cavity. | 09-30-2010 |
| 20090179009 | Switching device, in particular a power switching device, having two pairs of series-connected switching contacts for interrupting a conducting path - A switching device, in particular a power switching device, has two pairs of series-connected switching contacts for interrupting a conducting path and at least one quenching packet, disposed near the pairs of switching contacts, for quenching the arcs occurring when the conducting path opens. The pairs of switching contacts are arranged such that their opening paths are substantially mutually parallel or antiparallel. The pairs of switching contacts are connected in series such that the same current flowing in both arcs flows spatially in the same direction. The quenching packet is disposed in the area between the opening paths. | 07-16-2009 |
| 20100270266 | CIRCUIT BREAKER WITH TWO ALIGNED BREAKER CHAMBERS, A COMMON TRANSMISSION, AND REDUCED SIZE - A very high voltage circuit breaker comprising, for each phase, at least two breaker chambers aligned with each other, each chamber including a pair of main contacts, a pair of arcing contacts that are stationary relative to the main contacts, and a nozzle for blowing out hot gases resulting from the breaking operations, the pairs of contacts being partly of complementary male and female forms, each comprising at least one movable contact, the nozzle being stationary relative to the movable main contact and arcing contact. | 10-28-2010 |
| 20130098874 | SWITCH HAVING TWO SETS OF CONTACT ELEMENTS - An exemplary medium or high voltage switch has a first set of contact elements and a second set of contact elements. Each contact element includes an insulating carrier carrying conducting elements. In the closed state of the switch, the conducting elements align to form one or more current paths between terminals of the switch along an axial direction. For opening the switch, the contact elements are mutually displaced by means of one or two drives along a direction perpendicular to the axial direction. The switching arrangement is arranged in a fluid-tight housing in a gas of elevated pressure or in a liquid. The switch has a high voltage withstand capability and fast switching times. | 04-25-2013 |
| 218005000 | Simultaneous break | 2 |
| 20090120907 | SWITCH UNIT HAVING A CIRCUIT BREAKER AND A DISCONNECTOR WITH COMMON DRIVE MEANS - A switch unit comprising a circuit breaker and a disconnector disposed in one plane and fixed to a metal casing. | 05-14-2009 |
| 20110253675 | Three Phase Vacuum Interrupter Switch for High Voltage Distribution Systems - A three-phase vacuum interrupter switch assembly for power distribution systems comprises an outer case having at least one window, a plurality of internal disconnect switch assemblies, and a plurality of vacuum interrupter bottle switch assemblies within the case. Each vacuum interrupter bottle switch is coupled in electrical series with a corresponding internal disconnect switch assembly. Because the open/closed state of a bottle switch is not directly observable owing to its sealed interior, a direct visible indication of the state of the three-phase vacuum interrupter switch assembly is provided by a visually detectable contact rod for each internal disconnect switch that is visible through the case window. To prevent potentially serious damage caused by arcing between the contacts of the internal disconnect switch, the internal disconnect switch is prevented from opening or closing when the bottle switches are closed. The case interior is preferably free of oil and/or SF | 10-20-2011 |
| 218007000 | Operating mechanism structure or arrangement | 2 |
| 20090314745 | Switch Disconnector - A switch disconnector is disclosed. The switch disconnector has a main contact point and an arc interruption contact point, of which the main contact point opens before the arc interruption contact point during a disconnection operation and is closed after the arc interruption contact point during connection, with a stationary and a moving contact-piece arrangement, with the stationary contact-piece arrangement having a pot contact piece with contact fingers and with the moving main contact point having a contact cylinder which is connected to a contact mount, and with the arc interruption point having a contact pin as the stationary contact piece and an annular contact piece as the moving contact piece. The contact pin has a section composed of interruption-resistant material, whose external diameter is greater than the external diameter of the rest of the pin area. The contact pin has at least one slot which runs in the longitudinal direction and splits the pin into at least two pin fingers. | 12-24-2009 |
| 20090250435 | GAS INSULATING SWITCHGEAR EQUIPPED WITH GROUNDING SWITCHGEAR - Provided is a gas insulating switchgear equipped with a grounding switchgear that can facilitate compactness by forming integrally switch mechanisms for switching a main circuit and a grounding and rapidly operates even a grounding-switching movable electrode by the switch mechanisms. | 10-08-2009 |
