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Match Document Document Title
7612309 Buffering mechanism for gas circuit breaker  
A buffering mechanism for a gas circuit breaker includes a center piece which includes two protrusions extending from two ends thereof and two match surfaces are defined in two opposite sides of...
7579570 High-voltage outdoor bushing configuration  
A high-voltage outdoor bushing configuration includes an electrically insulating casing and an electrically conductive housing. An isolating gap is located inside the electrically conductive...
7566842 Switching chamber and heavy-duty circuit breaker  
The switching chamber for a heavy-duty circuit breaker has a first arcing contact piece, a second arcing contact piece, a heating chamber, and an insulating nozzle. The first or second arcing...
7507932 Heavy-duty circuit breaker with movement reversal  
The heavy-duty circuit breaker contains a first moveable arcing contact piece and a second moveable arcing contact piece as well as an auxiliary drive for driving the second arcing contact piece....
7343137 Circuit, switching module comprising the same, and use of said switching module  
The invention relates to a circuit comprising an antenna input ( 1 ), a signal input ( 2 ) and a signal output ( 3 ), and a switching unit ( 4 ), wherein the antenna input ( 1 ) is connected to a...
6927355 Circuit breaker  
The invention relates to a circuit breaker, preferably for high or medium voltage. The movable conact of each breaker pole is connected, via mechanical means for transmitting movement, to a movable...
6818850 Disconnect switch for switching capacitive currents  
A disconnect apparatus for electrical power lines comprises a circuit interrupter having a fixed contact and a moveable contact. A linkage mechanism has first and second coupling elements. The...
6815629 Hydraulic pressure actuating apparatus for circuit breaker  
In a hydraulic pressure actuating apparatus for a circuit breaker, contacts of the circuit breaker have a moving contact and a stationary contact for turning on/off current. A shaft, at an end...
6747232 Vacuum contactor  
In a vacuum contactor, the armature is initially deflected from an armature rest position through an initial movement distance, and then through a driving movement distance to an armature operating...
6649853 Combined type fluid pressure driving apparatus  
The present invention provides a switchgear, which can achieve miniaturization and simplification while securing high operation reliability, and excellent in assembly, operability and inspection,...
6486420 Disconnector contact drive devices for switching installations which supply and distribute power  
Disconnector contact drive devices for switchgear for power supply and distribution are described, in particular for air-insulated medium-voltage switchgear, having movable pole units. In where in...
6429394 Power breaker  
The power breaker is provided with at least one arcing chamber ( 2 ) which is filled with SF 6 gas, is rotationally symmetrical, and extends along a longitudinal axis ( 3 ). The arcing chamber ( 2...
6410873 High voltage circuit breaker, especially a gas-blast circuit breaker  
In a high-voltage power breaker having two mutually opposite switching contacts which, when connected are surrounded by an insulating material nozzle, coaxially with respect to which a shielding...
6396018 Power circuit switch  
There are provided an operating mechanism that drives the opening/closing of contacts, and a sliding conduction part that forms electrical connection of these contacts and the main circuit on...
6365863 High voltage circuit-breaker with a counter-contact which can be actuated  
In a high voltage circuit breaker having a contact system comprising a contact driven by a switch mechanism and a counter-contact opposite the contact and driven by an auxiliary gear, the parallel...
6316742 Limited restrike circuit interrupter used as a line capacitor and load switch  
An actuator mechanism that decreases the time needed to move the contacts of a circuit interrupter between a closed circuit position and an open circuit position to reduce the probability of the...
6271494 High voltage circuit breaker with two arcing contacts which can be actuated in an opposite direction  
A high-voltage circuit breaker is described having arcing contacts, which can be driven in opposite directions, as well as corner gears that are coupled, via a driving rod, with the driven...
6229109 Power circuit breaker with rack-pinion operating mechanism for movable contact  
A contact pin is operationally connected through racks and pinions to a movable mating contact arrangement in such a way that it executes a movement counter thereto. Through two spokes through...
6207919 Load break interrupter having shunt circuit break actuating mechanism  
A load break interrupter includes a case, an arc-suppressing tube mounted on and projecting outwardly from the case, a shunt circuit rod slidably supported in the tube with the rod and tube having...
6177643 High-voltage circuit-breaker having an axially displaceable field electrode  
In a high-voltage circuit-breaker having arcing contact pieces that are movable relatively to each other, and an axially movable insulating nozzle, provision is made for an axially displaceable...
6072142 Switch assembly for high voltage overhead lines  
A switch assembly for high voltage overhead lines. The assembly includes circuit breakers with associated operators and circuit disconnectors with associated operators. These are supported by a...
6020567 Operation apparatus of circuit breaker  
An operation apparatus of a circuit breaker provided with a mobile contact and a fixed contact, the mobile contact is pressed against the fixed contact or drawn apart from the fixed contact,...
6018134 Main circuit switching apparatus  
A main circuit portions are arranged in the order of a breaking section fixed-side conductor, a breaking section movable-side conductor, a disconnecting section movable-side conductor, and a...
5932858 Stored-energy mechanism for a high-voltage circuit-breaker pole filled with an insulating gas  
A stored-energy mechanism for a high-voltage circuit-breaker pole filled with an insulating gas with a drive rod, which transmits the drive movement to an interrupter unit by thrust or traction and...
5902979 Gas insulation type load break system  
An improved gas insulation type load break system, which is capable of more easily discharging remaining current of a cable to which the power supply is disconnected, and enabling an easier cable...
5898151 Circuit-breaker with a disconnector  
A circuit-breaker including main contacts and arcing contacts includes a shaft carrying a first lever connected to the moving main contact. A hub is mounted inside the shaft and carries a second...
5898149 Power circuit-breaker  
This power circuit-breaker has at least one cylindrically constructed arcing chamber which is provided with a stationary contact, with a moving contact and with a quenching zone between the two...
5889248 Operating mechanism for combined interrupter disconnect switch  
An apparatus for operating a combined interrupter disconnect switch is disclosed. The disconnect switch is operated by a slow speed linear motion of a mechanism pullrod. The interrupter, which is a...
5856642 Clutch coupled switch operator  
The present invention provides a clutch-coupled crossarm mounted switch operator. The switch operator of the invention includes rotational motor means, a non-positive contact or infinite engagement...
5841087 Isolating switch  
The isolating switch (1) contains an isolating switch housing (2) and at least two switching points (18, 19, 20) which are arranged in the isolating switch housing (2), are of axially symmetrical...
5814782 Rower circuit-breaker having a closing resistor  
The power circuit-breaker is provided with at least one arcing chamber which extends along a central axis and has at least one power interruption point with at least one contact which is moved by a...
5804787 Gas circuit breaker and liquid pressure-driving system to be used therefor  
For the purpose of providing a gas circuit breaker with a structure of hydraulic pressure operation system capable of detecting the occurrence of an incomplete closed state of the valves therein to...
5780799 Reduced autocompression circuit-breaker  
This present invention concerns a circuit-breaker of the self-blasting type including a system for immobilizing the semi-mobile piston during a first part of displacement of the mobile contact...
5696364 Combined interrupter disconnect switch blade for high voltage switch  
A high voltage open-air switch has a movable disconnect switch blade which contains a circuit interrupter therein having interrupter contacts in series with the open air disconnect switch contacts....
5668360 Circuit-breaker having two interrupting chambers per pole with drive mechanism and drive rods isolating insert capacitors  
A circuit-breaker having two interrupting chambers per pole, the chambers being disposed in a T or V configuration at the end of a column provided at its base with a control system for operating a...
5661280 Combination of a gas-filled interrupter and oil-filled transformer  
A gas-insulated switch for a distribution transformer and its associated electrical connections are located within a tank containing insulating and cooling oil for the transformer.
5604340 Gas insulated switchgear insertion resistor and main contacts operating mechanism having time delay feature  
A gas circuit breaker having a resistance circuit breaking portion connected in parallel with a main circuit breaking portion includes a main circuit breaking portion actuating mechanism and a...
5600112 Bushing assembly with circuit interrupters including polyphase operating mechanism  
A bushing assembly is provided that functions as a circuit interrupter for electrical equipment such as a power transformer or the like. The bushing assembly is mounted so as to extend through the...
5578806 Compressed gas-blast circuit breaker  
The compressed gas-blast circuit breaker includes two moving contact members (1, 2) which are guided to move counter to one another along an axis (3) in a chamber which is filled with insulating...
5561280 Compressed gas-blast circuit breaker  
A compressed gas-blast circuit breaker including a pump cylinder which is moved along with a movable first contact piece. The pump cylinder surrounds a pumping space and a blast chamber, the latter...
5534673 Electric high-voltage circuit breaker  
A high-voltage circuit breaker has a metallic housing. The contact member assembly is held by insulating supports, and has a fixed contact member and a movable contact member. The movable contact...
5510591 High tension circuit breaker capable of interrupting fault currents having a delayed zero crossing  
The invention relates to a high tension circuit breaker capable of interrupting alternating fault currents which have a pseudo period T. The faults occur at an instant t 0 and delay the zero...
5502290 Switch mechanism  
A switching mechanism for use e.g. in a circuit breaker of an underground electric substation has a movable rod which causes opening and closing of an electrical contact and a hydraulic operating...
5495084 Slip-through mounting structure for circuit interrupter  
The movable contact of a puffer interrupter contains a movable conductive tubular sleeve which is electrically connected to and is slidably mounted within a hollow conductive adapter which is...
5493090 Two-step operating mechanism for combined interrupter disconnect switch  
An operating mechanism for a combined interrupter and disconnect switch comprises an operating crank and an interrupter support housing which are separately rotatable about a common pivotal axis....
5478980 Compact low force dead tank circuit breaker interrupter  
A dead tank high voltage SF 6 circuit breaker has a stationary cylinder SF 6 puffer section, an arc generated SF 6 pressure blast section, a moving arcing contact plug, and a moving open...
5448030 Gas insulated circuit breaker  
A gas insulated circuit breaker includes a closed tank filled with an insulation gas, one pair of separable contacts disposed in the closed tank, a supporting frame supporting the closed tank, an...
5436414 Drive mechanism for circuit interrupters  
A drive mechanism for a circuit interrupter comprising a crank and lever pivotally interconnected by a resiliently yielding connecting rod assembly. The connecting rod assembly comprises a coil...
5424504 Resistor-provided UHV breaker having delaying/operating mechanism for making and breaking main contacts and resistor contacts  
A resistor-provided UHV breaker has a tank sealing an insulating gas therein, a main contact unit located in the tank, a resistor unit connected parallel to the main contact unit, a resistor...
5367134 Circuit breaker  
In a closing operation of a circuit breaker with resistor contact, a resister contact is closed prior to closing of a main contact by the same first hydraulic operation system. In opening...
Matches 1 - 50 out of 210 1 2 3 4 5 >