|
Match
|
Document |
Document Title |
|
|
7746624 |
Current transformer disconnect switch
A current transformer cabinet is disclosed having an electrical meter coupled to current transformers. One or more disconnect switches arranged between the source conductors and the load...
|
|
|
7262362 |
High voltage device with a particle trap
The high-voltage switching device used in one installation position and has metallic encapsulation (10) a switching gap (4) and a particle trap (1) for holding foreign body particles (2), and is...
|
|
|
6965088 |
Interrupting apparatus having operations counter and methods of forming and using same
A portable circuit interrupting apparatus for use on a circuit isolating device and associated methods of formation and use are provided. The portable circuit interrupting apparatus includes a main...
|
|
|
6603087 |
Switch-disconnector control unit
A switch-disconnector control unit comprising an electromagnet as an actuator including a moving control arm, and a spring actuator including a control shaft. The control arm is controlled by an...
|
|
|
6541717 |
Locking assembly for a switch assembly
A hookstick operated switch assembly includes a switch mounted to a support and movable between open and closed positions. An operating lever is connected to the switch for opening and closing the...
|
|
|
6529009 |
Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof
A vacuum switch is composed by installing a vacuum circuit-breaker and a disconnector in different grounded vacuum vessels, respectively, and a vacuum-measurement device is attached to each...
|
|
|
6180902 |
Fault interrupter and operating mechanism therefor
A fault interrupter is provided that includes a high-speed disconnect in series with an interrupter wherein the circuit opening is via the interrupter and the circuit making is via the disconnect....
|
|
|
6130391 |
Method of manually operating an actuating device
An actuating device operated by a hookstick is attached to an existing ring on a manually operated fused cutout switch or oil circuit recloser switch. The device comprises a cantilever and a clamp...
|
|
|
6093901 |
Manually operated actuating device
An actuating device operated by a hookstick is attached to a manually operated oil circuit recloser switch. The device comprises a cantilever and an affixed switch lever. The cantilever includes a...
|
|
|
5861595 |
Circuit interrupting apparatus and method for high current power lines
A portable circuit interrupting apparatus for use in association with a circuit isolating device such as a fuse cutout, disconnecting switch, or power fuse. The apparatus comprises a tubular...
|
|
|
5834725 |
Circuit interrupter arrangement
A vacuum recloser in which an isolator switch is incorporated in series with the vacuum interrupter and is driven by the same actuator. The isolator must only be operated when the vacuum switch is...
|
|
|
5717182 |
High amperage disconnect switch
A pair of fixed contacts is associated with a pair of movable contacts. All of the contacts have circular contact faces. A U-shaped stainless steel arc shield is provided adjacent each set of...
|
|
|
5525769 |
Inverter cut-out switch
An inverter contact switch has a first pair of spaced fixed contacts connected to respective terminals of an inverter circuit for selectively disconnecting and connecting the inverter to a DC power...
|
|
|
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....
|
|
|
4958052 |
ARC severing and displacement method and apparatus for fault current interruption
Current interrupters for high voltage networks are disclosed which sever the post-zero arc plasma, connecting a pair of arc terminating electrodes, near an upstream wall electrode and displace the...
|
|
|
4937406 |
Insulator-type gas circuit interrupter
An insulator-type gas circuit interrupter which comprises a movable contact and a stationary contact for closing and separating a main circuit and an insulator tube in which an arc-extinguishing...
|
|
|
4521654 |
High voltage disconnect switch employing pre-contact pieces
A high voltage disconnect switch, including a countercontact piece having switch countercontacts and being arranged for connection to a source of high voltage. Resilient pre-contact pieces are...
|
|
|
4514606 |
Disconnect switch assembly
A disconnect switch is disclosed having a puffer interrupter electrically connected with and operated by a knife switch or fused disconnect switch. A puffer interrupter includes a divided pressure...
|
|
|
4500762 |
Resistor-type disconnecting switch for circuit breaker
A disconnecting switch including a hollow cylindrical shield of an electrically conducting material including a circular opening, a spring loaded arcing contact member, a main stationary contact...
|
|
|
4445014 |
High-voltage disconnect switch
A disconnect switch for high-voltage installations is disclosed. The switch includes a pair of hollow contacts, one of which is movable, disposed in a grounded metallic housing filled with...
|
|
|
4414449 |
Quick open and close disconnect switch
A quick open and close disconnect switch suitable for use in EHV and UHV systems is disclosed. In addition to a conventional main moving contact and a conventional mechanism for operating it, a...
|
|
|
4296288 |
Gas insulated disconnecting switches
In a gas insulated disconnecting switch, a movable contact assembly comprises a stationary cylinder, a coaxial cylindrical movable conductive contact, and a coaxial rod-shaped movable arc...
|
|
|
4283610 |
Operator for a circuit interrupter and disconnect switch combination
A manual operator for a series-connected circuit interrupter and disconnect combination mounted within a switch gearing closure, which includes an external operating handle affixed to a common...
|
|
|
4251700 |
Disconnect switch
A disconnect switch includes a crossbar assembly having an arm at each of its ends which rotatably fastens the assembly to a frame for swinging motion around a pivot axis. Three movable contact...
|
|
|
4126773 |
Polyphase disconnecting switch arrangement
Disclosed is a family of polyphase outdoor interrupter switch arrangements suitable for service in power systems rated up to 34.5 kv with but a single interrupting switch unit per phase. Two...
|
|
|
4110579 |
Improved energy-storage operating mechanisms for circuit-interrupting structures utilizing serially-related disconnecting switch structures therewith
An improved operating mechanism of the energy-storage type is provided for circuit-interrupting structures, including an energy-storing means having the energy content therein increased by the...
|
|
|
4031346 |
Electrical interrupter switch
An electrical disconnect switch and circuit interrupter has an interrupter with an elongate tubular housing assembly that mounts on a fixed contact structure of the switch and has an internal fixed...
|
|
|
4013852 |
Expulsion interruption device for high voltage switches
A completely self-enclosed, weatherproof expulsion interruption device is disclosed which includes a detachable, arc-suppressing tube assembly which can be readily replaced in the field as needed,...
|
|
|
3769478 |
ISOLATING CIRCUIT BREAKER AND OPERATING MECHANISM THEREFOR
A rotary disconnect switch includes separate main contacts and vacuum contacts mounted within the disconnect switch. A remote mechanical operator connected to a power device serves to close and...
|
|
|
3746819 |
CONTACT ASSEMBLY FOR SWITCHES
In a high voltage disconnect electric switch, a rotatable switchblade is provided with a contact portion at one end having an edge which is adapted to remain coincident with the axis of rotation of...
|
|
|
3701866 |
DISCONNECTING SWITCH FOR FORCE-COOLED ISOLATED PHASE BUS
A disconnecting switch for a force-cooled isolated phase bus comprises means for interrupting magnetizing currents when the switch is opened. The interrupting means comprises a vacuum-type circuit...
|
|
|
3697712 |
HIGH VOLTAGE SWITCH WITH PREINSERTION RESISTOR CONNECTED IN THE CIRCUIT THROUGH GRAPHITE CORONA BALLS
Conducting arms connected in parallel with the switch blades of a center break disconnecting switch through pre-insertion resistors have graphite corona balls at their distal ends to provide arcing...
|
|
|
3602668 |
INTERRUPTER SWITCH USABLE AS A SECTIONALIZER IN HIGH VOLTAGE SYSTEMS
A high voltage switch has a set of main contacts and two auxiliary interrupter devices. One of the interrupters is used for interrupting loop currents, while the other is used for interrupting...
|
|
|
3586804 |
DISCONNECT SWITCH
A load-disconnect switch comprises an elongated switch-pin structure which is linearly movable longitudinally between closing and opening positions. In the closing position the switch-pin structure...
|
|
|
2572625 |
Arc extinguishing attachment for air-break switches
|
|
|
3308259 |
Expulsion-type interrupter for high voltage disconnect switch
|
|
|
3283214 |
Separable type electric disconnect
|
|
|
3274364 |
By-pass switch for operation without interrupting service
|
|
|
3268696 |
Circuit interrupter having vacuum type interrupter in insulating gas filled housing
|
|
|
3235694 |
High voltage double break air switch with damping resistors
|
|
|
3226499 |
Load break switch gear
|
|
|
3218419 |
Arc chute and shielding hood mounted on blade of high-voltage switch
|
|
|
3206581 |
Switch construction for high voltage a.c. power circuits having arcing horns arranged for closing against high fault currents
|
|
|
3205330 |
Electrical circuit interrupter switch
|
|
|
3202783 |
Switch with pole plates having a separation of non-magnetizable material
|
|
|
3194928 |
Center break high voltage switch with circuit interrupters
|
|
|
3178543 |
Load break interrupter switch with delayed action auxiliary closing device
|
|
|
3148260 |
Disconnecting switch having surge suppressing impedance
|
|
|
3147357 |
Circuit breaker capable of serving as a disconnect switch
|
|
|
3145283 |
Load break device having interrupting quick break blades of substantially same length
|