Matches 1 - 50 out of 64 1 2 >
Match Document Document Title
7397012 High current switch and method of operation  
An electrical switch which includes an insulative housing having a wall defining an axial bore therein, a first electrical contact disposed in the housing bore and a second electrical contact...
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 ),...
7148441 Solid dielectric encapsulated interrupter with reduced corona levels and improved BIL  
A current interrupter assembly includes an insulating structure, a current interrupter embedded in the structure, a conductor element embedded in the structure, a current interchange embedded in...
6951993 Vacuum switch  
A vacuum switch comprises a vacuum container, a grounding switch and a load switch disposed in the container, and an external connection conductor disposed in the vacuum container and to be...
6747234 High voltage interrupter  
A circuit interrupter including a housing having an internal cavity. The internal cavity includes a space at a first end thereof, and includes an internal wall extending from the space to a second...
6649856 Glazed ceramic article, metal and ceramic assembly having glazed ceramic article and vacuum switch having metal and ceramic assembly  
A glazed ceramic article is provided which comprises a glaze layer formed on an outer surface of a ceramic main body. The glaze layer is made of a glaze comprising 60 to 74% by weight of Si when...
6444938 Switchgear with switching devices arranged in housings  
The invention relates to switchgear assemblies having switching devices arranged in housings whose contact bolts can be deflected in a straight line and can be controlled by a magnetic drive device...
6407908 Gas-insulated circuit breaker and gas-insulated switch-gear having the same  
In order to provide a good gas-insulated circuit breaker which is compact and easy in assembling and preparation, a gas-insulated circuit breaker 100 is constructed with a grounded enclosure 104...
6373015 Integral load connector module  
A load connector module for connecting a multi-phase load to a circuit interrupter which includes all the multi-phase connectors, a current transformer for each respective phase, and a voltage...
6326872 Power circuit breaker with air gap between molded insulative casing and grounded barrier insulating operating mechanism  
A compact power circuit breaker has a molded insulative casing providing the structural support and electrical isolation for the pole mechanisms mounted in cavities in the casing and the operating...
6310310 Encapsulated vacuum interrupter module removably mounted in a housing  
A high voltage electric switch includes an insulated housing with an opening therethrough and an interior surface. The housing has an upper open end and a lower open end. A conductive upper...
6172317 Foam encapsulated vacuum interrupter module removably mounted in a housing  
A high voltage electric switch includes an insulated housing with an opening therethrough and an interior surface. The housing has an upper open end and a lower open end. A conductive upper...
6130394 Hermetically sealed vacuum load interrupter switch with flashover features  
A load interrupter switch for voltages in the kV range and having a vacuum interrupter chamber which is embraced without any air gaps by a sleeve formed from elastomeric material of high dielectric...
6046422 Vacuum interrupter with a vapor shield associated with the insulator  
A vacuum interrupter is provided. The vacuum interrupter includes a housing part that surrounds contact members and a vapor shield associated with the insulator, the housing part and the vapor...
5929411 Vapor shield for vacuum interrupters  
A vacuum interrupter (VI) is provided having two arcing contacts, at least one of which is axially moveable, and a metal-vapor condensing shield which is shaped to allow the VI to withstand a high...
5920052 Multi-circuit switch gear  
A multi-circuit switch gear includes a main body filled with an insulation gas, main bushings mounted on a front portion of the main body, a plurality of three-phase input/output units connected to...
5917167 Encapsulated vacuum interrupter and method of making same  
An interrupter includes a vacuum assembly, switching contacts enclosed within the vacuum assembly, a layer of compliant material around the vacuum assembly, and a layer of rigid encapsulation...
5864108 Vacuum switch assembly including housing insulating support  
A power switch module designed to be mounted in gas-filled containers of gas-insulated switchgear is provided, wherein each vacuum switch tube of the power switch has a corresponding rectilinearly...
5847347 Vacuum interrupter  
To allow soldering of all parts of the housing including the tubular shield of a vacuum interrupter in a single operation, the metal cap (9) made of silver-plated copper enclosing the two contacts...
5808258 Encapsulated high voltage vacuum switches  
An encapsulated high voltage switch has an elastomeric housing made of a first high dielectric strength resilient material such as EPDM. A generally tubular reinforcing element is formed or press...
5585611 Interrupter assembly  
An interrupter assembly comprises an interrupter switch and at least one condition sensing device embedded within a body of solid dielectric material. Preferably, the solid dielectric material is a...
5521348 Multi-pole vacuum switch with an insulation assembly surrounding each vacuum interrupter  
A multi-pole vacuum switch has an insulation assembly for each pole, which is composed of shell-like insulating elements. In addition to a space provided for receiving the vacuum interrupter,...
5512724 Vacuum switch with a drive device and pole operating unit  
A vacuum switch including at least one vacuum switching tube and a pole operating unit which receives the vacuum switching tube at one of its ends. Each pole operating unit contains a lever...
5510592 Vacuum switch  
A vacuum switching chamber includes a switching chamber housing having two housing parts. The two housing parts are constructed in the shape of pots or bells and each have a base which encloses an...
4983793 Switch chamber for a vacuum switch  
A switch chamber for a vacuum switch including a housing having at least one insulating tube with an end face and an axial axis. A contact pin having an exterior surface is arranged for supporting...
4795866 Vacuum tube switch which uses low temperature solder  
A vacuum switch tube wherein at least one part which separates the interior of the tube from the environment is soldered to the housing of a vacuum switch tube so as to be vacuum-tight with a soft...
4630361 Process for preparing a vacuum switch tube  
A pre-assembled vacuum switch tube having a clearance between a stationary electrode rod and end plate is firstly prepared by forming an enlarged diameter part in the stationary electrode rod at a...
4557529 Vacuum interrupter guide bushing retainer means  
A retainer member formed from wire or sheet metal secures the movable contact rod guide bushing to the end plate closure of a vacuum interrupter.
4528432 Vacuum interrupter  
A vacuum interrupter, an envelope of which includes a pair of electrical lead rods of copper or copper-based alloy, one lead rod being brazed vacuum-tight to one end plate via a first tubular...
4450327 Vacuum interrupter  
An evacuated envelope includes a cylindrical housing made of a metallic material, disc-shaped upper and lower end plates made of ceramic and stationary and movable contact rods. The envelope of the...
4445016 Vacuum switching tube with metal cap  
Disclosed is a vacuum switching tube comprising a hollow insulator and a cap closing off the insulator adjacent to its circumference at one end thereof. The cap is connected to the insulator by a...
4433203 Electrical insulator with water-repellent oil-bleeding insulation bands  
An electrical insulator for use in dirty or wet environments. The insulator has a substantially cylindrical outer peripheral surface upon which is disposed a plurality of water-repellent...
4410777 Vacuum circuit interrupter  
A vacuum interrupter has a bell-shaped metal casing made of copper or stainless steel with a copper, ring-shaped stress reduction member sandwiched between an open end of the casing and the outer...
4393286 Vacuum circuit breakers  
A vacuum circuit breaker having a vacuum bulb comprises a coating of a greasy compound of a water repellent material provided on the outer surface of the bulb, and an insulating tube of a water...
4386253 Switch  
There is described a low voltage switch for currents up to several 1000 amps, as may occur in galvanic plants. The switch comprises contact elements being carried opposite to each other by...
4267415 Current limiter vacuum envelope  
An improved envelope for a vacuum-type current interrupter of the type having a pair of relatively movable electrodes. The envelope includes end portions which support the electrodes and an...
4260863 Vented plastic enclosure for arcing devices  
The cover of a housing has one or more projections which extend into a slot or respective slots in the main body of the housing. Each projection is spaced from the walls defining the slot so as to...
4256938 Electrical control device for high and low voltage installations  
An electrical control device for high and low voltage installations with at least one switch including a stationary contact fastened to a connecting part of an insulated feed or supply line and...
4242549 Electrical gas-blast circuit breaker and method of manufacture  
An electrical gas blast circuit breaker is disclosed including first and second compartments for a pressurized quenching gas. The first and second compartments are connectible with the connection...
4234771 Vacuum switch  
In a vacuum vessel having a vacuum vessel defined by an insulating cylinder and end plates, relatively movable first and second contacts and a bellows, there are provided a first metal plate having...
4234770 Sectionalized porcelain insulator having removable circuit breaker  
A porcelain insulator type circuit breaker comprises a lower porcelain tube secured to a supporting frame, an upper porcelain tube mounted on the lower porcelain tube, an interrupting unit...
4158911 Method of manufacturing a vacuum-type circuit interrupter  
The following method is used for manufacturing a vacuum-type circuit interrupter that comprises: (i) an envelope comprising a glass casing and an annular metal disc imbedded in the glass and (ii) a...
4088859 Normal open low voltage vacuum shorting switch  
A low voltage cell shorting vacuum switch is biased in the normally open position as well as being protected from the cell corrosive atmosphere by an electrically insulating, resilient elastomeric...
4075448 Cell bypass switches for electrochemical cell systems  
An electrochemical cell circuit has vacuum interrupter cell by-pass switches provided in order to prevent the impurities in the environment, caused by leakage from the electrochemical cells, from...
4063991 Method of increasing voltage withstanding capability of vacuum interrupters  
Loose glass particles in a vacuum interrupter, and glass attached to the interrupter midband, are removed with an etch of hydrofluoric acid applied over the entire interior of the glass envelope...
4037187 Metal clad insulating circuit breaker  
A casing is divided and disassembled into the desired numbers of solid state insulating material units each of which is aligned with the others, with tapered end portion of the solid state...
4021633 Persistent current switch including electrodes forming parallel conductive and superconductive paths  
A persistent current switch adapted to connect the ends of a superconducting coil together and to disconnect the ends thereof includes a vacuum casing and at least a pair of electrodes disposed in...
3956721 Fault interrupter  
A high voltage fault interrupter including a vacuum interrupter having a fixed contact and a movable contact, a trip mechanism module connected to said movable contact, said trip mechanism module...
3889084 Contact for high voltage gas blast circuit breaker with time-delayed opening  
A pair of contacts for use in a high voltage gas blast circuit interrupter each consists of tubular members having one solid end, with the opposite end of the contacts being segmented to define...
3857005 VACUUM SWITCH ASSEMBLY  
A hollow housing member for a vacuum switch comprising a ceramic cylindrical body open at its ends and having metal end plates provided at each end thereof so as to vacuum-seal the interior of the...
Matches 1 - 50 out of 64 1 2 >