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Match Document Document Title
8133602 Rechargeable battery  
A rechargeable battery includes an electrode assembly, a case, a cap assembly, and an arc interrupter. The electrode assembly includes an anode, a cathode, and a separator interposed between the...
7935907 Contact system for a short-circuiting device in a medium-voltage or high-voltage switchboard plant  
A contact system for a short-circuiting device for a switchboard, the contact system including at least one fixed contact piece connected to a main voltage source. The contact system also includes...
RE42319 Circuit protection device  
A voltage suppression device for suppressing voltage surges in an electrical circuit, comprised of a voltage sensitive element having a predetermined voltage rating, the voltage sensitive element...
7138597 Circuit breaker with arc gas propelled movable contact and opposed arc cutoff shutters  
The support for the moving contact of a circuit breaker has a piston that is driven by arc gases generated by initial separation of the contacts through magnetic repulsion to rapidly open the...
6414256 Current limiting circuit breaker  
The present invention provides a current limiting circuit breaker having a current responsive device for opening a pair of contacts or switch upon short circuit conditions. The current responsive...
6229426 Circuit breaker having selected ambient temperature sensitivity  
A circuit breaker (10) is shown having a movable electrical contact (36) adapted to move into and out of engagement with a stationary electrical contact (38, 40). A current carrying thermostatic...
6084193 Electrical circuit interruption device having improved arc extinguishing apparatus including an arc paddle  
A circuit interrupter in the form of a circuit breaker (10) is shown having a movable contact (14a) which moves between contacts engaged and contacts disengaged position relative to a stationary...
5126517 Arc suppressing current interrupter  
A current interrupter in which a first movable, insulating, gear carries a contact blade. The blade extends out from this movable gear and forms a contact which makes and breaks with a stationary...
5023415 Switch apparatus  
A switch apparatus for use in a distribution system, having a case, a pair of bushings arranged on the case so as to oppose each other, and a breaker arranged in the case such that breaking and...
4943691 Low-voltage limiting circuit breaker with leaktight extinguishing chamber  
A current limiter comprises an extinguishing chamber 16 of small volume, in which there are housed a pair of contacts 28, 30 and an insulating shield 40, capable of moving to an active position...
4935165 Method for preventing the poor conduction at electrical switch contacts which is caused by organopolysiloxane gas  
The poor electrical conduction at an electrical switch contact caused by organopolysiloxane gas can be prevented by providing that a nitrogenous base gas be simultaneously present with the...
4880948 Contactor device for circuit breaker  
A contactor device for a circuit breaker includes a stationary contactor having a stationary contact, and a stationary conductor secured with the stationary contact and constituting an electricity...
4849591 Protection cutting apparatus provided with an arc breaking screen  
Electromechanical protection cutting apparatus comprising a magnetic tripping device and an arc-breaking screen which may be interleaved between at least one fixed contact and one movable contact...
4801772 Current limiting circuit interrupter with insulating wedge  
A current limiting circuit interrupter with insulating wedge characterized by a circuit interrupter structure within an insulating housing and having a mechanism for opening and closing separable...
4788392 Tank type gas circuit breaker  
A tank type gas circuit breaker for a three-phase alternating current, comprises: three hollow members spaced in parallel with each other; a single stationary side end plate air-tightly fixed to...
4752660 Current limiting circuit breaker with an arc shearing plate  
A circuit breaker includes an arc shearing plate which is driven to thrust between a pair of contacts being separated so as to shear an arc formed therebetween for rapid arc extinction. Included in...
4751483 Electric switch for protection appliances such as a cut out  
An electric switch protective apparatus is provided having a mobile contact which may be separated from a pseudo-fixed contact to which it is applied, either through the movement of coupling means...
4727230 Safety switch for inductively driven electromagnetic projectile launchers  
A safety switch for use in an inductively driven electromagnetic launcher system includes three tubular conductors each having a substantially cylindrical internal surface, wherein these internal...
4716266 Electrical arc quenching chamber, in particular for fluid-quenched circuit breakers  
The present invention relates to an electrical arc interruption chamber, in particular for fluid-quenched circuit breakers, in which, inside a tightly sealed insulating encasing, containing an...
4700030 Switch device having an insulating screen inserted between the contacts during breaking  
An electric switch in which a screen is inserted very quickly between two contacts at the moment when they part. The energy of the arc generated between the contacts inside a volume surrounded by...
4692577 Switch for a high-voltage interrupting module  
An energy-absorbing element is provided between an insulative piston and a movable contact of a switch for a high-voltage device. In arrangements where a fusible element is in electrical shunt with...
4691085 High voltage interrupting switch with improved contact connection arrangement and method  
An improved high-voltage interrupting switch or interrupter and method of assembly and operation thereof is provided. The switch is of the type including a pair of contacts which are normally...
4647741 Switching device with antiarcing screen  
The disclosure relates to a switching device which comprises a casing provided with an input terminal, an output terminal and, therebetween, an electric circuit including at least two separable...
4635022 Fuse cut-out cartridge  
A fuse cartridge for example of the cylindrical type comprising an insulating cylindrical body ending in two conducting end pieces and a fuse element connected electrically to the end pieces,...
RE32321 Electric switch and improved device using same  
A high speed switch usable at high voltage includes a pair of contacts movable apart along a fixed line. When the contacts are normally interconnected, at least one of them contributes to the...
4631508 Electro-mechanical devices incorporating fuse cartridges  
An electro-mechanical circuit breaker device incorporating a fuse cartridge, wherein two contact bars are normally connected by a series of mobile contacts held against their lower edge by springs,...
4596911 Combined device for on-load breaking and visible isolation of an electric circuit  
A combined isolating switch-circuit breaker comprising at least one fixed contact breaking element, one fixed isolating contact element and at least one mobile assembly comprising a mobile contact...
4594489 Electrical switching element  
The load-isolating switch comprises two coaxial electrodes 1 and 2, which are mechanically connected by an interposed insulator 3. A cam 4 is provided on the insulator 3 and is spanned by at least...
4572933 Pressure-operated switch for a high-voltage interrupting module  
An improved switch for a high-voltage device in which ignition of a power cartridge moves an insulative piston located in a conductive member away therefrom and into a passageway in an insulative...
4553008 Load interrupter  
An load interrupter is disclosed having the characteristics of an ordinary puffer interrupter and a self-extinguishing gas flow interrupter. The load interrupter comprises a generally hollow...
4536630 Limiting switch  
A current limiting switch is provided comprising two mobile levers subjected to the action of springs which apply, one against the other, separable contact pieces placed at the respective ends...
4534263 Electromagnetic launcher with high repetition rate switch  
An electromagnetic projectile launcher is provided with a cartridge-type switch for commutating current from a high current source to a pair of generally parallel conductive rails. A conductive...
4510360 Circuit breaker with arc shield  
A circuit breaker with an arc shield characterized by a movable contact assembly which is rotatable between open and closed positions with respect to stationary contacts, and a cylindrical arc...
4467298 Automatic short-circuit current limiting device  
A device is provided comprising a simple means for holding the contacts apart and insulated from each other after circuit breaking.A screen formed by an insulating plate of small thickness, is...
4458225 Circuit breaker with independent magnetic and thermal responsive contact separation means  
A molded case circuit breaker having a movable contact arm (12) pivotally supported on a operating handle (4) and driven into and out of engagement with a stationary contact (6) by an overcenter...
4443675 Multiple contact arrangement  
A multiple contact arrangement for electromagnetic switchgear is disclosed. The contact arrangement comprises a movably guided contact bridge carrier which holds spring-loaded contact bridges in...
4426562 Rotary switch for switching very large DC currents  
The cylindrical rotor of a switch for switching very large DC currents has a conducting element extending arcuately over a portion of its cylindrical surface and axially therealong. Two stationary...
4342978 Explosively-actuated switch and current limiting, high voltage fuse using same  
A high speed high voltage electrical switch opens a current path in which the switch is included. The switch includes first and second normally electrically interconnected contacts which normally...
4329554 Loadbreak arc snuffing device  
An arc snuffing device for use on high voltage circuits during loadbreaking operations, the device including an arc quenching tube biased for movement over an electrical contact and an arc...
4104238 Silica-alumina trihydrate filled epoxy castings resistant to arced SF6  
A cured, insulating, casting composition, having a coefficient of linear thermal expansion of below about 38 × 10-6 in./in./° C and being resistant to arced sulfur hexafluoride gas, in contact w...
3929660 Arc-extinguishing materials  
Arc-extinguishing materials are selected in accordance with criteria such as first ionization potential of each of the constituents, carbon content, boiling, sublimation, or decomposition...
3842228 CIRCUIT BREAKER ASSEMBLY WITH INTERPOSED WEDGE NON-CONDUCTOR AND COMPLEMENTARY HOUSING ARC-PREVENTION STRUCTURE  
A compact non-arcing switch which includes a housing which is constructed dielectric material. A pair of electrical contacts are mounted within the housing for movement between open and closed...
3732517 PROTECTIVE FUSE  
A load break protective fuse assembly having arc snuffing means. The arc snuffing means seals the lower contact structure of the fuse assembly, when the fuse member is withdrawn, to prevent the...
3715543 ROTARY ELECTRICAL SWITCHING CONTACT ASSEMBLY WITH HOLLOW INSULATING ARC BARRIER  
An electrical switching contact assembly having a housing with stationary contacts mounted thereon, and a rotating shaft with movable contacts attached thereto. The rotating shaft is mounted within...
3671697 SWITCH CONSTRUCTION WITH LOAD BREAK DEVICE HAVING A MOVABLE SLAT, A GAS EXPANSION CHAMBER AND A GAS MUFFLER  
Switch construction for power distribution alternating current circuits having a switch blade for pivotal movement into and out of contacts enclosed by an insulating housing having a slot through...
3586802 LOAD BREAK DEVICE WITH ARC-EXTINGUISHING MATERIAL  
High voltage arc-interrupting load break device with gas-actuated apparatus for closing the contacts of the device incorporates gas-evolving arc-extinguishing material comprising cycloaliphatic...
3576967 SWITCH CONSTRUCTION WITH LOAD BREAK DEVICE HAVING ONE OR MORE MOVABLE SLATS WITH HEAT SPACERS  
A rotatable switch blade engages and disengages stationary contact assembly through a slot in a generally sector-shaped insulating housing enclosing the contact assembly and formed by either a pair...
3549840 SWITCH CONSTRUCTION WITH LOAD BREAK DEVICE  
3482070 VACUUM D.C. BREAKER WITH RELATIVE CONTACT MOVEMENT INTERPOSING A NON-CONDUCTOR TO EXTINGUISH ARC  
3451019 ARC PREVENTING MEANS FOR A SWITCHING RELAY  
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