Matches 1 - 22 out of 22


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8169145 Spark-discharge gap for power system protection device  
A spark gap includes two terminal electrodes enveloping a cavity. The cavity includes an electrical discharge space between the two terminal electrodes. The spark gap also includes an electrical...
6566813 Overvoltage protection device with concentric arcing horns  
An overvoltage protection device (1) with a first electrode (2) which has a first arcing horn (3), with a second electrode (4) which has a second arcing horn (5), with an air-breakdown spark gap...
5620616 Plasma torch electrode  
A plasma torch electrode (132) comprises multiple platelets (159) oriented transverse to the electrode axis and joined together to form an electrical connection therebetween. A first group of the...
5451739 Electrode for plasma arc torch having channels to extend service life  
An electrode and method of operating a plasma arc torch is provided which extends the useful service life of the torch. The electrode includes an elongate tubular holder defining a longitudinal...
4990831 Spark gap switch system with condensable dielectric gas  
A spark gap switch system is disclosed which is capable of operating at a high pulse rate comprising an insulated switch housing having a purging gas entrance port and a gas exit port, a pair of...
4980609 Spark gap purge system  
A spark channel purge system for high pulse repetition frequency spark gap switches. A purge fluid having a liquid state and a gaseous state is caused to flow through a spark gap channel, at least...
4970433 Apparatus and method for tuned unsteady flow purging of high pulse rate spark gaps  
A spark gap switch apparatus is disclosed which is capable of operating at a high pulse rate which comprises an insulated housing; a pair of spaced apart electrodes each having one end thereof...
4877997 High brightness and viewed gas discharge lamp  
An end-viewed low-pressure gas discharge lamp and an envelope for said lamp having a capillary tube discharge bore for containing an excitable gas in which the capillary tube is in direct contact...
4866351 Annular light source unit using electrodeless discharge and a method of lighting the same  
Disclosed are an annular light source unit using electrodeless discharge and a method of lighting the same. The unit comprises an annular electrodeless discharge tube, a bowl-shaped microwave...
4755719 Spark gap switch with jet pump driven gas flow  
A spark gap switch is disclosed with a pumping system which utilizes flowing gas to replenish the interelectrode region between conductive pulses. The spark gap switch typically consists of a...
4484247 Nonfragmenting station arrester  
A lightning arrester of the station class is equipped with a ceramic housing protective heat shield liner formed of an ablative material capable of giving off a gas when subjected to a fault...
3283196 Expulsion lightning arrester  
3257575 Lightning arrester  
3254181 Mounting having short circuit means for communication line protector  
3226593 Excess-voltage protective device  
3209194 Lightning arrester  
3141108 Lightning arrester with an arcextinguishing gas  
3040203 Expulsion lightning arrester  
2987642 Secondary lightning arrester  
2947903 Current interrupting devices  
2883574 Lightning arrester  
2871390 Lightning arrester  
Matches 1 - 22 out of 22