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Class 174/18 - With bushing, terminal or lead-in


Subclass of Class 174 - Electricity: conductors and insulators
Definition: Boxes and housings having bushing or terminal means specially
No. of patents: 72
Last issue date: 05/20/2008


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NumberTitleIssue Date
7375277Double flanged bushings and installation methods
A dual bushing installation kit includes a first metal bushing and a second metal bushing. The first metal bushing can include a first body having first and second ends. The first and second ends are connected by a first outer surface having a first outer circumfere...
05/20/2008
7330096Fault current limiter
A fault current limiter (FCL) comprises: an air core flat clock spiral inductor comprising wound electrically conductive material and insulated turns; and two terminations configured for attaching the spiral inductor in series with a power carrying conductor. ...
02/12/2008
7281949Electrical hermetic penetrant structure of average voltage
The invention concerns electrical hermetic penetrant structures, used for transfer of electrical energy through tight protections of nuclear stations, transport with nuclear reactors, tunnels of the underground, etc. Objective of the present invention is providing o...
10/16/2007
7227084Insulated power cable
An insulated power cable contains a multi-strand cable of a plurality of bundles of uninsulated wires, and electrical insulation sheathing the cable, the electrical insulation having a thickness of from 0.0625 to 0.5 inches (0.16 to 1.3 centimeters) and having a plu...
06/05/2007
7154053Optoelectronic package with wire-protection lid
An optoelectronic package with a wire-protection lid is provided. An active surface of a silicon die includes a light working area. The silicon die is disposed on a substrate and electrically connected to the substrate through a plurality of bonding wires. A glass i...
12/26/2006
7094967Electrical feedthru
A method and apparatus for electrically interfacing between two or more distinct environments. The method and apparatus are directed to an electrical feedthru with exterior traces traversing a core. The electrical feedthru may be very small, facilitating its use in ...
08/22/2006
7084349Insulated power cable
This invention relates to a transformer containing an insulated power cable including a multi-strand cable of a plurality of bundles of uninsulated wires, and electrical insulation sheathing the cable, the electrical insulation having a thickness of from 0.0625 to 0...
08/01/2006
7040909Dry mate connector
A dry mate connector has first and second connector modules, and a coupling member or slidable retention sleeve mounted on the first module. Resilient latch formations are provided for releasably securing the modules together in a mated position. The modules each ha...
05/09/2006
6951987High voltage bushing
A high voltage bushing includes an electrically conductive coupling having an aperture; first and second dielectric tubes mounted to the coupling so that they are coaxially aligned and have first and second ends, respectively, first and second end plates mounted in ...
10/04/2005
6914195Distribution transformer
An oil-filled pole-mounted distribution transformer comprises a tank housing a transformer core-coil assembly immersed in cooling oil. The tank is made of a corrosion-proof composite material and a radiator is provided for cooling the oil. The radiator is external t...
07/05/2005
6867364System for distribution of electric power
A subsea electrical power distribution system including a first chamber (20) housing a transformer, a second chamber (30) housing a power distribution system with busbars (32) for distribution of power to individual consumers connected to said b...
03/15/2005
6815608High-voltage electric apparatus
Sufficient dielectric strength needs to be ensured for the high voltage connection (13-11) of the high voltage electrical equipment such as a pattern generation system for focused ion beam processing and observation (1), without enlarging the eq...
11/09/2004
6683249Transformer assembly and transformer cover
A transformer includes an end, and electrical insulator bushings are attached to and extend away from the end of the transformer. Conductors extend from the electrical insulator bushings. A cover has openings and an attachment end affixed to the transform...
01/27/2004
6577487Reduction of harmonics in AC machines
Connection arrangements are employed for reducing the effect of third-hannonic voltages in case of direct connection of AC machines to a three-phase distribution or transmission network, wherein the stator winding of the AC machine is Y-connected and wher...
06/10/2003
6465729Surface trace electrical feedthru for conducting electricity across a pressure envelope
A method for producing an electrical feedthru wherein a thin liquid conductive film is deposited into a shallow trough of an insulating machinable substrate. The conductive film and substrate are fired and then the resulting bound composite is ground flus...
10/15/2002
6459567Gas-insulated switchgear
A gas-insulated switchgear comprising bushings mounted to and passing through a vessel wall of the hermetic vessel, each having an outer end connected to an insulated bus conductor at the outside of the hermetic vessel and an inner end connected to the el...
10/01/2002
6305975Electrical connector feedthrough to low pressure chamber
An electrical feedthrough connector to a low pressure (vacuum) chamber such as in a mass spectrometer comprises an epoxy body having at least two generally cylindrical portions with a step between the two generally cylindrical portions and with the portio...
10/23/2001
6291786High-voltage circuit breaker having an interrupter module
A high-voltage circuit breaker that has a grounded enclosure and an interrupter module arranged in the grounded enclosure. The interrupter module has short pipe connections and bushings mounted on them to accommodate connecting leads. The current converte...
09/18/2001
6158609Housing for device, particularly sensor for motor vehicle
A housing for a device mountable on a mounting surface has a housing element provided with two mounting flanges each having a passage adapted to extend substantially perpendicularly to the mounting surface and formed to receive a mounting bolt, two bushin...
12/12/2000
6140573Hollow core composite bushings
An improved hollow core composite bushing for use in, for example, a dead tank circuit breaker, is smaller and lighter and offers other advantages over previous designs. The hollow core bushing includes therein a fiber reinforced plastic (FRP) elongated t...
10/31/2000
6127641High-voltage switchgear
An attachment of high-voltage lead-in insulators (1, 1') on enclosure housings (1, 1') using elbow-shaped additional housings which have rotary joints to allow the insulators to rotate in order to maintain a connection distance....
10/03/2000
6031722Earth cooled distribution transformer system and method
An earth cooled distribution transformer system and a method of cooling same and distributing electrical power to a plurality of consumer loads (31) is described. A distribution transformer (10 is provided with the primary (16) and secondary (17) windings...
02/29/2000
5929373High voltage feed through
A high voltage feed through supplies power to a device through a passage in a wall of a vacuum chamber. The feed through includes a ceramic body comprising a first brazing surface, a second brazing surface, and a central passage for a conductor, a power s...
07/27/1999
5391835Explosion resistant, oil insulated, current transformer
A head type current transformer having an aluminum head housing mounted on top of and supported by a porcelain insulator. The head housing and insulator together define an enclosure housing therein an, insulated, electrical component immersed in a liquid ...
02/21/1995
5214240High voltage insulator testing system
A corrona test set has at least a reactor and power separation filter placed in an oil-filled conductive tank of a conductive material such as sheet steel. The exciter optionally may also be placed in the same tank enclosure which is of much smaller size ...
05/25/1993
5200578High voltage feedthrough bushing
A feedthrough bushing for a high voltage diode provides for using compression sealing for all sealing surfaces. A diode assembly includes a central conductor extending through the bushing and a grading ring assembly circumferentially surrounding and coaxi...
04/06/1993
5047744High voltage fluid filled transformer
A transformer of the type used to produce high voltage for an electrostatic field apparatus has a hermetically sealed container. The container encloses a coil assembly having primary and secondary coils wound on a common core. Electrical terminals extend ...
09/10/1991
4999458Electrical current lead-in device at a vacuum chamber
A cylinder is flanged onto the wall of a vacuum chamber in which a workpiece is to be coated and is to brought into contact with a current or power conductor for accomplishing same, and the current conductor in the form of a piston rod extends through thi...
03/12/1991
4980515Electrical apparatus with an in-tank electromagnetic shield
An electrical apparatus with an in-tank shield has a tank which houses an electrical device such as a transformer. A plurality of bushings extend into the tank. Inner shields having good electrical conductivity surround the inner portions of the bushings ...
12/25/1990
4965409Cable entry connection of an electric power cable to a submersible machine
A cable (1) entering a submersible machine, such as an electrically driven pump, a turbine etc., is surrounded by a collar (3) of a rigid material, and the collar (3) is secured to the machine shell (2) by bolts (4). Two sockets (5) and (6) of an elastic ...
10/23/1990
4840585Barrier wall connector
A connector is described which can be easily installed in a hole of a barrier wall, which assures tight sealing when there is a substantial pressure difference on opposite sides of the wall, and which avoids set of the sealing material. The connector incl...
06/20/1989
4841098High power radio frequency energy feedthrough for high vacuum vessel
A fluid cooled feedthrough, for conducting electrical energy at high power levels through a wall of a pressure or vacuum vessel includes a mounting flange for mounting the feedthrough to a mating flange formed at a wall of the vessel. The mounting flange ...
06/20/1989
4804330Hermetic, vacuum and pressure tight electrical feedthru
A vacuum tight electrical feedthru is disclosed for use where electrical leads must pass through the walls of a container in which a high vacuum must be maintained. It is useful in conjunction with infrared sensors, as well as for security, fire detection...
02/14/1989
4730231Gas insulated metal-clad high voltage equipment with insulating bushing
A gas insulated metal-clad electrical power equipment has a cylindrical insulating bushing for supporting an electrical conductor. The bushing is filled with the insulating gas therein and air-tightly fixed to a grounded metal compartment wall member of t...
03/08/1988
4712029Generator high temperature electrical lead assembly
A terminal assembly (10) for a gas-filled, oil-cooled generator (14). The generator housing (12) includes an annular opening (18) with an annular boss (20) projecting into the housing (12), and sprayed coolant oil around the housing boss (20). A terminal ...
12/08/1987
4698456Electrical device for use in an explosive environment
A pressurizable housing for an electrical apparatus which can be used in an explosive environment has a cable feedthrough connected to an electrical unit within the housing. The cable feedthrough also accommodates a passage for pressurizing the interior o...
10/06/1987
4689439Superconducting-coil apparatus
A superconducting-coil apparatus according to the present invention comprises a normal-fluid helium bath, a superfluid helium bath, a channel connecting the two baths, superconducting coils contained in the superfluid helium bath, current lead wires exten...
08/25/1987
4677255Insulating shroud and sleeve for the connection between a cable end and a terminal
An electrical termination comprises a cable lug 1 fitted to an end of an electric cable 3 and connected to a terminal 5 provided with an insulating bushing 6. An insulating shroud 13 comprising a rigid sleeve 14 and a removable closure element 15 fits ove...
06/30/1987
4631631Capacitor cover and terminal connection
An internally threaded insert having intersecting faces about its axis is positioned in a keyed aperture formed in a cover for a capacitor. This provides an antitwist characteristic between the insert and the walls of the aperture to facilitate a seal bet...
12/23/1986
4599487Cable gland
A gland which is installed in the hole of a wall between two different atmospheres to prevent the leakage of a fluid from the one side to the other side of the wall along the outer sheath of an electric cable has a tubular metallic housing which is sealin...
07/08/1986
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