Class 174/133B - Bus bars

Subclass of Class 174 - Electricity: conductors and insulators
No. of patents: 35
Last issue date: 11/13/2007

Number	Title	Issue Date
7295448	Interleaved power converter A power converter architecture interleaves full bridge converters to alleviate thermal management problems in high current applications, and may, for example, double the output power capability while reducing parts count and costs. For example, one phase of a three ...	11/13/2007
7289329	Integration of planar transformer and/or planar inductor with power switches in power converter A power converter integrates at least one planar transformer comprising a multi-layer transformer substrate and/or at least one planar inductor comprising a multi-layer inductor substrate with a number of power semiconductor switches physically and thermally coupled...	10/30/2007
7269036	Method and apparatus for adjusting wakeup time in electrical power converter systems and transformer isolation An electrical power converter system adjusts a wakeup voltage periodically, to permit earlier connection and/or operation, to increase performance. The electrical power converter system selects between a mathematically adjusted wakeup voltage based on at least one p...	09/11/2007
7256566	Method and apparatus for determining a maximum power point of photovoltaic cells The maximum power point (MPP) of a photovoltaic array that can be coupled to power inverter is determined. A capacitor on a DC-bus side of the inverter is used as a load from which I-V characteristics of the photovoltaic array can be generated. The photovoltaic arra...	08/14/2007
7180763	Power converter A power converter comprising a DC/AC bridge circuit electrically coupled between positive and negative DC bus terminals and a set of phase terminals, a DC/DC bridge circuit electrically coupled to the positive and negative DC bus terminals and a set of DC bridge ter...	02/20/2007
7158395	Method and apparatus for tracking maximum power point for inverters, for example, in photovoltaic applications A power system employs an outer voltage feedback loop and an inner current feedback loop to control a power converter, such as a DC to AC inverter for transferring electrical power between a power source, for example a photovoltaic array, and a load, for example a p...	01/02/2007
7102256	Distribution line structure for electric power supply A distribution line structure for electric power supply is provided with a pair of first conductors and a second conductor. Each of the first conductors is provided with a first main portion formed in a flat strip shape and first connection portions, and the second ...	09/05/2006
6921862	Connector for conductor bars A connector for conductor bars, which are in-line or extend at a right angle with regard to one another and which rotate 90° around their longitudinal axes. The connector is comprised of a first contact piece and of a second contact piece of which the first contact...	07/26/2005
6906404	Power module with voltage overshoot limiting A power module employs at least one capacitor electrically coupled across the input terminals to reduce voltage overshoot. The capacitor may be surface mounted to a high side collector plating area and a low side emitter plating area. The power module may employ a l...	06/14/2005
6677532	Isolated phase bus duct joint assembly An isolated phase bus duct joint assembly couples together first and second phase bus duct sections where each section has an interior bus conductor surrounded by an outer housing. The joint assembly couples end portions of the interior bus conductor and ...	01/13/2004
6574094	Method and apparatus for cooling bus bars A method for cooling bus bars 12,14 in order to increase their current-carrying capacity while saving space and weight. The method comprises the steps of providing a housing having an interior wall; locating a distribution manifold 20 within the housing, ...	06/03/2003
6294739	Electricity distribution bar A profiled aluminum bar for electricity distribution includes a metal component 20 that is assembled with an aluminum profile 10 through respective aligned lobes of complementary shape, to form a joint of, for example, a winding shape, and providing the a...	09/25/2001
6201722	Inter-bay bipolar DC bus link The dead space at the top or bottom of a power converter bay or cabinet is used for the interconnection of the DC buses of adjacent bays by securing to the DC buses a pair of brackets which between them form a channel into which a linking bus having two c...	03/13/2001
5854445	Thermally efficient power busway system with integral clamping mechanism An electric power busway system comprises a bus bar support housing with the opposite side plates of the housing shaped with troughs to hold the bus bars in their relative positions, preventing the bus bars from moving towards or away from one another and...	12/29/1998
5619014	Busway busbar with plug-in tab An electric busbar for use with an electrical power distribution busway system which includes a press formed plug-in tab configured for attachment to a connector at a power tap-off section of the busway is described. The busbar has a substantially rectang...	04/08/1997
5525758	Bus bar of branch joint box A bus bar of a branch joint box, which is formed by punching a metal sheet into a preset pattern of a circuit and is formed, at a predetermined location of the circuit, with a tab to be plated with metal having excellent electrical conductivity such that ...	06/11/1996
5521811	High efficiency AC to DC power conversion system The present invention locates the primary winding of a transformer in a configuration where it substantially surrounds the secondary winding of the transformer in order to enhance the efficiency of the electromagnetic coupling. High magnetic permeability ...	05/28/1996
5486652	Flexible jumper and method of making A flexible laminated jumper is formed from a stack of half hard tempered copper sheets. Contact plates are clamped to opposite sides of one end of the stack, such plates being provided with short stress relief sections away from the end of the stack. The ...	01/23/1996
5466889	Electrical power busway and insulator assembly A busway and insulator assembly for use with the busway are described. The insulator assembly provides access to the conductive busbars through the busway housing and is configured for use with plug-in tabs which extend from the outer edges of the busbars...	11/14/1995
5422440	Low inductance bus bar arrangement for high power inverters A low inductance bus bar arrangement suitable for industrial voltage levels, and for power applications contains two or more elongate electrical conducting bars having rounded edges. Strips of dielectric insulating material are located between two of the ...	06/06/1995
5393951	Flexible jumper and method of making A flexible laminated jumper is formed from a stack of half hard tempered copper sheets. Contact plates are clamped to opposite sides of one end of the stack, such plates being provided with short stress relief sections away from the end of the stack. The ...	02/28/1995
5375036	Current transfer bus and assembly A circuit breaker has a line terminal comprising a pair of vertically spaced resilient terminal strips which extend in the transverse horizontal direction out from the breaker's housing to free ends of the strips, and which strips have formed therein near...	12/20/1994
5321310	Apparatus and method for increasing electron flow A method for increasing electron flow and enhancing electrical conductivity in an electrical ribbon conductor by providing a plurality of parallel bridges spanning the ribbon conductor from one edge to the other, connecting them electrically, insulating t...	06/14/1994
5183971	Protective casing for electric distribution busbars A protective casing for preventing any accidental introduction of metal parts into a column containing an array of electric distribution busbars is made up of two identical insulating half-casings (3) coupled together by interengagement of external engage...	02/02/1993
5183957	Method and construction for control of current distribution in railgun armatures An electromagnetic railgun having a layer of low conductivity material along the rails to interface with the armature as the armature is propelled along the rails. The low conductivity material has been found to permit rapid current penetration between th...	02/02/1993
5068491	Bus bar for power supply with coolant flow passages A bus bar for power supply is comprised of a pipe-shaped outer conductor and at least one inner conductor inserted therein. The inner conductor is also formed in a pipe shape and serves as a coolant flow passage. Insulation is interposed between the outer...	11/26/1991
4419715	Bus bar assembly for panelboards and switchboards A versatilely cnnectible bus bar assembly adapted to carry 200-800 amperes in a panelboard or switchboard environment. The assembly includes a plurality of aluminum bus bars having generally rectangular cross-section bases and integrally connected general...	12/06/1983
4366528	Switchboard housing apparatus Lower extremities of two structural, component-carrying columns are affixed to two channel members that are coupled to a base frame. The columns, members, and frame form a free standing assembly. Two other channel members, coupled to a top frame, are affi...	12/28/1982
4180845	Control center with bus bar insulators A control center characterized by vertical bus bars supported by dielectric insulators which are disposed in vertically spaced pairs along the bus bars and which are molded with a configuration to accommodate bus bars of various shapes and sizes....	12/25/1979
4142224	Control center bus bars A control center characterized by vertical bus bars having bent-over portions forming a U-shaped cross section adapted for engagement by clip-on contacts of a circuit interrupter....	02/27/1979
4030794	Bus bar and switchboard assemblage A bus bar, for electrical switchboards comprises an elongated extruded imperforate metal bar of rectangular cross section having slots, with parallel side walls, extending the entire length thereof. Some of the slots are of T-shape cross section, each wit...	06/21/1977
4025826	Control center bus bar brace A control center characterized by a metal enclosed upright cabinet having a plurality of vertical bus bars therein, which bus bars are separately insulated and isolated from each other. The assembly of the bus bar and insulation barriers is supported and ...	05/24/1977
4005255	Extruded composite section A composite section with a body mainly of light metal which has embedded in it inserts of a metal of higher strength. The inserts are not round in cross section and engage in the matrix by virtue of their shape....	01/25/1977
3998306	Rail construction for rail-type electrification systems A rail construction for rail-type electrification systems, comprising a conducting rail member having a cross-sectional configuration somewhat like a pair of channel shapes disposed back to back. One channel shape is used for suspension or mounting, as we...	12/21/1976
3957142	Electrically insulated power line for supplying electrical energy to mobile devices The power line comprises a conducting section enclosed in an electrically insulating casing open on one side. The section and the casing are hung by claws. At least one claw is designed to block the conducting section and the casing. Expansion joints are ...	05/18/1976

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Class 174/133B - Bus bars