Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 8111502 | Arrangement adapted for a subsea application An arrangement related to subsea electric power distributing AC-system and adapted for a subsea application. The arrangement is enclosed in a watertight casing. The casing exposes a main power input connection, adapted for watertight co-ordination with a first subse... | 02/07/2012 |
| 7715175 | Special urban transformation center The invention relates to a special urban transformation center comprising a concrete support body (1) on which a cabinet made of sheet metal and vinyl ester (2) is placed and eyebolts (4) for placement thereof, which are located in the upper par... | 05/11/2010 |
| 7477506 | Electricity substation The invention relates to an electrical substation. The inventive substation is characterised in that it consists of a special ring-type electrical configuration, known as a network ring, comprising SF6-insulated armoured modules M by way of a high-voltage switchgear... | 01/13/2009 |
| 7352564 | Power distribution substation An improved power distribution unit substation, having a plurality of differing voltage rated main breaker cells, encased within a single housing is disclosed. The improved power distribution substation saves considerable floor space as compared to prior art substat... | 04/01/2008 |
| 7310220 | High voltage outdoor substation The substation has at least one outdoor busbar (11, 12) as well as at least two switch bays which can be connected to the busbar and at least one encapsulated, gas-insulated, arrangement of switchgear modules (30) which is arranged in one of the switch... | 12/18/2007 |
| 7236351 | Armoured station element articulated to the ground The high-voltage metal-clad substation element comprises at least one circuit-breaker connected electrically and mechanically to at least one set of busbars (3, 4) extending along an axis (D) that extends transversely to the longitudinal axis (AX) of the circ... | 06/26/2007 |
| 7223928 | Switch with improved protection from ice conditions An arrangement is provided to protect an electrical switch from the deleterious effects of ice formation that inhibits switch operation. In a preferred arrangement, an ice shield is provided that protects the current-carrying contact structures and other operative e... | 05/29/2007 |
| 7212407 | Electrical power converter method and system employing multiple output converters A support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support, in conjunction with other packaging features may form a shield from both external EMI/RFI ... | 05/01/2007 |
| 7187548 | Power converter having improved fluid cooling A thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support, which may be controlled in a closed-loop manner. Interfacing between circuits, circuit mounting... | 03/06/2007 |
| 7187568 | Power converter having improved terminal structure A terminal structure for power electronics circuits reduces the need for a DC bus and thereby the incidence of parasitic inductance. The structure is secured to a support that may receive one or more power electronic circuits. The support may aid in removing heat fr... | 03/06/2007 |
| 7180729 | Arrangement for controlling and monitoring a switchgear assembly The invention is to create a n arrangement for controlling and monitoring a switching installation which can be produced in a relatively cost-effective manner. To this end, the arrangement comprises a station control computer system into which the functions of at le... | 02/20/2007 |
| 7177153 | Vehicle drive module having improved cooling configuration An electric vehicle drive includes a thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. Power electronic circuits are thermally matched, such as bet... | 02/13/2007 |
| 7161255 | Isolated generator equipment compartment A power plant has a generator that is cooled by hydrogen gas. The power plant has a terminal compartment for housing stator terminals of the generator and conductor connections of a main bus taking electrical power away from the power plant. The power plant has a ge... | 01/09/2007 |
| 7142410 | Transformer with housing and switch gear A transformer is formed by a housing having a main transformer compartment, a first compartment for the input terminals for the main power supply, a second compartment for the output terminals to supply the load and a third compartment for a manually operable switch... | 11/28/2006 |
| 7142434 | Vehicle drive module having improved EMI shielding EMI shielding in an electric vehicle drive is provided for power electronics circuits and the like via a direct-mount reference plane support and shielding structure. The thermal support may receive one or more power electronic circuits. The support may aid in remov... | 11/28/2006 |
| 7075778 | Hybrid gas-insulated switchgear A hybrid gas-insulated switchgear constitutes an electrical circuit for a single-line diagram unit by arranging one first standardized module and two second standardized modules in a single row such that the central axes of tanks are generally aligned and electrical... | 07/11/2006 |
| 7061775 | Power converter having improved EMI shielding EMI shielding is provided for power electronics circuits and the like via a direct-mount reference plane support and shielding structure. The thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits th... | 06/13/2006 |
| 6973177 | Private branch exchange Disclosed is a private branch exchange (PBX) that offers high efficiency in wiring cables, at the same time, protects cables in highly safety manner. The PBX includes a PBX section and a casing that covers and holds the PBX section. The casing contains an inner-bott... | 12/06/2005 |
| 6853541 | Compact converter station In order to provide a converter station for a high-voltage DC connection between two three-phase AC voltage networks, having a converter building which has a number of floors, and in which transformer units, converter devices, filter units, a gas-insulated switchgea... | 02/08/2005 |
| 6845301 | System for protecting and controlling substation main circuit components The present invention relates to a system for protecting and controlling main-circuit components of an electricity transmission substation. The system includes devices for digital data output, protection-and-controlling, component controlling-and-monitoring, and com... | 01/18/2005 |
| 6771489 | High voltage hybrid station with opposite busbars and shielded cutoff and switching modules for same The invention provides a “hybrid” high voltage multiphase distribution substation having one or more sets of busbars including at least one air-insulated set of busbars (10), the substation having feeders (A, B, C, D) for air-insulated lines (21, 22 | 08/03/2004 |
| 6696925 | Electrical revenue meter and instrument transformers mobile station A mobile metering system (MMS) comprises a trailer-mounted fully-enclosed three-phase set of current transformers (CTs) and power transformers (PTs), and a metering interface. The instrument transformers reduce the source voltage to a meterable level. The... | 02/24/2004 |
| 6678151 | Module for high- and medium-voltage electric station A module comprising: a supporting frame, having a fixed and a movable part; first actuator for wiring the movable part; first and second sets of three insulating posts, arranged on the fixed part along two corresponding rows; first and second disconnectio... | 01/13/2004 |
| 6657123 | Power distribution cabinet A power distribution cabinet for containing electrical components and associated circuitry includes a panel adapted to provide an interface for the distribution of power from a high voltage source to low voltage applications. The panel includes several ou... | 12/02/2003 |
| 6538875 | Hybrid high-voltage substation having busbars that are enclosed in metal cladding and a backup phase that is air insulated The hybrid high-voltage substation comprises firstly equipment implemented using metal-clad technology and constituted by at least one single or double busbar set, and secondly equipment implemented using conventional air-insulated technology so as to for... | 03/25/2003 |
| 6430035 | System for assembly and maintenance of connection modules in high-voltage switchgear, a method therefor and a system component The invention relates to a system and a method for assembly and maintenance of connection modules (3) in high-voltage switchgear (1). According to the invention assembly and maintenance are performed in a service bay (6) in the vicinity of the switchgear.... | 08/06/2002 |
| 6384325 | Ventilation port and EMI wave-guide for electronic equipment A system for ventilating electronic equipment and suppressing the radiation of electromagnetic interference (EMI) from the electronic equipment. More particularly, the present invention relates to a ventilation port and EMI wave-guide. There is provided c... | 05/07/2002 |
| 6229690 | Electrical switchgear The invention concerns a horizontally divided switchgear, including compartments for high voltage and for cable connection. The cable connection compartment is common to one or more switchgear cubicles and is a compartment separated from the high voltage ... | 05/08/2001 |
| 6215653 | Modular electrical substation and method of constructing same A modular electrical substation for erection at a prepared site has a horizontal steel base formed of interconnected longitudinal and transverse beams and is set on the prepared site. An open top oil containment pan is centrally supported on the base and ... | 04/10/2001 |
| 6195253 | Substation A substation for high voltage switching and a method of building the same. The substation includes an air-insulated high voltage switchgear station, a transformer and a medium voltage switchgear station. The high voltage switchgear station is arranged ins... | 02/27/2001 |
| 6069787 | Switchgear with integral pry slot and a planar base An enclosure for electrical switching apparatus has a base formed by a planar member which extends horizontally to support the enclosure on a support surface. The planar member is generally rectangular with an upturned flange along at least one edge and p... | 05/30/2000 |
| 6016247 | Electricity distribution substation A substation of the "one-and-one-half breaker" type has three identical gastight cubicles in the form of a rectangular parallelepipeds (11, 11', 11") each containing one circuit breaker and two disconnects, and each having electricity lead-ins for connect... | 01/18/2000 |
| 5999400 | Modular plug with electronic components A modular plug which has an insulative housing comprising a front wall, a rear wall, a top wall, a bottom wall and a pair of lateral walls which are perpendicularly interposed between the top two bottom walls. There are a plurality of front longitudinal t... | 12/07/1999 |
| 5889648 | Seismic cabinet A seismic cabinet for containing electronic equipment. The cabinet includes a support bracket for attachment to the electronic equipment. Rails inside the cabinet allow attachment of the equipment and associated fanout panels to the cabinet. A removable s... | 03/30/1999 |
| 5764472 | Isolator assembly An isolator assembly (20) is provided for selectively isolating or connecting first and second bus bars (31) located on opposed sides of a wall (22). The assembly includes mounting means (24), for mounting the assembly (20) in the wall (22), and a through... | 06/09/1998 |
| 5757614 | Gas insulated switchgear apparatus A gas insulated switchgear device of a double bus type which is accommodated in a metal container filled with SF6 gas includes first and second gas insulated main buses disposed horizontally and substantially in parallel with each other. Bus se... | 05/26/1998 |
| 5627723 | Earthquake protection device for a gas-insulated switching installation An earthquake protection device is provided for a gas-insulated switching installation. The gas insulated switching installation has at least one busbar, at least two switch panels, each mounted on a supporting frame, and an arrangement for connecting the... | 05/06/1997 |
| 5544003 | Portable electrical distribution panel A portable power distribution panel for disposition in a sealed, isolated space to receive primary power input from an external source and to distribute reduced or secondary voltage operating power to each of a plurality of output power receptacles while ... | 08/06/1996 |
| 5436797 | Modular station of the metal-clad type and of reduced size, with a shortened set of busbars A metal-clad modular power-supply station comprising a main set of busbars interconnecting at least two pairs of components, such as overhead feedthroughs or cable boxes, in an H-station configuration. The components are connected together in pairs by res... | 07/25/1995 |
| 5231247 | Compartment module and distribution system assembled therewith A compartment module for a metal-enclosed, modular medium-voltage distribution system has an essentially box-type construction and includes a first set of mutually opposite completely closed walls, a second set of mutually opposite walls having identical ... | 07/27/1993 |
