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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8094435 | Modular high-power drive stack system and method A power drive stack system comprises a series of power electronic modules, each one of the modules containing power components and module contacts electrically and mechanically aligned for building a portion of a complete AC/DC drive stack. The modules utilize a com... | 01/10/2012 |
| 8045322 | Solid insulated bus switchgear A solid insulated bus switchgear including a cabinet having unit and bus rooms, first and second switching units, each having a circuit breaker, current transformer, zero-phase sequence current transformer, and instrument voltage transformer, main buses, a communica... | 10/25/2011 |
| 7800888 | Motor control center subunit having visible contact disconnection and method of manufacture A motor control center subunit includes a subunit housing configured to fit within a motor control center. The housing has a front panel. The motor control center subunit also includes a drive mechanism attached to the subunit housing. The drive mechanism is configu... | 09/21/2010 |
| 7688572 | Motor control center subunit having moveable line contacts and method of manufacture A system and method for connecting supply power to motor control components includes use of a motor control center subunit with moveable supply power contacts. After a motor control center subunit is secured into a motor control center compartment, the supply power ... | 03/30/2010 |
| 7612988 | Switchgear with movable user interface module A switchgear installation has a cubicle with a door to provide access thereinto, and a low voltage circuit breaker is mounted therein and accessible through the door. Coupled to the circuit breaker is a logic module, and a portable user interface module is releasabl... | 11/03/2009 |
| 7417848 | Multiple height, high density horizontal low voltage motor control center A reduced form factor component support is provided for motor control centers and similar packaged electrical systems. The reduced form factor component support may be used with smaller components, such as small motor starters, motor drives, and so forth. Electrical... | 08/26/2008 |
| 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 |
| 7286337 | Switching device for power distribution An object of the present invention is to provide a switching device for power distribution, wherein the entire load side-area including a circuit breaker can be protected against the grounding, whereby the protection region can be widened, leading to an enhancement ... | 10/23/2007 |
| 7173810 | Horizontally mounted power circuit breaker bus assembly A bus assembly that is structured to be coupled to a multiple pole circuit breaker and to a plurality of horizontally aligned vertical line conductors is disclosed. The circuit breaker has a back side with a line terminal and a load terminal for each pole extending ... | 02/06/2007 |
| 7173811 | Power circuit breakers with offset vertical quick disconnect adapters to allow plugging onto a line and a load bus in different planes An offset assembly for a circuit breaker includes at least one two plane member having a first plate and a second plate. The first and second plates are joined at an edge and extend generally perpendicular to each other. The second plate is structured to be coupled ... | 02/06/2007 |
| 7091432 | Power circuit breaker A power circuit breaker includes an insertion rack which is arranged in a distribution unit and a lock system for locking the power circuit breaker in the insertion rack in a locking system. The locking system can be actuated by a drive mechanism, in particular by t... | 08/15/2006 |
| 7012800 | Switchgear unit for a consumer, especially a motor starter The Switchgear unit, especially a motor starter, has a contactor and a power switch for short-circuit protection. The additional function of overload protection envisaged for the switchgear unit is integrated in an overload relay that is configured separately from t... | 03/14/2006 |
| 6934147 | Switchgear conductors and connections therefore A bus assembly for switchgear includes a pair of elongated members each of an L-shaped cross section with a lateral side and a transverse side integral with the lateral side. The elongated members are positioned in a juxtaposed spaced apart relationship forming a ho... | 08/23/2005 |
| 6738692 | Modular, integrated power conversion and energy management system A power conversion and energy management system preferably includes a controller, one or more standard modules, and a custom (or semi-custom) backplane. The backplane preferably accommodates one or more modules and uses the modules to control power quality and/or fl... | 05/18/2004 |
| 6675302 | Power distribution system including integrated power node control center A modular power node comprises modules containing components ultimately connectable to a load to modify power supplied to that load to make the power supplied to the load suitable therefor, the modules being shaped to conform to and contact one another to... | 01/06/2004 |
| 6653802 | Standard electronics rack-mounted dimming control system with plug-in power modules and common plug-in control module A standard electronics rack-mounted dimming control system includes a chassis having spaces for power modules and a control module which can be inserted into and removed from the chassis without removing the chassis from the rack. Control electronics for ... | 11/25/2003 |
| 6582031 | Trainline communication controller assembly A trainline communication controller for placement on a rail car or locomotive of a train in order form a network having a housing with a front plate assembly which includes a plurality of external electrical receptacles. A plurality of circuits, includin... | 06/24/2003 |
| 6473294 | System for distributing energy and data in energy distributing facilities A large number of switching devices, for example contactors, can be supplied with power and information in particular in switchgear cabinets. A multilayer supply board includes a large number of suitable recesses with fingers which form contacts. The rece... | 10/29/2002 |
| 6411500 | Communication switchgear unit with busbar assembly A switchgear and control unit with a communications capability is provided that includes a bus system with a power bus, and can easily be expanded allowing connection to the power bus with protection against direct contact. The switchgear and control unit... | 06/25/2002 |
| 6388867 | Flexible seal for circuit breaker arc gas exhaust system A seal apparatus having a seal member and a plurality of fasteners is mounted on an arc hood of a cassette in a switchgear cabinet and resists leakage of arc gases through a gap between the arc hood and a circuit breaker mounted in the switchgear cabinet.... | 05/14/2002 |
| 6351715 | Electrical integrated modular power node An electrical integrated modular power node includes a power module having a common backplane with a plurality of bus bars for supplying the power requirements for the node, functional components and circuitry for connection through selected bus bars to a... | 02/26/2002 |
| 6191948 | Power supply device A device, used in particular in telecommunications technology to supply power to parallel-connected, electrical loads has side-by-side arranged potential lines. These are secured inside a connecting housing, with connections for supplying the operating po... | 02/20/2001 |
| 6175503 | Interconnection system for rack mounted rectifier An interconnect for engaging a rectifier module with a rectifier cabinet has a first portion which includes AC output contacts, DC input contacts, a cabinet data signal connector and sidewalls which define an enclosed space of the rectifier cabinet. A sec... | 01/16/2001 |
| 6088219 | Switchgear assembly with removable cell door cover A removable access opening cover is magnetically held in place over an access opening in magnetically permeable cell doors of a switchgear assembly by magnetic strips secured to flanges extending along edges of the cover. A window in the cover allows obse... | 07/11/2000 |
| 6061229 | Mounting arrangement for communications network base stations within a tower interior A mounting arrangement for communications network base stations within a tower interior wherein each base station is secured between upper and lower platform plates by a pair of co-axial swivel mounts. The swivel mounts allow the base stations to be rotat... | 05/09/2000 |
| 6002579 | Switchgear unit A switchgear unit comprising two switching devices (1, 2) which are provided with a reversing combination, which switchgear unit is of simple design and allows easy assembly and disassembly by the customer. The reversing combination comprises an assembly ... | 12/14/1999 |
| 5982610 | Multisided communication distribution cabinet having adjustable tie rod In a multisided access communication distribution cabinet, an adjustable tie rod is configured as part of mounting units. The adjustable tie rod is located between grooming bars of the mounting unit, fitted within slots allowing for the adjustable tie rod... | 11/09/1999 |
| 5969938 | Modular power supply chassis employing a suspended bus bar assembly A chassis for receiving power supply modules therein, including: (1) a cabinet; (2) an elongated bus bar assembly suspendable within the cabinet from a mount coupled to the cabinet at an end thereof, the bus bar assembly having a pair of conductors, the p... | 10/19/1999 |
| 5905631 | Low-voltage switchgear assembly for the output or distribution of electrical energy Guide members to guide the guide edges of plug-in units upon insertion of the plug-in units into the U-shaped bus duct of a low voltage switchgear assembly. The guide fittings are arranged on the inside of the side legs of the U-shaped bus duct, and the p... | 05/18/1999 |
| 5901033 | Multisided communication distribution cabinet An equipment/distribution cabinet which contains electrical/electronic device modules. The cabinet allows for front, side and rear access for replacement, servicing and maintenance of the modules carried by the cabinet. The cabinet further includes mounti... | 05/04/1999 |
| 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 |
| 5838533 | Housing assembly for circuit components A housing assembly for electrical components includes a plurality of tubular housing sections which are fixedly interconnected. Portions of the housing sections are then removed to form openings in the housing assembly. The openings formed in the housing ... | 11/17/1998 |
| 5712779 | DC electrical power supply system A DC electrical power supply system for converting AC power to DC power for various telecommunications equipment loads includes plural rectifiers mounted on one or more shelves and adapted to be inserted on and removed from said shelves, at will. One or m... | 01/27/1998 |
| 5654871 | Motor control center providing phase conductor access A motor control center of the type including a short circuit protective device such as a circuit breaker or fusible disconnect, and a motor starter for interacting with an electric motor includes a wiring access cabinet at the top of the control center. T... | 08/05/1997 |
| 5450048 | Circuit breaker comprising a removable calibrating device A removable calibrating unit comprises a body, a front panel and a part in the form of a reversible ramp. The reversible ramp comprises an end close to the front panel and an end away from the front panel. Extraction of the removable unit is achieved by m... | 09/12/1995 |
| 5394296 | Modular power source monitoring and control system A modular power source monitoring and control system is mounted within a common power panel enclosure and includes a main lug assembly and a metering, relaying and control assembly. The main lug assembly includes a mounting and power connecting arrangemen... | 02/28/1995 |
| 5245527 | Modular ac drive controller An ac drive controller including a phase assembly for each phase of a polyphase supply to a motor, each phase assembly including an invertor module and a corresponding filter module. The electrical interconnections between each filter module and each inve... | 09/14/1993 |
| 5245506 | Switchboard and multi-stage switchboard assembly A switchboard assembly comprises a plurality of circuit breaker compartments each having plural-phase power supply side disconnecting parts and load side disconnecting parts disposed thereinside, a plurality of conductor compartments having plural-phase p... | 09/14/1993 |
| 5055059 | Current connection member for large amperages, especially to be used in metal-enclosed electric systems A power connector element (1) for establishing of electrical connection between a busway and an outgoing or incoming electrical cable (3), generally via a multiphase coupler (8), consists of a unit (1) configured as one piece comprising a number of parall... | 10/08/1991 |
| 4963846 | Trip interlock design A trip interlock assembly trips a circuit breaker any time the circuit breaker is removed from its panel mounting. The trip assembly is adapted to be disposed about a load side terminal and cooperate with the circuit breaker tripping device. In one embodi... | 10/16/1990 |
