Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 8116070 | Control and switchgear cabinet The disclosure relates to a control and switchgear for a medium or high-voltage substation. In order to improve a generic control and switchgear by means of a given number of prefabricated wiring elements, the function-related wiring is combined in a uniform control... | 02/14/2012 |
| 7869192 | Adjustable electrical switching apparatus mounting apparatus and switchgear apparatus including the same An electrical switching apparatus mounting apparatus includes a base with a planar portion having a first side and an opposite second side. A number of first adjustable members are coupled to the opposite second side. Each of the first adjustable members includes a ... | 01/11/2011 |
| 7821774 | Mounting base with arc plenum The present invention relates generally to a switchgear apparatus. More particularly, the invention encompasses a mounting base with arc plenum for a switchgear apparatus. The present invention also relates to enclosures for switchgear, panel boards, circuit breaker... | 10/26/2010 |
| 7778013 | Arc resistant baffle for reducing arc-flash energy in an electrical enclosure A venting system is described for use with electrical enclosures in which hot gasses may be generated by certain types of fault. The venting assembly may be mounted to a surface of the enclosure, such as adjacent to an aperture formed in the enclosure door. The vent... | 08/17/2010 |
| 7457105 | Vacuum switchgear system and kit for system A vacuum switchgear system, which comprises a plurality of vacuum switchgears each comprising a vacuum container for accommodating the desired number of vacuum switches selected from a disconnecting switch or load break switch, an earth switch and an vacuum circuit ... | 11/25/2008 |
| 7440260 | Electrical bus member mounting system and electrical enclosure employing the same An electrical bus member mounting system is provided for an electrical enclosure including a housing having a front, a back and a plurality of sides, a plurality of sections disposed between the sides, at least one electrical apparatus disposed within a first one of... | 10/21/2008 |
| 7440259 | Closure device for a withdrawable rack A closure device for a withdrawable rack adapted for receiving power circuit breaker includes a plate arrangement having at least two plates provided with openings and movable relative to one another so that the plate arrangement is changeable between an open positi... | 10/21/2008 |
| 7414828 | Modular current distributor for high currents A current distributor includes a common, uninterrupted first main busbar as a main current supply and a number of current distributor modules which are each associated with a respective circuit breaker and can be disposed in a row along the main busbar. The current ... | 08/19/2008 |
| 7414827 | Gas-insulated switchgear device Disclosed is a gas-insulated switchgear device, in which a space for dismantlement and inspection work which facilitates the dismantlement and inspection work of circuit breakers at the time of the occurrence of accidents of the circuit breakers are provided and an ... | 08/19/2008 |
| 7391605 | Encapsulated gas-insulated switchgear assembly The switchgear assembly has a polyphase design and has a gas-filled, modular encapsulation for each phase. Provided as the modules are at least one busbar, which is guided predominantly horizontally, a circuit breaker and two combined disconnecting-earthing switches... | 06/24/2008 |
| 7334315 | Method of servicing a channel bus splice assembly For use in switchgear equipment having channel bus bars joined together at a bus joint, there is provided a method of servicing and maintaining a channel bus splice assembly and method. The channel bus splice assembly comprises switchgear or switchboard equipment ha... | 02/26/2008 |
| 7319199 | Fusible electric slide switch A fusible electric slide switch. A fuse carrier is slidably mounted to a base, and has a pair of recesses holding fuses. A cover captures the fuse carrier between itself and the base, and has a pair of through slots aligning with the pair of recesses when the fuse c... | 01/15/2008 |
| 7310221 | Switching installation provided with an electrically insulating barrier A switching installation (5) having a circuit breaker (12), which is connected to a cable connection (33), and optionally a disconnector (14) for making or breaking a conductive connection between the cable connection (33) and a ra... | 12/18/2007 |
| 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 |
| 7301755 | Architecture for power modules such as power inverters Power converters such as power modules configured as inverters employ modularized approaches. In some aspects, semiconductor devices are thermally coupled directly to thermally conductive substrates without intervening dielectric or insulative structures. Additional... | 11/27/2007 |
| 7292451 | Architecture for power modules such as power inverters Power converters such as power modules configured as inverters employ modularized approaches. In some aspects, semiconductor devices are thermally coupled directly to thermally conductive substrates without intervening dielectric or insulative structures. Additional... | 11/06/2007 |
| 7289343 | Architecture for power modules such as power inverters Power converters such as power modules configured as inverters employ modularized approaches. In some aspects, semiconductor devices are thermally coupled directly to thermally conductive substrates without intervening dielectric or insulative structures. Additional... | 10/30/2007 |
| 7272003 | Encapsulated switching devices having heat emission elements The invention relates to an improvement to the thermal load capacity of generator switches (20, 21, 22). As is known, radiation plates (5, 50, 51, 52) are used between generator switches (20, 21, 22) for different phases (R, Y, B) for convective... | 09/18/2007 |
| 7247804 | Switch for high voltage and/or current Electrical switch designed for high voltage and/or current and surrounded by a housing (2) divided into a first part (2′) forming a first compartment for taking up at least one switching device (3) and an appurtenant actuator device (4)... | 07/24/2007 |
| 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 |
| 7236352 | Arc resistant switchgear having dedicated vertical plenums An arc resistant switchgear assembly is provided having a front wall, a rear wall, a bottom surface, an upper surface, a first side wall, and a second side wall opposed to the first side wall and spaced a first distance from the first side wall, with each of the fir... | 06/26/2007 |
| 7224577 | Mounting plate system A method and a mounting plate system for electrical equipment in a switchgear cabinet having spaced apart frame members. The mounting plate system comprises a first mounting plate having a plurality of orifices located proximate an outer edge of the first mounting p... | 05/29/2007 |
| 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 |
| 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 |
| 7140702 | Medium voltage motor control center arc resistant enclosure A medium voltage controller for electrical equipment, such as motors, transformers, reactors, and capacitors, having an arc resistant cabinet, swaged internal electrical connections, a one-piece self-aligning withdrawable finger cluster, a pull-out instrument compar... | 11/28/2006 |
| 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 |
| 7126068 | Switching mechanism with mechanical interlocking and manual override A switching mechanism provides sequential switching of first and second circuit breakers to enable switching between a primary power supply and a backup power supply. The switching mechanism comprises a first actuator plate to operate a first circuit breaker connect... | 10/24/2006 |
| 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 |
| 7057123 | Safety interlock for circuit breaker housing assembly and extraction device An interlock assembly for a circuit breaker housing assembly and a circuit breaker extraction device wherein the interlock assembly has a first and second component. The first component is coupled to a circuit breaker housing assembly and the second component is cou... | 06/06/2006 |
| 7053321 | Apparatus operating an isolation switch in coordination with a circuit breaker The movable conductors of a three phase isolation switch are incorporated into the electrically insulative molded shaft, thereby mechanically supporting them and isolating them from the metal axle of the shaft. Movable contacts on the ends of each movable conductor ... | 05/30/2006 |
| 7054143 | Electrical installation comprising a decompression channel The invention relates to an electrical installation, especially a medium-voltage switchgear, comprising at least one encapsulated function module (FM), a decompression channel (DK) which is connected to said function module, and at least one inflow opening (EO . . .... | 05/30/2006 |
| 7034233 | Device for controlling a blocking mechanism of an electric switch in a switch cell A device is for controlling the movement of a blocking mechanism in an electric switch which is displaceably arranged in a switch cell. The device includes a push element and an oblique surface, whereby the oblique surface extends in the fitting position of the devi... | 04/25/2006 |
| 7019229 | Door interlock assembly and draw-out circuit breaker assembly employing the same A door interlock assembly is for a draw-out circuit breaker assembly. A draw-out circuit breaker is housed within an enclosure including a door and includes a poleshaft operable between first and second positions corresponding to separable contacts being opened and ... | 03/28/2006 |
| 7019228 | Method for controlling a displaceable electrical switching module The invention relates to a method for controlling an electrical switching module which can be displaced between an entry position and an exit position. The switching module comprises switching contacts of vacuum switching tubes; an isolating element which can be als... | 03/28/2006 |
| 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 |
| 6976862 | Cell union assembly for electric switchgear An independent connector element may be housed individually in pans which are coupled to modular cells that hold part of the operation and protection gear for transformation stations and electricity distribution. Each connector element may comprise an elastic and ex... | 12/20/2005 |
| 6969130 | Enclosure for electronic devices An electronic device enclosure is disclosed. According to one embodiment, the enclosure includes a housing and at least one door pivotally connected to the housing, wherein the door is pivotally moveable between a closed position and an open position about a first p... | 11/29/2005 |
| 6958456 | Positive locking, trigger grip, external operating handle assembly for network protector enclosures A handle assembly for a network protector where the network protector includes a circuit breaker and a housing assembly, the circuit breaker having a trip bar structured to move between a first position and a second position corresponding to an open and closed posit... | 10/25/2005 |
| 6957170 | Switchgear cabinet or switchgear cabinet assembly comprising a monitoring device that is arranged therein A switchgear cabinet or a switchgear cabinet assembly having at least one monitoring device arranged therein for monitoring switchgear cabinet functions, including temperature regulation. This invention provides extended control options for the safety of the switchg... | 10/18/2005 |
