Bizarre Patents
A new toilet tank assembly aquarium for housing aquatic creatures.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7579570 | High-voltage outdoor bushing configuration A high-voltage outdoor bushing configuration includes an electrically insulating casing and an electrically conductive housing. An isolating gap is located inside the electrically conductive housing. The isolating gap interrupts a phase conductor into first and seco... | 08/25/2009 |
| 7041928 | Interrupter unit for a high-voltage power switch An interrupter unit (1) for a high-voltage power switch supported by a supporting element (5,6) radially surrounding the interrupter element (1) and consisting of two sections (5a, 5b, 6a, 6b | 05/09/2006 |
| 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 |
| 6727454 | Gas-insulated switchgear A gas-insulated switch gear has a plurality of bay units having bus ducts each containing a three-phase bus and connected by bellows expansion joints. When the bay unit needs to be inspected for maintenance, the bellows expansion joints are compressed, and only the ... | 04/27/2004 |
| 6683267 | Gas-insulated switchgear device A gas-insulated switchgear device for high- and medium-voltage applications, comprising an enclosure which contains a disconnection unit which is electrically connected to a first electric terminal and is arranged in the enclosure in a substantially centr... | 01/27/2004 |
| 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 |
| 6664494 | Current collector and gas circuit breaker A current collector, in which contact portions are free from dissolved loss even both fixed and moving contacts slidingly contact with each other, and durability as well as a current-carrying perfomance is improved, including a container, which is filled ... | 12/16/2003 |
| 6664493 | Gas-insulated switchgear A gas-insulated switchgear of an 11/2 CB system, in which three circuit breakers are electrically connected in series between a pair of buses and a connecting line for supplying and receiving electric power is led out from between the circuit breakers, is... | 12/16/2003 |
| 6399911 | Gas insulated switchgear apparatus A gas insulated switchgear of the present invention, a plurality of disconnect switches are provided on a line connecting a bus line to a circuit-breaker in such a manner as to be arranged in both a main bus unit, a breaker unit or in both a first and sec... | 06/04/2002 |
| 6177643 | High-voltage circuit-breaker having an axially displaceable field electrode In a high-voltage circuit-breaker having arcing contact pieces that are movable relatively to each other, and an axially movable insulating nozzle, provision is made for an axially displaceable field electrode on the side lying opposite the drive. Used as... | 01/23/2001 |
| 6049050 | Medium or high voltage circuit breaker including a transmission belt looped around two wheels Within an envelope, the medium or high voltage circuit breaker includes first and second main contacts that are movable relative to each other along a common axis, first and second arcing contacts that are movable along the common axis, the first arcing c... | 04/11/2000 |
| 5872346 | Metal-cladded electrical high-voltage switching installation with a power switch A high-voltage metal-cladded switchgear having two busbars (1, 2) and a power switch (4) with a first connected to terminals (12, 13) of two isolating switches (10, 11). The power switch has a contact point (17) that can be removed from the enclosure (3) ... | 02/16/1999 |
| 5841087 | Isolating switch The isolating switch (1) contains an isolating switch housing (2) and at least two switching points (18, 19, 20) which are arranged in the isolating switch housing (2), are of axially symmetrical design, and each have one fixed switching element (7, 8, 9)... | 11/24/1998 |
| 5721412 | Disconnector for a metal encapsulated, gas insulated high voltage switchgear A disconnector for a metal encapsulated, gas insulated high voltage switchgear includes a housing with at least a first and a second axis which intersect at a first angle. The disconnector also includes two contact carriers that are arranged on the first ... | 02/24/1998 |
| 5696364 | Combined interrupter disconnect switch blade for high voltage switch A high voltage open-air switch has a movable disconnect switch blade which contains a circuit interrupter therein having interrupter contacts in series with the open air disconnect switch contacts. The circuit interrupter has a lower BIL rating than the s... | 12/09/1997 |
| 5625179 | Isolator for a metal-encapsulated, gas-insulated, high-voltage switching installation An isolator for a metal-encapsulated, gas-insulated high-voltage switching installation includes two contact supports and an enclosure. The enclosure has a longitudinal axis and is filled with insulating gas. The two contact supports are arranged in the e... | 04/29/1997 |
| 5099389 | Gas-insulated electric switchboard An electric switchboard for medium voltages provides for the insulation of the compartments by means of sulfur hexafluoride gas, and each compartment is subdivided into superimposed cells which are metallically separated from one another and are gastight.... | 03/24/1992 |
| 5045652 | Disconnector of gas insulated switchgear A disconnector for a gas insulated switchgear in which the disconnector includes, in a metallic container filled with an insulated gas, a stationary electrode having a contact, a stationary electrode shield electrically connected to the stationary electro... | 09/03/1991 |
| 4984131 | Electrical disconnect method and apparatus A disconnect apparatus by which a cryogenic inductor can be both thermally and electrically isolated from a workload and a generator. The disconnect apparatus includes an input disconnect and an output disconnect. The input and output disconnects, when op... | 01/08/1991 |
| 4659886 | Disconnect switch for a metal-clad, gas-insulated high-voltage switchgear A disconnect switch, suitable for various conductor runs within a section of a metal-clad, gas-filled, high-voltage switchgear, with shielding bodies enclosing the ends of the conductors, is operated through a rotating insulator shaft that is perpendicula... | 04/21/1987 |
| 4570042 | Gas-insulated switching apparatus A gas-insulated switching apparatus comprises gas-insulated interrupters, gas-insulated buses and gas-insulated disconnecting switches, whereby the movable electrode side terminals of all the disconnecting switches accommodated in the apparatus are so arr... | 02/11/1986 |
| 4500762 | Resistor-type disconnecting switch for circuit breaker A disconnecting switch including a hollow cylindrical shield of an electrically conducting material including a circular opening, a spring loaded arcing contact member, a main stationary contact member disposed within the shield to be slightly spaced from... | 02/19/1985 |
| 4488021 | Gas insulated disconnector A circuit including arcing contacts is connected in parallel with main contacts of a disconnector to facilitate interruption of a loop current caused through the disconnector when switching main bus bars in a power station. A switching surge suppression r... | 12/11/1984 |
| 4379957 | Modular "Y"-type enclosure elements for gas insulated substations A modular "Y"-type enclosure element particularly adapted for gas insulated substations. The enclosure element comprises a first generally "Y"-shaped enclosure element having a circuit protective device, such as a circuit breaker or conductor, disposed th... | 04/12/1983 |
| 4347414 | Arc shorting device In or for a fluid-filled metal-clad switchgear an automatically-operating device for short-circuiting an internal arc in the earthed metal enclosure comprises a piston movable in a cylinder mounted on the enclosure wall, with a rod projecting towards the ... | 08/31/1982 |
| 4309581 | Gas circuit breaker having independent main and arcing circuits A puffer-type gas-blast circuit-breaker comprises an interrupting unit mounted in a housing filled with an insulating gas of high dielectric strength such as sulfur hexafluoride. The interrupting unit includes a main circuit having a pair of stationary an... | 01/05/1982 |
| 4211902 | Apparatus for phase switching in pumping-up power station Apparatus for phase switching in a pumping-up power station includes a phase switching device to switch over between pumping-up and generating. The phase switching device includes a pair of disconnecting switches for pumping-up and generating integrally a... | 07/08/1980 |
| 4149054 | Disconnect switch for metal-encapsulated high-voltage switching installations A disconnect switch for use with a metal-encapsulated high-voltage switching installation wherein the switch comprises a movable switching pin and a mating contact axially associated therewith. The switch is further provided with a tube of insulating mate... | 04/10/1979 |
