| Patent Number |
Title Of Patent |
Date Issued |
| D407669 |
Switchgear unit |
April 6, 1999 |
|
| 6441407 |
Gate controlled thyristor driven with low-inductance |
August 27, 2002 |
| A semiconductor component including a housing for a semiconductor substrate, an anode, a cathode, an annular gate electrode flange, which laterally protrudes from the housing and concentrically surrounds the housing, and an annular auxiliary cathode flange, which protrudes from the h |
| 6432162 |
Process for melting ashes, slags or glass |
August 13, 2002 |
| In a process for melting inorganic materials (7) in a rotary horizontal converter or a rotary kiln (1) by adding fuel (8), oxygen or oxygen-enriched gases (10) and the inorganic materials (7) to a liquid bath (5), solid fuel (8) is added in piece form. The oxygen or the oxygen-enrich |
| 6416281 |
Method and arrangement for cooling the flow in radial gaps formed between rotors and stators of |
July 9, 2002 |
| A method for cooling the flow in radial gaps formed between rotors and stators of turbomachines, which method is improved with regard to its cooling effect. In addition, a simple, cost-effective and robust arrangement for realizing the method is to be specified. According to the inve |
| 6390805 |
Method of preventing flow instabilities in a burner |
May 21, 2002 |
| In a method of, and an appliance for, operating a burner (26), in which a combustion air flow (14) transports fuel into a combustion chamber (28) where the fuel is burnt, the formation of coherent flow instabilities of the combustion air flow (15) after emergence into the combustion cham |
| 6385023 |
Reclosing apparatus for auxiliary systems |
May 7, 2002 |
| A reclosing apparatus for the auxiliary systems of a plant, in particular a power station, has drive modules (81) for actuating electrical drives (23a, 23b, 33, 53a, 53b, 63, 73) of the auxiliary systems. Each drive module (81) of a reclosable drive (23a, 33, 53a, 63, 73) is assigned a |
| 6383315 |
Profile clamp and method for manufacturing a profile clamp |
May 7, 2002 |
| A steel profile clamp is used to join flanged component parts. The profile clamp has at least partially conical side walls that are bent radially inwardly. The profile clamp has welding joints to maintain the shape of the clamp. The steel is martensitic for increased load-carrying capaci |
| 6370863 |
Method of operating a gas-turbine chamber with gaseous fuel |
April 16, 2002 |
| In a method of operating a gas turbine, in which a gaseous fuel is burned in a combustion chamber and the hot combustion gases which are produced in the process are directed through the gas turbine, and in which method the gaseous fuel is fed to the combustion chamber via a plurality of |
| 6361835 |
Iron aluminide coating and method of applying an iron aluminide coating |
March 26, 2002 |
| An iron aluminide coating consists essentially of:the remainder being iron and also impurities and additaments arising from its production. |
| 6345236 |
Method for detecting installation and/or calibration errors in a plurality of signal output unit |
February 5, 2002 |
| A method for detecting installation and/or calibration errors in signal output units of a partial-discharge measurement system, where the signal output units are arranged at various points in an electrical insulation system, includes: Calibrating a selected one of the signal output units |
| 6343474 |
Cooling passage of a component subjected to high thermal loading |
February 5, 2002 |
| A cooling passage of a component subjected to high thermal loading, which is formed as a cavity (2, 20, 30), running in a longitudinal direction (L) and curved orthogonally to the longitudinal direction (L), between a first wall (5) and a second wall (6), which in each case are connected |
| 6342828 |
Resistor which is designed in the form of a column and is resistant to high current in particula |
January 29, 2002 |
| The resistor is designed in the form of a column and has a cylindrical resistor body which is arranged between two planar electrodes, aligned parallel, and is made of a ceramic material. The resistor is preferably a varistor on a metal-oxide base, and is then used as a voltage-limiting |
| 6322353 |
Ignition appliance for a heat generator |
November 27, 2001 |
| In an ignition appliance for a heat generator, the supply lines for air (70) and fuel gas (60) are led directly into a flame tube (40). The igniter (51) is arranged in an ignition space (50) remote from the flame tube (40) and connected to the flame tube (40). The ignition space (50) is |
| 6318961 |
Axial turbine |
November 20, 2001 |
| The object of the invention is to provide an axial-flow turbine having an improved efficiency. In addition, the assembly and dismantling possibilities are to be extended. According to the invention, this is achieved in that the parting seam (17) between the outer ring (12) of the noz |
| 6312218 |
Sealing arrangement |
November 6, 2001 |
| Described is a sealing arrangement for reducing leakage flows inside a rotary fluid-flow machine, preferably an axial turbomachine, having moving and guide blades, which are in each case arranged in at least one moving- or guide-blade row respectively and have blade roots, via which the |
| 6311760 |
Method and apparatus for casting directionally solidified article |
November 6, 2001 |
| A method of casting a directionally solidified article such as a component of a gas or steam turbine. The casting is performed in a casting furnace comprising a heating chamber, a liquid cooling bath as a cooling chamber and a shell mold. During casting, shell mold is fed with liquid met |
| 6308511 |
Method and device for cooling guide vanes in a gas turbine plant |
October 30, 2001 |
| The temperature can nowadays be reduced by about 400.degree. C. as a result of the cooling of the guide vane (15) of the first guide wheel. The many film bores leading outward from the guide vane (15) must therefore remain free of blockages or deposits caused by suspended matter in the c |
| 6307870 |
Process for transmitting digitized payload and signalling data over a channel |
October 23, 2001 |
| A method for transmitting digitized payload data and signalling data over a common channel. The signalling data are multiplexed with the payload data using a suitable coding. The signalling bytes are preceded by at least one header bit, and confusion between the payload data and the head |
| 6305903 |
Cooled vane for gas turbine |
October 23, 2001 |
| A cooled vane for a gas turbine or similar device including a vane blade constructed of a suction side wall and a pressure side wall that are connected via a leading edge and a trailing edge with each other, which has an essentially radially extending cavity through which a cooling m |
| 6295205 |
Explosion protection for semiconductor modules |
September 25, 2001 |
| A high-power semiconductor module having a casing which encloses at least one semiconductor element has an explosion protection element. This explosion protection element is a protective sheath which surrounds at least a portion of the casing and traps fragments which are projected o |
| 6293105 |
Gas turbine with a plurality of burners and a fuel distribution system, and a method for balanci |
September 25, 2001 |
| In a gas turbine (10) with a plurality of individual burners (B1, . . . , B6; Bn) which are connected to a fuel distribution system (21) and are supplied with fuel from a common fuel feed (28) via the fuel distribution system (21), there being provided, within the fuel distribution syste |
| 6289668 |
Arrangement for the selective introduction of fuel and/or water into combustion chamber |
September 18, 2001 |
| An arrangement for the selective introduction of fuel and/or water into a combustion chamber, in particular the combustion chamber of a gas turbine, comprises valve means, by which a fuel feed line (18) for the fuel and a water feed line (19) for the water can be selectively connected to |
| 6288915 |
Converter circuit arrangement having a DC intermediate circuit |
September 11, 2001 |
| A converter circuit arrangement having a DC intermediate circuit (3) includes a transformer (8) having at least two windings (9 and 10). This transformer (8) is connected in the intermediate circuit (3) such that the undesirable, unbalanced current components lead to magnetization of the |
| 6288625 |
Current transformer for a metal-enclosed gas-insulated high-voltage installation |
September 11, 2001 |
| This current transformer is provided, in particular, for a metal-enclosed gas-insulated high-voltage installation. It has a toroidally formed current sensor enclosing a current path and a signal processing system downstream of said sensor. The current sensor is surrounded by an elect |
| 6286333 |
Method of generating a gas flow of medium pressure and medium temperature from a gas flow of hig |
September 11, 2001 |
| In a method of generating a third gas flow of medium pressure and medium temperature, which can be particularly employed as cooling air for a gas turbine, from a first gas flow of high-pressure and high temperature, a high effectiveness with simultaneous simple process control is achieve |
| 6276863 |
Friction- and form-grip connection of rotating components |
August 21, 2001 |
| In a friction- and form-grip connection of rotating components (1, 2) which have different expansion behavior in the region of the connection during rotation, the form grip is effected via a stepped centering seat (3). The friction grip between the two components is effected by means of |
| 6276692 |
Non-contact sealing of gaps in gas turbines |
August 21, 2001 |
| The arrangements according to the invention and the methods according to the invention serve to seal a gap 20 against a primary fluid 10 by means of a secondary fluid 11 in a fluid-dynamic and non-contact manner, which primary fluid 10 flows over the gap 20. The secondary fluid 11 forms |
| 6270338 |
Method for operating a premix burner |
August 7, 2001 |
| The object of the invention is to provide a method for operating a premix burner which has improved operational reliability and functioning during certain types of operation. In addition, it is intended to specify a corresponding premix burner for carrying out the method.According to the |
| 6270315 |
Highly loaded turbine blading |
August 7, 2001 |
| To reduce the number of stages of a turbine and, associated therewith, the overall length and the costs, blading having high stage-specific enthalpy transfer is to be used. In this case, the disadvantages of conventional highly loaded blading, such as increased secondary flow losses due |
| 6270253 |
Method for measuring the temperature of hot gases by means of a thermocouple, and a measuring ar |
August 7, 2001 |
| A method and arrangement for measuring the temperature of hot gases present in a hot gas space. A portion of the hot gases is mixed in a mixing space arranged inside the hot gas space with a cooler gas. The temperature of the gas mixture is measured with a thermocouple which is provided |
| 6269754 |
Steam generator for superheated steam for incineration plants with corrosive flue gases |
August 7, 2001 |
| The invention relates to a steam generator (1) for superheated steam for incineration plants with corrosive flue gases, essentially comprising a radiation section (2) and a convection section (5), having at least one superheater (8) and having plates (10) arranged on the inside of at lea |
| 6269624 |
Method of operating a power plant with recycled CO2 |
August 7, 2001 |
| In a method of operating a power station plant with a closed or virtually closed CO.sub.2 process, a fuel quantity (21) and oxygen (18) required in this regard for the oxidation are introduced into the cycle for the internal combustion. A recuperator (8) acts on the downstream side of a |
| 6267552 |
Arrangement of holes for forming a cooling film |
July 31, 2001 |
| Arrangement of holes for forming a cooling film on a wall (50) which is subjected to a flow of hot gas. Two rows (1, 2) of holes (10, 20) are provided which are arranged adjacent to one another, the diameter (d1) of the upstream holes (10) being smaller than the diameter (d2) of the |
| 6264425 |
Fluid-flow machine for compressing or expanding a compressible medium |
July 24, 2001 |
| A fluid-flow machine for compressing or expanding a compressible medium is described, having a rotor on which there is arranged perpendicularly to the rotor axis at least one moving-blade row, the individual moving blades of which have moving-blades ends, which are free on the radial sid |
| 6263676 |
Burner having a frame for operating an internal combustion machine |
July 24, 2001 |
| A burner for operating an internal combustion machine, a combustion chamber of a gas turbine group or firing installation is described, having at least two hollow half truncated-cone shaped bodies which are assembled within one another in such way that their longitudinal axes of symmetry |
| 6261053 |
Cooling arrangement for gas-turbine components |
July 17, 2001 |
| A hot-gas stream (40) flows along the surface of a segment arrangement for shroud bands, in particular in a gas turbine. The segment arrangement comprises segments (20, 20') arranged next to one another and in each case separated from one another by a gap (12). The hot-gas stream (40), i |
| 6259166 |
Generator with double driving machinery |
July 10, 2001 |
| A generator with double driving machinery. On one side of the generator, a gas turbine is coupled directly with a generator shaft. On the other side of the generator, opposite from the gas turbine, a steam turbine is connected via a transmission gear with the generator shaft. The tra |
| 6259050 |
Burn-off contact arrangement |
July 10, 2001 |
| A switching arrangement having a large burn-up reserve, contact fingers (2) are connected to a first electrical terminal via flexible bands (6) consisting of strips of, for example, copper which lie one above the other. The connecting portion (7) of the band (6), the said connecting |
| 6257834 |
Method and arrangement for the indirect cooling of the flow in radial gaps formed between rotors |
July 10, 2001 |
| A method of cooling the flow in radial gaps formed between rotors and stators turbo machines is provided. The method includes the step of using water as a cooling fluid for the stator part adjacent to the radial gap. To this end, either at least one recess is formed in the interior of th |
| 6252328 |
Electrical machine with a rotor provided with amortisseur bars |
June 26, 2001 |
| An electrical machine (10), in particular a generator, comprises a rotor (12) with pole zones, in which pole zones amortisseur bars (15) designed as wedges are arranged, which amortisseur bars (15), on the outside of the rotor (12), are pushed into slots (14) provided for this purpose an |
| 6246218 |
Method and control device for stabilizing a power supply network |
June 12, 2001 |
| In a method for stabilizing a power supply network against fluctuations of the reactive power of an electrical system, in particular of an arc furnace (5), having at least one transformer (3), the at least one transformer (3) is switched on and off on the supply network side in switc |
| 6245447 |
Iron aluminide coating and method of applying an iron aluminide coating |
June 12, 2001 |
| An iron aluminide coating as a bonding layer between a thermally stressed element of a thermal turbomachine and a heat insulation coat consists essentially of:the remainder being iron and incidental impurities arising from production thereof. |
| 6241469 |
Turbine blade |
June 5, 2001 |
| Described is a turbine blade with a metal blade body and a protective coating constructed of a porous intermetallic felt, and in the blade body of the turbine blade cooling air channels are constructed that end at the intermetallic felt in order to supply it with cooling air. The int |
| 6241331 |
Sheet-metal casing with seal |
June 5, 2001 |
| The sheet-metal casing comprises at least two sheet-metal parts (1, 2) and has a plastic seal (9) arranged in between. A first sheet-metal part (1) is folded over along the seal (9) to form a fold (10) and comes into contact with the second part (2) in such a way that, in addition to the |
| 6239522 |
Generator cooling with mixing downstream of the cooler |
May 29, 2001 |
| In a generator with a cooling system which draws in, from the generator, cooling medium heated by the heat-generating elements of the generator and which guides the hot cooling medium to at least two cooling units (23), which cooling units (23) operate in parallel and cool the cooling me |
| 6239511 |
Power station having a generator which is driven by a turbine, as well as a method for operating |
May 29, 2001 |
| A power station (10) includes a generator (13) which is driven by a turbine (11). The power station produces electrical power and outputs the electrical power to a network (17) via a generator switch (14). An electrical standby load (18) is also provided. When a network fault occurs, |
| 6238179 |
Centrifugal compressor |
May 29, 2001 |
| The object of the invention is to create a centrifugal compressor with a cooling appliance which is simpler but more effective. This is achieved by the feed device (27) for the gaseous cooling medium (31) opening into the separating gap upstream of the mainly radially extending gap regio |
| 6236562 |
Section of a high-voltage system having cooling means and including a conductor |
May 22, 2001 |
| The section of an electrical high-voltage system has a gas-filled housing of predominantly symmetrical design. Provided in the housing are a conductor extending along a plane of symmetry of the housing, and cooling means for producing a circulation flow which dissipates heat loss from th |
| 6233941 |
Condensation system |
May 22, 2001 |
| A condensation system for the condensation of turbine exhaust steam has a condenser installation (25) in which a surface condenser (30) and a direct-contact condenser (35) work in combination. In this case, the two condensers (30, 35) are either arranged in a single common housing or are |
| 6230994 |
Rotary atomizing head type coating device |
May 15, 2001 |
| A rotary atomizing head type coating machine which is arranged to prevent occurrence of spark discharges, including a rotational shaft (9) which is formed of an insulating material, a rotary atomizing head (11) which is likewise formed of an insulating material and mounted on a fore end |
