Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8182211 | Turbo machine A turbomachine (1), in particular a gas turbine, has a stator (2) and a rotor (3) and with at least one axial sealing device (6) arranged between them. On the stator side, the sealing device (6) has a radially stepped sealing conto... | 05/22/2012 |
| 8167885 | Anterior lumbar interbody graft inserter An anterior lumbar interbody graft (ALIG) inserter includes prongs at the tip of the inserter which can optionally grasp, and thus insert, anterior and anterior-lateral grafts. ... | 05/01/2012 |
| 8147748 | Creep-resistant steel A creep-resistant steel is characterized by the following chemical composition (values in % by weight): 9.0 to 12.0 Cr, 0.1 to 0.5 Mn, 2.3 to 3 Ni, 1.5 to 2.0 Mo, 0.1 to 0.4 V, 0.01 to 0.06 Nb, 0.08 to 0.16 C, 0.02 to 0.08 N, 0.004 to 0.012 B, 0.001 to 2 Ta, 0.001 t... | 04/03/2012 |
| 8146366 | Method for operating a combined-cycle power plant, and combined-cycle power plant useful for carrying out the method A method involved operating a combined-cycle power plant (10), which has a gas turbine (11) with a compressor (12) and a turbine (13), a heat recovery steam generator (17) which is connected downstream to the gas turbine (11... | 04/03/2012 |
| 8132417 | Cooling of a gas turbine engine downstream of combustion chamber A gas turbine system includes a combustion chamber (2), a turbine (3), a radially inward and/or radially outward axial gap (4; 16, 17) between the combustion chamber (2) and the turbine (3), at which gap inner and/or outer combusti... | 03/13/2012 |
| 8128398 | Burner and pilot burner A burner for a heat generator comprises a swirl generator (1) for a combustion-air flow and means for injecting fuel for producing a main flow (6). A combustion chamber (2) is arranged downstream of the burner. A cavity (3) is arra... | 03/06/2012 |
| 8117825 | Gas turbine installation A gas turbine installation (1), in particular in a power plant for generating electricity, includes a turboset (2) having a turbine (4), a compressor (5) and a combustion chamber (6) arranged in a gas path (9) connecting the... | 02/21/2012 |
| 8113787 | Turbomachine blade with erosion and corrosion protective coating and method of manufacturing A turbomachine blade (1) includes a blade body (2) and a corrosion and erosion protective multilayered coating (11) bonded thereto, the multilayered coating (11) including an erosion resistant first layer (3) at least covering a co... | 02/14/2012 |
| 8074343 | Method for production of supporting basket for an end winding A method for the production of a supporting basket (1) for an end winding of a stator winding of an electrical machine includes preassembling the supporting basket (1), mounting electrically insulated round connectors (6) on the supporting baske... | 12/13/2011 |
| 8069671 | Burner fuel lance configuration and method of use A burner (1) for a combustion chamber of a turbogroup includes a swirl generator (2), a mixer (3), and a lance (4) for introducing pilot fuel into a combustion space (10). In order to stabilize combustion, the lance (4) is d... | 12/06/2011 |
| 8057224 | Premix burner with mixing section A premix burner has a mixing section (3) for a heat generator, sectional conical shells (5) which complement one another to form a swirl body, enclose a conically widening swirl space (6), and mutually define tangential air-inlet slots (7... | 11/15/2011 |
| 8057164 | Continuous-flow machine, turbine, or compressor A continuous-flow machine (1), in particular a turbine or a compressor, includes at least one stator blade section (2) which has a plurality of stator blades (3) which project into a gas path (10) of a working gas, and at least one adjace... | 11/15/2011 |
| 8052382 | Turbo machine and gas turbine A gas turbine (1) includes a rotor (2) which has two rotor blade rows (5) with a plurality of rotor blades (6), and also a rotor heat shield (7), which is arranged between them, with a plurality of heat shield elements (12),... | 11/08/2011 |
| 8052155 | High temperature seal and methods of use A seal (1) includes a first component (7) and second component (9), the first component including a first material having a high thermal and oxidation and wear resistance, and the second component (9) including a second material that is d... | 11/08/2011 |
| 8048368 | High temperature and oxidation resistant material High-temperature materials, based on alloyed intermetallic NiAl, have the following chemical composition (values in % by weight): 26-30 Al, 1-6 Ta, 0.1-3 Fe, 0.1-1.5 Hf, 0.01-0.2 B, 0-1 Ti... | 11/01/2011 |
| 8043052 | Fluid flow machine A fluid flow engine (1), in particular a turbo engine, has at least one guide vane row (5) with a plurality of guide vanes (6) and at least one rotor blade row (7) with a plurality of rotor blades (8). One guide vane row (5)... | 10/25/2011 |
| 8043050 | Gap seal in blades of a turbomachine A gap seal (9) radially seals a gap (8) which extends axially and radially between two blades (1, 2) of a turbomachine which are adjacent in the circumferential direction (3). The two blades (1, 2) have, in each case, an axially ex... | 10/25/2011 |
| 8033784 | Compressor rotor A compressor has a rotor (13), which rotor (13) has a number of rows of rotor blades (14, 14′) which are at a distance from one another, one behind the other in the axial direction, with a number of thermal barrier segments (10), which ... | 10/11/2011 |
| 8008895 | Static exciter system for a generator and method of operation A static exciter system (20) for the field winding (17) of a generator (16) which is connected to a grid system via a busbar (19) includes a first device (12, 18, 21) for production of a DC voltage, which is connected to the field ... | 08/30/2011 |
| 8007715 | Welding additive material A steel has the following chemical composition (amounts in % by weight): 0.05-0.14 C, 8-13 Cr, 1-2.6 Ni, 0.5-1.9 Mo, 0.5-1.5 Mn, 0.15-0.5 Si,... | 08/30/2011 |
| 8007273 | Premixing burner for generating an ignitable fuel/air mixture A premixing burner has a swirl generator with at least two burner shells (1) which jointly enclose an axia conically widening swirl space and delimit tangential air inlet slits (3) through which combustion supply air passes into the swirl space in whic... | 08/30/2011 |
| 8006478 | Power plant and operating method A method for operating a power plant (2), which includes at least one compressor (3), at least one turbine (4), and a burner arrangement (5), involves, to enhance the power plant (2), feeding a combustion exhaust gas from a pre-bur... | 08/30/2011 |
| 7998220 | Methods for treating obesity A system and methods useful for treating morbid obesity include the installation of a stenosis into an artery of a morbidly obese patient, the artery selected to be one that supplies blood to the small intestine of the patient. ... | 08/16/2011 |
| 7997866 | Gas turbine airfoil with leading edge cooling A gas turbine airfoil (1) includes a pressure sidewall (15) and a suction sidewall (16), extending from a root to a tip and from a leading edge region to a trailing edge and having at least one cooling passage between the pressure sidewall (1... | 08/16/2011 |
| 7997856 | Stator heat shield A stator heat shield (6) for a gas turbine (1) includes an outside (11) which in the installed state faces a hot gas path (9) of the gas turbine (1), and an inside (12) facing away from the outside (11). A plurality o... | 08/16/2011 |
| 7972133 | Burner for the operation of a heat generator and method of use A burner (23) for operating a heat generator includes a swirler (2) for a combustion air flow (9), and also devices (7, 12) for injecting at least one fuel into the combustion air flow (9), wherein a mixing path (3) is arran... | 07/05/2011 |
| 7958853 | Steam generator A steam generator has a pressure casing formed in the shape of a drum. The longitudinal axis of this pressure casing is oriented horizontally or largely horizontally. A hollow tube (1) is formed in such a way that at least two hollow tube sections (1â€... | 06/14/2011 |
| 7950240 | Gas turbine plant and method of operation In a method for operating a gas turbine plant (10) with a compressor (11) for the compression of combustion air sucked in from the surroundings, with a combustion chamber (15) for generating hot gas by the combustion of a fuel with compressed co... | 05/31/2011 |
| 7937950 | Device for fastening a sequentially operated burner in a gas turbine arrangement A device for fastening a second burner (SEV burner) (1) in a sequentially operated gas turbine arrangement, in which a fuel/air mixture is burnt in a first burner, so as to form hot gases which can subsequently be supplied, partly expanded, for a second combu... | 05/10/2011 |
| 7931720 | Water separator for a steam turbine plant A water preseparator (1) for steam turbine plants for the separation of water from the operating steam (SW) from a high-pressure steam turbine has a feed pipe (2) which extends over the starting section of a steam transfer pipe (4), w... | 04/26/2011 |
| D635249 | Syringe | 03/29/2011 |
| 7908842 | Method for operating a gas turbine, method of operation of a combined cycle power plant, and combined cycle power plant In a method for operating a gas turbine (GT) with sequential combustion, which has at least one compressor (12, 13), a first combustion chamber (14) with a first turbine (15) which is connected downstream, and a second combustion chamber (16 | 03/22/2011 |
| 7901203 | Combustion chamber A combustion chamber (1), in particular in a gas turbine, has at least two burners (A-H) that are connected to a fuel supply (3) via controllable fuel valves (2′ and 2). Each burner (A to H) is assigned at least one optical measuring de... | 03/08/2011 |
| 7874791 | Turbomachine A turbomachine (1), in particular a turbine or compressor, includes a rotor (2) which has at least one moving blade row (4) with a plurality of moving blades (5), and a stator (3) which has at least one guide vane row (6) wi... | 01/25/2011 |
| 7872392 | Rotating electrical machine A rotating electrical machine, especially a turbogenerator, includes a rotor and a stator, which concentrically surrounds the rotor and is terminated at each of the two axial ends by a laminated press plate (14), which is constructed from a stack of individua... | 01/18/2011 |
| 7871262 | Method and device for burning hydrogen in a premix burner A method and a device for combusting gaseous fuel which contains hydrogen or consists of hydrogen, includes a burner which provides a swirl generator (1) into which liquid fuel is feedable centrally along a burner axis (A), forming a liquid fuel column which ... | 01/18/2011 |
| D629283 | Corner post for a collapsible container | 12/21/2010 |
| D629204 | Multi-compartment pouch | 12/21/2010 |
| 7827777 | Combustor with reduced carbon monoxide emissions A combustor arrangement for a gas turbine engine (31) has a split line (42) and a plurality of burners (20,37) arranged in an annular ring (40). The burners (46) of the combustor on either side of the split line (42) have a ... | 11/09/2010 |
| 7800820 | Microscope viewing device A microscope, e.g., a surgical microscope, includes an image generation device in the light path or light paths of the microscope. Images based on real-time or static data concerning the object in view, e.g., a patient's MRI data and/or parameters of one or more sur... | 09/21/2010 |
