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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8172922 | Method and device for the continuous production of steel using metal charge material A method for the continuous production of steel using metal charge material that is preheated in an upper part of a melting vessel, is then melted in a lower part of the melting vessel with fossil fuels and the molten material is continuously discharged into a treat... | 05/08/2012 |
| 8162030 | Mold for casting metal The invention relates to a mould for casting metal, having a plurality of temperature measuring devices (300) that are arranged in a wall (100) of the mould in order to detect the temperature distribution at that location. In order to make it easier to... | 04/24/2012 |
| 8157884 | Method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal The invention concerns a method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal, in which the liquefied metal-containing slag is heated in a primary or secondary smelting unit... | 04/17/2012 |
| 8109168 | Converter gearing having eccentric bushes The invention relates to a converter gearing, comprising a gear rim (7), which is connected to the pivoting axis (6) of a converter box, said gear rim being engaged with at least one drive pinion (8) of the converter gearing (9) and at le... | 02/07/2012 |
| 8100166 | Continuous casting plant and method of operating a continuous casting plant A continuous casting installation, which has a vertically oriented strand guide arranged below a mold, wherein a drive for driving the cast strand and bending it into the horizontal direction are arranged below the strand guide. A drive that serves exclusively for d... | 01/24/2012 |
| 8096161 | Method for rolling strips in a roll stand The invention relates to a method for rolling strips in the roll stand of a rolling mill, wherein said roll stand consists of two axially displaceable working rollers which are provided with a CVC-grinding or a similar contour and whose curved profile is expressed i... | 01/17/2012 |
| 8091924 | Device for coupling a coolant supply to a roller A device for coupling a coolant supply to a roller, in particular for continuous casting installations, wherein the roller is supported for rotation in a stationary pillow block, includes a sealing unit coupled to an axial roller borehole in a pressure-tight manner,... | 01/10/2012 |
| 8021599 | Method and installation for producing steel products with optimum surface quality A method for producing steel products (1) with optimum surface quality wherein the molten steel (1b) is produced in a process route (10, 100; 12; 13) that is selected according to a desired final microstructure (9), by melting in a... | 09/20/2011 |
| 8001820 | Method for lubricating and cooling rollers and metal strips on rolling in particular on cold rolling of metal strips The invention relates to a method for lubricating and cooling rollers (3,4,5,6) and metal strips (2) on rolling in particular, on cold rolling of metal strips (2), wherein, on the inlet side (7a) a minimal amount of pure lubricant ... | 08/23/2011 |
| 7998400 | Gas supply system for a metallurgical furnace and method for operating this system A gas supply system for a side blowing and/or bottom blowing metallurgical furnace with at least one tuyere which is mounted in the side wall and/or in the bottom of the furnace, wherein gas is conveyed through a line of the gas supply system to the tuyere and throu... | 08/16/2011 |
| 7998237 | Method and installation for the production of steel products having an optimum surface quality Disclosed are a method and an installation for producing steel products (1) having an optimum surface quality, especially extremely low carbon contents (UCL steel or IF steel), nitrogen contents, total oxygen contents, high-strength or stainless steel qualiti... | 08/16/2011 |
| 7975956 | Expansion reel mandrel The invention relates to a reel mandrel (1) comprising radially mobile expansion segments (2) and/or closing strips (4, 13) arranged on the periphery thereof. According to the invention, the reel mandrel (1) is provided with axially arran... | 07/12/2011 |
| 7958931 | Method of casting rolling with increased casting speed and subsequent hot rolling of relatively thin metal strands, particularly steel material strands and casting rolling apparatus A method for continuous casting and rolling at increased casting speed followed by hot rolling of relatively thin metal strand, especially steel strand (1), where presetting of target temperatures (6) of the hot strip (2) reduces temperature los... | 06/14/2011 |
| 7958930 | Wall of a casting die for casting a molten metal The invention relates to a wall (100) of a casting die for casting a molten metal. Die walls comprising a front plate (110) with a pocket borehole (112) and a rear plate (120) with a transversal borehole (122) aligned with the pock... | 06/14/2011 |
| 7922840 | Method and installation for producing hot-rolled strip from austenitic stainless steels A method for producing hot-rolled strip from austenitic stainless steels. In a first step, a cast product is subjected to a rolling operation in a rolling mill with a finishing train, and, in a second step, a heat treatment is carried out to prevent susceptibility t... | 04/12/2011 |
| 7913744 | Strip-casting machine for producing a metal strip and a method for controlling same The invention relates to a strip-casting machine (20) for producing a metal strip (15). Said strip-casting machine comprises a pair of casting rolls (22, 24) which are arranged adjacent to each other, form a casting gap and are rotatably mounted... | 03/29/2011 |
| 7819941 | Method for reducing and/or refining a metal-containing slag The invention relates to a method for reducing and/or refining a metal-containing slag. The aim of the invention is to improve reduction of the slag. For this purpose, calcium carbide (CaC2) is added to the slag as the reducing agent. ... | 10/26/2010 |
| 7762377 | Transport car for metal coils A transfer car in a conveyance system for metal coils, having a support saddle, a chassis that can be moved along a conveyance path by a drive and a mechanism for raising and lowering the support saddle along a linear vertical guide on a plate-like base frame. A ste... | 07/27/2010 |
| 7762312 | Method and device for driving support rollers on a continuous casting machine for molten metals in particular for molten steel materials A method and device for driving the support rolls of a continuous casting machine for liquid metals, which support rolls form a strand guide for the continuously cast strand. The strand guide includes electrically driven individual support rolls and/or hydraulically... | 07/27/2010 |
| 7757531 | Convex roll used for influencing the profile and flatness of a milled strip Rolling stand for producing rolled strip, which includes work rolls, which are supported on backup rolls or intermediate rolls and backup rolls. The work rolls and/or the backup rolls and/or the intermediate rolls can be axially shifted relative to one another. The ... | 07/20/2010 |
| 7743638 | Adjusting cylinders in rolling stands, including vertical edging stands An adjusting cylinder for long, rapid lifting movements in rolling stands, including vertical edging stands, wherein each adjusting cylinder has at least one piston which acts through the bearing chocks of at least one work roll or of an interposed roll to adjust a ... | 06/29/2010 |
| 7740052 | Method for extending the casting cycle for two-roll strip casting, and installation for carrying out said method A method for extending the casting cycle for the two-roll strip casting of a steel strip, with inline rolling thereof, the steel strip being rolled in at least two successive rolling units of a rolling mill having replaceable working rolls. The casting process is ca... | 06/22/2010 |
| 7735706 | Apparatus for the connection of strips The invention relates to an apparatus and a method for clamping, cutting, and joining strips to a continuous strip. Said device comprises a clamping device (125), a cutting device (155), and a joining device (195). The clamping device, cutting d... | 06/15/2010 |
| 7726168 | Adjusting cylinders in rolling stands, including vertical edging stands An adjusting cylinder for long, rapid lifting movements in rolling stands, includes vertical edging stands, wherein each cylinder has at least one piston, which acts through the bearing chocks of at least one work roll or of an interposed roll to adjust a work roll ... | 06/01/2010 |
| 7690215 | Device for cooling metal sheets and strips Disclosed is a device (1) for cooling metal sheets and strips during the production thereof, particularly following rolling thereof. Said device (1) comprises a feeding duct (2) for delivering a cooling medium, especially water. Said feeding duc... | 04/06/2010 |
| 7669447 | Combined use of oil and emulsion for the cold-rolling of strips The invention relates to a method for cold-rolling strips consisting of, inter alia, special steels and/or nonferrous metals, in a multi-stand tandem rolling mill. The first stand(s) carry out comparatively high reductions and the last stand(s) determine the surface... | 03/02/2010 |
| 7662438 | Method and device for hot-dip coating a metal strand The invention relates to a method for hot-dip coating a metal strand (1), especially a steel strip, according to which the metal strand (1) is vertically guided through a container (3) accommodating the molten coating metal (2) and throug... | 02/16/2010 |
