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DEUTSCHES ZENTRUM FUER LUFT-UND RAUMFAHRT E.V. ( DLR)

KOLN, DE

DEUTSCHES ZENTRUM FUER LUFT-UND RAUMFAHRT E.V. ( DLR) Patent applications
Patent application number	Title	Published
20120018918	TOOL, ARRANGEMENT, AND METHOD FOR MANUFACTURING A COMPONENT, COMPONENT - This application describes a tool, an arrangement, and a method of manufacturing a component. The manufacturing of the component is achieved by a resin transfer from a storage chamber via a transfer line into a working chamber. Before the resin transfer, taking place, for example by a compressed air charging of the storage chamber, the storage chamber is filled with an amount of resin adjusted to the size of the component. Furthermore, a semi-finished product, consisting of cut-to-size reinforcement fibers, is inserted into the working chamber that is adjusted to the form of the component to be produced. Storage chamber, transfer line, and working chamber are configured in a one-piece mould casing of the tool. The application further describes a component manufactured by the above-mentioned tool or by the above-mentioned method respectively.	01-26-2012
20090045678	Method and Device for Redundantly Supplying Several Electric Servomotors or Drive Motors by Means of a Common Power Electronics Unit - A method and a device for redundantly supplying several electric servomotors or drive motors by a common power electronics unit particularly in an aircraft, wherein the power electronics unit contains a number of electronic motor control units, and wherein the electric motors are operated with nominal power if the electronic motor control units are fully functional. The motors are operated with the available residual power of the motor control units if partial failure of the motor control units occurs. The motors may be operated sequentially or simultaneously.	02-19-2009