Abstract: An electrically rotating machine, includes a rotor and a stator, the rotor and/or the stator including a laminated core, with an air gap being formed between the rotor and the stator, said rotor having axially and radially extending cooling paths in flow communication with each other and in flow communication with radially extending cooling paths of the stator via the air gap, wherein the radially extending cooling paths of the stator are respectively axially aligned with the radially extending cooling paths of the rotor; at least one fan for conducting an air flow through the axially and radially extending cooling paths of the rotor, the air gap and the cooling paths of the stator, wherein the air gap has at least one constriction defined by sheets of the laminated core of the rotor having an outer radius greater than remaining ones of the sheets of the laminated core of the rotor and/or by sheets of the laminated core of the stator having a smaller inner radius than remaining ones of the sheets of the lamin

Abstract: A stator arrangement of an electric machine, generator, and wind turbine includes a plurality of stator segments forming substantially the stator of the electric machine in a cylindric form around a radially centered shaft. The stator arrangement is radially surrounded by a rotatably mounted rotor arrangement. The stator segments are radially mounted on an outer surface of a support structure. The support structure is fixed via rigid connections to the shaft.

Abstract: The invention relates to an implant, a method and a device for determining the position of the implant. To improve the accuracy of determining the position it is proposed to provide a transponder on the implant suitable for determining the position.

Abstract: A method for checking an imprint reads an imprint, forms a data code from the imprint, and compares the data code with a predetermined number of check data codes of a stored data set. During a search for the data code in the data set, the method decides whether the data code is to be classified as acceptable or unacceptably faulty.

Abstract: A method and system for detecting 3D objects in images is disclosed. In particular, a method and system for Ileo-Cecal Valve detection in 3D computed tomography (CT) images using incremental parameter learning and ICV specific prior learning is disclosed. First, second, and third classifiers are sequentially trained to detect candidates for position, scale, and orientation parameters of a box that bounds an object in 3D image. In the training of each sequential classifier, new training samples are generated by scanning the object's configuration parameters in the current learning projected subspace (position, scale, orientation), based on detected candidates resulting from the previous training step. This allows simultaneous detection and registration of a 3D object with full 9 degrees of freedom. ICV specific prior learning can be used to detect candidate voxels for an orifice of the ICV and to detect initial ICV box candidates using a constrained orientation alignment at each candidate voxel.

Abstract: The invention relates to a method for cooling a gas turbine comprising a rotor, said method being carried out after the operation of the gas turbine and whereby the rotor is driven at least intermittently during a cooling phase at a reduced nominal speed. To provide a gas turbine with a reduced down time, a liquid is introduced at least intermittently into the air stream upstream of the compressor during the cooling phase.

Abstract: A test device and a test method for testing a machine tool or production machine are disclosed. A control and monitoring unit processes at least one predefined instruction sequence and generates control commands for operating the machine controller in order to test the machine. The control commands are transmitted to the machine controller, where they are executed. The instruction sequence also includes control instructions. This results in a relatively simple test device and method for automatically and reproducibly testing a machine tool or production machine.

Abstract: The invention relates to a method for guaranteeing an identical message sequence in several data sinks, according to which several data sources transmit data messages in parallel and independently of one another to said data sinks. To guarantee an identical message sequence, according to the invention a clock-pulse generator delivers a predefined consecutive clock-pulse generator number to all data sources at constant cycle intervals, for example 50 ms, said number being transmitted together with a message counter number that is consecutive during the cycle interval and with the message content to all data sinks.

Abstract: Product having a layer which protects against corrosion, and process for producing a layer which protects against corrosion. The invention relates to a product (1), in particular a gas-turbine blade (1), having a metallic basic body (2) to which a protective layer (3, 4) for protecting against corrosion is bonded. The protective layer (3, 4) has an inner layer (3) of a first MCrAlY alloy and an outer layer (4) having a second MCrAlY alloy, which is bonded to the inner layer (3). The second MCrAlY alloy is predominantly in the &ggr;-phase. The invention also relates to a process for producing a protective layer (3, 4) in which the outer layer (4) is produced by re-melting a region of the inner layer (3) or by deposition of an MCrAlY alloy from a liquid phase.

Abstract: An internal combustion engine operated with excess air has an exhaust gas after-treatment device wherein nitrogen oxides in the exhaust gas are reduced by selective catalytic reduction. A pump is connected between a reducing agent container and a metering device for controlled feeding of a reducing agent to the exhaust gas upstream of an SCR catalyst. A pressure accumulator with an associated pressure sensor for intermediately storing the reducing agent is connected between the pump and the metering device. The pump delivers only so much reducing agent into the pressure accumulator as is being used in the exhaust gas after-treatment.

Abstract: Two MR magnetic field probes arranged in a centrally symmetrical fashion in relation to the magnetic field center, are attached in the examination area of the magnet. The output signals of the two MR magnetic field probes are supplied to a multiplying RF mixer, and a sum frequency signal is obtained from the output signal of the RF mixer, and the actual value of the basic field is determined from the frequency of this output signal.

Abstract: A recording medium which can be magnetized vertically contains a plate-shaped carrier body of nonmagnetic material of which at least one flat side is provided with a thin nonmagnetic intermediate layer having a very smooth surface, to which at least one magnetic recording layer of a material is applied, the axis of easy magnetization of which points in a direction perpendicular to the surface of the medium. The surface of this intermediate layer should be capable of being made smooth in a relatively simple manner. The intermediate layer comprises a glass plate, preferably of fused silica or silicate glass, which is cemented to the carrier body. For the carrier body, particularly a high-strength hardened Al-alloy can be used.

Abstract: A magnetic memory comprising a thin-film magnetic head as well as a recording medium which is provided with a storage layer that can be magnetized perpendicularly (vertically). The magnetic head comprises two magnet legs having a magnetic layer each, the magnetic poles of which are arranged in tandem, forming a gap therebetween. With this magnetic head, a write and read function with high efficiency is obtained. It is provided for this purpose that at least one magnetic layer of the trailing magnet leg differs at least in its end region with respect to its magnetic behavior (magnetic resistance; saturation magnetization) from the at least one magnetic layer of the leading magnet leg at least in its end region, and that the coercivity of the material of the storage layer of the recording medium is chosen sufficiently high, so that overwriting of the storage layer of the recording medium by the trailing magnet leg is, at least largely, eliminated.