Patent application number | Description | Published |
20110226910 | METHOD AND DEVICE FOR THE DETECTION OF APPROACHING RAIL VEHICLES ON THE TRACKSIDE AND FOR WARNING PERSONS - A method for the detection of approaching rail vehicles on the track side for the purpose of warning persons or groups of persons. RFID (radio frequency identification) signals that are continuously emitted from the vehicle are received trackside and are evaluated with regard to their potential danger, and/or RFID signals are generated trackside and are received by the person to be warned via individual-bound RFID receivers in the event of danger. | 09-22-2011 |
20110234451 | METHOD AND DEVICE FOR DISTANCE MEASUREMENT - A method and a device provide distance measurement between two points or one point on a path and a rail vehicle. In order to achieve a high measurement accuracy, the measurement of the propagation time of a radio frequency identification (RFID) signal is provided between the points or the point on a path and the rail vehicle. | 09-29-2011 |
20120029740 | METHOD AND DEVICE FOR MONITORING SPEED - A method and a corresponding device enable monitoring the speed of rail vehicles. In order to enable a reduction and simplification of the required system components and a speed monitoring that is not only intermittent, it is provided that the rail vehicle emits a signal, the propagation time of which is evaluated on the track side with regard to the speed. The evaluated signal is transmitted back to the rail vehicle. | 02-02-2012 |
20120037761 | METHOD AND APPARATUS FOR CONTROLLING RAILWAY SAFETY SYSTEMS - A method and an apparatus control railway safety systems, in particular train routing systems and railway crossing systems. In order to simplify the railway line infrastructure while increasing the safety level at the same time, it is provided that the vehicle emits an RFID—radio frequency identification—signal which contains vehicle data and is read and evaluated by a device on the railway line in order to generate control input variables. | 02-16-2012 |
Patent application number | Description | Published |
20090285676 | CONTINUOUS-FLOW MACHINE, TURBINE, OR COMPRESSOR - A continuous-flow machine ( | 11-19-2009 |
20110085915 | BLADE FOR A GAS TURBINE - A blade for a gas turbine includes a leading edge running in a longitudinal direction substantially radially to an axis of the turbine; a trailing edge running in the longitudinal direction; a blade body disposed between the leading edge and the trailing edge so as to define a pressure side and a suction side; an exit slot disposed in the blade body in an area of the trailing edge and running in the longitudinal direction and configured to discharge a cooling medium from an interior of the blade body; and a row of first and second control elements disposed in the exit slot in a distributed manner in the longitudinal direction and configured to control a mass flow of the cooling medium exiting through the exit slot, the first control elements having a first configuration and the second control elements having a second configuration different from the first configuration. | 04-14-2011 |
20110103932 | STATOR BLADE FOR A GAS TURBINE AND GAS TURBINE HAVING SAME - A stator blade for a gas turbine with sequential combustion, has a blade airfoil which extends in the radial direction between a blade tip and a shroud, with cooling passages extending inside the blade airfoil, through which a cooling medium can flow for cooling the blade and can then discharge from the stator blade into the hot gas flow flowing through the turbine. The blade airfoil has a sharply curved shape in space in the radial direction, and three cooling passages, which extend in the radial direction, arranged inside the blade airfoil in series in the hot gas flow direction and are interconnected by deflection regions, which are arranged at ends of the blade airfoil, so that the cooling medium flows through the cooling passages one after the other, with change of direction. The cooling passages follow the curvature of the blade airfoil in space in the radial direction. | 05-05-2011 |
20110171013 | SHROUD SEAL SEGMENTS ARRANGEMENT IN A GAS TURBINE - A gas turbine is provided that includes a rotor which is rotatable around an axis and equipped with rotor blades, and which is concentrically enclosed at a distance by a casing, which is equipped with stator blades, forming an annular hot gas passage. Rings with stator blades and rotor blades are arranged in a manner alternating in the axial direction. Between adjacent stator blades, heat shield segments are arranged, which delimit the hot gas passage on the outside in a region of the rotor blades and are cooled by impingement cooling where a cooling medium from an outer annular cavity flows into the heat shield segment. | 07-14-2011 |
20120060503 | TRANSITIONAL REGION FOR A COMBUSTION CHAMBER OF A GAS TURBINE - A gas turbine including a combustion chamber and a first row of guide vanes, arranged essentially directly downstream thereof, of a turbine. The outer and/or inner limitation of the combustion chamber defined by at least one outer and/or inner heat shield, mounted on at least one combustion chamber structure arranged radially outside and/or inside. The hot gases flow path in the region of the guide vane row being restricted radially on the outside and/or inside by an outer and/or inner vane platform, mounted at least indirectly on at least one turbine carrier. A minimal gap size directly upstream of the first row of guide vanes is achieved by mounting at least indirectly on the turbine carrier at least one mini heat shield, arranged upstream of the first row of guide vanes and essentially adjacent the vane platform and in the flow direction between the heat shield and the vane platform. | 03-15-2012 |
20120063891 | COOLED COMPONENT FOR A GAS TURBINE - A cooled component for a gas turbine is disclosed, which by an outer side of a wall delimits hot gas passage of the gas turbine and on an inner side has a device for impingement cooling. The impingement cooling device can include a multiplicity of impingement cooling chambers which are arranged next to each other, operate in parallel, are covered by impingement cooling plates which are equipped with impingement cooling holes, and are impinged upon by cooling air during operation. | 03-15-2012 |
20130004332 | GAS TURBINE BLADE AND METHOD FOR PRODUCING A BLADE | 01-03-2013 |
20130017064 | GAS TURBINE AIRFOIL WITH SHAPED TRAILING EDGE COOLANT EJECTION HOLES - A turbine blade or vane includes at least one internal radial channel for the circulation of cooling medium bordered on a pressure side by a pressure side wall and on a suction side by a suction side wall joined at a upstream side at a leading edge and at and downstream side at the trailing edge. At least one exit hole extends through at least one of the pressure side wall or the suction side wall for blowing out of cooling medium from the internal radial channel to a medium surrounding the blade or vane. At least one trailing edge exit hole along the trailing edge has a surfacial exit opening disposed at the pressure side of the trailing edge. | 01-17-2013 |
20140037460 | COOLED BLADE FOR A GAS TURBINE - The invention relates to a cooled blade for a gas turbine that includes a radially extending aerofoil with a leading edge, a trailing edge, a suction side and a pressure side, and wherein a lip overhang is provided on the suction side of the trailing edge The blade also includes a plurality of radial internal flow channels connected via flow bends to form a multi-pass serpentine for a coolant flow, whereby a trailing edge ejection region is provided for cooling said trailing edge, said trailing edge ejection region comprising a trailing edge passage of said multi-pass serpentine running essentially parallel to said trailing edge and being connected over its entire length with a pressure side bleed. An optimized cooling is achieved by mainly determining the cooling flow from the trailing edge passage to the pressure side bleed by means of a staggered field of pins, which is provided between said pressure side bleed and said trailing edge passage, with the lateral dimension of said pins increasing in coolant flow direction. | 02-06-2014 |
Patent application number | Description | Published |
20150016762 | METHOD FOR PRODUCING A ROLLING BEARING CAGE FOR AN AXIAL-RADIAL ROLLING BEARING AND AXIAL-RADIAL ROLLING BEARING - The invention relates to a method for producing a rolling bearing cage for a rolling bearing comprising at least one row of rolling elements. In the method according to the invention, a ring or a ring element made of a metallic solid material is provided and shaped by a forming process and/or a cutting, material-removing process into an annular or segmented main body of the rolling bearing cage. The main body has openings for receiving a respective rolling element, the main body being heated to a temperature above a minimum coating temperature for thermal coating with a thermoplastic material powder, wherein the main body is then immersed in a fluidized bed containing the thermoplastic material powder, wherein thermoplastic material powder adheres to the main body, melts and forms a contiguous coating while the main body is present in the fluidized bed, and wherein, after the coating, the main body is removed from the fluidized bed. The invention further relates to an axial-radial rolling bearing with the described rolling bearing cage. | 01-15-2015 |
20150024144 | PROCESS FOR PRODUCING A ROLLING BEARING CAGE, IN PARTICULAR FOR LARGE ROLLING BEARINGS, AND APPARATUS FOR CARRYING OUT THE PROCESS - The invention relates to a process for producing a rolling bearing cage, in particular for large rolling bearings, wherein a steel strip with openings for in each case one rolling body is provided and bent to form a ring, wherein, for thermal coating with a thermoplastic powder, the ring is then heated to a temperature above a minimum coating temperature, wherein the ring is then dipped into a fluidized bed comprising the thermoplastic powder, wherein, during the residence time of the ring in the fluidized bed, plastic powder adheres to the ring, melts and forms a continuous coating, and wherein the ring is removed from the fluidized bed after the coating. The invention also relates to an apparatus for carrying out the process. | 01-22-2015 |