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Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts April category listing, related patent applications 04/12

20120100919 - Torque transmission device for the low vibration transmission of torque via at least one shaft: a drive element 912 and a driven element 914 connected to the drive element 912, there being formed between the drive element 912 and the driven element 914 at least one damping arrangement which connects the drive element 912 to the driven element 914 such that they can rotate relative... Agent: Sfg S&#xfc Ddeutsche Gelenkscheibenfabrik Gmbh & Co. Kg

20120094774 - Elastic joint body: The present invention relates to an elastic joint body for a shaft arrangement for the articulated connection of two shaft sections, comprising a plurality of bushes disposed in circumferential direction at predetermined angular distances in relation to a centre line of the joint body, a plurality of loop assemblies, wherein... Agent: Sgf Sueddeutsche Gelenkscheibenfabrik Gmbh & Co. Kg

20120094775 - Universal joint mechanism: The various embodiments herein provide a constant speed universal mechanical joint mechanism with crossover angle up to 90 degrees and more. The universal mechanical joint comprises an input coupling, an output coupling, at least one input shaft, at least one output shaft, a plurality of guide arms, at least three... Agent:

20120094776 - Apparatus comprising a shaft and a balancing sleeve: An apparatus including a shaft mounted for rotation and a balancing sleeve is provided. The balancing sleeve functions to balance the shaft during rotation and includes first and second ends. The first end is secured to the shaft so that the balancing sleeve is substantially concentric with the shaft and... Agent:

20120094777 - Drive shaft, in particular radial shaft for a gas-turbine engine: A drive shaft, in particular a radial shaft for a gas-turbine engine, includes a metallic and hollow shaft shank 1 with load transfer elements 2, 10, 11 integrally formed onto its ends. The shaft shank 1 includes a metal tube 3, 9 prefabricated as a semi-finished part, designed only for... Agent: Rolls-royce Deutschland Ltd & Co Kg

20120088588 - Sucker rod: A sucker rod, including: a rod; a threaded casing disposed outside the rod; a wedge-shaped groove disposed at one end of the rod; an outer connecting screw thread close to the wedge-shaped groove and disposed outside the rod; a wedge-shaped bulge disposed at the other end of the rod; a... Agent: Shandong Nine-ring Petroleum Machinery Co., Ltd.

20120088589 - Damper for coupling rotation of motor vehicle driving shafts: The damper (12) includes first (14) and second (16) damping elements which are arranged in parallel by means of a connection disc (20). The first damping elements (14) comprise at least one first group (24) of resilient units (22) including at least two first resilient units (22) arranged in series... Agent:

20120088590 - Rotary shaft flexural vibration damping device: A damping device for damping flexural vibration of a shaft rotating about a first axis, the device having: a supporting body; and a member, which defines an annular opening fitted through with the shaft, and is movable, with respect to the supporting body and radially with respect to the first... Agent:

20120088591 - Method for welding shafts on a vertical rotational axis: A first tubular, inner radial annular seam is produced to weld together two hollow cylinders by narrow-gap tungsten inert gas arc welding. Narrow-gap metal gas-shielded arc welding is used to create another tubular, outer radial annular seam to further weld together both hollow cylinders. In this manner, the rotational axis... Agent: Siemens Aktiengesellschaft

20120083344 - Driving wheel bearing apparatus: A driving wheel bearing apparatus has an inner ring 5 secured to a wheel hub 1 by a caulked portion 13. An outer joint member 14 of a constant velocity universal joint 3 has a shoulder portion 19 and a cylindrical shaft portion. Face splines 19a and 13a are formed... Agent: Ntn Corporation

20120083345 - High-lift system of an aircraft: The present invention relates to a high-lift system of an aircraft having at least one drive unit, having at least one load station as well as having one or more transmissions for transmitting the drive energy of the drive unit to the at least one load station, wherein one or... Agent: Liebherr-aerospace Lindenberg Gmbh

20120083346 - Method and device for testing a weld joint for a shaft by means of a detection device introduced through a passage of the shaft; corresponding rotor shaft: A method of testing a fusion weld for a shaft includes producing two shaft subsections, wherein the shaft subsections are symmetrical and faun a cylinder coaxially along the axis of rotation. Core regions of each shaft subsection are removed in order to produce open recesses in the cylinder within remaining... Agent: