| Neumayer Tekfor Holding GmbH Patent applications |
| Patent application number | Title | Published |
|---|
| 20120121360 | Fastening Device and Fastening System - A fastening device including at least one nut and at least one holding element, in which the at least one nut and the at least one holding element functionally engage each other, and a fastening system including such a fastening device. | 05-17-2012 |
| 20120111139 | Camshaft and Corresponding Production Method - A camshaft comprising a carrier element and at least one cam in which the carrier element is comprised of at least two carrier sections, and a method of manufacturing such a camshaft. | 05-10-2012 |
| 20120108348 | Ball Joint - A ball joint having an inner hub which has an inner hub axis and an outer surface, in which inner races and cage guide surfaces are arranged in the inner hub; an outer hub which has an outer hub axis and an inner surface, in which outer races and cage guide surfaces are arranged in the outer hub, and a cage which is ring-shaped and has a cage axis. The inner surface of the cage extends in the direction of the cage axis, the outer surface of the cage extends away from the direction of the cage axis, an inner race is constructed to extend straight and/or parallel to the inner hub axis, and an outer race is constructed to extend straight and/or parallel to the outer hub axis. | 05-03-2012 |
| 20120107069 | Fastening Device - A fastening device comprising at least one nut, at least one support unit, and at least one spring element, with the nut, the support unit, and the spring element being constructed and matched to each other in such a way that the spring element exerts a force between the nut and the support unit. | 05-03-2012 |
| 20120103130 | Method for the Fabrication of a Camshaft and a Corresponding Camshaft - A method of fabricating a camshaft including at least one carrier unit and at least one functional element. The carrier unit is produced at least in part from at least one first blank by way of at least one first machining method, and the functional element is produced at least in part from at least one second blank by way of at least one second machining method. The invention further relates to a camshaft produced by the method of the invention. | 05-03-2012 |
| 20120031227 | Connecting Rod Having a Press Fit and Method of Producing a Connecting Rod - A connecting rod constructed as an assembly of a plurality of parts comprising a shaft, a big end eye and a small end eye connected to one another by at least one interference fit, preferably a cylindrical interference fit, and a method of producing a connecting rod from a plurality of such parts connected to one another by at least one interference fit. | 02-09-2012 |
| 20120015751 | Constant Velocity Ball Joint - A joint, particularly a constant velocity ball joint, including an inner hub and an outer hub, which hubs exhibit respective inner and outer ball tracks which are associated with each other in pairs, and further including balls disposed in the pairs of associated inner and outer ball tracks, the tracks being configured such that at the contact points of the balls with the ball tracks the tangential planes form an angle of inclination, and the ball tracks exhibiting at any given time a continually changing curvature, as a result of which the angle of inclination is constant. | 01-19-2012 |
| 20120011698 | Method of Producing a Composite Body - A method of producing a composite body, such as a gear wheel or torsional vibration damper, including a radially inner hub body provided with outer profiles, a surrounding outer body provided with inner profiles, and an intermediate layer of synthetic resin material which connects the outer profiles of the hub body with the inner profiles of the outer body; the hub body being with an inner contour adapted to mount the composite body on a shaft. | 01-19-2012 |
| 20120010008 | Connecting Arrangement Between Shaft Journal and Constant Velocity Rotary Joint - A connecting arrangement between a shaft journal and a constant velocity rotary joint having a joint inner part and a joint outer part, in which the shaft journal engages in a rotationally fixed manner in one of the joint parts, and the shaft journal and the constant velocity rotary joint are two components. At least one clamping sleeve is provided which is axially secured on one of the components, and which includes at least one elastic element which can lock in place in a contour of the other component. | 01-12-2012 |
| 20120004043 | Vibration Damper for a Drive Train - A vibration damper ( | 01-05-2012 |
| 20110305538 | Self-Locking Screw Connection - A screw connection having a screw section and a nut threaded thereon. A self-locking effect of the nut on the screw section is achieved in a simple manner in that an intermediate disk is supported non-rotatably on the screw section and is received on the nut so as to be rotatable relative to the nut. The intermediate disk includes a grid distributed around the circumference of the intermediate disk, and the nut carries at least one resiliently elastic, radially displaceable catch formed by a sheet-metal part which, after installing the nut, positively engages the grid to lock the nut against rotation relative to the screw section and intermediate disk. Upon application of a wrench to the nut, the at least one resilient, radially displaceable catch is compressed and drawn out of engagement with the grid, so that the nut can be rotated relative to the screw section. | 12-15-2011 |
| 20110212787 | Damper Unit for a Shaft - A damper unit (1) composed of two parts (2, 3) which are connected to rotate with one another and between which an axially elastic element (7) is disposed. Such damper units are used particularly for axial damping and for compensating slight axial misalignments of shafts in drive trains. To improve such damper units, particularly with respect to their external diameters, the axially acting energy storage device is compressed by a rotational movement produced by threads upon axial loading of the two parts. | 09-01-2011 |
| 20110143879 | Axle Assembly with a Differential Provided with a Drive Wheel - An axle assembly comprising a differential provided with a drive wheel comprising two pairs of bevel gears disposed in a two-part housing, one of the pairs of bevel gears being a pair of axle bevel gears and the other pair of bevel gears being a pair of compensating bevel gears. | 06-16-2011 |
| 20110126702 | Axial Piston Machine - An axial piston intended for an axial piston machine and comprised of at least two components forming a driving part and a compressing part. To enable manufacture of the axial piston in an easy and inexpensive way while simultaneously reducing the weight, the components are manufactured by a solid forming process and joined together by a capacitor discharge welding process. | 06-02-2011 |
| 20110092300 | METHOD FOR PRODUCING A TORQUE TRANSMISSION DEVICE USEFUL AS A FIXED CONSTANT VELOCITY BALL JOINT FOR DRIVE SHAFTS - A method for producing a torque transmission device such as a fixed constant velocity ball joint constructed as an opposed track joint in which the curvatures bases of the tracks of the joint deviate in their axial course from the curvatures of the ball contact lines. The method is characterized in that prior to the formation of a longitudinal profile of a joint component, the component is brought to an increased hardness by a hardening process and a diffusion layer is partially or completely removed in the region of the longitudinal profile. | 04-21-2011 |
| 20110039627 | Connecting Arrangement Between a Shaft Journal and a Joint Part - A connecting arrangement between a shaft journal ( | 02-17-2011 |
| 20100275429 | Method for Producing an Internal or External Part of an Opposed Track Joint - A method for producing an internal or external part of a torque-transmitting opposed track joint, such as a fixed constant velocity ball joint, in which approximately axially parallel extending track bases of the joint tracks have curvatures which deviate in their axial course from the curvatures of the ball contact lines. The method is characterized in that in a first step a perform with approximately axially parallel extending grooves having lateral flanks is produced, and in a second step the perform is formed into a final joint part whereby the lateral flanks of the grooves are just partially formed to achieve the ball contact lines. | 11-04-2010 |
| 20100267511 | Differential - A differential comprising at least one drive wheel, at least two axle wheels, at least one compensating wheel and at least one connecting element, wherein the connecting element experiences at least a first torque at least from the drive wheel, and wherein the connecting element transmits at least a second torque to at least one of the at least two axle wheels. The drive wheel is constructed such that the drive wheel at least partially surrounds at least one inner chamber; the connecting element is arranged at least partially inside the inner chamber that is at least partially surrounded by the drive wheel, and the connecting element is constructed in one piece. | 10-21-2010 |
| 20100218583 | TRANSMISSION SUITABLE FOR A MOTOR VEHICLE, SHAFTS THEREFOR AND METHOD OF PRODUCING SUCH SHAFTS - A transmission, particularly for a motor vehicle, having at least two torque transmitting shafts, shafts suitable for use in such a transmission, and a method for the production such shafts. At least one of the shafts is composed of a shaft base body ( | 09-02-2010 |
| 20100162976 | Camshaft and Production Process Therefor - A camshaft assembly, particularly for use in an internal combustion engine, having a shaft base body and a plurality of cam parts. In order to be able to selectively shut down individual cylinders, cam parts are provided with cams which are arranged so as to be rotationally fixed and axially displaceable in relation to the shaft base body. Depending on a desired sequence of axially fixed and axially displaceable cam parts, it is proposed to arrange the axially displaceable cam parts on a longitudinally extending profile in an axially displaceable manner and to push the axially fixed cam parts—insofar as these are necesary—over or across the receiving area for the axially displaceable cam parts and to secure them to the shaft. | 07-01-2010 |
| 20100102053 | Combustion Chamber and Method for Production Thereof - A method for producing a combustion chamber, particularly for airbags, with a barrel shaped body to which an ignition chamber is attached by welding and which has a transition opening between the ignition chamber and the barrel shaped body and a discharge opening in the barrel shaped body lying substantially opposite the transition opening, the barrel shaped body having a wall thickness in the vicinity of the discharge opening and in the vicinity of the transition opening or of the region where the ignition chamber is attached is greater than the wall thickness of the remainder of the barrel shaped body. | 04-29-2010 |
| 20100068428 | Method for Producing Hollow Shaft Base Bodies and Hollow Shaft Base Body Produced Thereby - A method of producing a hollow shaft base body including a first step in which a perform ( | 03-18-2010 |
| 20100062892 | Differential Provided with a Drive Wheel - A differential provided with a drive wheel comprising two pairs of bevel gears disposed in a two-part housing, one of the pairs of bevel gears being a pair of axle bevel gears and the other pair of bevel gears being a pair of compensating bevel gears. | 03-11-2010 |
| 20100031764 | Composite Body - A composite body, such as a gear wheel or torsional vibration damper, including a radially inner hub body provided with outer profiles, a surrounding outer body provided with inner profiles, and an intermediate layer of synthetic resin material which connects the outer profiles of the hub body with the inner profiles of the outer body; the hub body being with an inner contour adapted to mount the composite body on a shaft. | 02-11-2010 |
| 20100004065 | Displacement Unit - A displacement unit comprising two shaft-shaped drive components which are displaceable in one another and each have a plurality of roller body raceways facing one another with roller bodies arranged between them. To both save weight and facilitate proper positioning of the components, a profile groove is provided between two adjacent roller body raceways of at least one drive component, the profile groove having a profile depth which is smaller than the profile depth of one of the adjacent roller body raceways. | 01-07-2010 |
| 20090317182 | Connecting Arrangement - The invention relates to a connecting arrangement between a shaft end and a joint part in which a collar on a connecting nut engages behind a another collar on the shaft end or on the joint part or on a clamping nut which clamps a bearing on the shaft, and one of the collars is formed by a oval ring received in a groove which facilitates disassembly of the connection formed by the connecting arrangement. | 12-24-2009 |
| 20090208276 | Connecting Arrangement Between a Shaft Journal and a Joint Part - A connecting arrangement between a shaft journal ( | 08-20-2009 |
| 20090176586 | Torque Transmission Device Useful as a Fixed Constant Velocity Ball Joint Constructed as an Opposed Track Joint and Method for Producing Such a Joint - A torque transmitting device, such as a fixed constant velocity ball joint as a counter track joint and a method for producing such a joint, in which the curvatures of the bases of the joint tracks deviate in their axial course from the curvatures of the ball contact lines. The method is characterized in that the joint component is brought to an increased hardness by a hardening process prior to the formation of the longitudinal profile of the component, and a diffusion layer is partially or completely removed in the region of the longitudinally profiled structure. | 07-09-2009 |
| 20090176585 | Torque Transmission Device Useful as a Fixed Constant Velocity Ball Joint for Drive Shafts and Method for Producing Such a Joint - A torque transmission device such as a fixed constant velocity ball joint constructed as an opposed track joint and a process for producing such a device, in which the curvatures bases of the tracks of the joint deviate in their axial course from the curvatures of the ball contact lines. The process is characterized in that prior to the formation of a longitudinal profile of the joint component, the component is brought to an increased hardness by a hardening process and a diffusion layer is partially or completely removed in the region of the longitudinal profile. | 07-09-2009 |
| 20080312000 | Variable Drive for Camshafts | 12-18-2008 |
| 20080309057 | Combustion Chamber and Method for Production Thereof - A combustion chamber, particularly for airbags, with a barrel shaped body to which an ignition chamber is attached and which has a transition opening between the ignition chamber and the barrel shaped body and a discharge opening in the barrel shaped body lying substantially opposite the transition opening, the barrel shaped body having a wall thickness in the vicinity of the discharge opening and in the vicinity of the transition opening or of the region where the ignition chamber is attached is greater than the wall thickness of the remainder of the barrel shaped body, and to a method for producing such a combustion chamber. | 12-18-2008 |
| 20080280691 | Hollow shaft and method of producing the same - A hollow shaft having improved profilings such as external splines, which are provided for torque transmission at its two ends, in which shaft sections between the profilings have smaller diameters than at least one of the profilings, and in which the hollow shaft is assemblable or assembled from two components, one of which components includes the shaft section and the profiling and at the end of the shaft opposite the profiling an external torque-transmitting profile of a slip joint, and the other component being a sleeve-like component with the second profiling at one end and an internal torque-transmitting profile of the slip joint at its other end, and method for producing the components and the assembled shaft. | 11-13-2008 |
| 20080264199 | Shaft Such as a Camshaft for Internal Combustion Engines - A shaft, such as a camshaft for use in the internal combustion engine of a motor vehicle, in which the shaft includes a basic shaft body, a plurality of functional bodies, such as cams, mounted in axially spaced positions on the basic shaft body, and at least one balancing element mounted on the basic shaft body, in which the at least one balancing element is produced separately from the basic shaft body and from the functional bodies, and the functional bodies and the at least one balancing element are subsequently mounted on said basic shaft body, for example, by axial press fitting. | 10-30-2008 |
