Abstract: The present invention provides a lubrication system that improves the force of retaining a lubricating component of a foamed lubricant, is capable of minimizing the amount of exudation of the lubricating component which occurs owing to deformation of the foamed lubricant, is capable of compensating for a lubricating function even when the lubricating component exudes insufficiently from the foamed lubricant, and is capable of complying with a demand that the lubrication system has a long life and can be produced at a low cost. The lubrication system comprises a foamed lubricant containing a lubricating component in a resin thereof which foams, hardens, and becomes porous and a grease for auxiliary lubrication which is present together with the foamed lubricant in a portion to be lubricated.

Abstract: An antifriction bushing is provided for the bearing of a telescopable steering spindle having an inner spindle and an outer spindle which are disposed coaxially with respect to one another and displaceably with respect to one another and for the torque transmission have a cross section differing from circular. Between the outer spindle and the inner spindle, an interspace is provided for receiving the antifriction bushing consisting of a thermoplastic synthetic material or comprising such material. The bushing includes an inner surface and an outer surface, and consists of a mixture comprising the material PEEK and additionally at least one of the materials PTFE at a volume fraction of up to maximally 15% and/or graphite at a volume fraction of up to maximally 15% and/or carbon fibers at a volume fraction of up to maximally 40%.

Abstract: It is an object of the present invention to provide a lubricating system that improves the force of retaining a lubricating component of a foam lubricant, minimizes an exudation amount of the lubricating component caused by deformation of the foam lubricant, is excellent in initial lubrication, has a long life, has a low cost, and is excellent in the productivity thereof; a bearing utilizing the lubricating system; a universal joint utilizing the lubricating system; and a process for the production thereof. A lubricating system includes a foam lubricant (9) containing a lubricating component in a resin thereof which foams, hardens, and becomes porous and a lubricant (10) for initial lubrication which is present together with the foam lubricant (9) in a portion to be lubricated. The lubricant (10) for initial lubrication consists of grease having a worked penetration not less than 300 or having a degree of oil separation not less than 0.7 wt % when the grease is left 24 hours at 70° C.

Abstract: A convoluted boot for constant velocity joints and a constant velocity joint lubricant for use in such a convoluted boot. An additive which is added to the constant velocity joint lubricant and/or to the convoluted boot material is provided. The additive comprises amide waxes and also may include hydrocarbon oils. Use is made, in particular, of monoamides and/or diamides of carboxylic acids with 8 to 50 carbon atoms to form, by diffusion, a lubricating film on the surface of a convoluted boot. Furthermore, oleic acid amide and/or ethylenediamine distearate result in a particularly early formation of a lubricating film on the outer boot surface and thus to a long-term prevention of noise.

Abstract: A yoke-trunnion universal joint has a plastic anti-wear coating disposed between the sleeve and trunnion for lubrication, anti wear and absorbing vibration. A combining means combines the plastic anti-wear coating with sleeve or trunnion tightly. The plastic anti-wear coating is made by nylon or polytetrafluoroethylene. The universal joint has a simple structure, long working life, low operating noise and cheap manufacture cost. The most advantage is that the universal joint needs not oil or grease for whole working life. It is an oil or grease free and maintenance free universal joint.

Abstract: A shaft coupling is made from carbon-carbon composite to achieve significantly higher temperature capability, combined with lubricity and high strength, allowing its use in hot, non-lubricated sections of gas turbine engines, where previously, these couplings could not be used. The coupler may be cylindrical for joining the facing ends of co-axial shafts is made from carbon-carbon composite with a female spline in a coupling bore and a male spline on the coupling outer surface. Variations of the torque carrying geometry include involute splines, circular splines, square drive, hex drives, serrations, or double-D drives. By fabricating the coupler from carbon-carbon (or carbon-graphite) composite, metallic shaft mating splines are provided with a coupler that has exceptionally high temperature capabilities (>2500 F.), high strength, and can be impregnated with graphite or other dry lubricants to reduce frictional heat generation and reduce spline wear.

Abstract: A shaft coupling is made from carbon-carbon composite to achieve significantly higher temperature capability, combined with lubricity and high strength, allowing its use in hot, non-lubricated sections of gas turbine engines, where previously, these couplings could not be used. The coupler may be cylindrical for joining the facing ends of co-axial shafts is made from carbon-carbon composite with a female spline in a coupling bore and a male spline on the coupling outer surface. Variations of the torque carrying geometry include involute splines, circular splines, square drive, hex drives, serrations, or double-D drives. By fabricating the coupler from carbon-carbon (or carbon-graphite) composite, metallic shaft mating splines are provided with a coupler that has exceptionally high temperature capabilities (>2500 F.), high strength, and can be impregnated with graphite or other dry lubricants to reduce frictional heat generation and reduce spline wear.

Abstract: An annular support ring 32 is fitted onto the outer periphery of each trunnion 22. This support ring 32 and the roller 34 are unitized via a plurality of needle rollers 36 to constitute a roller assembly capable of relative rotations therebetween. In longitudinal section, each trunnion 22 has an outer periphery of straight shape, parallel to the axis of the trunnion 22. In cross section, the trunnion 22 has a generally ellipse shape with the major axis orthogonal to the axis of the joint. The inner periphery of each support ring 32 is arcuate and convex in section. This combines with the general elliptic cross sections of the trunnions 22 and the provision of predetermined clearances between the trunnions 22 and the support rings 32, to allow the support rings 32 to move along the axial directions of the trunnions 22 as well as make tilting movements with respect to the trunnions 22.

Abstract: A joint for the angularly movable connection of two shafts with one another has flanges which are arranged on the shaft ends. Each of the flanges has three axially projecting driving pins which are connected with a hexagonal, elastically deformable joint ring. The joint ring, in turn, is formed in several parts by a collar of chain-link-type driving loops which can be swivelled on sockets at the corner points of the joint ring. For relieving the driving loops, one linear compression bar is also arranged in the interior of each driving loop. The compression bar has faces placed onto the sockets while transmitting force under load. The effective length of the compression bars is dimensioned such that the bars fill the clear space between two adjacent sockets only with play. The play is large enough so that the compression bars are placed in contact only after a defined basic load has been exceeded so that as the result of the load, the driving loops are elastically stretched to a defined degree.

Abstract: A cardan-type joint has flanges which are arranged on mutually facing shaft ends and preferably have three axially projecting driving pins, respectively, which are mutually staggered and uniformly arranged on the circumference of a common graduated circle. The driving pins are connected with one another in a torsion-proof manner by a flexible joint ring which is provided in corner points with sockets for the driving pins. The multi-part joint ring is formed by a collar of several oval driving loops. Each of the driving loops winds around two adjacent sockets. In order to easily permit relatively large bending angles during rotation, even in the event of a high mechanical and thermal loading of the cardan-type joint, the oval driving loops are indirectly or directly swivellably disposed on the driving pins by a pair of contact surfaces which are round in a meridian section in an axially slidable manner on the socket or on the driving loop.

Abstract: A stern tube bearing system for contra-rotating ship's propellers with concentric shafts is configured such that the oil feed to the bearing for the inner shaft is configured so that essentially only the oil ducts located in the lower portion of the rotational path of the bearing are in communication with the oil supply to essentially supply a substantial portion of the oil flow to the lower, load bearing surfaces of the bearing.

Abstract: An ignition distributor which is driven by an engine includes a structural division between the engine block and ignition distributor and has a separable connection, which is embodied as a claw coupling. For corresponding operational parts dimensionally stable, self-lubricating and wear-resistant plastic is used at the force transfer points of the claw coupling. Thus, it is possible to operate the claw coupling in a dry-running manner which does not require an encapsulated lubrication.

Abstract: A flexible all-steel shaft coupling with two connecting flanges which are connected by a laminated spring ring arranged between them. The laminated spring ring is arranged on clamping bolts by clamping bushes and is held at a distance from the flanges by spacer collars. A washer with a low-friction coating is arranged between the laminated spring ring and each of the spacer collars. The washers prevent the upper lamellae from wrapping as a result of the rotation of the spacer collars during the bracing of the laminated spring ring, this being the cause of premature breaking of the lamellae.

Abstract: Friction drag washers for the drag assemblies of fishing reels are provided. The washers are made of a phenolic fiber material which is impregnated under vacuum with oil or an oil and STP oil additive solution. The viscosity of the oil can be changed to accommodate the general conditions of intended use of the reel (i.e. high drag setting--high speed withdrawal--low viscosity oil). The impregnation of the washer affords a self-lubricating lifetime washer which does not need to be changed during the life of the reel. The impregnated washers are easier and quicker to install since they do not need to be greased as they are installed.

Abstract: A homokinetic coupling with an inner ring contained within a groove-like ball race within the outer ring, and with a series of flattened balls therebetween for imparting rotation and transmitting forces, the balls being at least partially enclosed by a flexible annular ball cage.