Class / Patent application number | Description | Number of patent applications / Date published |
464183000 | Hollow or layered shaft | 31 |
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 |
20080318694 | Automatic transmission and shaft system therefor - A shaft system for an automatic transmission includes a stator support shaft having an internal axial bore for receiving an input shaft, a forward engagement portion for engaging a stator of a torque converter of the automatic transmission and an integral stator support flange extending radially outward for engaging a stator support of the automatic transmission and transferring to the stator support substantially all of a torque load imposed on the stator support shaft by the stator. The stator support flange includes at least one oil flow bore positioned therein to supply oil between different components of the transmission. | 12-25-2008 |
20090005184 | Shaft for transmitting rotational movements and/or forces - This shaft comprises firstly a tube made of a composite material having a plastic matrix and secondly a metallic tubular insert arranged fixedly around a longitudinal portion of the tube and designed to link the tube mechanically to a functional mechanical assembly which is supported by the insert and is for instance a pin. To significantly improve the mechanical performance of this shaft in torsion, the insert has in cross section a noncircular inner profile, for example an oblong shape, to which the outer surface of the tube is adapted in a substantially complementary manner. | 01-01-2009 |
20090023506 | Induction hardened hollow driving shaft - The present invention provides an induction-hardened hollow driving shaft that comprises, as a raw material, a steel pipe that contains, by mass %, 0.30 to 0.47% C, 0.5% or less Si, 0.3 to 2.0% Mn, 0.018% or less P, 0.015% or less S, 0.15 to 1.0% Cr, 0.001 to 0.05% Al, 0.005 to 0.05% Ti, 0.004% or less Ca, 0.01% or less N, 0.0005 to 0.005% B and 0.0050% or less O (oxygen) and the balance Fe and impurities and of which Beff defined by an equation (a) or (b) below is 0.0001 or more, wherein a prior austenite grain size number (JIS G0551) after the hardening is 9 or more. Here, in the case of Neff=N−14×Ti/47.9≧0, Beff=B×10.8×(N−14×Ti/47.9)/14 . . . (a), and, in other cases, Beff=B . . . (b). According to the present invention, a hollow driving shaft that is simultaneously provided with excellent cold workability, hardenability, toughness and torsional fatigue strength and can exert stable fatigue lifetime can be obtained and can be widely utilized. | 01-22-2009 |
20090082117 | HOLLOW POWER TRANSMISSION SHAFT AND METHOD OF MANUFACTURING THE SAME - Provided is a method of manufacturing a hollow power transmission shaft, which makes it possible to ensure stable quality even when there is a difference in wall thickness or hardening ratio along an axial direction thereof. A hollow shaft material ( | 03-26-2009 |
20090137327 | Shaft apparatus with bearing - Blocks and inner rings of rolling bearings are arranged on the outer surface of a hollow shaft at predetermined intervals in the axial direction thereof. The outer surface of the hollow shaft is plastically deformed in its diameter enlarging direction so as to be press-fit to the inner surface of the blocks and inner surface of the inner rings of the rolling bearings. In this state, the blocks and inner rings of the rolling bearings are fixed to the outer surface of the hollow shaft. | 05-28-2009 |
20090305797 | METHOD FOR FORMING HOLLOW PROFILES - A method for forming hollow profiles is disclosed. In one exemplary method, a hollow profile is guided through a die in a processing direction and fixed by a mandrel such that at the die, the hollow profile has a material flow velocity in this processing direction ( | 12-10-2009 |
20090312110 | METHOD FOR THE PRODUCTION OF A ROTATIONALLY SYMMETRICAL PART, AND PART PRODUCED ACCORDING TO SAID METHOD - A method for producing a rotationally symmetrical hollow metal part, particularly a shaft. According to the method, bar-shaped ductile solid matrial is provided, the solid material is heated from about 300° C. below the forging temperature to the forging temperature, the solid material is transversally spline-rolled until weakenings are created in the core zone ( | 12-17-2009 |
20100009765 | STRUCTURE FOR SUPPORTING A SLEEVE MEMBER IN AUTOMATIC TRANSMISSION - A sleeve supporting structure for an automatic transmission having an input shaft and an oil pump with an inner gear, the sleeve supporting structure including a sleeve member that is supported at at least two portions thereof in an axial direction of the sleeve member and configured to transmit rotation of the input shaft to the inner gear and drive the oil pump, an outer member that is disposed on a radial outside of the sleeve member, and an elastic member that is disposed on the sleeve member, the elastic member being disposed in a predetermined position in the axial direction of the sleeve member in which an amplitude of vibration of the sleeve member becomes maximum when a vibrating force is applied to the sleeve member from the inner gear, the elastic member being opposed to the outer member in the predetermined position. | 01-14-2010 |
20100029399 | ROTOR SHAFT FOR A WIND ENERGY PLANT AND WIND ENERGY PLANT - The invention is related to a rotor shaft for a wind energy plant, wherein the rotor shaft is at least partially hollow, comprising a line pipe, extending in the interior of the rotating rotor shaft and being stationary and accommodating electric lines, a transmission device, arranged at least partially in the rotor shaft, for the electric connection between a stationary nacelle and a rotating rotor of the wind energy plant, wherein the transmission device features a first body, stationary and connected to the line pipe, and a second body rotating with the rotor shaft, and wherein there is an electric sliding contact between the first and the second body, a casing surrounding the transmission device and formed separately from the second body, which is connected to the rotor shaft and/or adapted to be connected to a rotor hub of the wind energy plant, and which rotates with the rotor shaft, and a torque transmitting connection between the casing and the second body of the transmission device. | 02-04-2010 |
20100113171 | ENGINE SHAFT IN THE FORM OF A FIBER-COMPOSITE PLASTIC TUBE WITH METALLIC DRIVING AND DRIVEN PROTRUSIONS - On a low-pressure turbine shaft made of fiber-composite material, the connection to the metallic driven protrusion or the driving protrusion ( | 05-06-2010 |
20100240465 | SHAFT ARRANGEMENT FOR A TRANSMISSION - A shaft arrangement for a transmission comprises a shaft having an axial bore into which oil can be introduced via an oil supply system, at least one loose wheel which is rotatably supported on the shaft via a bearing, and a shift clutch arrangement which is arranged for connecting the loose wheel with the shaft in a rotationally fixed manner. The shift clutch arrangement comprises a guide sleeve which is connected with the shaft via a tooth engagement in a rotationally fixed manner. The axial bore is connected via at least one transversal bore with the outer circumference of the shaft, so as to supply oil to the bearing and to the shift clutch arrangement. The transversal bore is arranged in an area of the tooth engagement between the guide sleeve and the shaft. A channel is provided in at least one of an area of a toothing of the guide sleeve and an area of the toothing of the shaft, which, together with the guide sleeve toothing, forms the tooth engagement. The channel connects the transversal bore with an area between the guide sleeve and the bearing. | 09-23-2010 |
20110124421 | METHOD FOR PRODUCING A TUBULAR DRIVE SHAFT, IN PARTICULAR A CARDAN SHAFT FOR A MOTOR VEHICLE - A method for producing a tubular drive shaft is described, comprising a first section with a first diameter and a second section with a second diameter, said second diameter being smaller than the first diameter, and a transition section in which a diameter of said drive shaft diminishes from the first diameter to the second diameter and which is provided with an annular bead which coaxially surrounds a longitudinal axis of said drive shaft, and in the process of which method, a tube with the first diameter is reshaped and reduced in diameter to form the second section and the transition section. | 05-26-2011 |
20110124422 | FLUID TRANSFER TUBE - A torque-transfer assembly includes a fluid transfer tube located within a bore of a shaft. The fluid transfer tube seals to the shaft and includes at least one fluid groove that communicates between a plurality of fluid ports located in the shaft. The fluid groove is defined by an outer surface of the fluid transfer tube. | 05-26-2011 |
20110263341 | TRANSMISSION INPUT SHAFT BLADE - A flat blade for a transmission input shaft includes a substantially rectangular body portion for insertion in a center bore of the input shaft and at least one radial blade segment extending from the body portion. The radial blade segment is arranged for assembly proximate a distal end of the input shaft and for extending radially beyond the center bore. In an example embodiment, the radial blade segment is substantially rectangular in shape. In an example embodiment, the radial blade segment is a pair of radial blade segments extending in opposing directions. In an example embodiment, the body portion is arranged for press-fitting into the center bore. | 10-27-2011 |
20110312427 | SHAFT BODY COMPRISING AN INTEGRATED OIL SEPARATOR UNIT - The invention relates to a shaft body ( | 12-22-2011 |
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 of the rotor shaft remains vertically aligned throughout the entire production method of welding together the shaft parts. In this manner, the required production time can be advantageously reduced and the use of welding filler can be effectively decreased. | 04-12-2012 |
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 | 04-19-2012 |
20120258808 | HOLLOW SHAFT - A hollow shaft | 10-11-2012 |
20130072313 | TUNED PROPELLER SHAFT, VEHICLE CONTAINING THE SAME, AND METHOD OF REDUCING NOISE IN A VEHICLE DRIVELINE - A driveshaft assembly that reduces noise created by a vehicle driveline. The driveshaft assembly includes a shaft having a first end section, a second end section, and a midsection positioned between the first end section and the second end section. The first end section and the second end section have a first diameter D | 03-21-2013 |
20130079166 | HOLLOW TRANSMISSION SHAFT - The invention discloses a hollow drive shaft which may include a hollow steel pipe, a mandrel set at the center of the hollow steel pipe in an axially direction, and a spiral rib plate set between the hollow steel pipe and the mandrel. The major diameter end surface of the spiral rib plate is spirally welded on the inner diameter surface of the wall of the hollow steel pipe. The minor diameter end surface of the spiral rib plate is welded on the outer diameter surface of the mandrel. The helix angle of the spiral rib plate is 10 to 45 degrees. The direction of the helix angle of the spiral rib plate is opposite to the delivery direction of a working torque M. According to the present invention, the thickness of the wall and the weight of the drive shaft is reduced, and manufacturing costs are also reduced. The anti-bending and anti-torsional performances of the drive shaft are improved. Therefore, the technical problem of enabling the drive shaft to deliver large torque is solved. It also provides a guarantee for promoting the use of large-scale vertical axis wind power generating apparatus. The technical scheme can be applied to various types of ship propeller power transmission, power transmission of large-scale transport vehicles, as well as various high-power torque power transmission. | 03-28-2013 |
20130196780 | SHAFT AND POST TENSIONING DEVICE - A system for applying tension to a component for use in molten metal processing. Preferably, the component includes an outer core and at least one tension rod positioned partially within the outer core. The component is preferably elongated, such as a support post or an impeller shaft. The tension rod applies compression to the outer cover, which makes the outer cover more resistant to breakage if it strikes, or is stricken by, an object. | 08-01-2013 |
20140018178 | Aluminum Alloy Propeller Shaft and Friction Welding Process Thereof - An aluminum alloy propeller shaft including a tube made of an aluminum alloy, and a pair of yoke members made of an aluminum alloy, the yoke members including cylindrical base portions friction-welded to opposite end portions of the tube, each of the yoke members including a tip end portion having a pair of bearing retaining holes aligned with each other in a radial direction of the base portion. Variation in length between a central axis of the bearing retaining holes in one of the yoke members and a central axis of the bearing retaining holes in the other yoke member with respect to a reference length is set within a range of from +2.0 mm to −2.0 mm. A friction welding process of producing an aluminum alloy propeller shaft, including a friction step, a position displacement detection step, a rotation stop step and an upset step. | 01-16-2014 |
20140128168 | HYDROFORMED DRIVESHAFT TUBE WITH SECONDARY SHAPE - A hydroformed driveshaft tube formed using a hydroforming process is provided. The hydroformed driveshaft tube comprises a first end portion, a second end portion, and a middle portion. The middle portion is at least partially defined by a circular arc shaped surface of revolution. At least a portion of the middle portion has a diameter greater than a diameter of the first end portion and the second end portion. The middle portion is formed between the first end portion and the second end portion. The middle portion affects a critical speed and a breathing mode frequency of the hydroformed driveshaft tube. The hydroformed driveshaft tube reduces a cost of a driveshaft assembly. | 05-08-2014 |
20140135134 | TURBINE ENGINE DRIVE SHAFT DEVICE - A vaned wheel device traversed by a radial drive shaft includes radial arms, one of which contains the shaft, and stationary vanes manufactured separately from the casing and a ferrule and assembled thereto. A sleeve encompassing the shaft traverses the casing and serves to support a bearing for supporting the shaft with positional accuracy, and maintaining tightness by forming a single cavity with the radial arm cavities traversing the shaft. | 05-15-2014 |
20140179450 | METHOD OF MANUFACTURING A SHAFT FOR A PNEUMATIC TOOL AND SHAFT MADE BY THE SAME - A method of manufacturing a shaft of a pneumatic tool has steps of casting, friction welding and processing. In the step of casting, a hollow section of a first segment and a second segment are respectively prepared. In the step of friction welding, the second segment is connected with a second end surface of the hollow section of the first segment by a friction welding process to form a work-in-process shaft. In the step of processing, an outer surface of the work-in-process shaft is processed to form a shaft. The hollow section is casted to form through holes therein. Accordingly, the weight of the shaft is reduced, the shaft becomes light and the material cost of the shaft is diminished. | 06-26-2014 |
20150111653 | PROPELLER SHAFT FOR VEHICLE - A propeller shaft for a vehicle includes: a shaft having a plurality of catching protrusions for a spline-connection along an outer peripheral surface; a tube having a plurality of catching grooves along an inner peripheral surface into which the shaft is inserted; a stopper member provided to be fixed to an inner peripheral surface of the tube, one end corresponding to a remote end of the shaft and which is fractured when a collision load is applied thereto; and a locking member one end of which is in contact with one end of the stopper member and which is connected to the shaft and supports both ends of the stopper member together with the shaft, thereby restricting a sliding of the shaft, and which is slid inside the tube together with the shaft when the stopper member is fractured. | 04-23-2015 |
20160001351 | HOLLOW DRIVE SHAFT WITH FLANGE AND METHOD FOR THE PRODUCTION THEREOF - A method for producing a tubular, hollow drive shaft, in particular a cardan shaft, from a pre-tube, in particular a longitudinally welded, normalized steel tube, which is extended by having the wall thickness thereof reduced at least sectionally by way of single or multiple ironing or another cold forming operation and/or by having the inner diameter and/or outer diameter thereof changed, wherein at least one pre-tube end or shaft end is configured into a flange that is integrated in one piece by to way of cold forming. | 01-07-2016 |
20160025143 | BEARING ASSEMBLY HAVING SPLINE CUTTING INNER RACE - A bearing assembly for a motor vehicle drive train is provided. The bearing assembly includes rolling elements, an outer race supporting the rolling elements, and an inner race rotatably supported by the rolling elements. The inner race includes a radially inner surface having a plurality of axially extending splines. The radially inner surface includes a primary chip groove formed therein that is defined by a primary cutting edge for spline cutting a mating shaft inserted into the radially inner surface. The radially inner surface further includes a secondary chip groove formed therein axially offset from the primary chip groove that is defined by a second cutting edge for spline cutting the shaft inserted into the radially inner surface. | 01-28-2016 |
20160146244 | VARIABLE SHAFT FOR HYDRAULIC UNIT - A variable shaft of a hydraulic unit is provided including a body having a first end and a second opposite end. A first flange and a substantially identical second flange are integrally formed with the body of the shaft adjacent the second end. The first flange and the second flange each have an axial length parallel to a longitudinal axis of the body of about 0.085±0.010 inches (0.216±0.0254 cm). The first flange and the second flange have an outer diameter of 1.359 inches (3.452 cm). The first flange and the second flange are separated by from one another by a distance of about 0.3162 inches (0.8031 cm). A portion of the body between the first flange and the second flange has an outer diameter of about 1.2013 inches (3.051 cm). | 05-26-2016 |
20170232171 | CATHETER PUMP ARRANGEMENT AND FLEXIBLE SHAFT ARRANGEMENT HAVING A CORE | 08-17-2017 |