Class / Patent application number | Description | Number of patent applications / Date published |
464181000 | Nonmetalic shaft or component | 22 |
20090054167 | MOLTEN METAL PUMP COMPONENTS - Improved components for a molten metal pump include a coupling for connecting a rotor shaft to a motor shaft, a rotor shaft and a rotor. The rotor shaft has a first end and a second end wherein the first end optionally has a vertical keyway formed in the outer surface of the shaft. The second end optionally has flat, shallow threads. The coupling can be one-piece or multi-piece, includes a cavity for receiving the first end of the rotor shaft and, if the first end of the rotor shaft has a keyway, the coupling includes a projection in the cavity for being received at least partially in the keyway. The rotor includes a connective portion that connects to the second end of the rotor shaft. If the second end of the rotor shaft includes flat, shallow threads, the connective portion is essentially a bore having flat, shallow threads configured to receive the second end of the rotor shaft. Optionally, the first end of the rotor shaft may have flat, shallow threads in which case the coupling would have a cavity that receives the first end of the rotor shaft, wherein the cavity has flat, shallow threads. | 02-26-2009 |
20090131181 | Filament wound composite shaft - A shaft may include a first coupling member, a second coupling member, a filament wound shaft member, and a pilot shaft. The first coupling member may couple the shaft to one of a rotationally driving and a rotationally driven component. The second coupling member may be axially spaced from the first coupling member and may couple the shaft to the other of the rotationally driving and the rotationally driven component. The filament wound shaft member may have a first end fixed to the first coupling member, a second end fixed to the second coupling member, and a body portion extending therebetween. The pilot shaft may be disposed radially within the filament wound shaft member and may extend from the first coupling member to the second coupling member. | 05-21-2009 |
20090215543 | SLIP YOKE WITH INTERNAL SPLINES HAVING PERMANENT COATING AND RELATED METHOD - A propeller shaft assembly operable to transmit torque between drive wheels and an engine of a vehicle generally includes a first cylindrical tube having a first end and a second end. A first cap is fixedly coupled to the first end. A first yoke is fixedly coupled to the first cap. Internal splines are formed within the second end of the first cylindrical tube. The internal splines define a final internal spline profile established by a permanent polyamide coating fixedly coupled to a metal substrate in the form of an oversized internal spline. The final internal spline profile defines a first layer having a first thickness made of the permanent polyamide coating and a second layer having a second thickness made of the metal substrate. The internal splines are operable to transmit the torque when external splines engage the internal splines by only contacting the first layer made of the permanent polyamide coating. | 08-27-2009 |
20100113169 | MOLD FOR MANUFACTURING COMPOSITE DRIVE SHAFT AND COMPOSITE DRIVE SHAFT MANUFACTURED USING THE MOLD - A mold for manufacturing a composite drive shaft, most of which, except for opposite ends functioning as power transmission parts, has a tubular shape with a circular cross-section similar to that of a general shaft, and the shape of each end of which is changed so as to realize easy removal of the drive shaft from the mold after molding. Further, the present invention provides a composite drive shaft, which is manufactured using the mold and is configured such that, when a connection joint (metal yoke) is assembled with each end of the drive shaft, the drive shaft can be rotated in an integrated state realized by the connection joints. Thus, the composite drive shaft of the present invention can directly transmit power, instead of a mechanical fastening jointing technique or an adhesive bonding jointing technique, thus efficiently transmitting high torque. | 05-06-2010 |
20100113170 | ENGINE SHAFT FOR A GAS-TURBINE ENGINE - A low-pressure turbine shaft ( | 05-06-2010 |
20100184521 | METHOD FOR CONTROLLING SHAFT COATING TAPER - A component of a disc drive has a coating of a predetermined length on its surface, the coating having at least two separate tapered regions applied in independent steps, the at least two separate tapered regions each having a length that is less than the predetermined length of the component surface. When the component is a shaft of a spindle motor, the ends of the shaft are masked before the tapered regions of coating are applied, and the thickness of the masks covering the shaft ends is varied to control a taper of tapered regions. | 07-22-2010 |
20120115621 | Torque Transmission Device - A torque transmission device includes a shaft, particularly a drive shaft for a drive train of a vehicle, and at least one coupling element which is connected with an end of the shaft. The shaft and the at least one coupling element each consists completely or at least partly of a fiber-reinforced plastic material. | 05-10-2012 |
20120157217 | FRP DRIVE SHAFT - An FRP drive shaft is achieved in which the joint strength between the FRP cylinder and the metal joint fixed at each end thereof can be enhanced, thereby capable of achieving a high transfer torque. The FRP drive shaft, according to the present invention, is formed by joining metal end-joints to each end of an FRP cylinder, wherein each of the metal end-joints includes a press-fitting joint having a serrated portion which is press-fitted into the FRP cylinder, and a cylindrical outer collar which is fixed to an outer periphery of the FRP cylinder, and non-circular engaging portions which are engaged with each other to transfer rotation are formed on the press-fitting joint and the cylindrical outer collar, respectively. | 06-21-2012 |
20120184383 | TRANSMISSION SHAFT FOR TRANSMITTING ROTATIONAL MOVEMENTS AND/OR FORCES, AND METHOD FOR MANUFACTURING SAID SHAFT - A transmission shaft for transmitting rotational movements including a tubular body having at least one tubular composite assembly including a plastic matrix and strengthening elements, at least one insert positioned at one end of the body and which is secured to the body in an interface area between the insert and the composite assembly, and at least one slug passing radially through the insert and the body for keeping the strengthening elements in place. The at least one insert has at least one recess receiving a part of the strengthening elements to maintain the strengthening elements in the interface area. | 07-19-2012 |
20130252749 | PROPSHAFTS AND PROPSHAFT ASSEMBLIES AND METHODS FOR FABRICATING PROPSHAFTS - Propshafts and propshaft assemblies for transferring torque in motor vehicles, and methods for fabricating such propshafts are provided. In one example, a propshaft comprises a fiber reinforced composite tube having a channel. The propshaft comprises a fiber reinforced composite tube and a splined female insert. The fiber reinforced composite tube has a channel and comprises a composite wall that is disposed around the channel. The splined female insert comprises a buried wall portion that is disposed in the channel operatively coupled to the composite wall. The buried wall portion has an inner surface and a plurality of internal splines formed along the inner surface. | 09-26-2013 |
20140051524 | COMPOSITE TUBESHAFT TO METALLIC INTERFACE - A composite tubeshaft comprising a composite substrate defined by a first surface and a second surface; and a metallic substrate having at least two teeth. The teeth of the metallic substrate engage the composite substrate such that at least one tooth is positioned over the first surface and at least one tooth is positioned over the second surface. | 02-20-2014 |
20140141894 | Shaft of a gas-turbine engine, in particular a radial shaft or a shaft arranged at an angle to the machine axis - A radial shaft of a gas-turbine engine which is made up of +/−45° layers, zero layers and +/−30° layers of carbon fiber composite and connected to load-input end pieces via sinusoidal connecting areas. | 05-22-2014 |
20140221110 | COMPOSITE TUBE FOR TORQUE AND/OR LOAD TRANSMISSIONS AND RELATED METHODS - A composite tube made from a combination fiber and epoxy is disclosed. The tube may be made by filament winding although other materials and processes are suitable. In one example, the tube laminate is a mix of axial and helical fibers tailored to meet the stiffness and strength requirements of the particular application. Fibers having a different modulus may also be mixed to meet axial and torsional stiffness requirements. For example, high modulus fibers may be used in a helical pattern to handle high torque loads while lower modulus fibers may be used for the remaining portion of the tube laminate. The composite tube may be used for load and/or torque bearing applications and can include a support tube pressed fit into an end of the tube. | 08-07-2014 |
20140302939 | ENERGY-ABSORBING DEFORMABLE TUBE - An energy-absorbing deformable tube having a first end, a second end, and a reduced portion there between, a proximate tube portion between the reduced portion and the first end and a distal tube portion between the reduced portion and the second end, where a first cross section dimension in the reduced portion is smaller than a corresponding second cross section dimension in the proximal tube portion, distal tube portion, or both, and a cover spanning the reduced portion connected to the proximal tube portion and the distal tube portion, the cover provided over at least a portion of the reduced portion, the distal tube portion or the proximal tube portion or both moves relative to the cover after the deformable tube receives an axial force exceeding a predetermined threshold value. | 10-09-2014 |
20150105165 | Hybrid Shaft for Motor Vehicles - A hybrid shaft is provided, particularly a hybrid shaft for a vehicle, for transmitting a torque. The hybrid shaft includes a hollow shaft made of metal, wherein the hollow shaft has at least one reinforcement layer made of fiber-reinforced plastic on an outer surface of the hollow shaft in at least one reinforcement section. The hollow shaft has an external diameter varying in a longitudinal direction of the hollow shaft inside the at least one reinforcement section. | 04-16-2015 |
20150126293 | DRIVE SHAFT ASSEMBLY HAVING A FLEXIBLE, FLOCKED DRIVE SHAFT, AND METHOD FOR ITS MANUFACTURE - The present invention relates in particular to a drive shaft assembly, e.g. as part of a rail adjustment system for a vehicle seat, with a flexible drive shaft for transferring an adjustment force, wherein the drive shaft has central part extending between the two shaft ends of the drive shaft, and the drive shaft is located with its central part at least partially in an elongate guide of the drive shaft assembly. At the central part of the drive shaft several sections arranged in the guide are provided with directly applied flock fibers, in a flocking process on a lateral surface of the drive shaft, which are spaced from each other along a shaft axis of the drive shaft and at which an outer diameter of the drive shaft is enlarged locally with regard to sections abutting these. | 05-07-2015 |
20150314557 | REINFORCEMENT INTEGRATED INTO THE STRUCTURE OF WOUND COMPONENTS CONSISTING OF COMPOSITE MATERIALS - The invention relates to a component ( | 11-05-2015 |
20150345540 | Hybrid Drive Shaft Using Friction-Stir Welding and Fabrication Method Thereof - The present invention relates to a hybrid drive shaft using friction-stir welding and a fabrication method thereof, and more particularly to a drive shaft comprising a metal tube, a composite material layer formed inside the metal tube, and a metal yoke connected to both ends of the drive shaft by means of friction-stir welding so as to make the components simple and lightweight and to enhance the durability, and a fabrication method thereof. The fabrication method comprises the steps of: shaping a composite material sheet; bonding the cylindrical composite material layer to the inside of a metal tube; maintaining the inside of the metal tube in a vacuum state for a given duration; heating the metal tube maintained in the vacuum state in an autoclave; and adjoining a connection member for connecting other parts to the ends of the metal tube. | 12-03-2015 |
20150345541 | REINFORCEMENT INTEGRATED INTO THE STRUCTURE OF WOUND COMPONENTS CONSISTING OF COMPOSITE MATERIALS AND METHOD FOR PRODUCING SAME - A component is provided with a fiber-reinforced composite area made of fiber-reinforced composite materials, comprising one or more normal areas and one or more reinforcement areas with one or more connection surfaces that are provided for purposes of connection to an appertaining force-transmission component for the introduction of a force into the component. In the normal area, the one or more fibers(s) are arranged at a first mean fiber angle relative to the direction of the introduction of force. In the reinforcement area, they are arranged at least partially at a second mean fiber angle relative to the direction of the introduction of force, and the second mean fiber angle is smaller thirst mean fiber angle. As a result, a component is put forward that has space-saving reinforced areas in order to compensate for the loads exerted on the component during operation resulting in a long service life. | 12-03-2015 |
20150377282 | IMPROVED METHOD FOR PRODUCING A TRANSMISSION SHAFT, PREFERABLY FOR AN ACCESSORY BOX SYSTEM OF AN AIRCRAFT TURBOMACHINE - A method for producing by pultrusion a hollow main body of a rotary movement transmission shaft made of a composite material, the method including: impregnating a reinforcement; arranging a reinforcing fabric around a pultrusion chuck to wrap the pultrusion chuck, the fabric including circumferential fibers arranged in planes orthogonal to a longitudinal axis of the chuck; and then depositing the impregnated reinforcement around the reinforcing fabric. | 12-31-2015 |
20160096356 | SPINDLE ASSSEMBLY - This disclosure relates to a spindle assembly comprising: a spindle; and a spindle cover thereon, wherein the spindle cover has a wall thickness (T) in a range from about 1 mm to about 10 mm, and wherein the spindle cover comprises a non-thermoplastic polyimide. | 04-07-2016 |
20160123376 | TELESCOPIC DRIVE SHAFT - A drive shaft having at least one outer shaft section having a hollow end section and at least one inner shaft section which penetrates along a first penetrating depth into the hollow end section of the outer shaft section, is disclosed. The shaft sections are connected firmly to a contact surface between an outer wall of the inner shaft section and an inner wall of the outer shaft section along the first penetrating depth. The firm connection has a longitudinal axis load-bearing capability which is lower than a predefined buckling force which leads to the buckling of the shaft sections in the case of longitudinal axis loading of the drive shaft. In the case of application of an axial force which is greater than the buckling force, the inner shaft section can penetrate more deeply than the first penetrating depth into the hollow end of the outer shaft section. | 05-05-2016 |