Dana Automotive Systems Group, LLC Patent applications |
Patent application number | Title | Published |
20160114437 | A METHOD OF JOINING WORKPIECES - A method of joining workpieces includes locating first ends of two first workpieces in a moveable part coupling portion. The lengths of the first workpieces are measured. Any difference in length between the first workpieces is determined. Two additional workpieces are located adjacent the first ends of the first workpieces based on the determined difference in length. The first workpieces are connected to the second workpieces. | 04-28-2016 |
20160033037 | PARKING LOCK MECHANISM FOR A TRANSMISSION - A parking lock mechanism having a motor, an actuation shaft, an engagement cam, a release cam, a cam biasing member, a pawl member and a lock gear. The engagement cam has a first side, a second side and a perforation there through. An outer edge of the engagement cam has a contact portion and an engagement portion. The release cam has a first side, a second side and a perforation there through. An outer edge of the release cam has a release member and an engagement portion. The cam biasing member has a first end, a coil portion and a second end. The pawl member has a pivot perforation, an engagement end, a locking protuberance and a sensor protuberance. The pawl member is disposed adjacent the engagement cam and the release cam. The lock gear has a plurality of inner splines and outer teeth. | 02-04-2016 |
20140357384 | SPACER FOR A DRIVESHAFT ASSEMBLY - A driveshaft assembly having a tubular shaft, an end component, and an annular anti-fretting spacer is disclosed. The tubular shaft has a first receiving end portion with an opening and an inner diameter, a center portion with an inner diameter, and an interior with an inner surface. The driveshaft end component has an insert end portion and an attachment end portion. The spacer has a first outer diameter that is substantially equal to the receiving end portion inner diameter, a second outer diameter, and an outer surface. At least a portion of the outer surface contacts the shaft inner surface and the spacer is disposed on the insert end portion of the driveshaft end component and the insert end portion, including the spacer, is disposed within the receiving end portion-with an interference fit, and the shaft is rigidly coupled to the driveshaft end component. | 12-04-2014 |
20140256456 | SLIP YOKE ASSEMBLY - A slip yoke assembly including a slip yoke having a long bore extending between a first end and a second end and a counterbore at the second end of the long bore. The counterbore has a first wall which defines a first diameter which is greater than a major diameter of the long bore. An annular groove is positioned between the long bore and the first diameter. A sealing member is disposed within the annular groove. The slip yoke assembly also includes a plug disposed within the counterbore and over the sealing member. The plug is secured to the slip yoke by a lip formed over the plug. | 09-11-2014 |
20140141895 | INNER RACE AND BOOT SLEEVE - An inner race and boot sleeve combination is provided. The inner race has an inner surface with a groove formed therein. The boot sleeve has a groove in an outer surface. A ring is located in both grooves to axially secure the inner race and boot sleeve together. Devices to prevent relatively rotation between the inner race and the boot sleeve are also provided. | 05-22-2014 |
20140127423 | METHOD FOR PREVENTING CORROSION BETWEEN TWO WORKPIECES - A method for protecting joined workpieces from salt or other environmental hazards is described. The method may include joining an end fitting into a driveshaft tube which results in a gap between the two. The gap may be cleaned and dried before a moisture protecting urethane coating is applied. A urethane coating may be sprayed on as the joined end fitting and tube are rotated together. The coating penetrates into the gap and extends laterally beyond the gap and is subsequently cured with an ultraviolet light source. | 05-08-2014 |
20140125024 | TIE ROD TUBE ASSEMBLY AND METHOD OF FORMING BY MAGNETIC PULSE WELDING - A method of forming a tie rod tube assembly by magnetic pulse welding is provided. The method can be used to form tie rod assemblies with a tie rod tube centerpiece that is parabolic in shape. In addition, the method can be used to form a tie rod assembly where the end fittings and centerpiece are made from different materials. Also described is a tie rod assembly manufactured using the method or methods of the invention. | 05-08-2014 |
20140124464 | RACK AND METHOD OF USE - Described herein is an improved rack for efficient and safe storage and transport of cylindrical or near cylindrical product. The rack may be rectangular or square in shape and consist of a base with uprights, which may form the base rails on the sides of the rack, and side end rails. The base includes openings at predetermined intervals on its short sides and on its long sides to accept tines from a fork lift. The base further includes stringers and ribs. The stringers support cradles having two L-shaped sections which extend the length of the cradle. The base of the cradle includes teeth that engage with one or more ribs to allow the cradle to selectively lock into a predetermined position in the rack. The cradle base portion includes a cradle upper portion which may define product support sections. The product support sections are designed to support a cylindrical or near cylindrical product such as drive shaft tubes or tie rods for vehicles. | 05-08-2014 |
20140124075 | TUBE PROFILE MACHINING PROCESS - In a first embodiment, at a time of magnetic pulse welding, a stepped tube profile machining process axially bores a walled tube from an end inward to a transition depth to form a section with a reduced wall thickness and then axially bores the walled tube from the transition depth to a fall off depth, thereby forming a section with a maximized welding wall section. In a second embodiment, also at a time of magnetic pulse welding, a surface angle tube profile machining process axially bores at a surface angle a walled tube from an end to a bore length to form an angular welding wall thickness inward to a maximized wall section. For both embodiments, the bored surfaces are virgin with no pits, oil, residue, or oxidation thereon, thus making the machined walled tubes available for immediate magnetic pulse welding. | 05-08-2014 |
20130244798 | SHAFT ASSEMBLY FOR A CONSTANT VELOCITY JOINT - A shaft assembly is provided. The shaft assembly includes a first shaft. The first shaft has a first annular crest and a second annular crest. The first annular crest and the second annular crest are separated by an inclined surface. The second annular crest includes an axially extending surface attached to an end of the inclined surface. A boot is secured to the shaft. The boot includes a channel and a diaphragm portion disposed adjacent an end of the channel. The channel includes an inlet portion, a partially helical portion, and an outlet portion formed in an inner surface of the boot. The diaphragm portion is provided over the inclined surface and includes a lip which contacts the second annular crest. | 09-19-2013 |
20130236244 | Magnetic Pulse Formed Vehicle Driveshaft and Method of Making Same - A method of forming a sliding spline-type joint using magnetic pulse forming technology includes providing a female driveshaft member and a splined insert having inwardly formed splines. A male driveshaft member is provided having outwardly formed splines engageable with the insert. A mandrel is provided having outer ribs similar to the outer spline profile of the male driveshaft member. An inductor is provided which is energized to create a pulse magnetic field. The insert is placed over the mandrel. The female driveshaft member is disposed over the insert, and both are placed inside the inductor. The inductor is energized to deform a portion of the female driveshaft member over the insert to form an array of crimps for permanently connecting the female driveshaft member with the insert. The male driveshaft member is engaged into the insert to provide a sliding spline-type of slip joint. | 09-12-2013 |
20130165241 | TUBE YOKE FOR A DRIVESHAFT ASSEMBLY - A tube yoke for a driveshaft assembly is provided. The tube yoke includes a tube seat ( | 06-27-2013 |
20130143678 | Slip Joint and Method for Assembling the Same - A slip joint comprising, a female portion comprised of four axially extending segments. The segments together create an outer perimeter. Each of the combined segments together form an inner surface of the female portion and each has its own ball tracks extending substantially the length of the female portion. A unitary male portion has an outer surface defined by a plurality of axially extending ball tracks. A unitary cage is located radially outward from the male portion and radially inward from the female portion. The cage has a plurality of ball apertures with balls located in the ball apertures. The balls are in contact with both the ball tracks in the male and female portions for selective movement of the male portion with respect to the female portion. A tube member is in direct radial outer contact substantially entirely along the outer perimeter of the female portion. | 06-06-2013 |
20130134152 | Method of Securing a Shaft to a Constant Velocity Joint - A constant velocity joint assembly and a method of securing a shaft to the assembly are described. The assembly may have an outer race with a first portion having a plurality of grooves and a second portion that extends from the first portion and is substantially parallel to the shaft. The method of securing the shaft to the assembly includes the step of magnetically pulse welding the shaft to the outer race. | 05-30-2013 |
20130119628 | VEHICLE KNUCKLE WITH BOLT-ON STEER ARM - A vehicle steering knuckle has an inward contact surface that is attached to a vehicle steer arm that has an outward contact surface, by way of at least one bolt extending through aligned holes in the knuckle and into the steer arm. The bolt connects the knuckle to the steer arm, from a side of the knuckle that is opposite the steer arm. Thereby, the vehicle steering knuckle and vehicle steer arm come in contact with each other at the contact surfaces by tightening the bolt. The steer arm may have a ball bearing, dowel pin, protrusions, or cut-out extending into or out of the vehicle steering knuckle or vehicle steer arm at the contact surfaces. | 05-16-2013 |
20130106065 | Multi-Layer Inserts for Gaskets | 05-02-2013 |
20130106063 | Multi-Layer Inserts for Gaskets | 05-02-2013 |
20130093181 | Stacked Washer Slip Joint Seal - Slip joint having a stacked washer seal, a male part and a female part. The female part has a small and a large inner diameter. The male part has substantially constant inner and outer diameters and a ring on the outer diameter. A gap is located between the male and female part. At least two washers and a flat shim are located in the gap. Each washer and flat shim has a first side, a second side, a first end and a second end. The first side of a first washer abuts an end of the male part. A second side of the washer contacts a first side of a flat shim. The second side of the shim contacts the first side of a second washer. The second side of the second washer contacts a first side of a second flat shim or an end of the female part. | 04-18-2013 |
20130086961 | Magnetic Pulse Welding and Forming for Plates - A method of welding two workpieces together is described. A conductor in electrical communication with a pulse circuit is provided. A portion of the second workpiece is located adjacent the conductor. The two workpieces are also located together. A portion, or all, of one workpiece is welded to the other by applying a pulse current to one of the workpieces. A method of forming a workpiece is disclosed using a pulse current to move the workpiece into a desired shape. | 04-11-2013 |
20120325030 | Power Transfer Unit for All-Wheel Drive Vehicles - A power transfer unit for a vehicle is provided having a transfer sleeve, a flanged ring gear, an output shaft, and a clutching assembly. The transfer sleeve, the flanged ring gear, and the clutching assembly are disposed in a housing about an axle shaft connected to a center differential. The transfer sleeve is drivingly engaged with a carrier of the center differential and the flanged ring gear is disposed about the transfer sleeve and drivingly engaged with the output shaft. The clutching assembly includes a locking collar and a clutch. The clutch may be engaged to transfer torque through the transfer sleeve to the output shaft through the flanged ring gear and the locking collar may be engaged to drivingly engage the transfer sleeve with the output shaft through the flanged ring gear. | 12-27-2012 |
20120283030 | DOUBLE OFFSET CONSTANT VELOCITY JOINT - A double offset constant velocity joint is provided. The constant velocity joint includes an outer element, an inner element, an annular element, and a plurality of torque transferring elements. The annular element has a first spherical outer surface, a second spherical outer surface, a spherical inner surface, and a plurality of perforations formed therethrough. The first spherical outer surface and the spherical inner surface have a center common with a spherical outer surface of the inner element. The second spherical outer surface has a center different from a joint pivot point and the first spherical outer surface. The second spherical outer surface has a diameter complementary to a diameter of the inner surface of the outer element. The annular element is disposed between the inner element and the outer element. | 11-08-2012 |
20120139189 | Exhaust Manifold Gasket - An exhaust manifold gasket assembly having at least two layers and a series of tabs and recesses. The gasket has a first outer layer with an outer surface, an inner surface, two bolt hole flanges, a central aperture, and internal square cut-outs. The surfaces are bounded by an outer perimeter portion, with foldable tabs. A first inner layer and a second inner layer each with an outer surface, an inner surface, two bolt hole flanges, a central aperture, and pairs of internal slits. The surfaces are surfaces bounded by an outer perimeter portion, with locator tabs. Each inner layer has a bead circumferentially around the central aperture. A second outer layer may be provided having an outer surface, an inner surface, two bolt hole flanges, a central aperture, and internal square cut-outs. The surfaces are bounded by an outer perimeter portion, with recesses. | 06-07-2012 |
20120139188 | Exhaust Manifold Gasket - An exhaust manifold gasket assembly having at least two layers and a series of tabs and slots. The gasket has a first outer layer with an outer surface, an inner surface, two bolt hole flanges, and a central aperture. The surfaces are bounded by an outer perimeter portion, with foldable tabs. A first inner layer and a second inner layer each with an outer surface, an inner surface, two bolt hole flanges, a central aperture, and internal slots. The surfaces are bounded by an outer perimeter portion with locator tabs. Each inner layer has a bead circumferentially extending around the central aperture. A second outer layer may be provided having an outer surface, an inner surface, two bolt hole flanges, a central aperture, and internal slots. The surfaces are bounded by an outer perimeter portion. | 06-07-2012 |
20120139187 | Exhaust Manifold Gasket - An exhaust manifold gasket having at least two layers and a series of tabs and recesses. The gasket has a first outer layer and a second outer layer each with an outer surface, an inner surface, two bolt hole flanges, and a central aperture. The surfaces are bounded by an outer perimeter portion, with locator tabs and recesses. A first inner layer having an outer surface, an inner surface, two bolt hole flanges, and a central aperture. The surfaces are bounded by an outer perimeter portion with two sets of foldable tabs. The first inner layer also has a bead circumferentially around the central aperture. A second inner layer may be provided having an outer surface, an inner surface, two bolt hole flanges, and a central aperture. The surfaces are bounded by an outer perimeter portion with foldable tabs and recesses, and a bead circumferentially around the central aperture. | 06-07-2012 |
20120071250 | Spacer for a Driveshaft Assembly - A driveshaft assembly having a tubular shaft, an end component, and an annular anti-fretting spacer is disclosed. The tubular shaft has a first receiving end portion with an opening and an inner diameter, a center portion with an inner diameter, and an interior with an inner surface. The driveshaft end component has an insert end portion and an attachment end portion. The spacer has a first outer diameter that is substantially equal to the receiving end portion inner diameter, a second outer diameter, and an outer surface. At least a portion of the outer surface contacts the shaft inner surface and the spacer is disposed on the insert end portion of the driveshaft end component and the insert end portion, including the spacer, is disposed within the receiving end portion with an interference fit, and the shaft is rigidly coupled to the driveshaft end component. | 03-22-2012 |
20100011581 | METHOD OF MANUFACTURING A VEHICLE FRAME ASSEMBLY - A vehicular frame assembly is manufactured by initially providing a vehicular frame assembly that is formed from a plurality of structural members, each having an inherent torsional rigidity. Then, a desired inherent torsional rigidity can be determined for at least one of the plurality of structural members. Lastly, the at least one of the plurality of structural members can be deformed to achieve the desired inherent torsional rigidity. Alternatively, the vehicular frame assembly can be manufactured by initially providing a plurality of structural members, each having an inherent torsional rigidity. A desired inherent torsional rigidity can be determined for at least one of the plurality of structural members, and the at least one of the plurality of structural members is deformed to achieve the desired inherent torsional rigidity. Lastly, the plurality of structural members can be assembled to form the vehicular frame assembly. | 01-21-2010 |
20090233149 | Fuel Cell Separator Plate Reinforcement Via Bonding Assembly - A fuel cell bipolar plate assembly is disclosed which includes a reinforcement positioned between the anode and cathode plates to strengthen the assembly. | 09-17-2009 |
20090181779 | TUBULAR MEMBER HAVING MULTIPLE SIZED SPLINES - A driveshaft assembly includes a tubular slip member having a first spline member having a plurality of splines formed thereon having a first tolerance and a second spline member having a plurality of spline sections. The plurality of spline sections includes a plurality of splines formed thereon having a second tolerance. The second spline member cooperates with the first spline member. A zone is disposed on the second spline member and has a first profile. The zone is disposed adjacent to at least one of the plurality of spline sections of the second spline member, and the first profile defines a clearance relative to the first spline member. | 07-16-2009 |