Dana Corporation

Dana Automotive Systems Group, LLC

Torque-traction Technologies, Inc.

Robert D Durand

Richard A Marando

James A Duggan

Mark W Kiehl

Stephen M Lapic

Eric M Schrack

Michael F Miller

George M Hetrick, Iii

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.

Method of manufacturing a vehicle frame assembly

An apparatus and method of applying a lubricating material to an outer surface of a workpiece. Initially, a workpiece is provided that is preferably formed from a closed channel structural member having a circular or box-shaped cross sectional shape. Lubricating material is applied to an outer surface of the workpiece. In a second step of the method, the workpiece may be heat treated. The workpiece is then heated to elevate the temperature of the workpiece so as to cause the lubricating material to dry substantially immediately on the workpiece, thereby providing a coating of lubricating material having a substantially uniform thickness. In a fourth step of the method, a deforming process is performed on the workpiece during the period of time following the heat treatment process, and after applying the lubricating material, in which the workpiece retains the full or partial softening characteristics.

Method of lubricating a workpiece for hydroforming

A vehicle body and frame assembly includes a pair of longitudinally extending side rails having a plurality of transverse cross members extending therebetween. The cross member is a multiple piece structure, including a central portion having a pair of end portions secured thereto. The central portion of the cross member is preferably formed from a first metallic material, while the end portions are preferably both formed from a second metallic material. The end portions of the cross member are preferably formed from the same metallic material as the respective side rails to which they are secured. The end portions of the cross member can be secured to the ends of the central portion by any desired process, such as by magnetic pulse welding. Similarly, the cross member can be secured to the side rails by any desired process, such as by magnetic pulse welding or by conventional welding. The end portions of the cross member can extend either partially or completely through the respective side rails. If desired, a reinforcing and positioning collar can be secured to the end portions of the cross member adjacent to each of the side rails.

Bi-metallic structural component for vehicle frame assembly

A method of joining two vehicle axle housing components made from the same or dissimilar materials includes providing a first axle housing component, and providing a second axle housing component, where one of the first and second axle housing components is a metallic component made of a metallic material. A portion of one of the first and second axle housing components is positioned within a portion of the other of the axle housing components in an overlapping manner, thereby forming an overlapping portion. A metallic band may be disposed around the overlapping portion. An inductor is positioned around the overlapping portion. The inductor is energized to generate a magnetic field for collapsing at least one of the overlapping portion and the metallic band, thereby securing the first and second axle housing components together.

Method for joining axle components

A method for manufacturing a driveshaft for use in a vehicle drive train system that is axially collapsible in the event of a collision to absorb energy. A workpiece, such as a hollow cylindrical tube, is deformed by hydroforming to provide an axial collapse initiation zone. The axial collapse initiation zone can be defined by a plurality of axially extending undulations or corrugations that are formed in a central portion of the tube. The axial collapse initiation zone is designed to accommodate the transmission of torque through the driveshaft without any deformation under normal operating conditions. However, if a relatively large axial force is applied to the front and rear end portions of the driveshaft, the axial collapse initiation zone is designed to allow relative axial movement to occur between the front and rear end portions of the driveshaft. Such collapsing functions to absorb energy during a collision, thereby providing additional safety to the occupants of the vehicle. If desired, the driveshaft can be hydroformed to include integral yoke portions on the ends thereof.

Method of manufacturing an axially collapsible driveshaft

A vehicular space frame assembly includes a plurality of structural components that are secured together to define an enclosed three-dimensional space. A plurality of body closure panels, such as a pair of door closure panels, a front windshield closure panel, a rear windshield closure panel, and a floor pan closure panel, are mounted on the structural components. Each of the body closure panels is a generally flat panel having one or more open spaces provided therein to support other components of the vehicular body on the space frame assembly. The body closure panels may have respective recesses formed therein that receive portions of the associated structural components therein. The recesses may be sized and shaped to receive the receive these portions in a snap fit relationship. One or more gaskets or other conventional sealing devices may be disposed between each of the body closure panels and the associated structural components of the vehicular space frame assembly. Additionally, other gaskets may be provided on the body closure panels to provide a sealed engagement with the other components of the vehicular body and frame assembly.

Structural composite body closure panels for use with a vehicular space frame assembly

A method for manufacturing a vehicle frame assembly includes the initial steps of providing first and second structural components, disposing portions of the first and second structural components in an overlapping relationship, and generating an electromagnetic field that causes at least one of the overlapping portions of the first and second structural components to move into contact with the other of the overlapping portions of the first and second structural components at a high velocity so as to be joined together to form a joint. Third and fourth structural components are provided. The third and fourth structural components are joined to the first and second structural components together to form a vehicle frame assembly.

Molecular bonding of vehicle frame components using magnetic impulse welding techniques

A storage box for a pickup truck or similar vehicle is formed from a combination of metallic and composite materials. The storage box includes an internal storage box frame that is formed from a plurality of metallic tubular components that are secured together, such as by magnetic pulse welding techniques. The metallic tubular pieces can be formed from steel, aluminum, and the like, or any combination thereof. The storage box further includes one or more panels that are formed from composite materials, such as urethane, that are secured to the metallic storage box frame. The composite panels may secured to the metallic storage frame box by molding the composite material directly about the metallic storage box frame. Alternatively, the composite panels may be formed as separate pieces that are connected to the metallic storage box frame. The combination of the internal metallic storage box frame and the external composite storage box panels provides a relatively light weight storage box that is resistant to dents and other deformations during use.

Storage box for a pickup truck formed from metallic and composite materials

A method of joining two vehicle suspension components made from the same or dissimilar materials includes providing a first suspension component, and providing a second suspension component made from a material which is same/dissimilar to the material used to make the first suspension component, where one of the first and second suspension components is a metallic component made of a metallic material. A portion of one of the first and second suspension components is positioned within a portion of the other of the suspension components in an overlapping manner, thereby forming an overlapping portion. A metallic band may be disposed around the overlapping portion. An inductor is positioned around the overlapping portion. The inductor is energized to generate a magnetic field for collapsing at least one of the overlapping portion and the metallic band at a velocity sufficient to magnetic pulse weld the components to each other, thereby securing the first and second suspension components together.

Method for joining suspension components

A method of joining two vehicle axle housing components made from the same or dissimilar materials includes providing a first axle housing component, and providing a second axle housing component made from a material which is same/dissimilar to the material used to make the first axle housing component, where one of the first and second axle housing components is a metallic component made of a metallic material. A portion of one of the first and second axle housing components is positioned within a portion of the other of the axle housing components in an overlapping manner, thereby forming an overlapping portion. A metallic band may be disposed around the overlapping portion. An inductor is positioned around the overlapping portion. The inductor is energized to generate a magnetic field for collapsing at leastone of the overlapping portion and the metallic band at a velocity sufficient to magnetic pulse weld the metallic component to each other, thereby securing the first and second axle housing components together.

A vehicular body and frame assembly includes a plurality of individual frame modules that can be selectively connected together to form customized assemblies. Each of the individual modules can be constructed in any desired manner. To connect the modules together, each module has cooperating first and second connecting structures provided thereon. The first connecting structures are designed to connect to the second connecting structures. For example, the first connecting structures may be formed as hooks provided on the lower portions of the frame modules, and the second connecting structures may be formed as pins provided on the lower portions of the frame modules upon which the hooks can be engaged. The frame modules can be connected together in this manner and pivoted to a mating position, wherein they can be positively retained together by bolts or other fasteners that extend between the mating frame modules.

Modular body and frame assembly for a vehicle

A separate type of body and frame assembly includes a frame portion and a body portion. The frame portion includes a pair of side rails, each of which has a plurality of openings formed therethrough. A plurality of cross members extend between side rails and are secured thereto. Each of the cross members has first and second ends that extend through the openings formed through the side rails. Each of the first and second ends of the cross members is formed integrally and unitarily with the cross member and has a body mount structure, such as an aperture, formed therein or otherwise provided thereon. The ends of the cross members are initially inserted through the openings formed through the side rails. Then, such ends of the cross members are secured to the side rails, such as by electromagnetic pulse welding, to form the frame portion. The body mount apertures cooperate with respective body mounts provided on the body portion to connect the body portion to the frame portion to form the vehicle body and frame assembly.

Unitary cross member and body mount support bracket for a vehicle body and frame assembly

A vehicular vehicle exhaust system and method for manufacturing same using hydroforming and magnetic impulse welding techniques is disclosed. An exhaust system of the invention includes a flange adapted for connection to an exhaust manifold of an engine of a vehicle, a first exhaust tube having a first end connected to the flange and a second end expanded to form a first portion of a chamber, and a second exhaust tube having a first end expanded to form a second portion of a chamber closure and a second end open to atmosphere. The end portions of the first and second tubes may be formed to desired shapes using a hydroforming process. The second portion of the chamber is sized to fit inside the first portion of the chamber and can be secured thereto by magnetic pulse welding techniques. The exhaust system can further include a retainer tube that is connected to the first and second tubes by magnetic pulse welding techniques.

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Lancaster, PA, United States of America

Robert D Durand