US20190047624A1 - Side rail for a motor vehicle sub-frame - Google Patents
Side rail for a motor vehicle sub-frame Download PDFInfo
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- US20190047624A1 US20190047624A1 US16/109,206 US201816109206A US2019047624A1 US 20190047624 A1 US20190047624 A1 US 20190047624A1 US 201816109206 A US201816109206 A US 201816109206A US 2019047624 A1 US2019047624 A1 US 2019047624A1
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- Prior art keywords
- wall
- side rail
- component
- frame
- joined
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
Definitions
- This document relates generally to the motor vehicle equipment field and, more particularly, to an extruded multi-component motor vehicle sub-frame as well as to an extruded side rail and extruded cross-member for that sub-frame.
- the sub-frame or engine cradle is an assembly with high potential for weight saving due to its size and weight.
- Conventional sub-frames are made of stamped steel parts.
- Some high performance automobiles utilize aluminum sub-frames made of aluminum castings or combinations of aluminum castings and extrusions.
- An aluminum sub-frame made by only extrusions is more attractive to automotive manufacturers since extrusion dies are more affordable compared to casting dies.
- a perimeter type sub-frame is constructed with a front cross member, a rear cross member and two side rails.
- the most efficient stiffness design of the side rail should have a closed cross section or partially closed sections at critical locations that will benefit both bending and torsion resistances.
- the package space of a sub-frame generally will not allow a straight side rail with a sufficient cross section size, thereby limiting the use of extruded tubes.
- package feasible side rail components have been made by either lateral direction or vertical direction extrusions which have two open surfaces.
- This document relates to a new and improved motor vehicle sub-frame, a side rail for that sub-frame and a cross member for that sub-frame.
- Design challenges are overcome by providing an all extruded aluminum perimeter sub-frame that meets or exceeds strength, bending resistance and torsion resistance requirements while providing substantial weight savings for increased fuel economy.
- the motor vehicle sub-frame disclosed herein represents a significant advance in the art.
- a motor vehicle sub-frame comprises a front cross member, a rear cross member, a first side rail connecting the front cross member with the rear cross member at a first side of the motor vehicle sub-frame and a second side rail connecting the front cross member with the rear cross member at a second side of the motor vehicle sub-frame.
- the first and second side rails both include a first component having a first extrusion axis and a second component having a second extrusion axis. The first component is joined to the second component with the first extrusion axis and the second extrusion axis forming an included angle of between 60° and 90°.
- the first component includes a first part and a second part wherein a first end of the first part is joined to a second end of the second part.
- the second component includes a first element and a second element. The first element is joined to the inner surface of the first part and the second element is joined to the inner surface of the second part.
- the first component may include a first wall, forming an upper wall of the side rail and a second wall, forming a lower wall of the side rail.
- the second component includes a third wall, forming an inner side wall of the side rail and a fourth wall, forming an outer side wall of the side rail. Accordingly, the second component may be positioned in the first component and the third wall and the fourth wall may be joined to the inner surfaces of the first wall and the second wall. In this way it is possible to produce at least a partially closed side rail from two extruded components.
- a motor vehicle sub-frame including a front cross member, a rear cross member and first and second side rails connecting the front and rear cross members at respective first and second sides of the motor vehicle sub-frame.
- the first side rail and the second side rail are joined to the rear cross member by one or more friction stir welds while the first side rail and the second side rail are joined to the front cross member by one or more MIG welds.
- the motor vehicle sub-frame further includes a first front body attachment and a second front body attachment.
- the first front body attachment is joined to the first side rail by a first MIG weld and the second front body attachment is joined to the second side rail by a second MIG weld.
- a side rail for a motor vehicle sub-frame. That side rail comprises a first component having a first extrusion axis and a second component having a second extrusion axis. The first component is joined to the second component with the first extrusion axis and second extrusion axis forming an included angle of between 60 and 90 degrees.
- the first component includes a first wall, forming an upper wall of the side rail, and a second wall, forming a lower wall of the side rail.
- the second component includes a third wall, forming an inner side wall of the side rail, and a fourth wall, forming an outer side wall of the side rail.
- the second component is positioned in the first component and the third wall and fourth wall are joined to the inner surfaces of the first wall and the second wall.
- the first component includes a first part and a second part wherein a first end of the first part is joined to a second end of the second part.
- the second component may include a first element and a second element. The first element is joined to an inner surface of the first part while the second element is joined to an inner surface of the second part.
- the second component at least partially closes the first component to provide and at least partially close the side rails.
- the first and second components may be joined by a weld.
- a cross member for a motor vehicle sub-frame. That cross member comprises a hollow body having an extrusion axis and a wall having a first edge and a second edge. The wall is positioned inside and extends across the hollow body with the first edge and the second edge joined to the hollow body.
- the wall has a longitudinal axis that extends parallel to the extrusion axis of the hollow body. Further the wall may be planar.
- the hollow body may include an attachment hole and the wall is aligned with that attachment hole. Still further, a cylindrical reinforcement may be provided in the hollow body around the attachment hole. In such an embodiment, the wall may extend radially outwardly from the cylindrical reinforcement but the wall does not cross the attachment hole defined within the cylindrical reinforcement. Thus, the wall extending across the hollow body is discontinuous.
- FIG. 1 is a perspective view of a first possible embodiment of the motor vehicle sub-frame.
- FIG. 2A is a perspective view of a first component of a side rail including first and second parts that are joined end to end.
- FIGS. 2B and 2C are perspective views illustrating first and second elements of a second component for a side rail of a motor vehicle sub-frame.
- FIG. 2D is a perspective view illustrating the assembled side rail utilizing the components illustrated in FIGS. 2A-2C .
- FIG. 3 is a perspective view of the rear cross member of the motor vehicle sub-frame.
- FIG. 4 is a detailed perspective view of that rear cross member illustrating the structural details of the cross member including the hollow body including various attachment holes, the cylindrical reinforcements for those attachment holes and the reinforcing walls, aligned with the cylindrical reinforcements and attachment holes, extending across the hollow body.
- FIG. 1 illustrating a motor vehicle perimeter sub-frame or engine cradle 10 .
- the sub-frame 10 includes a front cross member 12 , a rear cross member 14 , a first side rail 16 and a second side rail 18 .
- the first side rail 16 connects the front cross member 12 with the rear cross member 14 at a first side of the motor vehicle sub-frame 10 while the second side rail 18 connects the front cross member with the rear cross member at a second side of the motor vehicle sub-frame.
- the front cross member 12 has a shape of an irregular box with no side walls.
- the rear cross member 14 is also an irregular box with no side wall.
- the front cross member 12 , the rear cross member 14 and the first and second side rails 16 , 18 may all be made via extrusions of aluminum or aluminum alloy.
- each side rail 16 , 18 includes a first component 20 .
- the first component 20 illustrated in FIG. 2A includes a first part 24 and a second part 26 .
- a first end 28 of the first part 24 is joined to a second end 30 of the second part 26 so that the two parts are welded end to end and the two parts have an extrusion axis extending parallel to the extrusion axis line 22 .
- each side rail 16 , 18 also includes a second component 32 having a second extrusion axis 34 .
- the first element 36 of the second component 32 is illustrated in FIG. 2B while the second element 38 of the second component is illustrated in FIG. 2C .
- Each side rail 16 , 18 is constructed from the first and second component 20 , 32 . More specifically, the first component 20 includes a first wall 40 forming an upper wall of the side rail 16 , 18 and a second wall 42 forming a lower wall of the side rail.
- the second component 32 includes a third wall 44 that forms an inner side wall of the side rail 16 , 18 and a fourth wall 46 that forms an outer sidewall of the side rail.
- the first element 36 is positioned inside the first part 24 while the second element 38 is positioned inside the second part 26 .
- the third and fourth walls 44 , 46 are then joined to the inner surfaces of the first and second walls 40 , 42 by means of welding thereby providing at least partially closed side rails 16 , 18 as best illustrated in detail in FIG. 2D .
- the walls 40 , 46 of the components 20 , 32 are welded together by one or more friction stir welds.
- the first extrusion axis 22 of the first component 20 runs laterally while the second extrusion axis 34 of the second component 32 runs vertically in the assembled sub-frame 10 .
- the two extrusion axes 22 , 34 may form an included angle of between 60° and 90° or of between 70° and 90° or of between 80° and 90°. In the illustrated embodiment, the two extrusion axes 22 , 34 are substantially perpendicular to one another.
- the rear cross member 14 includes an extruded hollow body 48 having an extrusion axis 50 that extends laterally across the sub-frame 10 .
- a series of walls 52 are positioned inside the hollow body 48 and extend across the hollow body.
- Each wall 52 includes a first edge 54 and a second, opposite edge 56 that are joined to the inner surface of the hollow body 48 by appropriate welds.
- each wall 52 has a longitudinal axis that extends parallel to the extrusion axis 50 of the hollow body 48 . Further each wall 52 is planar.
- the hollow body 48 includes various attachment holes 58 for, for example, rear body attachments, stabilizer bar attachments, lower control arm attachments and steering attachments.
- a cylindrical reinforcement 60 may be provided in the hollow body 48 to reinforce the hollow body around each attachment hole 58 .
- a wall 52 may extend radially outwardly from each cylindrical reinforcement 60 .
- the walls 52 are not continuous but extend up to and are welded to the cylindrical reinforcements 60 , they do not cross the attachment hole 58 defined within the cylindrical reinforcements.
- the sub-frame 10 provides a number of benefits and advantages.
- the sub-frame 10 provides a desired strength relying upon friction stir welds to assemble the components 20 , 32 of the side rails 16 , 18 together, the rear cross member components 48 , 52 , 60 together and to join the side rails, 16 , 18 to the rear cross member components.
- one or more MIG welds are utilized to join the front cross member 12 with the side rails 16 , 18 through a first front body attachment 62 and second front body attachment 64 (see FIG. 1 ).
- the sub-frame 10 provides the desired bending and torsion resistances through the provision of side rails 16 , 18 incorporating a first component 20 having a first extrusion axis 22 and a second component 32 having a second extrusion axis 34 joined together so that the two extrusion axes form an included angle of between 60 and 90 degrees.
- the two extrusion axes 22 , 34 are substantially perpendicular to one another and provide an at least partially closed side rail.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
- This application is a divisional of U.S. patent application Ser. No. 14/989,454 filed on 6 Jan. 2016, the full disclosure of which is incorporated herein by reference.
- This document relates generally to the motor vehicle equipment field and, more particularly, to an extruded multi-component motor vehicle sub-frame as well as to an extruded side rail and extruded cross-member for that sub-frame.
- The use of aluminum by the automotive industry could achieve over 30% weight savings in vehicle body, chassis and closure components when replacing steel parts. An aluminum intensive vehicle is an efficient way to reduce weight and thus improve fuel economy.
- The sub-frame or engine cradle is an assembly with high potential for weight saving due to its size and weight. Conventional sub-frames are made of stamped steel parts. Some high performance automobiles utilize aluminum sub-frames made of aluminum castings or combinations of aluminum castings and extrusions. An aluminum sub-frame made by only extrusions is more attractive to automotive manufacturers since extrusion dies are more affordable compared to casting dies.
- It is challenging to design a perimeter type sub-frame with only extrusions to achieve stiffness, performance and weight savings due to the architecture of the sub-frame and the manufacturing constraints of extrusions. More specifically, a perimeter type sub-frame is constructed with a front cross member, a rear cross member and two side rails. The most efficient stiffness design of the side rail should have a closed cross section or partially closed sections at critical locations that will benefit both bending and torsion resistances. Unfortunately, the package space of a sub-frame generally will not allow a straight side rail with a sufficient cross section size, thereby limiting the use of extruded tubes. Thus, in the past, package feasible side rail components have been made by either lateral direction or vertical direction extrusions which have two open surfaces.
- This document relates to a new and improved motor vehicle sub-frame, a side rail for that sub-frame and a cross member for that sub-frame. Design challenges are overcome by providing an all extruded aluminum perimeter sub-frame that meets or exceeds strength, bending resistance and torsion resistance requirements while providing substantial weight savings for increased fuel economy. Thus, the motor vehicle sub-frame disclosed herein represents a significant advance in the art.
- In accordance with the purposes and benefits described herein, a motor vehicle sub-frame is provided. That motor vehicle sub-frame comprises a front cross member, a rear cross member, a first side rail connecting the front cross member with the rear cross member at a first side of the motor vehicle sub-frame and a second side rail connecting the front cross member with the rear cross member at a second side of the motor vehicle sub-frame. The first and second side rails both include a first component having a first extrusion axis and a second component having a second extrusion axis. The first component is joined to the second component with the first extrusion axis and the second extrusion axis forming an included angle of between 60° and 90°.
- In one possible embodiment, the first component includes a first part and a second part wherein a first end of the first part is joined to a second end of the second part. In one possible embodiment, the second component includes a first element and a second element. The first element is joined to the inner surface of the first part and the second element is joined to the inner surface of the second part. Thus, the first component may include a first wall, forming an upper wall of the side rail and a second wall, forming a lower wall of the side rail. Further, the second component includes a third wall, forming an inner side wall of the side rail and a fourth wall, forming an outer side wall of the side rail. Accordingly, the second component may be positioned in the first component and the third wall and the fourth wall may be joined to the inner surfaces of the first wall and the second wall. In this way it is possible to produce at least a partially closed side rail from two extruded components.
- In accordance with an additional aspect, a motor vehicle sub-frame is provided including a front cross member, a rear cross member and first and second side rails connecting the front and rear cross members at respective first and second sides of the motor vehicle sub-frame. The first side rail and the second side rail are joined to the rear cross member by one or more friction stir welds while the first side rail and the second side rail are joined to the front cross member by one or more MIG welds.
- The motor vehicle sub-frame further includes a first front body attachment and a second front body attachment. The first front body attachment is joined to the first side rail by a first MIG weld and the second front body attachment is joined to the second side rail by a second MIG weld.
- In accordance with still another aspect, a side rail is provided for a motor vehicle sub-frame. That side rail comprises a first component having a first extrusion axis and a second component having a second extrusion axis. The first component is joined to the second component with the first extrusion axis and second extrusion axis forming an included angle of between 60 and 90 degrees.
- More specifically, the first component includes a first wall, forming an upper wall of the side rail, and a second wall, forming a lower wall of the side rail. The second component includes a third wall, forming an inner side wall of the side rail, and a fourth wall, forming an outer side wall of the side rail.
- In one possible embodiment, the second component is positioned in the first component and the third wall and fourth wall are joined to the inner surfaces of the first wall and the second wall.
- In another possible embodiment, the first component includes a first part and a second part wherein a first end of the first part is joined to a second end of the second part. In such an embodiment, the second component may include a first element and a second element. The first element is joined to an inner surface of the first part while the second element is joined to an inner surface of the second part. Thus, the second component at least partially closes the first component to provide and at least partially close the side rails. The first and second components may be joined by a weld.
- In accordance with still another aspect, a cross member is provided for a motor vehicle sub-frame. That cross member comprises a hollow body having an extrusion axis and a wall having a first edge and a second edge. The wall is positioned inside and extends across the hollow body with the first edge and the second edge joined to the hollow body.
- In one possible embodiment the wall has a longitudinal axis that extends parallel to the extrusion axis of the hollow body. Further the wall may be planar.
- The hollow body may include an attachment hole and the wall is aligned with that attachment hole. Still further, a cylindrical reinforcement may be provided in the hollow body around the attachment hole. In such an embodiment, the wall may extend radially outwardly from the cylindrical reinforcement but the wall does not cross the attachment hole defined within the cylindrical reinforcement. Thus, the wall extending across the hollow body is discontinuous.
- In the following description, there are shown and described several preferred embodiments of the motor vehicle sub-frame, the side rail for a motor vehicle sub-frame and the cross member for the motor vehicle sub-frame. As it should be realized, the motor vehicle sub-frame, side rail and cross member are all capable of other, different embodiments and their several details are capable of modification in various, obvious aspects all without departing from the sub-frame, side rail and cross member as set forth and described in the following claims. Accordingly, the drawings and descriptions should be regarded as illustrative in nature and not as restrictive.
- The accompanying drawing figures incorporated herein and forming a part of the specification, illustrate several aspects of the motor vehicle sub-frame, the side rail for a motor vehicle sub-frame and the cross member for a motor vehicle sub-frame and together with the description serve to explain certain principles thereof. In the drawing figures:
-
FIG. 1 is a perspective view of a first possible embodiment of the motor vehicle sub-frame. -
FIG. 2A is a perspective view of a first component of a side rail including first and second parts that are joined end to end. -
FIGS. 2B and 2C are perspective views illustrating first and second elements of a second component for a side rail of a motor vehicle sub-frame. -
FIG. 2D is a perspective view illustrating the assembled side rail utilizing the components illustrated inFIGS. 2A-2C . -
FIG. 3 is a perspective view of the rear cross member of the motor vehicle sub-frame. -
FIG. 4 is a detailed perspective view of that rear cross member illustrating the structural details of the cross member including the hollow body including various attachment holes, the cylindrical reinforcements for those attachment holes and the reinforcing walls, aligned with the cylindrical reinforcements and attachment holes, extending across the hollow body. - Reference will now be made in detail to the present preferred embodiments of the motor vehicle sub-frame, the sub-frame side rail and the sub-frame cross member, examples of which are illustrated in the accompanying drawing figures.
- Reference is now made to
FIG. 1 illustrating a motor vehicle perimeter sub-frame orengine cradle 10. As illustrated, thesub-frame 10 includes afront cross member 12, arear cross member 14, afirst side rail 16 and asecond side rail 18. Thefirst side rail 16 connects thefront cross member 12 with therear cross member 14 at a first side of themotor vehicle sub-frame 10 while thesecond side rail 18 connects the front cross member with the rear cross member at a second side of the motor vehicle sub-frame. - The
front cross member 12, has a shape of an irregular box with no side walls. Therear cross member 14 is also an irregular box with no side wall. As should be appreciated, thefront cross member 12, therear cross member 14 and the first and second side rails 16, 18 may all be made via extrusions of aluminum or aluminum alloy. - Reference is now made to
FIGS. 2A-2D illustrating the construction of the twoside rails side rail first component 20. More specifically, thefirst component 20 illustrated inFIG. 2A includes afirst part 24 and asecond part 26. Afirst end 28 of thefirst part 24 is joined to asecond end 30 of thesecond part 26 so that the two parts are welded end to end and the two parts have an extrusion axis extending parallel to theextrusion axis line 22. - As illustrated in
FIGS. 2B and 2C eachside rail second component 32 having asecond extrusion axis 34. Thefirst element 36 of thesecond component 32 is illustrated inFIG. 2B while thesecond element 38 of the second component is illustrated inFIG. 2C . - Each
side rail second component first component 20 includes afirst wall 40 forming an upper wall of theside rail second wall 42 forming a lower wall of the side rail. Thesecond component 32 includes athird wall 44 that forms an inner side wall of theside rail fourth wall 46 that forms an outer sidewall of the side rail. - As best illustrated in
FIG. 2D , thefirst element 36 is positioned inside thefirst part 24 while thesecond element 38 is positioned inside thesecond part 26. The third andfourth walls second walls FIG. 2D . In one particularly useful embodiment of themotor vehicle sub-frame 10, thewalls components FIG. 1 , thefirst extrusion axis 22 of thefirst component 20 runs laterally while thesecond extrusion axis 34 of thesecond component 32 runs vertically in the assembledsub-frame 10. The twoextrusion axes extrusion axes - Reference is now made to
FIGS. 3 and 4 illustrating in detail therear cross member 14 of thesub-frame 10. As illustrated, therear cross member 14 includes an extrudedhollow body 48 having anextrusion axis 50 that extends laterally across thesub-frame 10. A series ofwalls 52 are positioned inside thehollow body 48 and extend across the hollow body. Eachwall 52 includes afirst edge 54 and a second, oppositeedge 56 that are joined to the inner surface of thehollow body 48 by appropriate welds. In the illustrated embodiment, eachwall 52 has a longitudinal axis that extends parallel to theextrusion axis 50 of thehollow body 48. Further eachwall 52 is planar. - As further illustrated in
FIGS. 3 and 4 , thehollow body 48 includes various attachment holes 58 for, for example, rear body attachments, stabilizer bar attachments, lower control arm attachments and steering attachments. Acylindrical reinforcement 60 may be provided in thehollow body 48 to reinforce the hollow body around eachattachment hole 58. As illustrated, awall 52 may extend radially outwardly from eachcylindrical reinforcement 60. Here it should be appreciated that thewalls 52 are not continuous but extend up to and are welded to thecylindrical reinforcements 60, they do not cross theattachment hole 58 defined within the cylindrical reinforcements. - In summary, the
sub-frame 10 provides a number of benefits and advantages. Thesub-frame 10 provides a desired strength relying upon friction stir welds to assemble thecomponents cross member components front cross member 12 with the side rails 16, 18 through a firstfront body attachment 62 and second front body attachment 64 (seeFIG. 1 ). - Further, the
sub-frame 10 provides the desired bending and torsion resistances through the provision of side rails 16, 18 incorporating afirst component 20 having afirst extrusion axis 22 and asecond component 32 having asecond extrusion axis 34 joined together so that the two extrusion axes form an included angle of between 60 and 90 degrees. In one particularly useful embodiment, the twoextrusion axes - The foregoing has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the embodiments to the precise form disclosed. Obvious modifications and variations are possible in light of the above teachings. All such modifications and variations are within the scope of the appended claims when interpreted in accordance with the breadth to which they are fairly, legally and equitably entitled.
Claims (20)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US16/109,206 US20190047624A1 (en) | 2016-01-06 | 2018-08-22 | Side rail for a motor vehicle sub-frame |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/989,454 US10086873B2 (en) | 2016-01-06 | 2016-01-06 | Extruded multi-component motor vehicle sub-frame |
US16/109,206 US20190047624A1 (en) | 2016-01-06 | 2018-08-22 | Side rail for a motor vehicle sub-frame |
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Application Number | Title | Priority Date | Filing Date |
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US14/989,454 Division US10086873B2 (en) | 2016-01-06 | 2016-01-06 | Extruded multi-component motor vehicle sub-frame |
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US20190047624A1 true US20190047624A1 (en) | 2019-02-14 |
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Application Number | Title | Priority Date | Filing Date |
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US14/989,454 Active US10086873B2 (en) | 2016-01-06 | 2016-01-06 | Extruded multi-component motor vehicle sub-frame |
US16/109,144 Abandoned US20190047623A1 (en) | 2016-01-06 | 2018-08-22 | Cross member for a motor vehicle sub-frame |
US16/109,206 Abandoned US20190047624A1 (en) | 2016-01-06 | 2018-08-22 | Side rail for a motor vehicle sub-frame |
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US14/989,454 Active US10086873B2 (en) | 2016-01-06 | 2016-01-06 | Extruded multi-component motor vehicle sub-frame |
US16/109,144 Abandoned US20190047623A1 (en) | 2016-01-06 | 2018-08-22 | Cross member for a motor vehicle sub-frame |
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CN (1) | CN106945725B (en) |
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DE102016118952A1 (en) * | 2016-10-06 | 2018-04-12 | Kirchhoff Automotive Deutschland Gmbh | Support structure for a vehicle |
CN107487364A (en) * | 2017-08-17 | 2017-12-19 | 苏州紫荆清远新能源汽车技术有限公司 | A kind of mounting bracket, fore sub frame assembly and automobile |
EP3971065B1 (en) * | 2018-05-15 | 2023-12-06 | Volvo Car Corporation | Electric vehicle |
EP3569479B1 (en) * | 2018-05-15 | 2024-04-03 | Volvo Car Corporation | Subframe for a vehicle |
US11453440B2 (en) | 2020-03-18 | 2022-09-27 | Volvo Car Corporation | Subframe assembly for a vehicle |
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DE102011011934A1 (en) | 2011-02-22 | 2012-02-16 | Daimler Ag | Subframe for a body of a motor vehicle |
-
2016
- 2016-01-06 US US14/989,454 patent/US10086873B2/en active Active
- 2016-12-08 DE DE102016123749.3A patent/DE102016123749A1/en active Pending
-
2017
- 2017-01-03 CN CN201710001606.0A patent/CN106945725B/en active Active
- 2017-01-05 MX MX2017000244A patent/MX2017000244A/en unknown
-
2018
- 2018-08-22 US US16/109,144 patent/US20190047623A1/en not_active Abandoned
- 2018-08-22 US US16/109,206 patent/US20190047624A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09301216A (en) * | 1996-05-15 | 1997-11-25 | Nissan Motor Co Ltd | Member jointing structure for automobile |
Also Published As
Publication number | Publication date |
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US10086873B2 (en) | 2018-10-02 |
US20170190361A1 (en) | 2017-07-06 |
CN106945725B (en) | 2022-02-25 |
MX2017000244A (en) | 2017-07-05 |
CN106945725A (en) | 2017-07-14 |
US20190047623A1 (en) | 2019-02-14 |
DE102016123749A1 (en) | 2017-07-06 |
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