Methods and apparatus for additively manufactured endoskeleton-based transport structures

Patent metadata

Field	Value
Publication number	US-10940609-B2
Application number	US-201715659607-A
Country	US
Kind code	B2
Filing date	Jul 25, 2017
Priority date	Jul 25, 2017
Publication date	Mar 9, 2021
Grant date	Mar 9, 2021

Abstract

Some embodiments of the present disclosure relate to an additively manufactured transport structure. The transport structure includes cavities into which components that use an external interface are inserted. A plurality of components are assembled and integrated into the vehicle. In an embodiment, the components and frame are modular, enabling reparability and replacement of single parts in the event of isolated failures.

First claim

What is claimed is:

1. A transport structure, comprising:
a 3-D printed frame comprising at least one releasably detachable nosecone structure, and wherein the frame is configured to accept road loads and includes at least one or more safety cells to protect an occupant in an impact event;
a plurality of cavities, protruding through the 3-D printed frame, for receiving components that use an external interface; and
a body disposed over an exterior surface of the 3-D printed frame.

2. The transport structure of claim 1 , further comprising a set of general components integrated at least in part in the 3-D printed frame.

3. The transport structure of claim 2 , wherein at least a portion of the set of general components comprise modular components.

4. The transport structure of claim 3 , wherein a subset of the set of general components comprises the components that use an external interface.

5. The transport structure of claim 1 , wherein the body is 3-D printed.

6. The transport structure of claim 1 , wherein the 3-D printed frame is 3-D printed in a single rendering.

7. The transport structure of claim 1 , wherein the body is co-printed with the 3-D printed frame in sections or in a single rendering.

8. The transport structure of claim 1 , wherein the at least one nosecone is coupled to one or both of a front and rear surface of the 3-D printed frame.

9. The transport structure of claim 8 , wherein the at least one nosecone is covered with a section of foam or lattice.

10. The transport structure of claim 9 , wherein the foam or lattice is 3-D printed.

11. The transport structure of claim 8 wherein the at least one nosecone coupled to the front surface of the 3-D printed frame is configured to mate with a hinge post platform having interfacing centers.

12. The transport structure of claim 4 , wherein the set of general components comprises a 3-D printed pedal disposed on a floor panel.

13. The transport structure of claim 8 , further comprising a front impact beam mounted to a front surface of the at least one nosecone coupled to the front surface of the 3-D printed frame.

14. The transport structure of claim 8 , further comprising a front suspension system mounted to an inner portion of the at least one nosecone coupled to the front surface of the 3-D printed frame.

15. The transport structure of claim 1 , further comprising a rear suspension system mounted to a rear portion of the 3-D printed frame.

16. The transport structure of claim 1 , wherein the 3-D printed frame comprises a safety cell configured to protect an occupant in an event impact.

17. The transport structure of claim 1 , wherein the body comprises at least one of foam, 3-D printed metal or 3-D printed plastic.

18. The transport structure of claim 1 , wherein the body is optimized for aerodynamic performance and the 3-D printed frame is optimized for accepting structural loads.

19. The transport structure of claim 4 , wherein the set of general components comprises 3-D printed joining members.

20. The transport structure of claim 4 , wherein the set of general components comprises a hinge positioned between a control arm and the body.

21. The transport structure of claim 20 , wherein the control arm is co-printed with the body, the body having a nominal gap.

22. The transport structure of claim 20 , wherein the set of general components comprises a 3-D printed housing for an electric motor with the control arm.

23. The transport structure of claim 21 , wherein the nominal gap is filled with an elastomer configured to provide spring and rotational characteristics to the control arm.

24. The transport structure of claim 15 , wherein the body or frame comprises a plurality of joints characterizing sections of the vehicle that are configured to fail in the impact event.

25. The transport structure of claim 4 , wherein the set of components comprises a 3-D printed dashboard assembly.

26. The transport structure of claim 25 , wherein the 3-D printed dashboard assembly comprises a plurality of apertures and mounts configured to house dash components.

27. The transport structure of claim 4 , wherein the set of general components further comprises one or more 3-D printed pillars or vehicle rails.

28. The transport structure of claim 25 , wherein the dashboard assembly comprises box sections for enabling air distribution.

29. The transport structure of claim 4 , wherein the set of general components comprises a packaging system for a hydrogen fuel tank including a plurality of hydrogen fuel cells.

30. The transport structure of claim 29 , wherein the packaging system is located in or near a central region of the transport structure.

31. The transport structure of claim 29 , wherein the plurality of hydrogen fuels cells comprise modular components wherein used fuel cells are replaceable.

32. The transport structure of claim 1 , wherein the nosecone structure further comprises a foam or lattice structure that surrounds the nosecone structure, and connects the nosecone structure to the frame.

33. A method for producing a transport structure, comprising:
3-D printing a frame, the 3-D printed frame comprising at least one releasably detachable nosecone structure, wherein the frame is configured to accept road loads and includes at least one or more safety cells to protect an occupant in an impact event;
forming a body over an exterior surface of the 3-D printed frame; and
assembling a plurality of modular components into the 3-D printed frame,
wherein the 3-D printed frame comprises a plurality of cavities for receiving components of the plurality of modular components that use an external interface.

34. The method of claim 33 , further comprising 3-D printing the body.

35. The method of claim 33 , further comprising 3-D printing the frame in a single rendering.

36. The method of claim 33 , further comprising co-printing the body with the frame in sections or in a single rendering.

37. The method of claim 33 , further comprising coupling at least one nosecone respectively to one or both of a front and rear surface of the 3-D printed frame.

38. The method of claim 37 , further comprising covering the at least one nosecone with a section of foam or lattice.

39. The method of claim 38 , further comprising 3-D printing the foam or lattice.

40. The method of claim 37 , further comprising mounting a front suspension system to an inner portion of the at least one nosecone coupled to the front surface of the 3-D printed frame.

41. The method of claim 40 , further comprising mounting a rear suspension system to a rear surface of the 3-D printed frame.

42. The method of claim 33 , wherein the 3-D printed frame comprises a safety cell configured to protect an occupant in an event impact.

43. The method of claim 33 , wherein the body comprises at least one of foam, 3-D printed metal or 3-D printed plastic.

44. The method of claim 33 , further comprising optimizing the body for aerodynamic performance and the 3-D printed frame for accepting structural loads.

45. The method of

Assignees

• Divergent Tech Inc

Inventors

• Czinger Kevin Robert
• Tenhouten Broc William
• Macey Stuart Paul
• O'Connell David Charles
• Gunner Jon Paul
• Martinez Antonio Bernerd
• Lakshman Narender Shankar

Classifications

• B22F10/80

  Data acquisition or data processing · CPC title

• B22F12/46

  with translatory movement · CPC title

• B22F12/22

  Driving means · CPC title

• B22F10/25

  Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS] · CPC title

• B22F10/18

  by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF] · CPC title