A suspension testing or demonstrating apparatus includes a first section of track having a first undulation that displaces a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the first undulation. A second section of track is positioned proximate to
A suspension testing or demonstrating apparatus includes a first section of track having a first undulation that displaces a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the first undulation. A second section of track is positioned proximate to the first section of track such that the wheel traverses the second section of track after traversing the first section of track. The second section of track includes a second undulation that displaces the wheel of the vehicle by a second predetermined amount when the wheel traverses at least a portion of the second undulation.
대표청구항▼
What is claimed is: 1. Modular apparatus for testing a suspension of a vehicle supporting wheels suspended from a chassis comprising: a first undulation constructed and arranged to displace a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the fir
What is claimed is: 1. Modular apparatus for testing a suspension of a vehicle supporting wheels suspended from a chassis comprising: a first undulation constructed and arranged to displace a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the first undulation; a second undulation that is coupled to the first undulation constructed and arranged such that when the wheel traverses at least a portion of the second undulation after traversing the first undulation, the second undulation displaces the wheel of the vehicle by a second predetermined amount; and a third undulation that is positioned adjacent to at least one of the first and the second undulations such that another wheel of the vehicle may traverse the third undulation, wherein at least one of the first, second and third undulations is constructed and arranged to allow its shape to be varied. 2. The apparatus of claim 1 wherein the third undulation is coupled to the second undulation on a path such that the wheel may move along the path and traverse the third undulation after traversing the second undulation. 3. The apparatus of claim 1 wherein the first, second and third undulations are constructed and arranged to induce roll in the chassis when vehicle wheels traverse the undulations. 4. The apparatus of claim 1 wherein the first, second and third undulations are constructed and arranged to induce pitch in the chassis when vehicle wheels traverse the undulation. 5. The apparatus of claim 1 wherein the first, second, and third undulations are constructed and arranged to allow for varying the distance therebetween. 6. The apparatus of claim 1 wherein a profile of the first and second undulations is sinusoidal. 7. The apparatus of claim 1 wherein a distance between the first and the second undulations is substantially equal to a length of a wheelbase of the vehicle. 8. The apparatus of claim 1 wherein the first undulation is substantially the same as the second undulation. 9. The apparatus of claim 1 wherein at least one of the first and the second undulations is fabricated from a material that is chosen from the group comprising, rubber, metal, wood and plastic. 10. The apparatus of claim 1 wherein at least one of the first and the second undulations is formed with a surface texture. 11. The apparatus of claim 1 wherein the first and the second undulations are portable. 12. The apparatus of claim 1 and further comprising a device for mounting at least one of the first and the second undulations to a road surface. 13. Th apparatus of claim 12 wherein the device is chosen from the group comprising an anchor, a tether and a cleat. 14. Modular apparatus for testing a suspension of a vehicle supporting wheels suspended from a chassis comprising: a first undulation constructed and arranged displace a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the first undulation; a second undulation that is coupled to the first undulation constructed and arranged such that when the wheel traverses at least a portion of the second undulation after traversing the first undulation, the second undulation displaces the wheel of the vehicle by a second predetermined amount; and a third undulation that is positioned adjacent to at least one of the first and the second undulations such that another wheel of the vehicle may traverse the third undulation, wherein at least one of the first, second, and third undulations is constructed and arranged with variable width. 15. Modular apparatus for testing a suspension of a vehicle supporting wheels suspended from a chassis comprising: a first undulation constructed and arranged displace a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the first undulation; a second undulation that is coupled to the first undulation constructed and arranged such that when the wheel traverses at least a portion of the second undulation after traversing the first undulation, the second undulation displaces the wheel of the vehicle by a second predetermined amount; and a third undulation that is positioned adjacent to at least one of the first and the second undulations such that another wheel of the vehicle may traverse the third undulation, wherein the at least one of the first, second, and third undulations is constructed and arranged with variable height. 16. Modular apparatus for testing a suspension of a vehicle supporting wheels from a chassis comprising: a first section of track comprising a first undulation constructed and arranged to displace a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the first undulation; and a second section of track that is positioned proximate to the first section of track along a path such that when moving along the path the wheel traverses the second section of track after traversing the first section of track, the second section of track comprising a second undulation constructed and arranged to displace the wheel by a second predetermined amount when the wheel traverses at least a portion of the second undulation, wherein at least one of the first and the second sections of track comprises multiple undulations, at least one of the multiple undulations constructed and arranged with variable shape. 17. The apparatus of claim 16 wherein the first section of track is coupled to the second section of track. 18. The apparatus of claim 16 wherein at least one of the first and second sections of track is substantially in the shape of an arc. 19. The apparatus of claim 16 wherein the multiple undulations are constructed and arranged to allow the distance therebetween to be varied. 20. The apparatus of claim 16 wherein each of the first and the second sections of track comprise a different number of multiple undulations. 21. The apparatus of claim 16 wherein the first undulation is substantially the same as the second undulation. 22. The apparatus of claim 16 wherein a profile of the first and second undulations is sinusoidal. 23. The apparatus of claim 16 wherein a distance between the first and the second undulations is substantially equal to the length of the wheelbase of the vehicle. 24. The apparatus of claim 16 wherein at least one of the first and the second undulations is fabricated from a material that is chosen from the group comprising, rubber, metal, wood and plastic. 25. The apparatus of claim 16 wherein at least one of the first and the second undulations is formed with a surface texture. 26. The apparatus of claim 16 and further comprising a vehicle wherein at least one of the first and second sections of track is secured to a road surface by the mass of the vehicle. 27. The apparatus of claim 16 wherein at least one of the first and the second sections of track is secured to a road surface by the mass of the at least one of the first and the second sections of track. 28. The apparatus of claim 16 wherein the first section of track is mechanically coupled to the second section of track. 29. The apparatus of claim 16 and further comprising a device for mounting at least one of the first and the second sections of track to a road surface. 30. The apparatus of claim 29 wherein the device is chosen from the group comprising an anchor, a tether and a cleat. 31. The apparatus of claim 16 and further comprising a third section of track having a third undulation and positioned substantially parallel to the first section of track. 32. The apparatus of claim 31 wherein the first, second and third undulations are constructed and arranged to induce roll in the chassis when vehicle wheels traverse the undulations. 33. The apparatus of claim 31 wherein the first, second and third undulations are constructed and arranged to induce pitch in the chassis when vehicle wheels traverse the undulations. 34. Modular apparatus for testing a suspension of a vehicle supporting wheels from a chassis comprising: a first section of track comprising a first undulation constructed and arranged to displace a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the first undulation; and a second section of track that is positioned proximate to the first section of track along a path such that when moving along the path the wheel traverses the second section of track after traversing the first section of track, the second section of track comprising a second undulation constructed and arranged to displace the wheel by a second predetermined amount when the wheel traverses at least a portion of the second undulation, wherein at least one of the first and the second sections of track comprises multiple undulations, at least one of the multiple undulations having variable width. 35. Modular apparatus for testing a suspension of a vehicle supporting wheels from a chassis comprising: a first section of track comprising a first undulation constructed and arranged to displace a wheel of the vehicle by a first predetermined amount when the wheel traverses at least a portion of the first undulation; and a second section of track that is positioned proximate to the first section of track along a path such that when moving along the path the wheel traverses the second section of track after traversing the first section of track, the second section of track comprising a second undulation constructed and arranged to displace the wheel by a second predetermined amount when the wheel traverses at least a portion of the second undulation, wherein at least one of the first and the second sections of track comprises multiple undulations, at least one of the multiple undulations having variable height. 36. A method of testing a suspension of a vehicle supporting wheels from a chassis comprising: serially positioning first and second sections of track having first and second undulations respectively on a driving surface; moving the motor vehicle over the first and second sections of track such that a wheel traverses the first and the second undulations; and adjusting the height of at least one of the first, second and third undulations. 37. The method of claim 36 and further including varying the distance between the first and second sections of track. 38. The method of claim 36 and further including positioning the first and the second sections or track such that the distance between the first and second undulations is substantially equal to a the length of the wheelbase of the vehicle. 39. The method of claim 36 and further comprising positioning a third section of track having a third undulation substantially parallel to the first section of track. 40. The method of claim 39 and further including positioning the first, second and third undulations to induce roll in the chassis of the moving vehicle. 41. The method of claim 39 and further including positioning the first, second and third undulations to induce pitch in the chassis of the moving vehicle.
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이 특허에 인용된 특허 (11)
Schubert William L., Coordinated control of an active suspension system for a work vehicle.
Fricke David M. (Howell MI) Hansen Mark D. (Farmington Hills MI) Chabaan Rakan C. (Farmington Hills MI), Effective road profile control method for a spindle-coupled road simulator.
Hodges ; Sr. Hency C. (Carson City NV) Hodges ; Jr. Henry C. (Carson City NV) Ashmore Sam C. (Dayton NV) Piersol Allan G. (Woodland Hills CA), Method and apparatus for determining terrain surface profiles.
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