Vehicle suspension systems for seperated acceleration responses

US 20080067772A1
Filed: 08/25/2006
Published: 03/20/2008
Est. Priority Date: 08/25/2006
Status: Active Grant

First Claim

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1. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, and a shock absorber, wherein said wheel link floating pivot is concentric with said wheel rotation axis.

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Abstract

The invention relates to suspension systems comprising, in certain embodiments, a pivoting means concentric to a wheel rotation axis so that braking forces can be controlled by placement of an instant force center, and so that acceleration forces can be controlled by a swinging wheel link.

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72 Claims

1. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, and a shock absorber, wherein said wheel link floating pivot is concentric with said wheel rotation axis.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
- - 2. The suspension system of claim 1, said suspension system further comprising a brake link.
  - 3. The suspension system of claim 2, wherein force is transmitted to said shock absorber through said brake link.
  - 4. The suspension system of claim 1, said suspension system further comprising a brake link and a control link.
  - 5. The suspension system of claim 1, said suspension system further comprising a brake link, a control link floating pivot and a wheel link fixed pivot.
  - 6. The suspension system of claim 1, said suspension system further comprising a wheel link fixed pivot, a control link floating pivot and a control link fixed pivot.
  - 7. The suspension system of claim 6, said suspension system further comprising an instant center that is further to the front of the vehicle than the shock absorber when the suspension is uncompressed.
  - 8. The suspension system of claim 6, said suspension system further comprising an instant center that is below the shock absorber when the suspension is uncompressed.
  - 9. The suspension system of claim 6, said suspension system further comprising an instant center that is closer to the ground when the suspension is fully compressed compared to the when the suspension is uncompressed.
  - 10. The suspension system of claim 6, said suspension system further comprising an instant center that has a first perpendicular distance to the ground when the suspension is uncompressed and a second perpendicular distance to the ground when the suspension is compressed.
  - 11. The suspension of claim 10, wherein the second perpendicular distance of the instant center to the ground is measured when the suspension is 50 percent compressed.
  - 12. The suspension of claim 10, wherein the second perpendicular distance of the instant center to the ground is measured when the suspension is fully compressed.
  - 13. The suspension of claim 10, where the difference between first perpendicular distance and second perpendicular distance is from 0 to 10000 m.
  - 14. The suspension system of claim 6, said suspension system further comprising a control link force line that descends from the rear to the front of the vehicle at an angle of 0 to 50 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 15. The suspension system of claim 6, said suspension system further comprising a control link force line that is at an angle of minus 30 to plus 30 degrees relative to the ground when the suspension is uncompressed and the vehicle is on even ground.
  - 16. The suspension system of claim 6, said suspension system further comprising a wheel link force line that ascends from the rear to the front of the vehicle at an angle of 0 to 50 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 17. The suspension system of claim 6, said suspension system further comprising a wheel link force line that is at an angle of minus 10 to plus 10 degrees relative to the ground when the suspension is uncompressed and the vehicle is on even ground.
  - 18. The suspension system of claim 6, said suspension system further comprising a wheel link force line that projects from the rear to the front of the vehicle at an angle of −
    - 15 to 45 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 19. The suspension system of claim 6, said suspension system further comprising a control link force line that descends from the rear to the front of the vehicle at an angle of 0 to 60 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 20. The suspension system of claim 6, said suspension system further comprising a wheel link force line that descends from the rear to the front of the vehicle at an angle of 0 to 30 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 21. The suspension system of claim 6, said suspension system further comprising a wheel link force line that projects from the rear to the front of the vehicle at an angle of −
    - 30 to 30 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 22. The suspension system of claim 2, wherein said wheel link and said brake link are arranged at an angle of 10 to 60 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 23. The suspension system of claim 2, wherein said wheel link is 5 to 20 percent shorter than said brake link.
  - 24. The suspension system of claim 2, wherein said brake link passes on two sides of a frame member.
  - 25. The suspension system of claim 2, said suspension system further comprising a control link that is 2 to 25 cm in length.

26. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a control link and a shock absorber, wherein said wheel link floating pivot is nearly concentric with said wheel rotation axis and where said wheel link and said control link are arranged so that an instant center of the suspension system is located below the control link when the suspension is uncompressed and the vehicle is on even ground.
- View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49)
- - 27. The suspension system of claim 26, said suspension system further comprising a brake link.
  - 28. The suspension system of claim 27, wherein force is transmitted to said shock absorber through said brake link.
  - 29. The suspension system of claim 26, said suspension system further comprising a brake link, a control link floating pivot and a wheel link fixed pivot.
  - 30. The suspension system of claim 27, said suspension system further comprising a wheel link fixed pivot, a control link floating pivot and a control link fixed pivot.
  - 31. The suspension system of claim 30, said suspension system further comprising an instant center that is further to the front of the vehicle than the shock absorber when the suspension is uncompressed and the vehicle is on even ground.
  - 32. The suspension system of claim 30, said suspension system further comprising an instant center that is below the shock absorber when the suspension is uncompressed and the vehicle is on even ground.
  - 33. The suspension system of claim 30, said suspension system further comprising an instant center that is closer to the ground when the suspension is fully compressed compared to the when the suspension is uncompressed and the vehicle is on even ground.
  - 34. The suspension system of claim 30, said suspension system further comprising an instant center that has a first perpendicular distance to the ground when the suspension is uncompressed and a second perpendicular distance to the ground when the suspension is compressed.
  - 35. The suspension of claim 34, wherein the second perpendicular distance of the instant center to the ground is measured when the suspension is 50 percent compressed.
  - 36. The suspension of claim 34, wherein the second perpendicular distance of the instant center to the ground is measured when the suspension is fully compressed.
  - 37. The suspension of claim 34, where the difference between first perpendicular distance and second perpendicular distance is from 0 to 10000 m.
  - 38. The suspension system of claim 30, said suspension system further comprising a control link force line that descends from the rear to the front of the vehicle at an angle of 0 to 50 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 39. The suspension system of claim 30, said suspension system further comprising a control link force line that is at an angle of minus 30 to plus 30 degrees relative to the ground when the suspension is uncompressed and the vehicle is on even ground.
  - 40. The suspension system of claim 30, said suspension system further comprising a wheel link force line that ascends from the rear to the front of the vehicle at an angle of 0 to 50 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 41. The suspension system of claim 30, said suspension system further comprising a wheel link force line that is at an angle of minus 10 to plus 10 degrees relative to the ground when the suspension is uncompressed and the vehicle is on even ground.
  - 42. The suspension system of claim 30, said suspension system further comprising a wheel link force line that projects from the rear to the front of the vehicle at an angle of −
    - 15 to 45 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 43. The suspension system of claim 30, said suspension system further comprising a control link force line that descends from the rear to the front of the vehicle at an angle of 0 to 60 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 44. The suspension system of claim 30, said suspension system further comprising a wheel link force line that descends from the rear to the front of the vehicle at an angle of 0 to 30 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 45. The suspension system of claim 30, said suspension system further comprising a wheel link force line that projects from the rear to the front of the vehicle at an angle of −
    - 30 to 30 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 46. The suspension system of claim 27, wherein said wheel link and said brake link are arranged at an angle of 10 to 60 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 47. The suspension system of claim 27, wherein said wheel link is 5 to 20 percent shorter than said brake link.
  - 48. The suspension system of claim 27, wherein said brake link passes on two sides of a frame member.
  - 49. The suspension system of claim 27, wherein said control link is 2 to 25 cm in length.

50. A suspension system for a vehicle comprising a wheel link floating pivot, a wheel rotation axis, a wheel link, a brake link, and a shock absorber, wherein said wheel link floating pivot is concentric with said wheel rotation axis, and wherein force is transmitted to said shock absorber through said brake link.
- View Dependent Claims (51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72)
- - 51. The suspension system of claim 50, said suspension system further comprising a control link.
  - 52. The suspension system of claim 50, said suspension system further comprising a brake link, a control link floating pivot and a wheel link fixed pivot.
  - 53. The suspension system of claim 50, said suspension system further comprising a wheel link fixed pivot, a control link floating pivot and a control link fixed pivot.
  - 54. The suspension system of claim 53, said suspension system further comprising an instant center that is further to the front of the vehicle than the shock absorber when the suspension is uncompressed and the vehicle is on even ground.
  - 55. The suspension system of claim 53, said suspension system further comprising an instant center that is below the shock absorber when the suspension is uncompressed and the vehicle is on even ground.
  - 56. The suspension system of claim 53, said suspension system further comprising an instant center that is closer to the ground when the suspension is fully compressed compared to the when the suspension is uncompressed and the vehicle is on even ground.
  - 57. The suspension system of claim 53, said suspension system further comprising an instant center that has a first perpendicular distance to the ground when the suspension is uncompressed and a second perpendicular distance to the ground when the suspension is compressed.
  - 58. The suspension of claim 57, wherein the second perpendicular distance of the instant center to the ground is measured when the suspension is 50 percent compressed.
  - 59. The suspension of claim 57, wherein the second perpendicular distance of the instant center to the ground is measured when the suspension is fully compressed.
  - 60. The suspension of claim 57, where the difference between first perpendicular distance and second perpendicular distance is from 0 to 10000 m.
  - 61. The suspension system of claim 53, said suspension system further comprising a control link force line that descends from the rear to the front of the vehicle at an angle of 1 to 50 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 62. The suspension system of claim 53, said suspension system further comprising a control link force line that is at an angle of minus 30 to plus 30 degrees relative to the ground when the suspension is uncompressed and the vehicle is on even ground.
  - 63. The suspension system of claim 53, said suspension system further comprising a wheel link force line that ascends from the rear to the front of the vehicle at an angle of 0 to 50 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 64. The suspension system of claim 53, said suspension system further comprising a wheel link force line that is at an angle of minus 10 to plus 10 degrees relative to the ground when the suspension is uncompressed and the vehicle is on even ground.
  - 65. The suspension system of claim 53, said suspension system further comprising a wheel link force line that projects from the rear to the front of the vehicle at an angle of −
    - 15 to 45 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 66. The suspension system of claim 53, said suspension system further comprising a control link force line that descends from the rear to the front of the vehicle at an angle of 0 to 60 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 67. The suspension system of claim 53, said suspension system further comprising a wheel link force line that descends from the rear to the front of the vehicle at an angle of 0 to 30 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 68. The suspension system of claim 53, said suspension system further comprising a wheel link force line that projects from the rear to the front of the vehicle at an angle of −
    - 30 to 30 degrees when the vehicle is on even ground and the suspension is fully compressed.
  - 69. The suspension system of claim 50, wherein said wheel link and said brake link are arranged at an angle of 10 to 60 degrees when the suspension is uncompressed and the vehicle is on even ground.
  - 70. The suspension system of claim 50, wherein said wheel link is 5 to 20 percent shorter than said brake link.
  - 71. The suspension system of claim 50, wherein said brake link passes on two sides of a frame member.
  - 72. The suspension system of claim 50, said suspension system further comprising a control link that is 2 to 25 cm in length.

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Current Assignee
Split Pivot Incorporated
Original Assignee
Split Pivot Incorporated
Inventors
Weagle, David

Granted Patent

US 7,717,212 B2
Time in Patent Office

Days
Field of Search
US Class Current

280/124.134
CPC Class Codes

B60G 2204/421   Pivoted lever mechanisms fo...

B60G 2300/12   Cycles; Motorcycles

B62K 25/286   the shock absorber being co...

Vehicle suspension systems for seperated acceleration responses

First Claim

2 Assignments

0 Petitions

Accused Products

Abstract

105 Citations

72 Claims

Specification

Solutions

Use Cases

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Vehicle suspension systems for seperated acceleration responses

First Claim

2 Assignments

Subscription Required

Subscription Required

0 Petitions

Subscription Required

Accused Products

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Abstract

105 Citations

72 Claims

Specification

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Solutions

Use Cases

Quick Links