A brake hub assembly including a brake hub and a brake disk having a first brake surface, a second brake surface spaced axially from the first brake surface, and a plurality of ribs extending between the first and second brake surfaces. Where the brake hub is thermally isolated from the brake hub by
A brake hub assembly including a brake hub and a brake disk having a first brake surface, a second brake surface spaced axially from the first brake surface, and a plurality of ribs extending between the first and second brake surfaces. Where the brake hub is thermally isolated from the brake hub by various combinations of spacers, torque pins, torque lugs, and the like.
대표청구항▼
1. A brake hub assembly couplable to an axle of a vehicle, the brake hub assembly comprising: a brake hub defining a central axis;a brake disk coupled to the brake hub, the brake disk having a first braking surface and a second braking surface spaced axially from the first braking surface, and where
1. A brake hub assembly couplable to an axle of a vehicle, the brake hub assembly comprising: a brake hub defining a central axis;a brake disk coupled to the brake hub, the brake disk having a first braking surface and a second braking surface spaced axially from the first braking surface, and wherein the brake disk defines a plurality of radially extending slots; andat least one torque member extending from the hub, wherein the torque member is at least partially received within and moveable along one of the plurality of radially extending slots of the brake disk, and wherein the torque member includes a spacer to which one of the first or second braking surfaces of the brake disk is engaged for axially separating the brake disk from the hub;wherein the torque member transmits torque between the brake disk and the brake hub, and wherein the spacer is integrally formed with the torque member. 2. The brake hub assembly of claim 1, wherein the torque member is positioned axially between one of the first or second braking surface and the brake hub. 3. The brake hub assembly of claim 1, wherein the torque member is formed from material having a thermal conductivity less than the thermal conductivity of a material forming the brake hub. 4. The brake hub assembly of claim 3, wherein the material forming the torque member has a thermal conductivity between about 2% and about 25% of the thermal conductivity of the material forming the brake hub. 5. The brake hub assembly of claim 4, wherein the hub is formed of aluminum. 6. The brake hub assembly of claim 1, wherein the spacer includes a first portion located on a first side of the torque member and a second portion located on an opposite, second side of the torque member, wherein the first and second portions of the spacer are both engaged with the first braking surface, and wherein the first and second portions of the spacer are non-contiguous. 7. The brake hub assembly of claim 6, wherein each of the first and second portions of the spacer is radially oriented. 8. The brake hub assembly of claim 1, wherein the one of the first or second braking surfaces of the brake disk to which the spacer is engaged lies within a single plane. 9. The brake hub assembly of claim 1, wherein the brake disk includes a first plate on which the first braking surface is defined,a second plate on which the second braking surface is defined, the first and second plates separated by an axial spacing, anda plurality of ribs extending between the first and second plates to define a plurality of cooling channels therebetween,wherein the spacer is engaged with the second braking surface, and wherein the torque member extends axially inboard from the second braking surface a distance not more than a thickness of the second plate plus about 50% of the spacing between the first and second plates. 10. A brake hub assembly couplable to an axle of a vehicle, the brake hub assembly comprising: a brake hub composed of a first material and defining a central axis;a brake disk coupled to the brake hub, the brake disk having a first braking surface and a second braking surface spaced axially from the first braking surface, and wherein the brake disk defines a plurality of radially extending slots; andat least one torque member extending from the hub, wherein the torque member is at least partially received within and moveable along one of the plurality of radially extending slots of the brake disk, wherein the torque member includes a spacer to which one of the first or second braking surfaces of the brake disk is engaged for axially separating the brake disk from the hub, and wherein the torque member is composed of a second material having a thermal conductivity less than the first material;wherein the torque member transmits torque between the brake disk and the brake hub, and wherein the spacer is integrally formed with the torque member. 11. The brake hub assembly of claim 10, wherein the second material has a thermal conductivity between about 2% and about 25% of the thermal conductivity of the first material. 12. The brake hub assembly of claim 10, wherein the second material includes at least one of steel, stainless steel, ceramic, or any combination thereof. 13. The brake hub assembly of claim 10, wherein the brake hub is formed from aluminum. 14. The brake hub assembly of claim 10, wherein the spacer includes a first portion located on a first side of the torque member and a second portion located on an opposite, second side of the torque member, wherein the first and second portions of the spacer are both engaged with the first braking surface, and wherein the first and second portions of the spacer are non-contiguous. 15. The brake hub assembly of claim 14, wherein each of the first and second portions of the spacer is radially oriented. 16. The brake hub assembly of claim 10, wherein the one of the first or second braking surfaces of the brake disk to which the spacer is engaged lies within a single plane. 17. The brake hub assembly of claim 10, wherein the brake disk includes a first plate on which the first braking surface is defined,a second plate on which the second braking surface is defined, the first and second plates separated by an axial spacing, anda plurality of ribs extending between the first and second plates to define a plurality of cooling channels therebetween,wherein the spacer is engaged with the second braking surface, and wherein the torque member extends axially inboard from the second braking surface a distance not more than a thickness of the second plate plus about 50% of the spacing between the first and second plates. 18. A brake hub assembly couplable to an axle of a vehicle, the brake hub assembly comprising: a brake hub defining a central axis;a brake disk having a first braking surface and a second braking surface spaced axially from the first braking surface, and wherein the brake disk defines a plurality of radially extending slots; anda torque member extending between the brake disk and the brake hub to transmit torque therebetween, wherein the torque member is at least partially received within and moveable along one of the plurality of radially extending slots of the brake disk, and wherein the torque member includes a spacer engaged to one of the first or second braking surfaces of the brake disk to maintain a fixed axial gap between the brake disk and the brake hub. 19. The brake hub assembly of claim 18, wherein the torque member is integrally formed with the hub. 20. The brake hub assembly of claim 18, wherein at least a portion of the torque member is formed of tubular metal and includes a pair of substantially parallel walls. 21. The brake hub assembly of claim 18, wherein at least a portion of the torque member is formed from a cylindrical roll spring. 22. The brake hub assembly of claim 18, wherein the radially extending slots are defined by the first or second braking surfaces. 23. The brake hub assembly of claim 18, wherein at least a portion of the torque member includes a stud coupled to the brake hub and a cap coupled to the stud. 24. The brake hub assembly of claim 23, wherein the stud includes a cylindrical roll spring. 25. The brake hub assembly of claim 18, wherein the torque member is moveable along one of the plurality of radially extending slots of the brake disk in response to thermal expansion and contraction of the brake disk. 26. The brake hub assembly of claim 18, wherein the torque member is coupled to the hub by at least one of a fastener, press fit, and peening. 27. The brake hub assembly of claim 18, wherein the spacer includes a first portion located on a first side of the torque member and a second portion located on an opposite, second side of the torque member, wherein the first and second portions of the spacer are both engaged with the first braking surface, and wherein the first and second portions of the spacer are non-contiguous. 28. The brake hub assembly of claim 27, wherein each of the first and second portions of the spacer is radially oriented. 29. The brake hub assembly of claim 18, wherein the one of the first or second braking surfaces of the brake disk to which the spacer is engaged lies within a single plane. 30. The brake hub assembly of claim 18, wherein the brake disk includes a first plate on which the first braking surface is defined,a second plate on which the second braking surface is defined, the first and second plates separated by an axial spacing, anda plurality of ribs extending between the first and second plates to define a plurality of cooling channels therebetween,wherein the spacer is engaged with the second braking surface, and wherein the torque member extends axially inboard from the second braking surface a distance not more than a thickness of the second plate plus about 50% of the spacing between the first and second plates.
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