A non-pneumatic wheel assembly (10) which has an outer rim assembly (26), an inner vehicle hub connection member (11), a compartment located between the outer rim assembly (26) and the inner hub connection member (11) which has a plurality of spring elements (21, 22) wherein at least some of the spr
A non-pneumatic wheel assembly (10) which has an outer rim assembly (26), an inner vehicle hub connection member (11), a compartment located between the outer rim assembly (26) and the inner hub connection member (11) which has a plurality of spring elements (21, 22) wherein at least some of the spring elements (21, 22) are attached to the outer rim assembly (26) and/or the inner hub connection member (11) characterised in that the spring elements (21, 22) are oriented in opposed or counteracting orientations.
대표청구항▼
1. A non-pneumatic wheel assembly which has (i) an outer rim assembly (26, 26A);(ii) an inner vehicle hub connection member (11, 11A);(iii) a compartment (9) located between the outer rim assembly (26, 26A) and the inner hub connection member (11, 11A);(iv) at least one pair of arrays of spring elem
1. A non-pneumatic wheel assembly which has (i) an outer rim assembly (26, 26A);(ii) an inner vehicle hub connection member (11, 11A);(iii) a compartment (9) located between the outer rim assembly (26, 26A) and the inner hub connection member (11, 11A);(iv) at least one pair of arrays of spring elements (21);(v) at least one other array of spring elements (22,22A); and(vi) at least some of the spring elements (21, 22) of both the at least one pair of arrays of spring elements and the at least one other array of spring elements attached to the outer rim assembly (26) and to the inner vehicle hub connection member (11), wherein:the spring elements (21, 22) of both the at least one pair of arrays of spring elements and the at least one other array of spring elements are arcuate and the spring elements (21) of the at least one pair of arrays of spring elements are arranged in an opposing or counteracting orientation being convexly curved in a first circumferential direction of the wheel assembly, to the spring elements of the at least one other array (22, 22A) being convexly curved in a second circumferential direction of the wheel assembly opposite to the first circumferential direction; andeach of the respective arrays of the at least one pair of arrays (21) of spring elements and the at least one other array (22, 22A) of spring elements is located in a plane that is different from the planes in which the other arrays are located. 2. A non-pneumatic wheel assembly as claimed in claim 1 wherein each of the spring elements of both the at least one pair of arrays of spring elements and the at least one other array of spring elements has a shape corresponding substantially to an arc of a circle. 3. A non-pneumatic wheel assembly as claimed in claim 1 which includes one pair of arrays of spring elements (21) and one other array of spring elements (22,22A). 4. A non-pneumatic wheel assembly as claimed in claim 1 including one pair of arrays of spring elements (21) and wherein the at least one other array of spring elements (22, 22A) includes two arrays of spring elements (22, 22A). 5. A non-pneumatic wheel assembly as claimed in claim 1 wherein the outer rim assembly comprises a solid annular member covered in rubber or other suitable elastomeric material. 6. A non-pneumatic wheel assembly as claimed in claim 1 wherein the outer rim assembly comprises a flexible or deformable annular member comprising a plurality of traction or rim elements pivotally or hingedly connected to each other. 7. A non-pneumatic wheel assembly as claimed in claim 6 wherein the traction or rim elements are in the form of plates. 8. A non-pneumatic wheel assembly as claimed in claim 6 wherein each of the traction elements has an outer rubber tread element attached thereto so that the outer rim assembly comprises a plurality of traction elements covered in tread elements thereby providing a multiplicity of pads all hingedly connected to each other. 9. A non-pneumatic wheel assembly as claimed in claim 6 wherein the plurality of traction elements are covered by an annular member of solid rubber. 10. A non-pneumatic wheel assembly as claimed in claim 1 wherein the outer rim assembly is covered with an annular rubber sheath as a friction grip drive for use of the non-pneumatic wheel assembly on an internal surface of tracks of machinery. 11. A non-pneumatic wheel assembly as claimed in claim 1 wherein the outer rim assembly has elevated teeth for use on an internal surface of tracks of machinery to provide a positive drive for tracks with central drive sprocket apertures. 12. A non-pneumatic wheel assembly as claimed in claim 1 wherein the inner vehicle hub connection member is a solid annular member which has an inwardly extending flange having a plurality of attachment apertures for attachment to a hub of a vehicle. 13. A non-pneumatic wheel assembly as claimed in claim 12 wherein the inner hub connection member on an internal surface thereof has a plurality of races for supporting the spring elements. 14. A non-pneumatic wheel assembly as claimed in claim 13 wherein at least one race supports an array of spring elements which are curved or arcuate and all oriented in a similar direction. 15. A non-pneumatic wheel assembly as claimed in claim 1 wherein there are provided inner attachment means for the spring elements comprising a plurality of attachment lugs or pinning lugs for attachment of a proximal end of an adjacent spring element to the inner hub connection member. 16. A non-pneumatic wheel assembly as claimed in claim 15 wherein there are provided opposed pairs of pinning lugs whereby the end of a respective spring element may be attached to a suitable pair of lugs by an appropriate fastener. 17. A non-pneumatic wheel assembly as claimed in claim 1 wherein there are provided outer attachment means for the spring elements in the form of pairs of spaced lugs which pairs of spaced lugs extend away from an internal surface of the outer rim assembly. 18. A non-pneumatic wheel assembly as claimed in claim 1 incorporating a plurality of damping elements to act in conjunction with the spring elements to limit unwanted movement or excitation of the spring elements. 19. A non-pneumatic wheel assembly as claimed in claim 18 wherein the damping elements comprise hydraulic ram assemblies, gas struts or members having a suitably inwardly directed bias ensuring that the wheel assembly has a circular shape. 20. A non-pneumatic wheel assembly as claimed in claim 1 wherein each spring element of each array is similar in cross-sectional shape. 21. A non-pneumatic wheel assembly as claimed in claim 1 wherein there is provided at least one intermediate ring between the inner hub connection member and the outer rim assembly. 22. A non-pneumatic wheel assembly as claimed in claim 1 wherein the other array is a double array of spring elements with each of the pair of arrays of spring elements located on an outer side of the non-pneumatic wheel assembly and the other array of spring elements is interposed between each outer array of spring elements and comprises a single array of spring elements having a width that is substantially greater than spring elements of each of the pair of arrays. 23. A non-pneumatic wheel assembly as claimed in claim 22 wherein each of the spring elements of said double array and said pair of arrays are attached to pockets located on an outer surface of the inner vehicle hub connection member and also located on an inner surface of the outer rim assembly. 24. A non-pneumatic wheel assembly which has (i) an outer rim assembly (26, 26A);(ii) an inner vehicle hub connection member (11, 11A);(iii) a compartment (9) located between the outer rim assembly (26, 26A) and the inner hub connection member (11, 11A);(iv) at least one pair of arrays of spring elements (21);(v) at least one other array of spring elements (22,22A); and(vi) at least some of the spring elements (21, 22) of both the at least one pair of arrays of spring elements and the at least one other array of spring elements attached to the outer rim assembly (26) and to the inner vehicle hub connection member (11);whereinthe spring elements (21, 22) of both the at least one pair of arrays of spring elements and the at least one other array of spring elements are arcuate and the spring elements (21) of the at least one pair of arrays of spring elements are arranged in an opposing or counteracting orientation being convexly curved in a first circumferential direction of the wheel assembly, to the spring elements of the at least one other array (22, 22A) being convexly curved in a second circumferential direction of the wheel assembly opposite to the first circumferential direction,the assembly includes one pair of arrays of spring elements (21) and one other array of spring elements (22,22A), andthe other array of spring elements (22A) has a width that is approximately twice that of the spring elements (21) of the one pair of arrays. 25. A non-pneumatic wheel assembly which has (i) an outer rim assembly (26, 26A);(ii) an inner vehicle hub connection member (11, 11A):(iii) a compartment (9) located between the outer rim assembly (26, 26A) and the inner hub connection member (11, 11A);(iv) at least one pair of arrays of spring elements (21);(v) at least one other array of spring elements (22, 22A); and(vi) at least some of the spring elements (21, 22) of both the at least one pair of arrays of spring elements and the at least one other array of spring elements attached to the outer rim assembly (26) and to the inner vehicle hub connection member (11), whereinthe spring elements (21, 22) of both the at least one pair of arrays of spring elements and the at least one other array of spring elements are arcuate and the spring elements (21) of the at least one pair of arrays of spring elements are arranged in an opposing or counteracting orientation being convexly curved in a first circumferential direction of the wheel assembly, to the spring elements of the at least one other array (22, 22A) being convexly curved in a second circumferential direction of the wheel assembly opposite to the first circumferential direction, anda first array of spring elements (21) of the at least one pair of arrays of spring elements and a corresponding second array of spring elements (21) of the at least one pair of arrays of spring elements are located laterally and symmetrically to each other in relation to a central vertical plane (29a) extending through the outer rim assembly (26A) and the inner vehicle hub connection member (11A). 26. A non-pneumatic wheel assembly as claimed in claim 25 wherein the at least one other array of spring elements (22, 22A) includes two arrays of spring elements (22) located laterally and symmetrically with each other with respect to a central vertical plane (29A) extending through the outer rim assembly (26) and the inner vehicle hub connection (11).
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이 특허에 인용된 특허 (3)
Chen Ling-Lea,TWX, Shock-absorbing safety wheel for motor vehicles.
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