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1. (WO2017098214) SMART MATERIAL COUPLINGS
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Claims

1 . A land vehicle comprising:-

an armoured v shaped hull;

at least one wheel set with a hub, and

at least one suspension device comprising a shape memory material operably connecting the hull to the wheel set.

2. A vehicle according to claim 1 , wherein the at least one suspension device operably connects the hull to a hub located within the wheel set.

3. A vehicle according to claim 1 or claim 2 wherein the suspension device is in the form of a passive spring suspension.

4. A vehicle according to claim 3, wherein the passive spring suspension is a shape memory alloy in the form of at least one elongate rod, spring, leaf spring, plurality of thin elongate plates, torsion bars.

5. A vehicle according to claim any one of the preceding claims, wherein the suspension device is external to the vehicle.

6. A vehicle according to claim any one of the preceding claims, wherein the shape memory material is a shape memory alloy.

7. A vehicle according to claim 6, wherein the suspension device consists only of at least one shape memory alloy.

8. A vehicle according to claim 2 to 7, wherein a plurality of elongate rods of shape memory alloy operably extend and connect the hull to the hub of the wheel set.

9. A vehicle according to any one of the preceding claims, wherein the suspension device is in a wishbone configuration.

10. A vehicle according to any one of the preceding claims wherein there are a plurality of wheel sets.

1 1 . A vehicle according to any one of the preceding claims wherein there is a power plant located within said vehicle,

at least one externally located drive shaft comprising a shape memory alloy, wherein said drive shaft is located between and operably connected via drive couplings to said power plant and the hub of the at least one wheel set, to provide drive to said at least one wheel set.

12. A vehicle according to selected from Cu-AI-Ni, NiTi, Fe-Mn-Si, Cu-Zn- Al, Cu-AI-Ni, and alloys of zinc, copper, gold and iron.

13. A vehicle according to any one of claims 4 to 12 wherein the plurality of elongate rods are arranged such that the spacing of the fixings to the hull are at a greater distance apart than the fixings on the hub.

14. A land vehicle comprising at least one suspension device, said at least one suspension device comprising a shape memory alloy.

15. A land vehicle according to claim 15 wherein the suspension device is at least one elongate rod, spring, leaf spring, plurality of thin elongate plates, or torsion bars.