Question

HARVESTINGहार्वेस्टर रिंग ​

Answer 1

. Harrows and Diggers (part); Plant 4– 1–49 || 6–11-48 || 2581 ring Unloaders; ... Excavating; Mining, | 12–28–48 3–9– 48 || 2824 Harvesting. , Harvesters; ...

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Answer 2

Explanation:

The harvester is made of a concentric outer ring stator and an inner ring rotator. The stator ring is made of a series of discrete piezoelectric patches with a rectangular shape surface mounted by magnetic ring slabs with the same size. All the piezoelectric patches and the magnetic slabs are placed on an aluminum ring. The rotator ring is made of a serious of magnetic rectangular slabs mounted on an aluminum ring with the exact size of the corresponding piezoelectric patches on the stator. Because of periodic magnetic forces between the stator ring and the rotator ring, a compression is induced to the piezoelectric patches leading to an electric charge for energy harvester