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    • 29. 发明公开
    • Electric generator using a shape memory alloy element
    • Elektrischer Generator mitFormgedächtnislegierungselement
    • EP1384884A1
    • 2004-01-28
    • EP03012463.0
    • 2003-05-30
    • C.R.F. Società Consortile per Azioni
    • Pizzi, MarcoPerlo, Piero
    • F03G7/06
    • F03G7/065H02N2/18
    • A generator of electrical energy comprises a lamina (F) made of a shape-memory material, having a first portion (E), constrained in a fixed way to a respective support (PS), and at least one second flexible portion (A), which can move with respect to the first portion (E). Between the first portion (E) and the second portion (A) there is maintained a temperature gradient such as to determine a cyclic transition of the shape-memory material between the respective austenitic and martensitic phases, with a series of mechanical deformations of the lamina (F) between an elongation state and a contraction state. Piezoelectric means (FP) are envisaged for converting the mechanical deformation of the lamina (F) into electrical energy.
    • 电能发生器包括由形状记忆材料制成的薄片(F),其具有以固定的方式被限制到相应支撑件(PS)的第一部分(E)和至少一个第二柔性部分(A) ,其可以相对于第一部分(E)移动。 在第一部分(E)和第二部分(A)之间保持温度梯度,以便确定形状记忆材料在各自的奥氏体相和马氏体相之间的循环过渡,其中层的一系列机械变形 (F)在伸长状态和收缩状态之间。 压电装置(FP)被设想用于将薄片(F)的机械变形转换成电能。