FIELD: electricity.
SUBSTANCE: ultrasound piezoelectric converter comprises a body with a damping layer applied to its inner surface and inside the body there is a prism, a damper connected to the body and a piezoelectric cell installed at the prism and connected to the damper. At the prism base there are additional plane-parallel rectangular metal plates with spacers between them. The metal plates have different height and form a graded pyramid, and dimensions of the plane-parallel rectangular metal plates are selected on the basis of certain conditions.
EFFECT: potential input of rectangular ultrasonic waves to an element of a metal structure at angles values close to 90 degrees without the use of a complicated control system for time delay in voltage pulses.
3 cl, 2 dwg
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