ELECTROMAGNETIC ACOUSTIC CONVERTER Russian patent published in 2005 - IPC

FIELD: non-destructive control.

SUBSTANCE: device has inductive coils, body, concentrators, substrate, magnetic duct in form of hollow cylinder, cover and air ducts system. Concentrators body is made of magnetic material, is fixed at hollow cylinder by two joints and a frame. One joint connects body of concentrators to frame, another joint connects frame to hollow cylinder. Body in central portion is made in form of cylinder with apertures for concentrators and provided with plate of non-magnetic material, to which substrate is connected. On the side of object of control, body of concentrators has slants, and on opposite side ends with cone with aperture for feeding compressed air through channels, made in body and in substrate.

EFFECT: simplified construction, higher reliability, higher efficiency.

3 dwg