ULTRASONIC PIEZOELECTRIC CONVERTER (VERSIONS) Russian patent published in 2010 - IPC H01L41/08 B06B1/06 

FIELD: electricity.

SUBSTANCE: ultrasound piezoelectric converter contains branch pipe (3) with cone-shaped inner surface made in its lower end. Acoustic line is made in the form of common structural element including cylinder (6), flattened cone (5) and flattened sphere (4) contacting with its circle with inner cone-shaped surface of branch pipe (3). Flattened cone can be provided with grooves filled with sound absorbing material providing attenuation and absorption of energy of acoustic vibrations.

EFFECT: minimum possible contact of external surface of acoustic line with inner surface of branch pipe to provide high acoustic interference immunity.

8 cl, 8 dwg