Title :
Ultrasonic powder-transportation using a pair of phase-shifted bending vibrators
Author :
Yamada, K. ; Nakagawa, T. ; Nakamura, K.
Author_Institution :
Dept. of Electr. Commun., Tohoku Univ., Sendai, Japan
fDate :
5/9/1991 12:00:00 AM
Abstract :
An ultrasonic device for powder transportation is presented which is composed of a pair of bending-vibrators facing each other across a gap. By exciting the two vibrators in phases different from each other by 90 degrees both in time and in space, powder sucked into the gap from an end is transported and sent out from the other end.
Keywords :
piezoelectric transducers; powders; ultrasonic applications; ultrasonic devices; vibrations; US device; phase-shifted bending vibrators; powder-transportation; ultrasonic device;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910529
