| 摘要 |
FIELD: technological processes. ^ SUBSTANCE: device for liquid pumping comprises a base with chamber sections, inlet and outlet channels, a diaphragm with flexible zones, piezocrystals, and also a source of pulse voltage, a control system and a unit of commands input for alternate supply of a voltage pulse to an appropriate piezocrystal. ^ EFFECT: increased accuracy of pumped liquid quantity dosing. ^ 4 dwg |
