Method of piezoelectrically atomising and pumping fluids and piezoelectric fluidatomising and pumping device

摘要

A fluid atomising device having a fluid source (77) for supplying fluid to a container (80) where a pumping effect is achieved by the expansion of the volume of a portion of a piezoelectric stacked actuator (83) inside the container (80). The pumping effect pumps a portion of fluid to the space between the stacked piezoelectric actuator (83) and a second stacked piezoelectric actuator (86). Expansion of the actuators (83 and 86) results in the surface thereof facing each other impacting the portion of fluid located in said space thereby atomising the fluid into very small droplets.