Patent ID: 6764023
Filing Date: 2004-07-20
Classification: B05B,F04B,F23D

Abstract:
A bi-direction pumping droplet mist ejection apparatus, comprising:a casing having a first wall, a second wall and a housing compartment, the first wall and the second wall being opposite to each other and having respectively an inlet formed on one end thereof, the housing compartment including a reservoir, an ejection chamber and a pressure equalization chamber, the reservoir and the ejection chamber being interposed by flow guiding slant surfaces and buffer edges; a plurality of nozzle orifices run through the first wall and the second wall; a piezoelectric plate located in the housing compartment having a free end and an anchor end; and a clamping pad anchored on an inner wall of the casing for clamping the anchor end of the piezoelectric plate.