Patent ID: 8864046

Claim:
A closed nebulizing system for removing bubbles, said closed nebulizing system comprising: a first pump having one single inlet and one single outlet for providing a fluid; a nebulizing module comprising: an outlet channel; an inlet channel connected with said outlet of said first pump; and a plurality of nozzles for nebulizing and ejecting part of said fluid; and a second pump having one single inlet and one single outlet, said inlet of said second pump being connected with said outlet channel for outputting non-nebulized said fluid, wherein said first pump and said second pump are piezoelectric pumps and said inlet of said first pump and said outlet of said second pump are connected with each other through a transmission tube, so that said first pump, said nebulizing module and said second pump form a closed fluid loop, and said fluid continuously contacts with said plurality of nozzles and bubbles generated during nebulization process are evacuated from said nebulizing module.