| 摘要 |
A bubble generator includes a housing engaged in a receptacle, and a casing engaged into the housing and having an outer peripheral fence and a bottom plate, and having a bulge extended upwardly from the bottom plate for forming an inner peripheral channel between the bulge and the peripheral fence, and having a passage formed in the peripheral fence and communicating with the inner peripheral channel of the casing for allowing a fluid to flow into the inner peripheral channel of the casing and to flow out through the passage of the casing and to flow into the compartment of the housing, and the casing includes a number of projections extended from the bulge for agitating the fluid and for generating air bubbles in the fluid. |
