Impeller, electric blower using the impeller, and electric vacuum cleaner using the electric blower

摘要

An impeller according to the present invention includes a front shroud having an air inlet, a rear shroud provided to face the front shroud, and a plurality of first hubs provided around a first hub portion provided between the front shroud and the rear shroud. A first inducer having one blade portion, a second inducer having a plurality of second blade portions connected to the first blade portion of the first inducer and provided around the second hub portion; The blade is connected to the second blade portion of the inducer and includes a plurality of blades. Thereby, an increase in the number of blades of the inducer can be realized, and a high performance, low noise impeller can be provided.