Viscous flow blower

A viscous flow blower, comprising:

• a housing including an inlet, an outlet, a motor, and an internal space;
• a seat being disposed in the housing and including a body, N supporting projections, a connection member, and an axis of rotation wherein N is an integer equal to or greater than five, the N supporting projections extending from the body, the connection member is coaxial with the axis of rotation, and the motor is operatively connected to the seat so that the seat is configured to rotate by activating the motor;
• and
• a plurality of annular blades stacked on the seat and being parallel to each other wherein each of the annular blades include a plurality of through holes with the supporting projections inserted through respectively;
• wherein the N supporting projections are spaced from the axis of rotation by a predetermine distance;
• an angle is formed by a first virtual line extending from one supporting projection to the axis of rotation and a second virtual line extending from an adjacent supporting projection to the axis of rotation so as to form N angles;
• the N angles all have different degrees;
• and the N angles form an arithmetic progression with a common difference.