| Fans utilize power from a motor to generate a | | | | perpendicular to the blower axis. Hence, fans can |
| volumetric flow of air at a given pressure, and | | | | be configured to deliver a high flow rate, working |
| are considered low-pressure air pumps more | | | | against low pressure while blowers to deliver a |
| often than not. A propeller converts torque | | | | relatively low flow rate against high pressure. |
| (turning force) from the motor (typically | | | | Centrifugal blowers can be squirrel cage type, |
| permanent split capacitor AC induction motors or | | | | have a forward curved wheel or a backward |
| brushless DC) to increase static pressure across | | | | curved wheel.Another major difference is in the |
| the fan rotor and to increase the kinetic energy | | | | mechanism regarding restriction to the air-flow. In |
| of the air particles.Fans are classified into propeller, | | | | a blower, it has an opposite effect on the same |
| tube axial and vane axial styles, and each type | | | | motor driving a fan blade. For instance, the load |
| has different characteristics. Propeller fans consist | | | | on the motor decreases when the motor is |
| of only a motor and propeller and therefore are | | | | driving a squirrel cage blower. As the system |
| the simplest. Tube axial are similar to propellers | | | | becomes clogged, the blower speeds up. On the |
| but has a venturi around the propeller to reduce | | | | other hand, the load on the motor increases and |
| the vortices. Vane axial fans are equipped with | | | | the fan slows down as the airflow system |
| vanes that trail behind the propeller in the airflow | | | | becomes clogged with fan blades.Blowers provides |
| to straighten the swirling flow.The flow and | | | | detailed information about blowers, backpack |
| pressure properties are the main differences | | | | blowers, blower fans, blower motors and more. |
| between a fan and a blower. While fans deliver air | | | | Blowers is the sister site of Electric Pressure |
| in an overall direction that is parallel to the fan | | | | Washers. |
| blade axis, blowers deliver air in a direction that is | | | | |