| A blower wheel, also known as a fan wheel or squirrel cage fan, is a component used in various heating, ventilation, air conditioning (HVAC), and air circulation systems. It consists of a set of blades or vanes arranged in a cylindrical shape, resembling a cage or wheel. The blower wheel is typically connected to a motor, and when the motor spins the wheel, it generates airflow.
Key features and functions of a blower wheel include:
- Air Circulation: The primary function of a blower wheel is to move air. When the motor rotates the wheel, it creates a flow of air, which is then directed through ducts or other pathways to distribute air in a specific space.
- HVAC Systems: Blower wheels are commonly found in HVAC systems, where they help in circulating heated or cooled air throughout a building. They play a crucial role in maintaining a comfortable indoor environment.
- Size and Design: Blower wheels come in various sizes and designs, and the specific type used depends on the application and system requirements. The wheel’s design, including the shape and arrangement of blades, can impact the efficiency and characteristics of the airflow.
- Squirrel Cage Design: The term “squirrel cage” refers to the cylindrical shape of the blower wheel, resembling a cage that a small animal might use. This design is efficient in moving air and is often used in HVAC systems.
Blower wheels are essential components in systems that require air circulation, such as furnaces, air handlers, and ventilation systems. They contribute to the efficient distribution of air for heating, cooling, or general ventilation purposes.
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