This type of ventilation system utilizes a motor and a belt to rotate fan blades, which draw air out of a space. A common application is in industrial settings where large volumes of air must be moved to control temperature, humidity, or remove airborne contaminants. The motor powers a series of pulleys and belts connected to the fan assembly, allowing for adjustable speed control and potential for higher airflow compared to direct-drive systems.
The mechanical advantage offered by this configuration allows for flexibility in fan placement and motor selection, optimizing performance for specific applications. Historically, these systems have been a reliable and cost-effective solution for ventilation needs in factories, warehouses, and agricultural facilities. The ability to easily adjust the fan speed by changing pulley sizes or utilizing variable speed motors allows for fine-tuning the airflow to match changing environmental conditions.
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