| 摘要 |
<p>An industrial fan with a special transmission structure includes a fan housing (1), a plurality of fan blades (2), an adjustable speed motor (3) and a control circuit. The fan blades (2) are mounted in the center of the fan housing (1), and the adjustable speed motor (3) is mounted in a corner of the fan housing (1). The main shaft of the fan blades (2) and the main shaft of the adjustable speed motor (3) are respectively provided with a timing gear (4), and the two timing gears (4) are connected with each other for transmission through a timing belt (5). The fan has low noise and long service life.</p> |
