Stove jacket cooling, thermal storage heaters, wood-burning stoves, overhead projectors, tanning beds, climate control systems and heating units: all these applications share the need for ventilation with a low overall height and high air flow at low flow rates. The ideal solution: tangential blowers from ebm-papst. The exceptional features of tangential blowers are their high air flow at relatively low back pressure and very good noise characteristics – Enabled by the wide intake and discharge cross-section.
The wide, drum-shaped impellers of the tangential blowers consist of many short blades which, like the centrifugal impeller, are forward curved. The air flows twice in a centrifugal direction through the impeller – from the outside in the intake area and in the opposite direction in the exhaust area. A guiding device at the impeller housing forms a vortex core That ensures a stable flow of air.
Depending on the specific application, tangential blowers are available with asymmetrical shaded-pole motor, capacitor motor or GreenTech EC motor with integrated commutation electronics (including tacho output and PWM or analogue output). For the GreenTech EC motors, a higher speed can be selected than for shaded-pole and capacitor motors, for example to overcome higher back pressure. Using corresponding sensor technology, the tangential blower with GreenTech EC technology configures the necessary operating points automatically and provides the exact air volume needed.
In large tangential blowers – such as those used for underfloor convection heating or air curtains – our newly developed size 43 motor with leading edge GreenTech EC technology is used. The three-core internal rotor motor features outstandingly high efficiency and virtually silent operation. In addition, operating electronics that are tuned exactly to the motor offer individual and precision control options.
