Liebherr 904 Excavator, Bagger, Cleanfix Reversible Engine Fan, Cleanifix Helice Reversa - Video

The patented CLEANFIX Reversing Fan system - www.cleanfix.org

The blades of the CLEANFIX fan are always optimally aligned to create the maximum air pressure and airflow. In both the cooling and the cleaning modes, the leading edge of the fan blades cut the air and the trailing edge of the fan blades accelerate the air. Only this CLEANFIX patented system results in high pressure airflow in both fan modes.

To guarantee that the leading edge of the fan is always properly cutting the air and the trailing edge is always accelerating the air in both cooling and cleaning modes, the blades MUST rotate through the cross position.

Other reversing fan systems rely on changing the rotational direction of the fan while the blade profile remains the same. This results in low pressure, low airflow, and highly turbulent reverse flow conditions.