Device for lowering airborne sound of flow noises of air and gas-prominent pipes, has air and gas-prominent pipe and laterally added volumes, where laterally added volumes are divided into volume chambers

摘要

The device has an air and gas-prominent pipe (1) and laterally added volumes. The laterally added volumes are divided into volume chambers. Volume combs (3) are equipped with slit shaped channels, by which channel walls (7) are extended over the entire volume width of the laterally added volume.