Quiet Blower Apparatus and System and Method for Reducing Blower Noise

摘要

A blower assembly including a motor (4), an impeller (6) and a volute (8) that is configured such that an inlet chamber (112) of the volute and an outlet chamber (114) of the volute are divided from one another by an airtight membrane (128a-b) and the membrane is configured to allow the transmission of pressure waves between the inlet and outlet chambers.