Barton J. Kenyon;Dmitri A. Doudkine;Hamish A. Urquhart;Robert H. Frater
发明人:
Robert H. Frater,Hamish A. Urquhart,Dmitri A. Doudkine,Barton J. Kenyon
申请号:
US12087075
公开号:
US08337145B2
申请日:
2006.12.20
申请国别(地区):
US
年份:
2012
代理人:
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.