Robert Henry Frater,Hamish Alexander Urquhart,Dmitri Anatolievich Doudkine,Barton John Kenyon
申请号：
US14198220
公开号：
US10393142B2
申请日:
2014.03.05
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A blower assembly including a motor, an impeller and a volute that is configured such that an inlet chamber of the volute and an outlet chamber of the volute are divided from one another by an airtight membrane and the membrane is configured to allow the transmission of pressure waves between the inlet and outlet chambers.
