<p>A filter system for a surface maintenance machine having a hopper assembly for receiving brush-thrown debris including a cyclonic separator for separating dust and debris from air drawn through the hopper via vacuum action. The cyclonic separator may include multiple cyclone and may be in fluid communication with the hopper assembly so as to periodically receive dust and debris exiting the filter system.</p>
申请公布号
WO2009110913(A1)
申请公布日期
2009.09.11
申请号
WO2008US59010
申请日期
2008.04.01
申请人
TENNANT COMPANY;WELLENS, RICHARD, WILLIAM;BASHAM, MICHAEL, THOMAS;HANSEN, KARL
发明人
WELLENS, RICHARD, WILLIAM;BASHAM, MICHAEL, THOMAS;HANSEN, KARL