A filter device inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media having flutes (24) formed therein. The filter forms a seal between the outer edge of the filter and the downstream side of the duct. The filter media may be rolled or stacked in layers to match the shape of the duct.
申请公布号
CA2252712(A1)
申请公布日期
1997.11.06
申请号
CA19972252712
申请日期
1997.04.24
申请人
DONALDSON COMPANY, INC.;DONALDSON COMPANY, INC.
发明人
ROTHMAN, JIM C..;RISCH, DANIEL T.;GILLINGHAM, GARY R.;TOKAR, JOSEPH C.;WAGNER, WAYNE M.;WAHLQUIST, FRED H.