US 11,701,606 B2
High speed rotating crankcase ventilation filter media and media pack
Brian W. Schwandt, Fort Atkinson, WI (US); Saru Dawar, McFarland, WI (US); Christopher E. Holm, Madison, WI (US); Jerald J. Moy, Oregon, WI (US); and Barry M. Verdegan, Stoughton, WI (US)
Assigned to CUMMINS FILTRATION IP, INC., Columbus, IN (US)
Filed by Cummins Filtration IP, Inc., Columbus, IN (US)
Filed on Feb. 25, 2021, as Appl. No. 17/184,810.
Application 17/184,810 is a continuation of application No. 15/746,973, granted, now 10,974,182, previously published as PCT/US2016/047755, filed on Aug. 19, 2016.
Claims priority of provisional application 62/208,284, filed on Aug. 21, 2015.
Prior Publication US 2021/0178300 A1, Jun. 17, 2021
Int. Cl. B01D 53/22 (2006.01); B01D 39/16 (2006.01); D04H 1/46 (2012.01); D04H 1/4326 (2012.01); B32B 5/02 (2006.01); B32B 5/14 (2006.01); B32B 7/12 (2006.01); B32B 1/08 (2006.01); F02M 35/024 (2006.01)
CPC B01D 39/1623 (2013.01) [B32B 1/08 (2013.01); B32B 5/022 (2013.01); B32B 5/145 (2013.01); B32B 7/12 (2013.01); D04H 1/4326 (2013.01); D04H 1/46 (2013.01); F02M 35/024 (2013.01); B01D 2239/1233 (2013.01); B32B 2250/40 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/0253 (2013.01); B32B 2262/0276 (2013.01); B32B 2262/101 (2013.01); B32B 2307/724 (2013.01)] 39 Claims
OG exemplary drawing
 
1. A filter media comprising:
fibers having a geometric mean fiber diameter between 5 to 40 μm, the fibers having a solidity between 5% and 30%, and between 1% and 5% of the fibers having a diameter larger than 20 μm;
wherein the filter media has a compressibility of less than 25% at pressures greater than 20 kPa.