(19)

(11)

EP 3 390 925 A1

(12)

(43) Date of publication: 24.10.2018 Bulletin 2018/43 (21) Application number: 16836137.6 (22) Date of filing: 16.12.2016

(51) International Patent Classification (IPC):  F24F 13/28(2006.01) B01D 46/00(2006.01) F24F 3/16(2006.01) (86) International application number: PCT/US2016/067176 (87) International publication number: WO 2017/106648 (22.06.2017 Gazette 2017/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 16.12.2015 US 201562268083 P (71) Applicant: Robovent Products Group, Inc. Sterling Heights, MI 48310 (US)	(72) Inventors: REID, John Royal Oak MI 48073 (US) REID, James Blacklick OH 43004 (US) HATTINGH, Michael Troy MI 48083 (US) (74) Representative: Monzón de la Flor, Luis Miguel  Poeta Joan Maragall, 9 esc. Izq 3º Izq. 28020 Madrid 28020 Madrid (ES)