(19)

(11)

EP 3 221 589 A1

(12)

(43) Date of publication: 27.09.2017 Bulletin 2017/39 (21) Application number: 15804654.0 (22) Date of filing: 19.11.2015

(51) International Patent Classification (IPC):  F04D 25/08(2006.01) F04D 29/64(2006.01) F04D 29/54(2006.01) F04D 19/00(2006.01) (86) International application number: PCT/US2015/061503 (87) International publication number: WO 2016/081693 (26.05.2016 Gazette 2016/21)

(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: 21.11.2014 US 201462083106 P (71) Applicant: Airius IP Holdings, Llc Longmont, CO 80502 (US)	(72) Inventor: AVEDON, Raymond B. Longmont, CO 80502-0978 (US) (74) Representative: Brown, Jennifer Frances  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)