(19)

(11)

EP 3 455 580 A1

(12)

(43) Date of publication: 20.03.2019 Bulletin 2019/12 (21) Application number: 17725408.3 (22) Date of filing: 10.05.2017

(51) International Patent Classification (IPC):  F42B 4/02(2006.01) F42B 4/30(2006.01) F42B 4/04(2006.01) (86) International application number: PCT/US2017/031927 (87) International publication number: WO 2017/196958 (16.11.2017 Gazette 2017/46)

(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: 12.05.2016 US 201662335342 P (71) Applicant: Wind Management, LLC Stillwater, Minnesota 55082 (US)	(72) Inventor: ARTIG, Rory Stillwater, Minnesota 55082 (US) (74) Representative: AWA Sweden AB  Junkersgatan 1 582 35 Linköping 582 35 Linköping (SE)