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(11)

EP 3 612 731 A1

(12)

(43) Date of publication: 26.02.2020 Bulletin 2020/09 (21) Application number: 18787749.3 (22) Date of filing: 23.04.2018

(51) International Patent Classification (IPC):  F04D 19/00(2006.01) F04D 29/34(2006.01) B63H 1/20(2006.01) F04D 29/00(2006.01) F04D 29/64(2006.01) (86) International application number: PCT/US2018/028884 (87) International publication number: WO 2018/195539 (25.10.2018 Gazette 2018/43)

(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 (30) Priority: 21.04.2017 US 201762488303 P (71) Applicant: Evapco, Inc. Taneytown, MD 21787 (US)	(72) Inventors: MARTINI, Luigi Taneytown Maryland 21787 (US) STRAUSS, Daniel Taneytown Maryland 21787 (US) DE ARAUJO PEREIRA ANDRADE, Ricardo Taneytown Maryland 21787 (US) (74) Representative: Barker Brettell LLP  Medina Chambers Town Quay Southampton SO14 2AQ Southampton SO14 2AQ (GB)