(19)

(11)

EP 3 847 372 A1

(12)

(43) Date of publication: 14.07.2021 Bulletin 2021/28 (21) Application number: 19888086.6 (22) Date of filing: 20.11.2019

(51) International Patent Classification (IPC):  F04D 1/00(2006.01) F04D 29/04(2006.01) F04D 17/00(2006.01) F25B 1/04(2006.01) (86) International application number: PCT/US2019/062465 (87) International publication number: WO 2020/106879 (28.05.2020 Gazette 2020/22)

(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: KH MA MD TN (30) Priority: 19.11.2018 US 201862769323 P (71) Applicant: Smart E, LLC Dover, Delaware 19904 (US)	(72) Inventors: ECHENIQUE, Esteban José Buenos Aires (AR) LABOLLITA, Santiago E Ciudad Autonoma De Buenos Aires (AR) (74) Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB  European Patent Attorneys Landsberger Strasse 300 80687 München 80687 München (DE)