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(11)

EP 3 596 406 A1

(12)

(43) Date of publication: 22.01.2020 Bulletin 2020/04 (21) Application number: 18768251.3 (22) Date of filing: 19.03.2018

(51) International Patent Classification (IPC):  F24H 3/00(2006.01) F24H 3/06(2006.01) F24H 9/00(2006.01) F28F 9/00(2006.01) F28F 9/04(2006.01) F28F 9/18(2006.01) F28F 21/04(2006.01) F24H 3/02(2006.01) F24H 3/08(2006.01) F28F 1/00(2006.01) F28F 9/02(2006.01) F28F 9/16(2006.01) F28F 21/00(2006.01) F28F 21/08(2006.01) (86) International application number: PCT/US2018/023160 (87) International publication number: WO 2018/170514 (20.09.2018 Gazette 2018/38)

(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: 17.03.2017 US 201762472842 P (71) Applicant: Beckett Gas, Inc. North Ridgeville, OH 44039 (US)	(72) Inventor: O'DONNELL, Michael J. Avon Ohio 44011 (US) (74) Representative: Frenkel, Matthias Alexander  Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstrasse 2 81541 München 81541 München (DE)