(19)

(11)

EP 3 580 505 A1

(12)

(43) Date of publication: 18.12.2019 Bulletin 2019/51 (21) Application number: 18750626.6 (22) Date of filing: 13.02.2018

(51) International Patent Classification (IPC):  F25B 39/04(2006.01) F28D 1/053(2006.01) F28B 7/00(2006.01) F28F 9/02(2006.01) (86) International application number: PCT/US2018/018072 (87) International publication number: WO 2018/148760 (16.08.2018 Gazette 2018/33)

(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 TN (30) Priority: 13.02.2017 US 201762458070 P (71) Applicant: Evapco, Inc. Taneytown, MD 21787 (US)	(72) Inventor: STRUDER, Gordon Taneytown, Maryland 21787 (US) (74) Representative: Barker Brettell LLP  Medina Chambers Town Quay Southampton SO14 2AQ Southampton SO14 2AQ (GB)