(19)

(11)

EP 3 775 717 A2

(12)

(88) Date of publication A3: 19.12.2019 (43) Date of publication: 17.02.2021 Bulletin 2021/07 (21) Application number: 18913476.0 (22) Date of filing: 06.04.2018

(51) International Patent Classification (IPC):  F25B 9/14(2006.01) F25B 9/06(2006.01) (86) International application number: PCT/US2018/026482 (87) International publication number: WO 2019/194819 (10.10.2019 Gazette 2019/41)

(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 (71) Applicant: Sumitomo (Shi) Cryogenics of America, Inc. Allentown, PA 18103-4783 (US)	(72) Inventor: LONGSWORTH, Ralph C. Allentown, PA 18103-4783 (US) (74) Representative: Whitlock, Holly Elizabeth Ann et al Maucher Jenkins 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)