(19)
(11) EP 4 500 095 A1

(12)

(43) Date of publication:
05.02.2025 Bulletin 2025/06

(21) Application number: 23718521.0

(22) Date of filing: 31.03.2023
(51) International Patent Classification (IPC): 
F25B 7/00(2006.01)
F25B 41/385(2021.01)
F25B 41/37(2021.01)
F25B 41/39(2021.01)
(52) Cooperative Patent Classification (CPC):
F25B 7/00; F25B 41/37; F25B 2400/052; F25B 2400/054; F25B 40/00; F25B 41/39; F25B 41/385
(86) International application number:
PCT/US2023/017051
(87) International publication number:
WO 2023/192569 (05.10.2023 Gazette 2023/40)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 31.03.2022 US 202263325877 P

(71) Applicant: Thermo Fisher Scientific (Asheville) LLC
Asheville, NC 28804 (US)

(72) Inventors:
  • VISEK, Matej
    Asheville, North Carolina 28804 (US)
  • VALENTI, Nicholas Charles
    Asheville, North Carolina 28804 (US)
  • ZHANG, Wei Xing
    Asheville, North Carolina 28804 (US)

(74) Representative: Stellbrink & Partner Patentanwälte mbB 
Widenmayerstrasse 10
80538 München
80538 München (DE)

   


(54) FREEZERS WITH CASCADE REFRIGERATION SYSTEMS USING PARALLEL EXPANSION DEVICES FOR ADJUSTABLE EXPANSION