Global Patent Index - EP 4025845 B1

EP 4025845 B1 20230726 - REGENERATIVE CRYOGENIC MACHINE

Title (en)

REGENERATIVE CRYOGENIC MACHINE

Title (de)

REGENERATIVE KRYOGENE MASCHINE

Title (fr)

MACHINE CRYOGÉNIQUE RÉGÉNÉRATIVE

Publication

EP 4025845 B1 20230726 (FR)

Application

EP 20764432 A 20200904

Priority

  • FR 1909710 A 20190904
  • EP 2020074869 W 20200904

Abstract (en)

[origin: WO2021044034A1] The invention relates to a cryogenic machine of regenerative type, comprising: - a pressure oscillator, - at least one cold finger (20) in fluidic connection with the pressure oscillator, said machine being characterized in that the pressure oscillator comprises a centrifugal compressor (1) and a fluid distribution member (12) configured to distribute working fluid from the centrifugal compressor into said cold finger alternately at high pressure and at low pressure.

IPC 8 full level

F25B 9/14 (2006.01); F25D 19/00 (2006.01)

CPC (source: EP US)

F25B 9/14 (2013.01 - EP US); F25B 9/145 (2013.01 - EP US); F25D 19/006 (2013.01 - EP); F25B 2309/1407 (2013.01 - EP US); F25B 2309/14181 (2013.01 - EP US); F25B 2309/1419 (2013.01 - EP); F25B 2309/1423 (2013.01 - EP US); F25B 2309/1424 (2013.01 - EP)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

FR 3100319 A1 20210305; FR 3100319 B1 20210820; EP 4025845 A1 20220713; EP 4025845 B1 20230726; EP 4025845 C0 20230726; US 2022325922 A1 20221013; WO 2021044034 A1 20210311

DOCDB simple family (application)

FR 1909710 A 20190904; EP 2020074869 W 20200904; EP 20764432 A 20200904; US 202017639989 A 20200904