WO2023088647A1 - Dispositif de réfrigération cryogénique - Google Patents
Dispositif de réfrigération cryogénique Download PDFInfo
- Publication number
- WO2023088647A1 WO2023088647A1 PCT/EP2022/079867 EP2022079867W WO2023088647A1 WO 2023088647 A1 WO2023088647 A1 WO 2023088647A1 EP 2022079867 W EP2022079867 W EP 2022079867W WO 2023088647 A1 WO2023088647 A1 WO 2023088647A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flange
- cover
- cryogenic
- enclosure
- cryogenic cooler
- Prior art date
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 20
- 239000012530 fluid Substances 0.000 claims description 24
- 238000010790 dilution Methods 0.000 claims description 16
- 239000012895 dilution Substances 0.000 claims description 16
- 238000005086 pumping Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004861 thermometry Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000005347 demagnetization Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims description 2
- 238000013017 mechanical damping Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- SWQJXJOGLNCZEY-BJUDXGSMSA-N helium-3 atom Chemical compound [3He] SWQJXJOGLNCZEY-BJUDXGSMSA-N 0.000 description 4
- 239000000523 sample Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000002470 thermal conductor Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/10—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point with several cooling stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle
- F25B9/145—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle pulse-tube cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/006—Thermal coupling structure or interface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/14—Compression machines, plants or systems characterised by the cycle used
- F25B2309/1414—Pulse-tube cycles characterised by pulse tube details
Definitions
- the invention relates to a cryogenic refrigeration device.
- the invention relates more particularly to a cryogenic refrigeration device comprising an enclosure defining a sealed volume closed by a lid, the device comprising at least one cryogenic cooler mounted through the lid and having a first end located outside the enclosure and a second end located in the enclosure, the cryogenic cooler being configured to produce cold at its second end, the device comprising a set of heat-conducting plates arranged in the enclosure forming thermal stages cooled by the cryogenic cooler, the device comprising a set of passages formed through the cover and trays for the sealed passage of cable(s) and/or apparatus(es) in the enclosure.
- the invention relates to a refrigeration device making it possible to cool elements to a cryogenic temperature below 100K and in particular below 50K or below 4K.
- the invention relates to refrigeration devices which make it possible to cool to very low temperatures, of the order of one millikelvin. These very low temperatures are conventionally obtained via a dilution refrigerator.
- a dilution refrigerator uses a mixture of helium 3 and helium 4 in a working circuit comprising a boiler, a mixing chamber and a device for circulating the helium flow. Cooling is obtained at the level of the mixing chamber from the enthalpy of mixing when helium-3 is diluted in helium 4.
- a refrigeration device has a working loop circuit containing a cycle fluid comprising a mixture of isotope helium 3 (3He) and isotope helium 4 (4He).
- the working circuit comprises, arranged in series and fluidically connected via a first set of pipe(s), a mixing chamber, a boiler and a fluid transfer member.
- the first set of pipe(s) is configured to transfer cycle fluid from an outlet of the mixing chamber to an inlet of the boiler and from an outlet of the boiler to an inlet of the transfer member.
- the working circuit includes a second set of pipe(s) connecting an outlet of the transfer unit to an inlet of the mixing chamber.
- the working circuit comprises at least a first heat exchange portion between at least a part of the first set of conduit(s) and the second set of conduit(s), this first heat exchange portion being located between the boiler and mixing chamber.
- a cooling member is generally provided in heat exchange with the working circuit and configured to transfer cold temperatures to the cycle fluid.
- Such a dilution refrigerator typically comprises several stages of cooling, each stage being configured to obtain a respective temperature during the operation of the dilution refrigerator.
- the components to be cooled can be thermally coupled to these stages to meet the specifics of the application.
- dilution refrigerators are conventionally arranged in a cryogenic cooling device comprising an enclosure allowing access to the cold parts (cooling stages) via dedicated passages.
- An additional mechanical cryocooler is generally provided to cool the enclosure and provide cold temperatures to the dilution cooler.
- An object of the present invention is to overcome all or part of the drawbacks of the prior art noted above.
- the device according to the invention is essentially characterized in that at least part of the cover is composed of a flange forming a support for the cryogenic cooler, said flange carrying the cryogenic cooler being fixed in a leaktight and removable manner with respect to the rest of the cover.
- the invention may also relate to any alternative device or method comprising any combination of the characteristics above or below within the scope of the claims.
- FIG. 1 represents a vertical sectional view, schematic and partial, illustrating an embodiment of a cryogenic refrigeration device according to the invention
- FIG. 1 represents a perspective, schematic and partial view, illustrating an example of a cryogenic cooler module that can be used in such a cryogenic refrigeration device
- FIG. 1 represents a perspective view, schematic and partially cut, illustrating an example of a detail of a cryogenic refrigeration device according to the invention
- FIG. 1 represents a top view, schematic and partial, illustrating an example of a lid of such a cryogenic refrigeration device in the disassembled configuration
- FIG. 1 represents a top view, schematic and partial, illustrating another example of a cover of such a cryogenic refrigeration device in mounted configuration
- FIG. 1 represents a vertical sectional view, schematic and partial, illustrating another example of a cover of such a cryogenic refrigeration device in mounted configuration
- FIG. 1 represents a perspective view, schematic and partial, illustrating another example of a lid of such a cryogenic refrigeration device in the disassembled configuration.
- the cryogenic refrigeration device 1 illustrated in comprises an enclosure 2 delimiting a sealed volume closed by a cover 3, 13 above.
- This type of device 1 is sometimes called a “cryostat”.
- the enclosure 2 is for example cylindrical and can be made of stainless steel or aluminum for example. In operation, the interior volume of enclosure 2 can be placed under vacuum for thermal insulation purposes in particular.
- the device 1 comprises, in the example of , two cryogenic coolers 4, 40 mounted through the cover 3, 13 and each having a first end located outside the enclosure 2 (at room temperature) and a second end located in the enclosure 2 (at cryogenic temperature Operating).
- Each cryogenic cooler 4, 40 is configured to produce or supply cold power at its second end.
- the device 1 comprises a set of plates 5, 6, 7, 8, 9 thermal conductors distributed vertically in the enclosure 2 and forming thermal stages cooled by at least cryogenic coolers 4, 40 (for example from top to bottom the trays are cooled to decreasing cryogenic temperatures).
- the plates 5, 6, 7, 8, 9 are made of a thermally conductive material, for example copper or any other alloy or any suitable material.
- the plates 5, 6, 7, 8, 9 can be spaced from each other by rods with low thermal conductivity (not shown for the sake of simplification).
- At least one of the plates 5, 6, 7, 8, 9 can be the support for various devices or samples to be cooled at low temperature, for example quantum chips, and/or superconducting circuits or sensors.
- Each plate 5, 6, 7, 8, 9 can be connected to a heat shield 23 which encompasses all or part of the following lower plates. That is to say, the screens 23 form volumes that are contained within each other ("nested" volumes). All or part of the screens 23 can be cooled by a cryogenic cooler 4, 40 by thermal coupling.
- the device 1 comprises a set of passages 10, 11 formed through the cover 3 and the plates 5, 6, 7, 8, 9 for the sealed passage of cable(s) and/or apparatus(es) (probe( s) or other) in the enclosure 2 and for example for access to the plates 5, 6, 7, 8, 9.
- the orifices 10, 11 can be provided in the device 1 to allow a "probe "experimental to pass inside enclosure 2 to provide a sample to be cooled while maintaining a vacuum inside enclosure 2.
- the cryogenic cooler(s) 4, 40 are provided to provide cold power in the enclosure 2 in order to cool the plates (and heat shields if applicable) to determined temperatures.
- the device 1 comprises in particular at least one cryogenic cooler 4 of the "mechanical" type, for example a cryogenic cooler such as a pulsed gas, Gifford McMahon, or Stirling type cooler.
- the device 1 can comprise in particular at least one cryogenic cooler 40 of the dilution type.
- At least a part of the cover 3, 13 is composed of a flange 13 forming a support for a cryogenic cooler 4, 40, said flange 13 carrying the cryogenic cooler 4, 40 being fixed in a sealed and removable manner by relative to the rest of the cover 3.
- cryogenic coolers 4, 40 are mounted on one or more flanges 13 which are removable from the rest of the cover 3.
- cryogenic cooler(s) 4, 40 removable and relatively independent from the rest of the device.
- the coolers 4, 40 can be mounted, tested separately from the rest of the device and can be standard and mounted on different types of devices 1 (different geometries of enclosures 2, covers 3, trays, etc.).
- the flange 13 can be made up of a molded and/or machined plate, for example of a material identical to that making up the rest of the cover 3.
- the flange 13 can in particular form a shutter for an open part of the rest 3 of the cover.
- cryogenic cooler(s) 4, 40 can be characterized, dimensioned, manufactured and tested independently of the rest of the configuration of the device.
- these coolers 4, 40 on their support flange 13 can be identical for different ranges of devices.
- a number of one or more cryogenic refrigerators 4, 40 can be mounted on the cover 13 of a device 1 depending on the needs and specifications. Dismantling, maintenance, repair and replacement are also facilitated.
- cryogenic cooler(s) on a flange 13 can be placed in the lid 3 in a centered or off-centered manner depending on the geometry of the lid 3 and/or the architecture of the plates 5, 6, 7, 8, 9 or enclosures 23.
- the cryogenic cooler 4, 40 can be of the type comprising a working fluid circuit subjected to a working cycle and all or part of the components of the working circuit can also be mounted integral with the flange 13 .
- the flange 13 can carry at least one sealed sheath 15, 16 including cold parts, a dilution refrigeration system 16, a set 17, 21 of pipes for the working fluid, a set of capacity(s) 18 (buffer ) configured (s) to store working fluid, a pumping member 19 of the working fluid, a member 20 for injecting working fluid, a set of connector (s) fluid (s).
- a pumping device in particular a vacuum pump
- a set of wiring(s) for example for a thermometry and/or heating system.
- the flange 13 carries a set of lower components of the cryogenic cooler 4, 40 which protrude from the underside of the flange 13 and which are housed in the enclosure 2 when the flange 13 is mounted on the cover 3 through an orifice 30 for passage of the cover 3.
- the flange 13 also carries at least a part of upper components which protrude from the upper surface of the flange 13 (and located outside the enclosure 2 in the mounted position).
- the lower components are dimensioned and/or arranged to pass through the orifice 30 to allow the assembly or disassembly of the flange 13 and the components of the cryogenic cooler associated with respect to the enclosure 2 through the cover 3.
- the lower components of the cryogenic cooler 4, 40 extend for example in a longitudinal direction which is vertical when the flange 13 is mounted on the cover 3.
- these lower components of the cryogenic cooler 4, 40 have transverse dimensions by relative to the longitudinal direction which are smaller than the dimensions of the orifice 30 (to allow passage vertically).
- These lower components of the cryogenic cooler 4, 40 are for example aligned in the longitudinal direction up to a terminal end, forming a column of components. As illustrated, the transverse dimensions of the column are constant or decreasing from the flange 13 towards the terminal end. This allows easy assembly and disassembly through the hole 30 of the cover.
- cover 3 can be the support for a thermometry box 24 (measuring and/or heating).
- cover 3 (excluding the flange 13) can be the support for a pump 25 to ensure that the enclosure 2 is placed under vacuum. despite everything still be located on this lid 3.
- Each cryogenic refrigerator module 4, 40 can be mounted (or dismantled and removed) vertically relative to the rest of the cover 3.
- the lid 3 may comprise a cutout or recess delimiting an orifice 30 in the lid 3.
- the flange 13 In the fixed (mounted) position of the flange 13 on the rest of the lid 3, the flange 13 seals off said orifice 30.
- the cutout or recess in the cover 3 defines for example a complementary concave housing of at least a part of the flange 13 so that in the fixed position the flange 13 is fitted at least partially in said housing.
- the flange 13 can be fixed to the rest of the cover 3 by a set of fixing pins 14, for example screws.
- flange 13 is screwed from below cover 3.
- the device 1 preferably comprises at least one seal 22 interposed between the flange 13 and the rest of the cover 3 (cf. ) and/or at least one seal 22 interposed between the cryogenic cooler 4, 40 and the flange 13 (cf. ).
- the seal(s) 22 are for example O-rings.
- the device 1 can comprise a single cryogenic cooler 4 (cf. , ) or several cryogenic coolers 4, 40 (cf. , ) in which each cryogenic cooler 4, 40 is mounted on a respective support flange 13 (a single cryogenic cooler 4, 40 is mounted on a support flange 13).
- each cryogenic cooler 4, 40 is mounted on a respective support flange 13 (a single cryogenic cooler 4, 40 is mounted on a support flange 13).
- flange 13 being the support for several cryogenic coolers 4, 40 .
- the device comprises three cryogenic coolers 4, 40 mounted in the central part of the cover 3 via their respective flanges 13.
- the passages 10 formed through the lid 3 can be located on the periphery of the cryogenic refrigerators 4, 40.
- a first cryogenic cooler 4 can be of the mechanical type (pulsed gas tube for example) and configured to cool a first plate 5 above a first cold temperature, for example around 50K and a second plate 6 at a second cold temperature, by example around 5K.
- the trays 7, 8, 9 are for example cooled to lower and lower temperatures, for example of the order of 800 mK, 50 mK and 3 mK respectively by the dilution refrigerator 16 of the other cryogenic refrigerator 40.
- cryogenic coolers 4, 40 and trays can be envisaged, for example four mechanical cryogenic refrigerators 4 and two dilution refrigerators.
- At least one of the cryogenic coolers 4, 40 can be of the type using a cold source of liquefied cycle fluid such as helium, hydrogen or nitrogen. That is to say that the cryogenic cooler 4, 40 is connected to a cold source located outside the enclosure 2, this cold source supplying a flow of liquefied fluid, cooled outside the enclosure , this flow circulates in the cryogenic cooler 4, 40 and is heat exchanged with at least part of the plates 5, 6, 7, 8, 9 in the enclosure 2.
- a cold source of liquefied cycle fluid such as helium, hydrogen or nitrogen.
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
- le couvercle comprend une découpe ou un renfoncement délimitant un orifice dans le couvercle, en position fixée de la bride sur le reste du couvercle, la bride obture de façon étanche ledit orifice,
- la découpe ou le renfoncement dans le couvercle définit un logement conjugué d’au moins une partie de la bride, en position fixée, la bride étant emboîtée au moins partiellement dans ledit logement,
- la bride est fixée au reste du couvercle par un ensemble d’axes de fixation, par exemple des vis,
- le dispositif comprend au moins un joint d’étanchéité interposé entre la bride et le reste du couvercle et/ou au moins un joint interposé entre le refroidisseur cryogénique et la bride,
- le refroidisseur cryogénique est du type comprenant un circuit de fluide de travail soumis à un cycle de travail et en ce que tout ou partie des composants du circuit de travail sont également montés solidaires de la bride,
- l’un au moins des composants du circuit de travail suivants sont montés solidaires de la bride: au moins une gaine, un système de réfrigération à dilution, un ensemble de tuyauterie pour le fluide de travail, une ensemble de capacité(s) configurée(s) pour stocker du fluide de travail, un organe de pompage du fluide de travail, un organe d’injection de fluide de travail, un ensemble de raccord(s) fluidique(s), un organe de pompage, notamment une pompe à vide, un ensemble de câblage(s) par exemple pour un système de thermométrie et/ou de chauffage, une tresse de liaison thermique, un refroidisseur de type à gaz pulsé, un ou plusieurs interrupteurs thermiques, un ou plusieurs pièges à impureté, un soufflet, un système d’amortissement mécanique,
- le dispositif comprend plusieurs refroidisseurs cryogéniques montés sur des brides support respectives,
- le dispositif comprend plusieurs refroidisseurs cryogéniques montés sur une même bride,
- le dispositif comprend au moins un refroidisseur cryogénique parmi ; un refroidisseur du type à gaz pulsé, Gifford McMahon, ou Stirling, et/ou au moins parmi : un réfrigérateur du type à dilution, un réfrigérateur de type Joule-Thompson à He3 ou He4, un réfrigérateur à désaimantation adiabatique,
- le dispositif comprend au moins un refroidisseur cryogénique monté en partie centrale du couvercle via sa bride et un ensemble de plusieurs passages formés au travers du couvercle et situés en périphérie du au moins un réfrigérateur cryogénique.
Claims (12)
- Dispositif de réfrigération cryogénique comprenant une enceinte (2) délimitant un volume étanche refermé par un couvercle (3, 13), le dispositif (1) comprenant au moins un refroidisseur (4, 40) cryogénique monté au travers du couvercle (3, 13) et ayant une première extrémité située à l’extérieur de l’enceinte (2) et une seconde extrémité située dans l’enceinte (2), le refroidisseur (4, 40) cryogénique étant configuré pour produire du froid au niveau de sa seconde extrémité, le dispositif (1) comprenant un ensemble de plateaux (5, 6, 7, 8, 9) conducteurs thermiques disposés dans l’enceinte (2) formant des étages thermiques refroidis par le refroidisseur (4, 40) cryogénique, le dispositif (1) comprenant un ensemble de passages (10,11) formés au travers du couvercle (3) et des plateaux (5, 6, 7, 8, 9) pour le passage étanche de câble(s) et/ou d’appareillage(s) dans l’enceinte (2),au moins une partie du couvercle (3, 13) étant composée d’une bride (13) formant un support pour le refroidisseur (4, 40) cryogénique, ladite bride (13) portant le refroidisseur (4, 40) cryogénique étant fixée de façon étanche et démontable par rapport au reste du couvercle (3), le refroidisseur (4, 40) cryogénique étant du type comprenant un circuit de fluide de travail soumis à un cycle de travail, tout ou partie des composants du refroidisseur (4, 40) cryogénique et notamment du circuit de travail étant également montés solidaires de la bride (13) caractérisé en ce que le refroidisseur cryogénique comprend au moins l’un au moins des composants suivants monté solidaire de la bride (13) : au moins une gaine (15, 16), un système (16) de réfrigération à dilution, un ensemble (17, 21) de tuyauterie pour le fluide de travail, un ensemble de capacité(s) (18) configurée(s) pour stocker du fluide de travail, un organe de pompage (19) du fluide de travail, un organe (20) d’injection de fluide de travail, un ensemble de raccord(s) fluidique(s), un organe de pompage, notamment une pompe à vide, un ensemble de câblage(s) par exemple pour un système de thermométrie et/ou de chauffage, une tresse de liaison thermique, un refroidisseur de type à gaz pulsé, un ou plusieurs interrupteurs thermiques, un ou plusieurs pièges à impureté, un soufflet, un système d’amortissement mécanique.
- Dispositif selon la revendication 1, caractérisé en ce que la bride (13) porte un ensemble de composants inférieurs du refroidisseur cryogénique (4, 40) faisant saillie sur la face inférieure de la bride (13) et qui sont logés dans l’enceinte (2) lorsque la bride (13) est montée sur le couvercle (3) au travers d’un orifice (30) de passage du couvercle (3), et en ce que ces composants inférieurs sont dimensionnés et/ou agencés pour passer au travers de l’orifice (30) pour permettre le montage ou le démontage de la bride (13) et des composants du refroidisseur cryogénique associés par rapport à l’enceinte (2) au travers du couvercle (3).
- Dispositif selon la revendication 2, caractérisé en ce que les composants inférieurs du refroidisseur cryogénique (4, 40) faisant saillie sur la face inférieure de la bride (13) s’étendent selon une direction longitudinale qui est verticale lorsque la bride (13) est montée sur le couvercle (3) et en ce que ces composants inférieurs du refroidisseur cryogénique (4, 40) ont des dimensions transversales par rapport à la direction longitudinale qui sont inférieures aux dimensions de l’orifice (30).
- Dispositif selon la revendication 3, caractérisé en ce que les composants inférieurs du refroidisseur cryogénique (4, 40) sont alignés selon la direction longitudinale jusqu’à une extrémité terminale en formant une colonne de composants et en ce que les dimensions transversales de la colonne sont constantes ou décroissantes de la bride (13) vers l’extrémité terminale.
- Dispositif selon l’une quelconque des revendications 2 à 4, caractérisé en ce que le couvercle (3) comprend une découpe ou un renfoncement délimitant l’orifice (30) dans le couvercle (3) et en ce que, en position fixée de la bride (13) sur le reste du couvercle (3), la bride (13) obture de façon étanche ledit orifice (30).
- Dispositif selon la revendication 5, caractérisé en ce que la découpe ou le renfoncement dans le couvercle (3) définit un logement conjugué d’au moins une partie de la bride (13), en position fixée, la bride (13) étant emboîtée au moins partiellement dans ledit logement.
- Dispositif selon l’une quelconque des revendications 1 à 6, caractérisé en ce que la bride (13) est fixée au reste du couvercle (3) par un ensemble d’axes (14) de fixation, par exemple des vis.
- Dispositif selon l’une quelconque des revendications 1 à 7, caractérisé en ce qu’il comprend au moins un joint (22) d’étanchéité interposé entre la bride (13) et le reste du couvercle (3) et/ou au moins un joint (22) interposé entre le refroidisseur (4, 40) cryogénique et la bride (13).
. - Dispositif selon l’une quelconque des revendications 1 à 8, caractérisé en ce que le dispositif comprend plusieurs refroidisseurs (4, 40) cryogéniques montés sur des brides (13) support respectives.
- Dispositif selon l’une quelconque des revendications 1 à 9, caractérisé en ce que le dispositif comprend plusieurs refroidisseurs (4, 40) cryogéniques montés sur une même bride (13).
- Dispositif selon l’une quelconque des revendications 1 à 10, caractérisé en ce qu’il comprend au moins un refroidisseur (4, 40) cryogénique parmi ; un refroidisseur du type à gaz pulsé, Gifford McMahon, ou Stirling, et/ou au moins parmi : un réfrigérateur du type à dilution, un réfrigérateur de type Joule-Thompson à He3 ou He4, un réfrigérateur à désaimantation adiabatique.
- Dispositif selon l’une quelconque des revendications 1 à 11, caractérisé en ce qu’il comprend au moins un refroidisseur (4, 40) cryogénique monté en partie centrale du couvercle (3) via sa bride (13) et un ensemble de plusieurs passages (10) formés au travers du couvercle (3) et situés en périphérie du au moins un réfrigérateur (4, 40) cryogénique.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202280073961.8A CN118202209A (zh) | 2021-11-17 | 2022-10-26 | 低温制冷装置 |
EP22808814.2A EP4433763A1 (fr) | 2021-11-17 | 2022-10-26 | Dispositif de réfrigération cryogénique |
AU2022392367A AU2022392367A1 (en) | 2021-11-17 | 2022-10-26 | Cryogenic refrigeration device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2112152A FR3129199B1 (fr) | 2021-11-17 | 2021-11-17 | Dispositif de réfrigération cryogénique |
FRFR2112152 | 2021-11-17 |
Publications (1)
Publication Number | Publication Date |
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WO2023088647A1 true WO2023088647A1 (fr) | 2023-05-25 |
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PCT/EP2022/079867 WO2023088647A1 (fr) | 2021-11-17 | 2022-10-26 | Dispositif de réfrigération cryogénique |
Country Status (5)
Country | Link |
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EP (1) | EP4433763A1 (fr) |
CN (1) | CN118202209A (fr) |
AU (1) | AU2022392367A1 (fr) |
FR (1) | FR3129199B1 (fr) |
WO (1) | WO2023088647A1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0015728A1 (fr) * | 1979-03-02 | 1980-09-17 | Air Products And Chemicals, Inc. | Cryostat |
US4765153A (en) * | 1986-02-12 | 1988-08-23 | Kabushiki Kaisha Toshiba | Cryostat with radiation shields cooled by refrigerator |
US20200240702A1 (en) * | 2017-10-12 | 2020-07-30 | Sumitomo Heavy Industries, Ltd. | Mounting structure and mounting method of cryocooler |
-
2021
- 2021-11-17 FR FR2112152A patent/FR3129199B1/fr active Active
-
2022
- 2022-10-26 CN CN202280073961.8A patent/CN118202209A/zh active Pending
- 2022-10-26 WO PCT/EP2022/079867 patent/WO2023088647A1/fr active Application Filing
- 2022-10-26 AU AU2022392367A patent/AU2022392367A1/en active Pending
- 2022-10-26 EP EP22808814.2A patent/EP4433763A1/fr active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0015728A1 (fr) * | 1979-03-02 | 1980-09-17 | Air Products And Chemicals, Inc. | Cryostat |
US4765153A (en) * | 1986-02-12 | 1988-08-23 | Kabushiki Kaisha Toshiba | Cryostat with radiation shields cooled by refrigerator |
US20200240702A1 (en) * | 2017-10-12 | 2020-07-30 | Sumitomo Heavy Industries, Ltd. | Mounting structure and mounting method of cryocooler |
Also Published As
Publication number | Publication date |
---|---|
AU2022392367A1 (en) | 2024-06-20 |
CN118202209A (zh) | 2024-06-14 |
EP4433763A1 (fr) | 2024-09-25 |
FR3129199A1 (fr) | 2023-05-19 |
FR3129199B1 (fr) | 2023-11-24 |
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