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WO2018105509A1 - Compresseur pour installation de climatisation de véhicule à moteur - Google Patents

Compresseur pour installation de climatisation de véhicule à moteur Download PDF

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Publication number
WO2018105509A1
WO2018105509A1 PCT/JP2017/043242 JP2017043242W WO2018105509A1 WO 2018105509 A1 WO2018105509 A1 WO 2018105509A1 JP 2017043242 W JP2017043242 W JP 2017043242W WO 2018105509 A1 WO2018105509 A1 WO 2018105509A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
sealing device
casing
synthetic
cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/043242
Other languages
English (en)
Inventor
Mohamed Khanchoul
Augustin Bellet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Japan Co Ltd
Original Assignee
Valeo Japan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Japan Co Ltd filed Critical Valeo Japan Co Ltd
Publication of WO2018105509A1 publication Critical patent/WO2018105509A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine

Definitions

  • the field of the present invention is that of compressors fitted to air-conditioning installations for motor vehicles.
  • the invention relates more specifically to methods for sealing a compressor.
  • Air-conditioning installations of motor vehicles comprise a closed circuit inside which a coolant fluid flows.
  • the air-conditioner circuit essentially comprises a compressor, a condenser, an expansion chamber and an evaporator.
  • the compressor comprises an axially extending casing of general cylindrical shape.
  • the casing is equipped with an inlet opening through which the fluid enters at low pressures to the inside of the casing.
  • the fluid then flows through the casing from the inlet opening towards a mechanism for compression of the coolant fluid.
  • An outlet opening is in communication with the compression mechanism for the evacuation of the high-pressure fluid to the outside of the casing, after it has been compressed.
  • the compression mechanism is driven in rotation by a drive unit, the operation of which is regulated by a control module.
  • the drive unit and the control module are fitted inside the casing.
  • the compressor is commonly driven using an electrical wiring set coming from the engine that propels the vehicle.
  • the control module is of necessity powered by at least one electric connector connected to the electrical wiring set located outside the casing. Furthermore, this control module is covered by a cover affixed to the casing.
  • a compressor With a view to solving problems of making the compressor lighter in terms of weight whilst still retaining a degree of mechanical strength for it, a compressor has been proposed that comprises a cover formed by a part made from a synthetic material and another part made from a metallic material. This is, in particular, the case of the compressor cover illustrated in document EP2500516A2.
  • a first drawback of the technology presented in the above-mentioned document lies in the methods for manufacturing the cover.
  • the synthetic part is poured in the metallic part, including at the location of a zone where a joint is arranged.
  • Such operations for manufacturing the cover are complex to implement because they require precise management and positioning of the mould impressions.
  • the joint is attached to the metallic part when the latter is embedded in the plastic part, requiring a particularly complex reserve in the mould impression for releasing a zone of attachment of the joint.
  • a further drawback of this technology lies in the changes that occur in terms of sealing quality over time. Indeed, the joint is exposed to the environment outside the compressor, which is detrimental to its flexibility and sealing quality.
  • the object of the present invention is thus to resolve the above-described drawbacks by designing an electric compressor that has a good level of sealing vis-à-vis the exterior environment, is durable and is capable of preventing the ingress of foreign bodies into the casing and into a space arranged between the metallic part and the plastic part of the cover.
  • the subject of the present invention is a compressor for an air-conditioning installation of a motor vehicle, the compressor extending along a longitudinal axis and comprising at least one casing housing at least one mechanism for compression of a coolant fluid, the compressor comprising a cover affixed to the casing comprising a metallic part and a synthetic part superposed one against the other along the longitudinal axis of the compressor.
  • at least one sealing device ensures a first seal between an environment outside the compressor and a cavity of the compressor configured to house a module for control of a drive unit of the compressor, the sealing device ensuring a second seal between the exterior environment and a space present between the synthetic part and the metallic part of the cover.
  • the synthetic part forms a single monobloc component with the sealing device.
  • Said synthetic part may, for example, have a groove in which the sealing device is directly moulded, thus forming said single monobloc component.
  • the metallic part forms a single monobloc component with the sealing device.
  • Said metallic part may, for example, have a groove in which the sealing device is directly moulded, thus forming said single monobloc component.
  • the metallic part and the synthetic part are distinct from the sealing device, which is arranged in contact with the two parts in order to provide the seal of the cover.
  • the sealing device may have the form of an O-ring or comprise adhesive.
  • the same sealing device is in contact simultaneously with the metallic part, with the synthetic part and with the casing, in order to provide a double seal.
  • the sealing device is thus, for example, in contact simultaneously with a section of the casing and with an interior face of a folded edge of the metallic part.
  • the sealing device may also be in contact with an internal face of the metallic part.
  • the sealing device may be in contact with a peripheral edge of the synthetic part.
  • the compressor may comprise a drive unit, in particular an electric motor, fitted inside the casing so as to drive the compression mechanism, and a module for control of the drive unit housed in the cavity and at least one electric connector powering the control module.
  • the subject of the invention also relates to a vehicle comprising a compressor according to any one of these embodiments.
  • FIG. 1 Figure 1 is a schematic representation of an illustrative embodiment of a compressor according to the invention
  • Figure 2 Figure 2 is a front view of a cover equipping the compressor of Figure 1
  • Figure 3 is an interior view of a cover equipping the compressor of Figure 1 obtained according to a first embodiment of the present invention
  • Figure 4 Figure 4 is a schematic transverse section of the cover equipping the compressor of Figure 1 obtained according to the first embodiment of the present invention
  • Figure 5 Figure 5 is a perspective view of a transverse section of the cover equipping the compressor of Figure 1
  • Figure 6 Figure 6 is a schematic transverse section of the cover equipping the compressor of Figure 1 obtained according to a second embodiment of the present invention
  • Figure 7 Figure 7 is an interior view of a cover equipping the compressor of Figure 1 obtained according to the second embodiment of the present invention.
  • Figure 1 illustrates a compressor 1 organised for equipping an air-conditioning installation equipping a motor vehicle.
  • the compressor 1 comprises a casing 2 that has a general cylindrical shape, extending along a longitudinal axis X.
  • the casing 2 comprises an inlet opening 3 and an outlet opening 4 for a coolant fluid, the latter flowing in the casing 2 from the inlet opening 3 towards the outlet opening 4 along and/or in components installed inside the casing 2.
  • This casing 2 delimits at least one housing 11 in which extends a compression mechanism 5 that compresses the coolant fluid.
  • the compression mechanism 5 is implemented, via a drive shaft 6, by a drive unit 7 received in the housing 11, inside the casing 2.
  • a drive unit 7 of this type is an electric motor, in particular a three-phase electric motor.
  • the compression mechanism 5 has, for example, spiral compression mechanisms, one of the spirals being fixed whilst the other spiral oscillates.
  • This drive unit 7 is powered electrically and regulated by a control module 8 via an electric link 9.
  • the control module 8 is arranged in a cavity 10 of the casing 2 or of a body attached onto the casing 2. In any event, the cavity 10 is separated from the housing 11 by at least one wall 12 traversed by the electric link 9.
  • the cavity 10 is, here, for example, provided in the extension of the compression mechanism 7 and of the drive unit 7 along the longitudinal axis X of the casing 2, the drive unit 7 being arranged longitudinally between the compression mechanism 5 and the control module 8.
  • the control module 8 is an electronic device configured at least in order to transform a continuous current from a vehicle into an alternating current adapted to activate the drive unit 7.
  • the cavity 10 comprising the control module 8 must of necessity contain a controlled atmosphere devoid of any body or element likely to damage the control module 8, in particular the control electronics and/or the power electronics forming it.
  • the control module 8 thus comprises first electronic components dedicated to the management of the power supplied to the drive unit 7 and second electronic components dedicated to the management of the control, signal and/or diagnostic information 14 relating to the compressor 1.
  • the casing 2, in particular the cavity 10, is closed by a cover 13.
  • the latter is a means for closing off the cavity 10.
  • This cover 13 comprises a sealing device 30 providing a double seal, as described below.
  • the control module 8 is installed in the cavity 10 and is connected electrically to the environment outside the compressor 1 by passing, for example, through the cover 13.
  • This arrangement facilitates the electric connection of the control module 8 to the exterior of the casing 2, that is to say to an electrical supply wiring set 15 belonging to the vehicle.
  • An electric connection of this type is implemented by means of at least one electric connector 16, the function of which is to convey electric energy from the wiring set 15 towards the control module 8.
  • This electric connector 16 comprises at least one portion 17 extending between a first end located inside the cavity 10 and a second end located outside the compressor 1. This portion 17 forms, for example, a peripheral skirt of the electric connector.
  • This electric connector 16 also comprises at least one electrically conducting pin 18, in particular two pins 18.
  • the pin 18 comprises a first end that extends inside the compressor 1 and a second end located outside the compressor 1.
  • the first end of the pin 18 is arranged in order that it can be welded onto the control module 8 or embedded therein.
  • the second end of the pin 18 is designed to be embedded in a socket 19 generally connecting the control module 8 to the electrical supply wiring set 15 of the vehicle.
  • Figure 1 illustrates a situation in which the electric connector 16 forms a male end piece, whilst the socket 19 forms a female end piece, but the invention naturally covers a reverse arrangement of the electric connector 16 and the socket 19.
  • the electric connector 16 may optionally also comprise a base configured in order to attach the electric connector 16 onto the cover 13.
  • the electric connector 16 is incorporated into the cover 13, in particular by being co-moulded therewith.
  • the electric compressor 1 illustrated in Figure 1 comprises two electric connectors organised and installed as described above.
  • the electric connector referenced 16 is, here, a power electric connector, whilst a control electric connector 20 likewise traverses the cover 13.
  • the cover 13 is affixed to the casing 2 of the compressor 1, preferably directly on the casing 2, with the aid of fastening means, such as screws, for example.
  • the cover 13 comprises a series of holes 21 distributed over the external periphery of the cover 13. It will be noted that the cover 13 covers all the longitudinal end of the casing 2, thereby entirely closing the cavity 10.
  • FIG. 2 shows an illustrative embodiment of the cover 13 comprising a single electric connector 16.
  • the cover 13 illustrated in this figure comprises at least one metallic part 22 and one synthetic part 23 arranged one against the other along the longitudinal axis X of the compressor 1. These two parts are superposed, the synthetic part 23 being covered by the metallic part 22.
  • the metallic part 22 forms a barrier against the electromagnetic waves generated by the control module 8 so as to confine those waves to the cavity 10, thereby not disrupting the smooth operation of the surrounding electronic apparatus.
  • the metallic part 22 has a bead 29 in which a sealing member is arranged.
  • the metallic part 22 and the synthetic part 23 are formed independently of one another then attached one against the other.
  • the synthetic part 23 is, for example, produced in accordance with a moulding, for example an injection-moulding, process.
  • the metallic part 22 is, meanwhile, produced, for example, from a pressed metal sheet.
  • the metallic part 22 is formed from a plate 24 surrounded by a folded edge 25, thereby delimiting a hollow that receives the synthetic part 23.
  • At least one orifice 26 traverses the plate 24, one edge of the orifice 26 forming a closed perimeter that surrounds the electric connector 16, more particularly the portion 17. It will be noted that the latter extends along an axis perpendicular to a plane in which the plate 24 extends, this axis advantageously being parallel to the longitudinal axis X of the casing.
  • Figure 3 shows more precisely the synthetic part 23 that is placed in the hollow of the metallic part 22.
  • the synthetic part 23 is formed from a panel 27 on which are provided reinforcements 28, in a honeycomb design.
  • the figure also shows a peripheral reinforcement 51 over the entire periphery of the synthetic part 23.
  • the panel 27 is traversed by the pins 18 of the electric connector 16 described above.
  • the panel 27 further comprises an increased thickness 31 around the pins 18 of the electric connector 16.
  • the sealing device 30 is arranged between the synthetic part 23 and the folded edge 25 of the metallic part 22.
  • Figure 3 also shows that the synthetic part 23 has perforations 32 that leave the holes 21 free and thus allow the passage of the systems for fastening the cover 13 on the casing 2.
  • This Figure 3 also shows that the sealing device 30 has a closed periphery and has recesses 33 at the location of the perforations 32 of the synthetic part 23 so as to clear the passage, via the holes 21, for the systems for fastening the cover 13 on the casing 2.
  • the sealing device 30 may have the form of an O-ring or, alternatively, that of a bead of adhesive arranged along the entirety of the metallic 22 and/or synthetic 23 parts.
  • the sealing device may be produced using a natural or synthetic polymer, or any other material having similar properties.
  • Figure 4 is a schematic view in transverse section of the cover 13 equipping the compressor 1 that makes it possible to reveal the contact zones and also the spaces sealed by the sealing device 30 of the present invention.
  • the sealing device 30 is an O-ring with an oblong cross section 49, which allows the formation of a plurality of contact zones referenced 35 to 38, providing a plurality of levels of sealing described below.
  • the same advantage will be obtained by using a bead of adhesive as sealing device 30.
  • the sealing device 30 thus has four contact zones: a first contact zone 35 between the sealing device 30 and a section 39 of the casing 2; a second contact zone 36 between the sealing device 30 and a peripheral edge 40 of the synthetic part 23; a third contact zone 37 between the sealing device 30 and an internal face 41 of the metallic part 22; and a fourth contact zone 38 between the sealing device 30 and an interior face 42 of the folded edge 25.
  • the first contact zone 35 effects the first seal between the environment 45 outside the compressor 1 and the cavity 10 housing the module for control of the compressor.
  • the third contact zone 37 and the fourth contact zone 38 effect the second seal between the environment 45 outside the compressor 1 and a space 47 located between the synthetic part 23 and the metallic part 22.
  • the second contact zone 36 reinforces the first seal or the second seal, preventing migration either towards the space 47 or towards the cavity 10.
  • the contact zone 38 between the sealing device 30 and the interior face 42 of the folded edge 25 is not present over the entirety of the interior face 42 of the folded edge 25 of the metallic part 22. In fact, this contact zone 38 is not present at the location of the recesses 33 of the sealing device described above. This feature will be explained in greater detail in the remainder of the description.
  • Figure 4 also shows a bearing zone 50 between a face 51 of the synthetic part 23 and the section 39 of the casing 2.
  • the metallic part 22 has a folded edge 25 that makes it possible to protect the sealing device 30 from the environment 45 outside the compressor 1.
  • the sealing device 30 is thus able to retain its flexibility and its sealing quality for longer than if it were used in a cover that did not have this folded edge 25.
  • the seals described above are therefore ensured for a longer period and more reliably.
  • Figure 5 provides a more precise view of the form of the synthetic part 23. It is possible to see the panel 27 and also the reinforcements 28 in a honeycomb arrangement. Shown in addition is the presence of the peripheral reinforcement 51 positioned over the entire periphery of the synthetic part 23, facing the folded edge 25 of the metallic part 22.
  • This figure likewise reveals the recess 33 of the sealing device 30 providing space for the fastening means between the cover 13 and the casing 2 that, for example, will pass through the holes 21. It will also be noted that, facing these recesses 33, the folded edge 25 of the metallic part 22 has a height h1, measured along the longitudinal axis X, that is less than the height h2, in comparison with the remainder of the sealing device 30, also measured along the longitudinal axis X.
  • This figure shows the oblong section 49 of the sealing device 30, it being possible for the latter to be an O-ring, a bead of adhesive or any other material having similar properties, depending on the embodiment selected.
  • This figure also shows that there is no contact zone between the sealing device 30 and the folded edge 25 of the metallic part 22 facing the recesses 33. Nevertheless, all three contact zones referenced 35, 36 and 37, arranged between the sealing device 30 and, respectively, the section 39 of the casing 2, the peripheral edge 40 of the synthetic part 23 and the internal face 41 of the metallic part 22, make it possible to ensure the two seals envisaged by the invention.
  • FIG 6 shows a second embodiment of the invention, in which the sealing device 30 has been injection-moulded and forms a single monobloc component 52 with the synthetic part 23.
  • the sealing device 30 is injected at a centre 57 of the synthetic part 23 and injection branches 55 are arranged in a star pattern in order to guide the sealing device 30 around the synthetic part 23.
  • the sealing device 30 is then overmoulded on a periphery of the synthetic part 23.
  • the second contact zone 36 is embodied by a lip 54 of the sealing device 30 housed in a groove 53 present in the synthetic part 23.
  • the lip and the groove form the mechanical means whereby the sealing device 30 and the synthetic part 23 are held together, in such a manner as to form a single monobloc, unitary component.
  • the sealing device 30 thus provides a double seal: a first seal between the exterior environment 45 and the cavity 10; and a second seal between the exterior environment 45 and the space 47 located between the metallic part 22 and the synthetic part 23.
  • This double seal enhances the level of reliability of the compressor 1 by better protecting it against external aggression.
  • the folded edge 25 of the metallic part 22 of the cover 13 makes it possible to further improve this reliability by protecting the sealing device 30 from such external aggression, ensuring that it remains flexible and retains its sealing properties.
  • the invention is not restricted to the means and configurations described and illustrated herein and extends, likewise, to all equivalent means or configurations and to any technically operational combination of such means.
  • the form and composition of the sealing device 30 may be modified without detriment to the invention, to the extent that they provide the functionalities described in the present document.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Abstract

L'invention concerne un compresseur qui s'étend le long d'un axe longitudinal et comprend un carter accueillant un mécanisme de compression d'un fluide de refroidissement, le compresseur comprenant au moins un couvercle (13) comprenant une partie métallique (22) et une partie synthétique (23) superposées l'une contre l'autre le long de l'axe longitudinal du compresseur, caractérisé en ce qu'au moins un dispositif d'étanchéité (30) assure une première étanchéité entre un environnement extérieur au compresseur et une cavité configurée pour accueillir un module de commande d'une unité d'entraînement du compresseur, le dispositif d'étanchéité (30) assurant une deuxième étanchéité entre l'environnement extérieur et un espace présent entre la partie synthétique (23) et la partie métallique (22).
PCT/JP2017/043242 2016-12-06 2017-12-01 Compresseur pour installation de climatisation de véhicule à moteur Ceased WO2018105509A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1661973 2016-12-06
FR1661973A FR3059732B1 (fr) 2016-12-06 2016-12-06 Compresseur pour une installation de conditionnement d'air d'un vehicule automobile

Publications (1)

Publication Number Publication Date
WO2018105509A1 true WO2018105509A1 (fr) 2018-06-14

Family

ID=58707621

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/043242 Ceased WO2018105509A1 (fr) 2016-12-06 2017-12-01 Compresseur pour installation de climatisation de véhicule à moteur

Country Status (2)

Country Link
FR (1) FR3059732B1 (fr)
WO (1) WO2018105509A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005110328A (ja) * 2003-08-05 2005-04-21 Shinwa Kogyo Kk インバータカバー
EP2500516A2 (fr) 2011-03-16 2012-09-19 Kabushiki Kaisha Toyota Jidoshokki Compresseur
US20130323097A1 (en) * 2012-05-30 2013-12-05 Kabushiki Kaisha Toyota Jidoshokki Motor-driven compressor
WO2016167409A1 (fr) * 2015-04-17 2016-10-20 한온시스템 주식회사 Compresseur électrique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005110328A (ja) * 2003-08-05 2005-04-21 Shinwa Kogyo Kk インバータカバー
EP2500516A2 (fr) 2011-03-16 2012-09-19 Kabushiki Kaisha Toyota Jidoshokki Compresseur
US20130323097A1 (en) * 2012-05-30 2013-12-05 Kabushiki Kaisha Toyota Jidoshokki Motor-driven compressor
WO2016167409A1 (fr) * 2015-04-17 2016-10-20 한온시스템 주식회사 Compresseur électrique

Also Published As

Publication number Publication date
FR3059732B1 (fr) 2020-10-30
FR3059732A1 (fr) 2018-06-08

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