WO2022131269A1 - Procédé de fabrication de structure fixe de moteur, structure fixe de moteur, compresseur, et dispositif de réfrigération - Google Patents

Procédé de fabrication de structure fixe de moteur, structure fixe de moteur, compresseur, et dispositif de réfrigération Download PDF

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Publication number
WO2022131269A1
WO2022131269A1 PCT/JP2021/046112 JP2021046112W WO2022131269A1 WO 2022131269 A1 WO2022131269 A1 WO 2022131269A1 JP 2021046112 W JP2021046112 W JP 2021046112W WO 2022131269 A1 WO2022131269 A1 WO 2022131269A1
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WO
WIPO (PCT)
Prior art keywords
casing
peripheral surface
stator
inner peripheral
resin layer
Prior art date
Application number
PCT/JP2021/046112
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English (en)
Japanese (ja)
Inventor
大佑 平塚
寛 日比野
Original Assignee
ダイキン工業株式会社
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 ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Publication of WO2022131269A1 publication Critical patent/WO2022131269A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14—Casings; Enclosures; Supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Definitions

  • the present disclosure relates to a method for manufacturing a fixed motor structure, a fixed motor structure, a compressor, and a refrigerating device.
  • Patent Document 1 discloses a compressor in which a resin which is a non-conductive material is provided between a stator of an electric motor and a casing to prevent contact between the stator and the casing.
  • An object of the present disclosure is to prevent the resin material provided between the stator and the casing from being deformed or destroyed by tightening.
  • the first aspect is Casing (20) and A stator (60) fixed to the inner peripheral surface of the casing (20),
  • a method for manufacturing a motor fixing structure including a resin member (12) provided between an inner peripheral surface of the casing (20) and an outer peripheral surface of the stator (60).
  • a first step of fixing the stator (60) to the inner peripheral surface of the casing (20) via the resin member (12) by tightening without heating the casing (20) is included.
  • the second aspect is, in the first aspect, A second step of providing the resin member (12) on the inner peripheral surface of the casing (20) is included before the first step is performed.
  • the resin member (12) is casing by the second step even when the processing accuracy such as the roundness of the space in the casing (20) and the dimensional tolerance of the casing (20) is relatively low. (20) By providing it on the inner peripheral surface, it is possible to compensate for the low processing accuracy of the casing (20).
  • the third aspect is, in the second aspect, In the first step, the stator (60) is cooled and fitted to the inner peripheral surface of the casing (20) provided with the resin member (12).
  • stator (60) is fixed in the casing (20) by cooling fitting. Since the casing (20) is not heated, deformation or destruction of the resin member (12) due to melting or decomposition can be suppressed.
  • the fourth aspect is, in the second aspect, In the first step, the stator (60) is fixed to the inner peripheral surface of the casing (20) provided with the resin member (12) by press fitting.
  • stator (60) is fixed in the casing (20) by press fitting. Since the casing (20) is not heated, it is possible to prevent the resin member (12) from being deformed or destroyed by melting or decomposition.
  • the fifth aspect is in any one of the second to fourth aspects.
  • the resin member (12) is provided on the inner peripheral surface of the casing (20) by insert molding.
  • the resin member (12) is placed in the casing (20) even when the processing accuracy such as the roundness of the space in the casing (20) and the dimensional tolerance of the casing (20) is relatively low.
  • the low processing accuracy of the casing (20) can be compensated for by insert molding.
  • the resin member (12) having high molding accuracy in this way the dimensional accuracy of the casing (20) and the stator (60) can be improved.
  • the resin member (12) can be easily provided on the inner peripheral surface of the casing (20) by insert molding.
  • the sixth aspect is the first aspect.
  • a third step of providing the resin member (12) on the outer peripheral surface of the stator (60) before performing the first step is included.
  • the stator (60) provided with the resin member (12) is fixed to the inner peripheral surface of the casing (20) by cooling and fitting.
  • the third step and the first step can suppress the deformation of the resin member (12) that may occur due to shrink fitting and the generation of cracks that may occur in the resin member (12) that may occur due to press fitting. Since the casing (20) is not heated, deterioration of the coil (65) of the stator (60) can be suppressed.
  • the seventh aspect is Casing (20) and A stator (60) fixed to the inner peripheral surface of the casing (20), and A resin member (12) provided between the inner peripheral surface of the casing (20) and the outer peripheral surface of the stator (60) is provided.
  • the stator (60) is a motor fixing structure that is fixed to the inner peripheral surface of the casing by tightening and fitting via the resin member (12) without heating the casing (20).
  • stator (60) since the stator (60) is not heated, deformation or destruction of the resin member (12) due to melting or decomposition is suppressed. It is possible to provide a motor fixing structure (10) having such a resin member (12).
  • the eighth aspect is the compressor having the motor fixing structure of the seventh aspect.
  • the compressor having the motor fixing structure (10) of the seventh aspect can be provided.
  • the ninth aspect is a refrigerating apparatus having the compressor of the eighth aspect.
  • the refrigerating apparatus having the compressor of the eighth aspect can be provided.
  • FIG. 1 is a vertical sectional view of a compressor having a motor fixing structure of the embodiment.
  • FIG. 2 is a cross-sectional view of a compressor having a motor fixing structure.
  • FIG. 3 is a flowchart showing a method of manufacturing a motor fixed structure.
  • FIG. 4 is a cross-sectional view of the casing in which the resin layer is insert-molded.
  • FIG. 5 is a flowchart showing a method of manufacturing the motor fixed structure according to the modified example 1.
  • FIG. 6 is a flowchart showing a method of manufacturing the motor fixed structure according to the modified example 2.
  • FIG. 7 is a cross-sectional view of the compressor having the motor fixing structure according to the modified example 2.
  • FIG. 1 is a vertical sectional view of a compressor having a motor fixing structure of the embodiment.
  • FIG. 2 is a cross-sectional view of a compressor having a motor fixing structure.
  • FIG. 3 is a flowchart showing a method of manufacturing a motor fixed structure.
  • FIG. 8 is a cross-sectional view of a compressor having a motor fixing structure according to another embodiment.
  • FIG. 9 is a cross-sectional view of a compressor having a motor fixing structure according to another embodiment.
  • FIG. 10 is an enlarged view of a part of a cross section of a compressor having a motor fixing structure according to another embodiment.
  • FIG. 11 is an enlarged view of a part of the cross section of the compressor having the motor fixing structure according to the other embodiment.
  • FIG. 12 is an enlarged view of a part of the cross section of the compressor having the motor fixing structure according to the other embodiment.
  • FIGS. 2 and 7 to 9 hatching is partially omitted.
  • the motor fixing structure (10) of the embodiment constitutes a compressor (1) that compresses a fluid.
  • the compressor (1) is provided in the refrigerant circuit of the refrigerating device to compress the refrigerant.
  • the motor fixing structure (10) may be provided in other equipment other than the refrigerating device. Refrigerating equipment includes air conditioners and the like.
  • the motor fixing structure (10) includes a casing (20), a stator (60), and a resin layer (12).
  • the stator (60) is included in the motor (30) described later.
  • the compressor (1) is equipped with a compression mechanism (40) and a shaft (50) in addition to the casing (20) and the motor (30).
  • the shaft (50) connects the motor (30) and the compression mechanism (40).
  • the casing (20) houses the components of the motor fixing structure (10).
  • the casing (20) is formed in a cylindrical shape that extends in the vertical direction and is closed at both ends.
  • the inner peripheral surface of the casing (20) is a cylindrical surface.
  • the casing (20) houses the motor (30), the compression mechanism (40) and the shaft (50).
  • the shaft (50) extends in the vertical direction.
  • the motor (30) is located above the compression mechanism (40).
  • the casing (20) is provided with a suction pipe (21) and a discharge pipe (22).
  • the suction pipe (21) penetrates the body of the casing (20) and is connected to the compression mechanism (40).
  • the discharge pipe (22) penetrates the upper part of the casing (20) and communicates with the internal space of the casing (20).
  • the motor (30) rotationally drives the shaft (50).
  • the compression mechanism (40) is driven by the rotational drive of the shaft (50).
  • the compression mechanism (40) compresses the fluid.
  • the compression mechanism (40) compresses the refrigerant sucked through the suction pipe (21) and discharges the compressed refrigerant into the internal space of the casing (20).
  • the refrigerant discharged into the internal space of the casing (20) is discharged through the discharge pipe (22).
  • the compression mechanism (40) is a rotary compression mechanism.
  • the motor (30) comprises a stator (60) and a rotor (70).
  • the "axial direction” is the direction of the axis of the stator (60) (the center of rotation of the rotor (70)).
  • the “diameter direction” is a direction orthogonal to the direction of the axis of the stator (60).
  • the “circumferential direction” is the direction around the axis of the stator (60).
  • the “vertical cross section” is a cross section along the axial direction, and the “cross section” is a cross section orthogonal to the axial direction.
  • the stator (60) is fixed to the inner peripheral surface of the casing (20).
  • the rotor (70) is arranged radially inside the stator (60) with a gap (G) in between.
  • the motor (30) is an embedded magnet synchronous motor.
  • the stator (60) has a stator core (61) and a coil (65).
  • the stator core (61) has a back yoke (62), a teeth (63), and a protruding portion (64). In this example, six teeth (63) and six protrusions (64) are provided.
  • the stator core (61) is a laminated core. Specifically, the stator core (61) is configured by laminating a plurality of electromagnetic steel sheets, each of which is composed of an electromagnetic steel sheet and formed in a substantially annular shape, in the axial direction.
  • the back yoke (62) is formed in a substantially cylindrical shape.
  • the teeth (63) extend radially inward from the inner peripheral surface of the back yoke (62).
  • six teeth (63) are arranged at equal pitches (specifically, 60 ° pitch) in the circumferential direction.
  • the protruding portion (64) protrudes radially outward from the outer peripheral surface of the back yoke (62).
  • the outer peripheral surface of the protrusion (64) is an arc surface.
  • six protrusions (64) are arranged at equal pitches (specifically, 60 ° pitch) in the circumferential direction.
  • the coil (65) is wound around the teeth (63).
  • the coil (65) is wound around the teeth (63) by concentrated winding.
  • the rotor (70) has a rotor core (71) and a permanent magnet (75). In this example, four permanent magnets (75) are provided.
  • the rotor core (71) is provided with a slot (72) and a shaft hole (73). In this example, four slots (72) corresponding to the four permanent magnets are provided.
  • the rotor core (71) is a laminated core. Specifically, the rotor core (71) is configured by laminating a plurality of electromagnetic steel sheets, each of which is composed of an electromagnetic steel sheet and formed in a substantially circular shape, in the axial direction.
  • the slot (72) accommodates a permanent magnet (75).
  • four slots (72) are arranged at equal pitches (specifically, 90 ° pitch) in the circumferential direction.
  • the shaft hole (73) penetrates the central part of the rotor core (71) in the axial direction.
  • a shaft (50) is inserted and fixed in the shaft hole (73).
  • the permanent magnet (75) constitutes the magnetic pole of the rotor (70).
  • four permanent magnets (75) are housed in four slots (72) to form four magnetic poles.
  • the permanent magnet (75) is a sintered magnet.
  • the resin layer (12) is provided between the inner peripheral surface of the casing (20) and the outer peripheral surface of the stator (60).
  • the resin layer (12) is a resin member of the present disclosure.
  • the resin layer (12) is provided so as to cover the inner peripheral surface of the casing (20).
  • the resin layer (12) is in contact with the inner peripheral surface of the casing (20) and the outer peripheral surface of the six protrusions (64) of the stator (60).
  • the resin layer contains, for example, a resin material such as polyphenylene sulfide (PPS), polybutylene terephthalate (PBT), and liquid crystal polymer (LCP).
  • a resin material such as polyphenylene sulfide (PPS), polybutylene terephthalate (PBT), and liquid crystal polymer (LCP).
  • the method for manufacturing the motor fixing structure (10) includes a first molding step and a tightening and fitting step.
  • the first molding step is performed before the tightening and fitting step.
  • the manufacturing method of the motor fixing structure (10) of this example will be described with reference to FIG.
  • the stator (60) is made by laminating electrical steel sheets.
  • the first molding step is the second step of the present disclosure.
  • the resin material is insert-molded on the inner peripheral surface of the casing (20).
  • the resin layer (12) is provided on the inner peripheral surface of the casing (20).
  • the tightening step is the first step of the present disclosure.
  • the stator (60) is fixed to the inner peripheral surface of the casing (20) via the resin layer (12) by the tightening without heating the casing (20).
  • the tightening fit does not include a shrink fit that heats the casing (20) to secure the stator (60) into the casing (20).
  • the outer diameter of the stator (60) is contracted by cooling the stator (60) (ST3).
  • the stator (60) is cooled by, for example, dry ice. In this case, the stator (60) is cooled to ⁇ 78.9 ° C.
  • the stator (60) may be cooled by liquid nitrogen. In this case, the stator (60) is cooled to -196 ° C.
  • stator (60) is placed inside the casing (20) (ST4).
  • the outer diameter of the stator (60) is expanded by heating the stator (60), and the stator (60) is fixed to the inner peripheral surface of the casing (20) (ST5).
  • the heating method include leaving it in a normal temperature environment and sending warm air.
  • the stator (60) is fixed to the inner peripheral surface of the casing (20) via the resin layer (12) by the cooling fitting.
  • the stator (60) is fastened to the inner peripheral surface of the casing (20) via the resin layer (12) without heating the casing (20). Includes a tightening and fitting step (first step).
  • the resin layer (12) is not heated because no shrink fitting is performed. Therefore, it is possible to suppress deformation and destruction of the resin layer (12) due to melting and decomposition.
  • the stator (60) can be stably fixed to the inner peripheral surface of the casing (20) via the resin layer (12).
  • the insulating effect between the stator (60) and the casing (20) by the resin layer (12) can be improved.
  • the method for manufacturing the motor fixing structure (10) of the embodiment is a first molding step (second step) in which a resin layer (12) (resin member) is provided on the inner peripheral surface of the casing (20) before the tightening step is performed. )including.
  • the resin layer (12) can be provided on the inner peripheral surface of the casing (20) so that the roundness of the space in the casing (20) becomes high. In this way, even when the processing accuracy of the casing (20) is relatively low (when the roundness in the casing (20) is relatively low or when the dimensional tolerance of the casing (20) is relatively large).
  • the processing accuracy of the inner peripheral surface of the resin layer (12) can be made higher than the processing accuracy of the inner peripheral surface of the casing (20) (for example, roundness and dimensional tolerance).
  • the shape of the stator (60) is complicated, so that a special mold is required. Become. Such special molds are relatively expensive. Therefore, the method of providing the resin layer (12) on the outer peripheral surface of the stator (60) before performing the tightening and fitting step increases the manufacturing cost. However, by adopting the first molding step, such a special mold is unnecessary, so that the manufacturing cost can be suppressed.
  • stator (60) composed of laminated magnetic steel sheets. Therefore, in the method in which the resin layer (12) is provided not on the inner peripheral surface of the casing (20) but on the outer peripheral surface of the stator (60), the resin material is made in consideration of the stress generated in the resin layer (12) due to the springback. It is necessary to select the resin layer (12) and determine the shape of the resin layer (12). However, since such consideration is not required in this example, the manufacturing process can be simplified.
  • the stator (60) is fixed to the inner peripheral surface of the casing (20) provided with the resin layer (12) by cooling fitting.
  • the resin layer (12) is the stator (60).
  • the resin layer (12) is the stator (60).
  • the resin layer (12) is provided on the inner peripheral surface of the casing (20) by insert molding.
  • the resin layer (12) is insert-molded so that the inside of the casing (20) is inside the stator (60). It is possible to create a space with a high degree of roundness to the surface. In this way, even when the processing accuracy of the casing (20) is relatively low (when the roundness in the casing (20) is relatively low or when the dimensional tolerance of the casing (20) is relatively large).
  • the dimensional accuracy of the casing (20) and the stator (60) can be improved.
  • the gap between the inner peripheral surface of the casing (20) and the outer peripheral surface of the stator (60) becomes non-uniform. Therefore, when tightening is performed, local stress concentration occurs between the inner peripheral surface of the casing (20) and the outer peripheral surface of the stator (60), and as a result, the stator (60) and the casing (20) may be deformed.
  • the roundness of the space in the casing (20) can be increased, so that such deformation can be suppressed.
  • the stator (60) is fixed to the inner peripheral surface of the casing (20) by tightening and fitting via the resin member (12) without heating the casing (20). ing.
  • the casing (20) is not heated because no shrink fit is performed. Therefore, deformation and destruction of the resin layer (12) due to melting and decomposition can be suppressed.
  • the tightening and fitting process is performed (ST14).
  • the stator (60) is fixed to the inner peripheral surface of the casing (20) by press fitting.
  • the resin layer (12) may be deformed during press-fitting.
  • the resin layer (12) is provided on the inner peripheral surface of the casing (20) by the first molding step, the deformation of the resin layer (12) can be suppressed even if it is press-fitted.
  • the method for manufacturing the motor fixing structure (10) of this example includes a second molding step.
  • the resin layer (12) is provided on the outer peripheral surface of the stator (60).
  • the second molding step is the third step of the present disclosure.
  • the first molding step is not included.
  • the second molding step is performed before the tightening and fitting step.
  • the second molding process is performed (ST22).
  • the resin layer (12) is provided so as to cover the outer peripheral surface of the protruding portion (64) of the stator (60).
  • the resin layer (12) extends along the outer peripheral surface of the protrusion (64).
  • the cross-sectional shape of the resin layer (12) is arcuate.
  • the resin layer (12) may be adhered to the outer peripheral surface of the protrusion (64) with an adhesive.
  • the tightening and fitting process is performed (ST23 to ST25). Specifically, the stator (60) is cooled (ST23), the stator (60) is placed in the casing (20) (ST24), and then the stator (60) is heated (ST25).
  • the steps of ST23 to ST25 are the same steps as those of ST3 to ST5 of the above embodiment.
  • the stator (60) provided with the resin layer (12) is fixed to the inner peripheral surface of the casing (20) by cooling and fitting.
  • the resin layer (12) of the motor fixing structure (10) of this example is in contact with a portion of the inner peripheral surface of the casing (20) facing the outer peripheral surface of the protruding portion (64).
  • the resin layer (12) may be fixed to the inner peripheral surface of the casing (20) with an adhesive.
  • the resin layer (12) can be provided only at a position facing the outer peripheral surface of the protrusion (64) of the stator (60) on the inner peripheral surface of the casing (20). In this way, the resin layer (12) can be provided at a desired position on the inner peripheral surface of the casing (20).
  • the resin layer (12) is provided as compared with the case where the resin layer (12) is provided on the entire inner peripheral surface of the casing (20).
  • the resin material which is the material of 12
  • the adhesive include epoxy resin.
  • the resin layer (12) may be fixed by fitting it into the first recess (20a) formed on the inner peripheral surface of the casing (20).
  • the first recess (20a) is formed at a position facing each protrusion (64) of the stator (60) on the inner peripheral surface of the casing (20).
  • the resin layer (12) has a first convex portion (12a) fitted into the first concave portion (20a).
  • the first convex portion (12a) is formed on a surface of the resin layer (12) that is in contact with the inner peripheral surface of the casing (20).
  • the stator (60) may have a second convex portion (64a).
  • the second convex portion (64a) projects radially outward from the center of the outer peripheral surface of each protruding portion (64).
  • the resin layer (12) has a second concave portion (12b) fitted into the second convex portion (64a).
  • the second concave portion (12b) is formed on the back surface of the first convex portion (12a). In this way, since the second convex portion (64a) is fitted into the second concave portion (12b) by tightening, the stator (60) is securely fixed to the inner peripheral surface of the casing (20) via the resin layer (12). can.
  • the surface area of the resin layer (12) becomes larger than the area of the outer peripheral surface of each protrusion (64). It may be small or small.
  • a resin layer may be provided so as to be smaller than the area of the outer peripheral surface of each protruding portion (64) of the stator (60).
  • the resin layer (12) has a surface in contact with the outer peripheral surface of the protruding portion (64) and a surface in contact with the inner peripheral surface of the casing (20). It may be provided so as to be displaced in the circumferential direction.
  • the resin layer (12) still has the protruding portion (64).
  • the surface in contact with the outer peripheral surface of the casing (20) and the surface in contact with the inner peripheral surface of the casing (20) may be provided so as to be displaced in the circumferential direction.
  • the resin layer (12) may have a first hook portion (12c) and a second hook portion (12d).
  • the casing (20) has a fixed portion (13).
  • the fixing portion (13) is provided so as to project radially inward from the inner peripheral surface of the casing (20).
  • the fixing portion (13) is provided at a position facing the outer peripheral surface of the protruding portion (64).
  • the resin layer (12) is provided between the fixing portion (13) and the protruding portion (64).
  • the first hook portion (12c) extends inward in the radial direction from one end in the clockwise direction of the circumferential direction of each resin layer (12) so as to be in contact with the side surface of the protruding portion (64).
  • the second hook portion (12d) extends radially outward from one end in the clockwise direction of the circumferential direction of each resin layer (12) so as to be in contact with the side surface of the fixed portion (13).
  • the first hook portion (12c) and the second hook portion (12d) can prevent the stator (60) from shifting in the casing (20) in the circumferential direction even if the rotor (70) rotates.
  • the casing for example, 50 ° C.
  • the casing is kept constant (for example, 50 ° C.) so that the temperature difference between the stator (60) and the casing (20) is sufficient.
  • the temperature may be adjusted. This makes it possible to secure a gap between the stator (60) and the casing (20) during cooling and fitting.
  • Ceramic may be provided between the casing (20) and the stator (60) in addition to the resin layer (12). Ceramics include alumina, glass, zirconia and the like.
  • the present disclosure is useful for a method for manufacturing a motor fixed structure, a motor fixed structure, a compressor, and a refrigerating device.
  • Compressor 10 Motor fixed structure 12 Resin layer (resin member) 20 Casing 60 stator

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Compressor (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne un procédé de fabrication d'une structure fixe de moteur comprenant : une enceinte (20) ; un stator (60) fixé à la surface périphérique intérieure de l'enceinte (20) ; et un organe en résine (12) installé entre la surface périphérique intérieure de l'enceinte (20) et la surface périphérique extérieure du stator (60), une première étape dudit procédé consistant à fixer le stator (60) à la surface périphérique intérieure de l'enceinte (20) par le biais de l'organe de résine (12) par frettage sans chauffer l'enceinte (20).
PCT/JP2021/046112 2020-12-18 2021-12-14 Procédé de fabrication de structure fixe de moteur, structure fixe de moteur, compresseur, et dispositif de réfrigération WO2022131269A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020209899A JP7252477B2 (ja) 2020-12-18 2020-12-18 モータ固定構造、圧縮機、および冷凍装置
JP2020-209899 2020-12-18

Publications (1)

Publication Number Publication Date
WO2022131269A1 true WO2022131269A1 (fr) 2022-06-23

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PCT/JP2021/046112 WO2022131269A1 (fr) 2020-12-18 2021-12-14 Procédé de fabrication de structure fixe de moteur, structure fixe de moteur, compresseur, et dispositif de réfrigération

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WO (1) WO2022131269A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0283393U (fr) * 1988-12-16 1990-06-27
JP2012107539A (ja) * 2010-11-16 2012-06-07 Mitsubishi Electric Corp 電動圧縮機及びその制御装置
WO2016199884A1 (fr) * 2015-06-12 2016-12-15 株式会社ヴァレオジャパン Compresseur électrique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0283393U (fr) * 1988-12-16 1990-06-27
JP2012107539A (ja) * 2010-11-16 2012-06-07 Mitsubishi Electric Corp 電動圧縮機及びその制御装置
WO2016199884A1 (fr) * 2015-06-12 2016-12-15 株式会社ヴァレオジャパン Compresseur électrique

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