EP3936721B1 - Compresseur et outil - Google Patents

Compresseur et outil

Info

Publication number
EP3936721B1
EP3936721B1 EP19928733.5A EP19928733A EP3936721B1 EP 3936721 B1 EP3936721 B1 EP 3936721B1 EP 19928733 A EP19928733 A EP 19928733A EP 3936721 B1 EP3936721 B1 EP 3936721B1
Authority
EP
European Patent Office
Prior art keywords
housing
compressor
rotary shaft
tool
main body
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.)
Active
Application number
EP19928733.5A
Other languages
German (de)
English (en)
Other versions
EP3936721A1 (fr
EP3936721A4 (fr
EP3936721C0 (fr
Inventor
Youhei Hotta
Yoshiyuki Kimata
Takashi Watanabe
Hajime Sato
Takahiro Hashiba
Kouichirou Mori
Riko AOKI
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.)
Mitsubishi Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems 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 Mitsubishi Heavy Industries Thermal Systems Ltd filed Critical Mitsubishi Heavy Industries Thermal Systems Ltd
Publication of EP3936721A1 publication Critical patent/EP3936721A1/fr
Publication of EP3936721A4 publication Critical patent/EP3936721A4/fr
Application granted granted Critical
Publication of EP3936721B1 publication Critical patent/EP3936721B1/fr
Publication of EP3936721C0 publication Critical patent/EP3936721C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • F01C21/007—General arrangements of parts; Frames and supporting elements
    • 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
    • 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
    • F04B39/14—Provisions for readily assembling or disassembling
    • 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
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • 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
    • 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
    • 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
    • F04C2240/805—Fastening means, e.g. bolts

Definitions

  • the present invention relates to a combination of a compressor and a tool.
  • a compressor that is used for refrigeration and air conditioning
  • a compressor as described in PTL 1 is known.
  • This type of compressor includes a housing, a rotary shaft that extends in a vertical direction in the housing and is rotated by an electric motor, and a compression portion that compresses a refrigerant with the rotation of the rotary shaft.
  • a housing accommodates a compression unit, an electric motor, and a motor drive circuit of a compressor aligned in the listed order in the axial direction of a rotating shaft, with a weight being attached to the housing and disposed in a discharge chamber.
  • US 2013/0251557 A1 shows a motor-driven compressor, comprising an electric motor, a compression mechanism driven by the electric motor to compress refrigerant, a housing accommodating the electric motor and the compression mechanism, and a support having a mounting to be fastened to an object by a fastener, wherein one of the housing and the support has a projection and the other of the housing and the support has a recess that is engaged with the projection through a vibration damper so that the support supports the housing.
  • the present invention has been made in view of the problem described above and has an object to provide a combination of a housing of a compressor and a tool in which it is possible to easily change the posture of a housing.
  • a hanging tool can be mounted to the mounting portion provided in the housing and lifted by a crane facility.
  • the mounting portion is disposed on the outer peripheral side surface of the housing, it is possible to easily change the housing to a rotated or inverted posture with the direction orthogonal to the axis of the rotary shaft when assembling the compressor, that is, the central axis of the housing, as a rotation center. Therefore, it is possible to efficiently perform the assembly work at the time of assembling the compressor.
  • the mounting portions are provided at a first position and a second position shifted from the first position by 180° in a circumferential direction in the housing.
  • the mounting portion may be provided at a thick portion that bulges outward in a radial direction on the outer peripheral side surface of the housing.
  • the mounting portion is provided in the thick portion of the housing, the strength of the portion of the housing, in which the mounting portion is provided, can be increased. Therefore, it is possible to more reliably rotate or invert the housing.
  • the tool in the present invention is a tool that clamps the mounting portion of the housing in the compressor and rotatably supports the housing, the tool including: a clamping portion that is detachably provided to the mounting portion and clamps the mounting portion; and a handle portion that rotates the clamping portion around a rotational axis extending in a direction intersecting a central axis of the housing, in a state where the clamping portion clamps the mounting portion.
  • the housing can be clamped by mounting the clamping portion of the tool of the above aspect to the mounting portion provided on the outer peripheral side surface of the housing. Then, the housing clamped by the clamping portion can be easily rotated or inverted around the central axis of the housing by rotating the handle portion of the tool. Therefore, it is possible to efficiently perform the work of assembling the compressor.
  • a compressor 1 in the present embodiment is a vertical semi-sealed compressor that is used in, for example, an air conditioner, a refrigeration device, or the like.
  • the type of the compressor 1 is not limited to that in the present embodiment.
  • the compressor 1 includes a housing 2, a rotary shaft 3, an upper bearing 4A, a lower bearing 4B, an electric motor 5, a rotary compression portion 6, a scroll compression portion 10, and a suction pipe 7.
  • the rotary shaft 3 extends along an axis (a rotational axis O (described later)).
  • the upper bearing 4A and the lower bearing 4B support the rotary shaft 3 such that the rotary shaft 3 is rotatable around the rotational axis O.
  • the electric motor 5 rotates the rotary shaft 3.
  • the rotary compression portion 6 compresses a refrigerant with the rotation of the rotary shaft 3.
  • the suction pipe 7 allows the refrigerant to be introduced into compression chambers 63A and 63B of the rotary compression portion 6.
  • the compressor 1 in the present embodiment is a two-stage compressor that includes both the rotary compression portion 6 and the scroll compression portion 10.
  • the compressor 1 may be a single-stage compressor provided with only one of the rotary compression portion 6 and the scroll compression portion 10, and the compressor 1 is not limited to the type in the present embodiment.
  • the central axis of the housing 2 and the rotary shaft 3 are disposed on a common axis extending in a vertical direction (an up-down direction), and the common axis will be hereinafter referred to as a rotational axis O.
  • the rotary shaft 3 is disposed such that an extending direction thereof is the up-down direction, and is accommodated in the housing 2 so as to be rotatable around the rotational axis O.
  • the housing 2 is formed by using casting or the like and extends in the up-down direction to accommodate the rotary shaft 3, the bearings 4A and 4B, the electric motor 5, the rotary compression portion 6, and the scroll compression portion 10.
  • the housing 2 has a main body portion 21 having a cylindrical shape, and an upper lid portion 22 and a lower lid portion 23 that close the upper and lower openings of the main body portion 21.
  • the inside of the housing 2 is hermetically sealed by the upper lid portion 22 and the lower lid portion 23.
  • the housing 2 has an opening portion 24 formed above a cylinder 60 (60A, 60B) at a lower portion of a side wall.
  • the suction pipe 7 is fixed to the opening portion 24 in a state where the suction pipe 7 is inserted into the opening portion 24 with a pipe axis direction directed in the horizontal direction.
  • Oil is accumulated in a bottom portion of the housing 2, so that an oil reservoir is formed.
  • the liquid level of the oil reservoir at the time of initial filling of oil is located above the rotary compression portion 6. In this way, the rotary compression portion 6 is driven in the oil reservoir.
  • the upper lid portion 22 is provided with a discharge pipe 13 that penetrates a peripheral wall portion in a thickness direction and communicates with the inside of the housing 2.
  • the discharge pipe 13 discharges the compressed refrigerant to the outside of the housing 2.
  • a plurality of hanging bolts 27 are detachably provided on an upper surface 22a of the upper lid portion 22.
  • the housing 2 can be lifted by a crane or the like by using the hanging bolts 27.
  • the refrigerant flow path 28 is a space formed between a stator 52 of the electric motor 5 (described later) and the inner peripheral surface of the main body portion 21.
  • a thick portion 21b is formed on an outer peripheral side surface 21a of the main body portion 21 corresponding to the position where the refrigerant flow path 28 is provided in the main body portion 21.
  • the thick portion 21b is formed so as to bulge outward in the radial direction from the outer peripheral side surface 21a of the main body portion 21.
  • the thick portion 21b has a rectangular parallelepiped shape extending with the direction of the rotational axis O as a longitudinal direction.
  • the outer peripheral side surface 21a of the main body portion 21 is a side surface of the main body portion 21 extending in the circumferential direction orbiting around the rotational axis O.
  • a pair of first hanging bolt holes 25 and 25 (mounting portions) are provided at an interval in the up-down direction (the direction of the rotational axis O) on the outer surface of the thick portion 21b.
  • Female screws to which mounting bolts 86 (refer to Fig. 4B ) can be screwed are formed in the first hanging bolt holes 25 and 25.
  • the thick portion 21b is recessed inward in the radial direction at the positions where the first hanging bolt holes 25 and 25 are formed, and is made such that a fixing portion 85 of a clamping portion 82 (described later) is just fitted thereto (refer to Figs. 4A and 4B ).
  • a pair of protrusions 21c and 21c are formed at an interval in the up-down direction (the direction of the rotational axis O) at a second position shifted by 180° in the circumferential direction in the housing 2 from the first position where the thick portion 21b is provided, in the main body portion 21.
  • the protrusion 21c protrudes outward in the radial direction from the outer peripheral side surface 21a.
  • the protrusion 21c has a columnar shape in which the radial direction is a longitudinal direction thereof.
  • a second hanging bolt hole 26 (a mounting portion) is provided in the protruding end face of each of the protrusions 21c.
  • Female screws, to each of which the mounting bolt 86 (refer to Fig. 4B ) can be screwed, are formed in the second hanging bolt holes 26 and 26.
  • Each of the first hanging bolt holes 25 and each of the second hanging bolt holes 26 are disposed at the same position in the direction of the rotational axis O so as to form a pair.
  • the electric motor 5 is accommodated in a central portion in the up-down direction of the inside of the housing 2.
  • the electric motor 5 includes a rotor 51 and the stator 52.
  • the rotor 51 is fixed to the outer peripheral surface of the rotary shaft 3 and is disposed above the rotary compression portion 6.
  • the stator 52 is disposed so as to surround the outer peripheral surface of the rotor 51 and is fixed to the inner surface of the main body portion 21 of the housing 2.
  • a power supply (not shown) is connected to the electric motor 5 through a terminal 9.
  • the electric motor 5 rotates the rotary shaft 3 by the electric power from the power supply.
  • the upper bearing 4A and the lower bearing 4B are disposed so as to sandwich the rotary compression portion 6 from above and below.
  • the upper bearing 4A and the lower bearing 4B are formed of, for example, a metal material, and are fixed to the cylinder 60 configuring the rotary compression portion 6 by, for example, bolting.
  • the upper bearing 4A is fixed to the housing 2.
  • the rotary shaft 3 is supported by the upper bearing 4A and the lower bearing 4B so as to be rotatable around the rotational axis O.
  • the rotary compression portion 6 is disposed at the bottom portion in the housing 2 below the electric motor 5 and compresses the refrigerant sucked from the suction pipe 7.
  • the rotary compression portion 6 includes a pair of disk-shaped cylinders 60 (60A, 60B), an eccentric shaft portion 61 provided integrally with the rotary shaft 3 at a position eccentric with respect to the rotary shaft 3, and a piston rotor 62 rotating together with the eccentric shaft portion 61.
  • the piston rotor 62 performs eccentric rotating motion in the compression chambers 63A and 63B of the cylinders 60A and 60B, so that the refrigerant is compressed.
  • a discharge hole (not shown) is provided in the cylinder 60 of the rotary compression portion 6.
  • the refrigerant compressed in the rotary compression portion 6 is discharged from the discharge hole toward the internal space having intermediate pressure in the housing 2, that is, the refrigerant flow path 28.
  • the scroll compression portion 10 further compresses the refrigerant from the refrigerant flow path 28.
  • the scroll compression portion 10 includes a spiral orbiting scroll 11 that orbits with the rotation of the rotary shaft 3, and a fixed scroll 12 that meshes with the orbiting scroll 11 from above in the direction of the rotational axis O and is fixed to the housing 2.
  • the refrigerant compressed in the scroll compression portion 10 is discharged to the outside of the housing 2 through the discharge pipe 13.
  • the tool 8 is a tool for clamping the hanging bolt holes 25 and 26 of the housing 2 of the compressor 1 and rotatably supporting the housing 2.
  • the tool 8 includes a pair of support arms 81, the clamping portion 82 detachably provided to each of the hanging bolt holes 25 and 26 provided in the main body portion 21 of the housing 2, and a handle portion 83 for rotating the clamping portion 82.
  • Arms 81A and 81B are separated from each other with a distance, in which they can clamp the main body portion 21 from the radial direction, between them. Further, the arms 81A and 81B are connected to each other at the upper ends thereof by a connection frame 80.
  • a plurality of support portions 80a, to which a hook H and a wire W can be mounted so as to protrude upward on the side opposite to the arms 81A and 81B, are integrally provided at the connection frame 80.
  • the clamping portions 82 are provided so as to face each other at the pair of arms 81A and 81B.
  • the clamping portion 82 has a rotating portion 84 and a fixing portion 85 fixed to the rotating portion 84.
  • the fixing portion 85 is a long member, and the central portion thereof in the length direction is fixed to the rotating portion 84.
  • a bolt hole 85a which penetrates in a direction in which the pair of clamping portions 82 and 82 face each other and is provided at a position coinciding with each of the hanging bolt holes 25 and 26 of the housing 2, is formed in the fixing portion 85.
  • the housing 2 can be clamped by the tool 8 by inserting the mounting bolt 86 into the bolt hole 85a and screwing and fastening the mounting bolt 86 to each of the hanging bolt holes 25 and 26.
  • the handle portion 83 has a power transmission portion 83a that is supported by the arm 81A on the outside of the arm 81A and rotates the rotating portion 84, and a handle main body 83b that gives a rotational force to the power transmission portion 83a.
  • the handle main body 83b is rotated, whereby the housing 2 clamped by the clamping portions 82 is changed to a posture in which the housing 2 is rotated at a desired rotation angle.
  • the tool 8 as described above is mounted to the first hanging bolt hole 25 and the second hanging bolt hole 26 provided in the main body portion 21 of the housing 2, and then the tool 8 can be lifted by, for example, a crane facility through the wire W and the hook H.
  • the hanging bolt holes 25 and 26 are disposed on the outer peripheral side surface 21a of the main body portion 21, as shown in Figs. 4A and 4B , the main body portion 21 can be easily changed to a rotated or inverted posture with the axis extending in the direction orthogonal to the rotational axis O, that is, in the radial direction of the housing 2 as a rotation center C. Therefore, even if the compressor 1 is large, it is possible to efficiently perform the work of assembling the compressor 1.
  • the housing 2 (the main body portion 21) can be clamped by using the first hanging bolt holes 25 and the second hanging bolt holes 26 provided in the thick portion 21b and the protrusion 21c shifted from each other by 180° in the circumferential direction in the main body portion 21 of the housing 2 (refer to Figs. 4A and 4B ). That is, since the main body portion 21 can be supported at positions on both sides with the central axis of the main body portion 21 interposed therebetween, the main body portion 21 can be more reliably and easily rotated or inverted with the clamping position as the center.
  • the main body portion 21 since it is possible to clamp the main body portion 21 by using the two mounting portions (the first hanging bolt holes 25 or the second hanging bolt holes 26) disposed at an interval in the direction of the rotational axis O at the clamping positions in the circumferential direction in the main body portion 21, a clamping force can be increased, a sufficient clamping force can be secured, and the main body portion 21 can be rotated or inverted in a stable posture.
  • the first hanging bolt hole 25 is provided in the thick portion 21b of the main body portion 21, it is possible to increase the strength of the portion of the housing 2, where the mounting portion (the first hanging bolt hole 25 as in the present embodiment) is provided. Therefore, it is possible to more reliably rotate or invert the housing 2.
  • the main body portion 21 can be clamped by mounting the clamping portions 82 of the tool 8 to the first hanging bolt hole 25 and the second hanging bolt hole 26 provided on the outer peripheral side surface 21a of the main body portion 21 of the housing 2. Then, by rotating the handle portion 83 of the tool 8, it is possible to easily rotate or invert the clamped main body portion 21 around the rotation center C. Therefore, even if the compressor 1 is large, it is possible to efficiently perform the assembly work.
  • the configuration such as the shape or the size of each of the housing 2, the rotary shaft 3, the upper bearing 4A, the lower bearing 4B, the electric motor 5, the rotary compression portion 6 (the cylinder 60, the eccentric shaft portion 61, the piston rotor 62), the scroll compression portion 10 (the orbiting scroll 11, the fixed scroll 12), and the suction pipe 7 can be set to an appropriate configuration.
  • the twin rotary type compressor having the pair of cylinders 60A and 60B has been described.
  • a single rotary type compressor may be adopted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Claims (3)

  1. Combinaison d'un compresseur (1) comprenant une enceinte (2) et d'un outil (8) destiné à supporter en rotation l'enceinte (2) autour d'un centre de rotation (C),
    l'outil (8) comprenant :
    une partie de fixation (82) pour fixer de manière détachable des parties de montage (25, 26) destinées à suspendre l'enceinte (2) qui sont prévues sur une surface périphérique externe (21a) de l'enceinte (2) et à un premier emplacement et un deuxième emplacement décalé par rapport au premier emplacement à 180° dans une direction circonférentielle dans l'enceinte (2) ; et
    une partie de poignée (83) pour faire tourner la partie de fixation (82) autour du centre de rotation (C) qui s'étend dans une direction qui croise un axe central (O) de l'enceinte (2), dans un état dans lequel la partie de fixation (82) fixe la partie de montage (25, 26),
    dans laquelle le compresseur (1) comprend :
    un arbre rotatif (3) contenu dans l'enceinte (2) et qui s'étend le long de l'axe central (O) ;
    un palier (4A, 4B) contenu dans l'enceinte (2) et qui supporte l'arbre rotatif de sorte que l'arbre rotatif puisse tourner autour de l'axe ;
    un moteur (5) contenu dans l'enceinte (2) et qui fait tourner l'arbre rotatif ; et
    une partie de compression (6, 10) contenue dans l'enceinte (2) et qui comprime un réfrigérant avec la rotation de l'arbre rotatif (3).
  2. Combinaison selon la revendication 1, dans laquelle les parties de montage (25, 26) sont prévues à des intervalles dans la direction d'axe de l'arbre rotatif (3).
  3. Combinaison selon la revendication 1 ou 2, dans laquelle les parties de montage (25, 26) comprennent une partie de montage (25) prévue au niveau d'une partie épaisse (21) qui dépasse vers l'extérieur dans la direction radiale sur la surface périphérique externe (21a) de l'enceinte.
EP19928733.5A 2019-05-10 2019-05-10 Compresseur et outil Active EP3936721B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/018801 WO2020230207A1 (fr) 2019-05-10 2019-05-10 Compresseur et outil

Publications (4)

Publication Number Publication Date
EP3936721A1 EP3936721A1 (fr) 2022-01-12
EP3936721A4 EP3936721A4 (fr) 2022-03-16
EP3936721B1 true EP3936721B1 (fr) 2026-01-28
EP3936721C0 EP3936721C0 (fr) 2026-01-28

Family

ID=73289507

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19928733.5A Active EP3936721B1 (fr) 2019-05-10 2019-05-10 Compresseur et outil

Country Status (3)

Country Link
EP (1) EP3936721B1 (fr)
JP (1) JP7372967B2 (fr)
WO (1) WO2020230207A1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012077658A (ja) * 2010-09-30 2012-04-19 Fujitsu General Ltd 冷媒圧縮機
JP6020148B2 (ja) * 2012-03-20 2016-11-02 株式会社豊田自動織機 電動圧縮機
JP5516651B2 (ja) * 2012-06-14 2014-06-11 ダイキン工業株式会社 スクロール圧縮機
JP2018016876A (ja) * 2016-07-29 2018-02-01 ダイキン工業株式会社 圧縮機、および、圧縮機の製造方法
JP6270080B1 (ja) 2016-10-19 2018-01-31 三菱重工サーマルシステムズ株式会社 密閉型ロータリ圧縮機
JP6760148B2 (ja) * 2017-03-10 2020-09-23 株式会社豊田自動織機 車両用電動圧縮機

Also Published As

Publication number Publication date
JP7372967B2 (ja) 2023-11-01
WO2020230207A1 (fr) 2020-11-19
EP3936721A1 (fr) 2022-01-12
JPWO2020230207A1 (fr) 2020-11-19
EP3936721A4 (fr) 2022-03-16
EP3936721C0 (fr) 2026-01-28

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