WO2019159497A1 - アキュムレータおよび空調用圧縮機 - Google Patents

アキュムレータおよび空調用圧縮機 Download PDF

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Publication number
WO2019159497A1
WO2019159497A1 PCT/JP2018/044426 JP2018044426W WO2019159497A1 WO 2019159497 A1 WO2019159497 A1 WO 2019159497A1 JP 2018044426 W JP2018044426 W JP 2018044426W WO 2019159497 A1 WO2019159497 A1 WO 2019159497A1
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WO
WIPO (PCT)
Prior art keywords
compressor
accumulator
pipe
support member
center
Prior art date
Application number
PCT/JP2018/044426
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
俊輔 薬師寺
将平 寺崎
小川　真
紘史 島谷
将成 宇野
Original Assignee
三菱重工サーマルシステムズ株式会社
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 三菱重工サーマルシステムズ株式会社 filed Critical 三菱重工サーマルシステムズ株式会社
Priority to ES18906496T priority Critical patent/ES2969941T3/es
Priority to CN201890001531.4U priority patent/CN212778059U/zh
Priority to EP18906496.7A priority patent/EP3754270B1/en
Publication of WO2019159497A1 publication Critical patent/WO2019159497A1/ja
Priority to AU2020101791A priority patent/AU2020101791A4/en

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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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators
    • 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
    • F04B39/16—Filtration; Moisture separation
    • 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
    • F04C29/06—Silencing
    • 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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • 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
    • F04C2240/804—Accumulators for refrigerant circuits
    • 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
    • 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
    • F04C2240/806—Pipes for fluids; Fittings therefor
    • 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
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/12—Vibration
    • 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
    • F25B31/00—Compressor arrangements
    • F25B31/02—Compressor arrangements of motor-compressor units
    • F25B31/026—Compressor arrangements of motor-compressor units with compressor of rotary type

Definitions

  • the present invention relates to an accumulator and an air conditioning compressor.
  • Patent Document 1 discloses a structure in which a pipe for supplying refrigerant gas from an accumulator to a compressor body is supported by a support member (connecting member) provided inside the accumulator.
  • the excitation force due to the magnetism of the motor driving the compressor main body or the vibration due to the pulsation of the compressor main body is provided adjacent to the compressor main body. Force acts.
  • the exciting force caused by the pulsation of the compressor body vibrates the piping in the accumulator, so that vibration is transmitted to the accumulator through the support member, which may cause noise generation.
  • This invention is made in view of the above, Comprising:
  • produced with the accumulator provided adjacent to the compressor main body of the compressor for an air conditioning is suppressed, and the noise generate
  • the present invention is provided adjacent to a compressor body of an air conditioning compressor, and compresses the refrigerant gas separated from gas and liquid from a container body through a pipe.
  • An accumulator for supplying to the machine main body, the outer edge of the accumulator being attached to the inner wall of the container main body, and a support member having a support hole for supporting the pipe inside the container main body, the center of the support hole being It is characterized by being displaced with respect to a center line passing through the center of the support member along the direction of the most dominant excitation force transmitted from the compressor body.
  • This configuration distributes part of the most dominant excitation force transmitted from the pipe to the support member in the direction of twisting the support member. As a result, the excitation force transmitted from the piping to the container body of the accumulator via the support member can be reduced. Therefore, according to the accumulator according to the present invention, vibration generated in the accumulator provided adjacent to the compressor main body of the air conditioning compressor can be suppressed, and noise generated in the air conditioning compressor can be reduced.
  • the support member has a plurality of through holes provided at positions different from the support holes, and a meat portion extending from the outer edge extends between the adjacent through holes of the support member. And it is preferable that the center of the said support hole has shifted
  • This configuration disperses a part of the excitation force transmitted from the pipe to the meat part in the direction of twisting the meat part, regardless of the direction of the excitation force transmitted from the compressor body. As a result, it is possible to reduce the excitation force transmitted from the piping to the accumulator container body through the meat part of the support member, and to suppress vibrations generated in the accumulator.
  • a plurality of the pipes are arranged in the container main body corresponding to the number of compression chambers of the compressor main body, and a plurality of the support holes are provided corresponding to the plurality of the arranged pipes.
  • the center of the support hole is preferably deviated from the center line.
  • an air-conditioning compressor of the present invention includes the accumulator and a compressor main body to which a refrigerant gas is supplied from the accumulator through the pipe.
  • This configuration can suppress vibration generated by an accumulator provided adjacent to the compressor main body of the air conditioning compressor and reduce noise generated by the air conditioning compressor.
  • FIG. 1 is a schematic diagram illustrating an accumulator and an air conditioning compressor according to an embodiment.
  • FIG. 2 is a cross-sectional view showing the support member.
  • FIG. 3 is a cross-sectional view showing a modification of the support member.
  • the air-conditioning compressor 1 is applied to, for example, a room air conditioner.
  • the air conditioner is configured to include an outdoor unit disposed outdoors and an indoor unit disposed indoors, and a refrigerant is circulated between the outdoor unit and the indoor unit. By exchanging heat outside the room, the room is cooled, heated, or air-conditioned.
  • the air conditioning compressor 1 is disposed in an outdoor unit, sucks and compresses refrigerant, and supplies the refrigerant to an outdoor unit or an external element of the indoor unit.
  • the air conditioning compressor 1 is not limited to a room air conditioner, and may be applied to an air conditioner for any application.
  • the air conditioning compressor 1 includes a housing 2, a drive unit 3, a compressor body 4, and an accumulator 5.
  • the housing 2 has a substantially cylindrical shape whose top and bottom are sealed, and the drive unit 3 and the compressor body 4 are accommodated therein.
  • the casing 2 is arranged with its cylinder vertically set up, and a discharge pipe 21 is provided on the top thereof.
  • the bottom of the housing 2 is configured as an oil reservoir 22, and the oil reservoir 22 stores a lubricating oil L supplied to the compressor body 4.
  • the driving unit 3 is a slot motor, and includes a stator 31, a rotor 32, and a rotating shaft 33.
  • the drive unit 3 is fixed to the inner wall surface of the housing 2 by a stator 31.
  • the rotor 32 is provided so as to be rotatable with respect to the stator 31 and is provided with the rotating shaft 33 directed vertically downward.
  • the rotating shaft 33 has a lower end connected to the compressor body 4.
  • the drive unit 3 is supplied with power from the outside of the housing 2 via a wiring (not shown).
  • the compressor body 4 is disposed below the drive unit 3 in the housing 2.
  • the compressor body 4 is a two-cylinder twin rotary type compression mechanism.
  • the compressor main body 4 includes a first compression unit 41 and a second compression unit 42 that are arranged in multiple upper and lower stages.
  • the first compression unit 41 and the second compression unit 42 are arranged side by side along the axis of rotation of the rotation shaft 33.
  • the first compression unit 41 includes a rotor 411 and a compression chamber 412.
  • the second compression unit 42 includes a rotor 421 and a compression chamber 422.
  • a partition plate 43 is provided between the first compression unit 41 and the second compression unit 42.
  • the partition plate 43 constitutes a part of the walls of the compression chambers 412 and 422.
  • the partition plate 43 has an insertion hole 431 through which the rotation shaft 33 is inserted.
  • Bearings 44 are provided above and below the first compression portion 41 and the second compression portion 42.
  • the bearing 44 supports the rotating shaft 33 rotatably.
  • the rotation shaft 33 is provided with a crank 331 at a position corresponding to the first compression section 41 and a crank 332 at a position corresponding to the second compression section 42.
  • the crank 331 is provided with a rotor 411, and the crank 332 is provided with a rotor 421.
  • the rotary shaft 33 is provided with an oil supply passage 333 inside the lower end portion thereof.
  • the lower end of the rotating shaft 33 is provided so as to reach the oil reservoir 22 of the housing 2, and the lubricating oil L is supplied from the lower end to the compressor body 4 through the oil supply passage 333.
  • the oil supply passage 333 includes an oil supply passage 333 a that penetrates the crank 331 corresponding to the first compression portion 41 and an oil supply passage 333 b that penetrates the crank 332 corresponding to the second compression portion 42.
  • the accumulator 5 is a separator that gas-liquid separates a refrigerant gas that is a working fluid.
  • the accumulator 5 is disposed outside the casing 2 adjacent to the compressor body 4 (adjacent to the casing 2).
  • the accumulator 5 includes a container body 50, a plurality of pipes 51, and a support member 60.
  • the container body 50 has a substantially cylindrical shape whose top and bottom are sealed.
  • the container body 50 is connected to the housing 2 via a connecting member (not shown).
  • the container body 50 is provided with an inflow pipe 501 at the top.
  • the pipe 51 includes a first pipe 511 and a second pipe 512.
  • the first pipe 511 and the second pipe 512 extend from the bottom of the container main body 50 toward the top of the inside of the container main body 50.
  • One end of the first pipe 511 is connected to the compression chamber 412 of the first compression unit 41, and the other end is opened inside the container body 50.
  • the first pipe 511 is supported by a support member 60 described later.
  • the second pipe 512 is a pipe for supplying fluid to the second compression section 42 of the compressor body 4.
  • One end of the second pipe 512 is connected to the compression chamber 422 of the second compression section 42, and the other end is opened inside the container body 50.
  • the second pipe 512 is supported by a support member 60 described later.
  • refrigerant gas having passed through an external element is supplied from the inflow pipe 501 into the container body 50 of the accumulator 5.
  • the refrigerant gas is further supplied to the first compression part 41 of the compressor body 4 via the first pipe 511 and is supplied to the second compression part 42 of the compressor body 4 via the second pipe 512.
  • the power is supplied to the drive unit 3 and the rotary shaft 33 rotates, whereby the rotors 411 and 421 rotate eccentrically in the compression chambers 412 and 422 by the cranks 331 and 332, respectively.
  • the refrigerant gas in 422 is compressed.
  • the refrigerant gas compressed in the compression chambers 412 and 422 is discharged from the discharge pipe 21 to the outside of the housing 2 and supplied to the external element.
  • the lubricating oil L is supplied into the compression chambers 412 and 422.
  • a part of the lubricating oil L supplied to the compression chambers 412 and 422 is supplied to the external element in a state of being contained in the compressed refrigerant gas.
  • the accumulator 5 gas-liquid-separates the lubricating oil L and dust from the refrigerant gas that has passed through the external element by means of a net-like filter 53 provided at the upper part of the container body 50.
  • the accumulator 5 supplies the gas-liquid separated refrigerant gas to the compression chambers 412, 422, while storing the gas-liquid separated lubricating oil L at the bottom of the container body 50.
  • the accumulator 5 has an oil return hole 511a in the first pipe 511 and an oil return hole 512a in the second pipe 512, and returns the lubricating oil L collected at the bottom of the container body 50 to the compression chambers 412 and 422. It is configured as follows.
  • FIG. 2 is a cross-sectional view showing the support member.
  • the support member 60 includes a bottom portion 61, a wall portion 62, a support hole 63, and a through hole 64 (see FIG. 2).
  • the bottom 61 is formed in a circular shape as shown in FIG.
  • the wall 62 rises vertically from the outer edge 61 a of the bottom 61. That is, the support member 60 is formed in a bowl shape by the bottom portion 61 and the wall portion 62.
  • the wall part 62 and the outer edge 61a are fixed to the inner wall of the container main body 50 by welding, for example.
  • the position of the support member 60 in the height direction in the container main body 50 may be any position as long as the first pipe 511 and the second pipe 512 can be appropriately supported. When it is divided into a plurality of parts at any position in the direction, it is preferably provided at the joint.
  • the support hole 63 is a through hole formed in the bottom 61 as shown in FIGS. 1 and 2.
  • the support hole 63 includes a first support hole 631 and a second support hole 632.
  • the first support hole 631 and the second support hole 632 are formed in the bottom portion 61 with a space therebetween.
  • the inner diameter of the first support hole 631 is slightly larger than the outer diameter of the first pipe 511.
  • the first pipe 511 is inserted into the first support hole 631 and supports the first pipe 511 in the container body 50.
  • the inner diameter of the second support hole 632 is slightly larger than the outer diameter of the second pipe 512.
  • the second support hole 632 is inserted with the second pipe 512 and supports the second pipe 512 in the container body 50. In this way, by supporting the first pipe 511 and the second pipe 512 by the support member 60, the first pipe 511 and the second pipe 512 vibrate within the container body 50 and generate noise by contacting each other. It is suppressed.
  • a plurality of through holes 64 are formed at positions different from the first support hole 631 and the second support hole 632 of the bottom 61.
  • the plurality of through holes 64 are holes provided for circulating the refrigerant gas, the lubricating oil L, and the like in the container main body 50, and prevent the volume of the accumulator 5 from being reduced by the support member 60.
  • the plurality of through holes 64 are disposed at positions that are symmetrical with respect to the center 60a of the support member 60 (the center of the bottom 61).
  • the accumulator 5 when the accumulator 5 is provided adjacent to the compressor main body 4 (adjacent to the housing 2) as in the air conditioning compressor 1 according to the present embodiment, the accumulator 5 includes the compressor main body 4.
  • the first piping 511 and the second piping 512, the casing 2 and the container main body 50 are connected by the excitation force caused by the magnetism of the drive unit 3 that drives the motor and the vibration force caused by the pulsation of the compressor body 4. It acts via a connecting member (not shown).
  • the exciting force caused by the pulsation of the compressor body 4 vibrates the piping in the accumulator 5, so that vibration is transmitted to the accumulator 5 through the support member 60, which may cause noise generation.
  • the center 631a of the first support hole 631 and the center 632a of the second support hole 632 formed in the support member 60 are center lines passing through the center 60a of the support member 60 as shown in FIG. It is deviated from A1.
  • the center line A1 is the most dominant excitation illustrated by solid line arrows in FIG. 2 among the excitation forces transmitted to the first pipe 511 and the second pipe 512 by the pulsation generated by the operation of the compressor body 4.
  • Dislaced from the center line A1 means a position where the center 631a of the first support hole 631 and the center 632a of the second support hole 632 do not coincide with the center line A1 (position away from the center line A1). Means to be placed in.
  • vibration generated in the accumulator 5 provided adjacent to the compressor body 4 of the air conditioning compressor 1 is suppressed, and the air conditioning is performed. Noise generated in the compressor 1 can be reduced.
  • a plurality of pipes 51 (first pipe 511, second pipe 512) are arranged in the container body 50 corresponding to the number of compression chambers 412, 422 of the compressor body 4, and support holes 63 (first support holes). 631, second support holes 632) are provided corresponding to the pipe 51, and the centers of all the support holes 63 (the center 631a of the first support hole 631 and the center 632a of the second support hole 632) are center lines. It is deviated from A1.
  • FIG. 3 is a cross-sectional view showing a modification of the support member.
  • the support member 600 shown in FIG. 3 has a plurality of through holes 640 instead of the plurality of through holes 64 of the support member 60 shown in FIG.
  • the other components of the support member 600 are the same as those of the support member 60, and thus the same reference numerals are given and description thereof is omitted.
  • the plurality of through holes 640 include a pair of large diameter holes 641 and 642 and a pair of small diameter holes 643 and 644.
  • the pair of large-diameter holes 641 and 642 are arranged with the center 60a sandwiched in the vertical direction in the drawing.
  • the pair of small diameter holes 643 and 644 are arranged with the center 60a sandwiched in the left-right direction in the drawing.
  • the shapes and positions of the through holes 64 and 640 shown in FIGS. 2 and 3 are examples, and the accumulator 5 may be used as long as it is formed at a position different from the first support hole 631 and the second support hole 632. Various shapes and positions can be adopted according to the performance required for the.
  • the meat portion 65 extending from the outer edge 61a extends between the adjacent through holes 640 of the support member 600.
  • the meat portion 65 includes meat portions 651, 652, 653, 654 as illustrated.
  • the meat portion 651 is a portion extending between the large diameter hole 641 and the small diameter hole 643.
  • the meat portion 652 is a portion extending between the large diameter hole 641 and the small diameter hole 644.
  • the meat portion 653 is a portion extending between the large diameter hole 642 and the small diameter hole 643.
  • the meat portion 654 is a portion extending between the large diameter hole 642 and the small diameter hole 644.
  • each two-dot chain line is along the center line B ⁇ b> 1 along the extending direction of the meat part 651, the center line B ⁇ b> 2 along the extending direction of the meat part 652, and the extending direction of the meat part 653.
  • a center line B3 along the extending direction of the flesh portion 654 is shown.
  • the “extending direction” is a direction extending from the outer edge 61 a of the meat portions 651, 652, 653, 654 toward the center 60 a side of the support member 600.
  • the center 631a of the first support hole 631 and the center 632a of the second support hole 632 are deviated from the center lines B1, B2, B3, and B4 as shown in the figure.
  • the center lines B1, B2, B3, B4 are displaced means that the center 631a of the first support hole 631 and the center 632a of the second support hole 632 are different from the center lines B1, B2, B3, B4. This means that they are arranged at positions that do not match (positions away from the center lines B1, B2, B3, and B4).
  • the shapes of the support members 60 and 600 are not limited to those shown in the present embodiment.
  • the support members 60 and 600 may not include the wall portion 62 as long as they can be stably fixed to the container body 50.
  • the support members 60 and 600 are provided with cylindrical portions that protrude from the edge portions of the first support hole 631 and the second support hole 632 in at least one of the vertical directions, and the first pipe 511 and the first pipe are formed by the cylindrical portions. It is good also as a structure which supports the outer periphery of the two piping 512 widely.
  • the support members 60 and 600 may have the bottom portion 61 formed in a shape other than the circular shape according to the inner surface shape of the container main body 50.
  • the configuration of the accumulator 5 according to the embodiment has been described for the twin rotary type air conditioning compressor 1, but the accumulator 5 according to the embodiment may be a single rotary type air conditioning compressor or a scroll, for example.
  • the present invention may be applied to any air-conditioning compressor such as a type air-conditioning compressor.
  • the support member 60 is a support for supporting one piping 51.
  • One hole 63 may be provided. Also in this case, it is sufficient that the center of the support hole 63 is deviated from at least the center line A1 shown in FIG. 2, and is deviated from the center lines B1, B2, B3, and B4 shown in FIG. More preferable.
  • the support member 60 corresponds to the number of the plurality of pipings 51. It is only necessary to provide three or more support holes 63. Also in this case, the centers of the three or more support holes 63 need only be deviated from the center line A1 shown in FIG. 2, and are deviated from the center lines B1, B2, B3, and B4 shown in FIG. It is more preferable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
PCT/JP2018/044426 2018-02-13 2018-12-03 アキュムレータおよび空調用圧縮機 WO2019159497A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES18906496T ES2969941T3 (es) 2018-02-13 2018-12-03 Acumulador y compresor para acondicionador de aire.
CN201890001531.4U CN212778059U (zh) 2018-02-13 2018-12-03 蓄能器及空调用压缩机
EP18906496.7A EP3754270B1 (en) 2018-02-13 2018-12-03 Accumulator, and compressor for air conditioning
AU2020101791A AU2020101791A4 (en) 2018-02-13 2020-08-13 Accumulator and compressor for air conditioning

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018023105A JP2019138576A (ja) 2018-02-13 2018-02-13 アキュムレータおよび空調用圧縮機
JP2018-023105 2018-02-13

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2020101791A Division AU2020101791A4 (en) 2018-02-13 2020-08-13 Accumulator and compressor for air conditioning

Publications (1)

Publication Number Publication Date
WO2019159497A1 true WO2019159497A1 (ja) 2019-08-22

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Application Number Title Priority Date Filing Date
PCT/JP2018/044426 WO2019159497A1 (ja) 2018-02-13 2018-12-03 アキュムレータおよび空調用圧縮機

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EP (1) EP3754270B1 (es)
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