EP3754270B1 - Sammler und kompressor zur klimatisierung - Google Patents

Sammler und kompressor zur klimatisierung Download PDF

Info

Publication number
EP3754270B1
EP3754270B1 EP18906496.7A EP18906496A EP3754270B1 EP 3754270 B1 EP3754270 B1 EP 3754270B1 EP 18906496 A EP18906496 A EP 18906496A EP 3754270 B1 EP3754270 B1 EP 3754270B1
Authority
EP
European Patent Office
Prior art keywords
accumulator
compressor
pipe
support member
support
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
EP18906496.7A
Other languages
English (en)
French (fr)
Other versions
EP3754270A1 (de
EP3754270A4 (de
EP3754270C0 (de
Inventor
Shunsuke Yakushiji
Shohei TERASAKI
Makoto Ogawa
Hirofumi SHIMAYA
Masanari Uno
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 EP3754270A1 publication Critical patent/EP3754270A1/de
Publication of EP3754270A4 publication Critical patent/EP3754270A4/de
Application granted granted Critical
Publication of EP3754270B1 publication Critical patent/EP3754270B1/de
Publication of EP3754270C0 publication Critical patent/EP3754270C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • 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 a compressor for air conditioning.
  • PTL 1 discloses a structure in which a pipe for supplying a refrigerant gas from an accumulator to a compressor body is supported by a support member (connecting member) provided in the accumulator.
  • an exciting force caused by magnetism of a motor driving the compressor body or an exciting force caused by pulsation of the compressor body acts thereon.
  • the exciting force caused by pulsation of the compressor body may cause vibration of a pipe in the accumulator and the vibration may be transmitted to the accumulator via the support member, which may cause noise.
  • the present invention has been made in view of such circumstances and an object thereof is to suppress vibration generated in an accumulator provided adjacent to a compressor body of a compressor for air conditioning and to reduce noise generated in the compressor for air conditioning.
  • an accumulator which is provided adjacent to a compressor body of a compressor for air conditioning according to the appended claim 1.
  • a portion of the most dominant exciting force transmitted from the pipe to the support member is dispersed in a direction in which the support member is twisted.
  • an exciting force that is transmitted to the container body of the accumulator from the pipe via the support member can be reduced. Therefore, according to the accumulator in the present invention, vibration generated at the accumulator provided adjacent to the compressor body of the compressor for air conditioning can be suppressed and noise generated at the compressor for air conditioning can be reduced.
  • the support member includes a plurality of through-holes provided at positions different from the support hole, a rib portion extending from the outer edge extends between the through-holes of the support member that are adjacent to each other, and the center of the support hole is positioned away from a center line along an extending direction in which the rib portion extends toward the center of the support member from the outer edge.
  • a plurality of the pipes are disposed in the container body to correspond to the number of compression chambers of the compressor body, a plurality of the support holes are provided to correspond to the disposed plurality of pipes, and all of centers of the support holes are positioned away from the center line.
  • an exciting force that is transmitted from each of the pipes to the container body of the accumulator via the support member can be reduced and vibration generated at the accumulator can be suppressed.
  • a compressor for air conditioning including the accumulator described above and the compressor body to which the refrigerant gas is supplied from the accumulator via the pipe.
  • the compressor for air conditioning 1 is applied to, for example, an air conditioner for a room.
  • the air conditioner is configured to include an outdoor unit disposed outdoors and an indoor unit disposed indoors.
  • the air conditioner circulates a refrigerant between the outdoor unit and the indoor unit and performs heat exchange outdoors and indoors to perform cooling, heating, or cooling and heating indoors.
  • the compressor for air conditioning 1 is disposed in the outdoor unit, sucks and compresses a refrigerant, and supplies the refrigerant to the outdoor unit or an external element of the indoor unit.
  • the compressor for air conditioning 1 is not limited to an air conditioner for a room and may be applied to an air conditioner having any use.
  • the compressor for air conditioning 1 is configured to include a housing 2, a drive unit 3, a compressor body 4, and an accumulator 5.
  • the housing 2 has a substantially cylindrical shape of which a top and a bottom are sealed and the drive unit 3 and the compressor body 4 are accommodated therein.
  • the housing 2 is disposed with a cylinder thereof standing upright and a discharge pipe 21 is provided at a top thereof.
  • a bottom portion of the housing 2 is configured as an oil reservoir 22 and lubricant L to be supplied to the compressor body 4 is stored in the oil reservoir 22.
  • the drive unit 3 is a slot motor and includes a stator 31, a rotor 32, and a shaft 33.
  • the drive unit 3 is fixed to an inner wall surface of the housing 2 at the stator 31.
  • the rotor 32 is provided to be rotatable with respect to the stator 31 and the shaft 33 is provided to face a vertically lower side.
  • a lower end portion of the shaft 33 is connected to the compressor body 4. Power is supplied to the drive unit 3 from the outside of the housing 2 via a wire (not shown).
  • the compressor body 4 is disposed below the drive unit 3 inside the housing 2.
  • the compressor body 4 is a two-cylinder twin rotary type compression mechanism.
  • a first compression section 41 and a second compression section 42 are configured in multiple stages arranged vertically.
  • the first compression section 41 and the second compression section 42 are arranged along the axis of rotation of the shaft 33.
  • the first compression section 41 includes a rotor 411 and a compression chamber 412.
  • the second compression section 42 includes a rotor 421 and a compression chamber 422.
  • a partition plate 43 is provided between the first compression section 41 and the second compression section 42.
  • the partition plate 43 constitutes a portion of the walls of the compression chambers 412 and 422.
  • An insertion hole 431 into which the shaft 33 is inserted is formed in the partition plate 43.
  • Bearings 44 are provided above and below the first compression section 41 and the second compression section 42.
  • the bearings 44 rotatably support the shaft 33.
  • a crank 331 is provided at a position corresponding to the first compression section 41 and a crank 332 is provided at a position corresponding to the second compression section 42.
  • the crank 331 is provided with the rotor 411 and the crank 332 is provided with the rotor 421.
  • an oil supply passage 333 is provided inside the lower end portion of the shaft 33.
  • a lower end of the shaft 33 is provided to reach the oil reservoir 22 of the housing 2 and from the lower end, the lubricant L is supplied to the compressor body 4 via the oil supply passage 333.
  • the oil supply passage 333 includes an oil supply passage 333a penetrating the crank 331 corresponding to the first compression section 41 and an oil supply passage 333b penetrating the crank 332 corresponding to the second compression section 42.
  • the accumulator 5 is a separator performing gas-liquid separation of a refrigerant gas as a working fluid.
  • the accumulator 5 is disposed outside the housing 2 while being disposed adjacent to the compressor body 4 (adjacent to housing 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 of which a top and a bottom are sealed.
  • the container body 50 is connected to the housing 2 via a connecting member (not shown).
  • a top of the container body 50 is provided with an inflow pipe 501.
  • the pipes 51 include a first pipe 511 and a second pipe 512.
  • the first pipe 511 and the second pipe 512 extend toward the top portion from a bottom portion of the container body 50, inside the container body 50.
  • One end of the first pipe 511 is connected to the compression chamber 412 of the first compression section 41 and the other end thereof is open inside the container body 50.
  • the first pipe 511 is supported by the support member 60 which will be described later.
  • the second pipe 512 is a pipe for supplying a 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 thereof is open inside the container body 50.
  • the second pipe 512 is supported by the support member 60 which
  • a refrigerant gas that has passed through an external element (for example, evaporator (not shown)) is supplied into the container body 50 of the accumulator 5 via the inflow pipe 501. Furthermore, the refrigerant gas is supplied to the first compression section 41 of the compressor body 4 via the first pipe 511 and is supplied to the second compression section 42 of the compressor body 4 via the second pipe 512.
  • the compressor body 4 when power is supplied to the drive unit 3 and the shaft 33 is rotated, the rotors 411 and 421 eccentrically rotate inside the compression chambers 412 and 422 due to the cranks 331 and 332 and the refrigerant gas in the compression chambers 412 and 422 is compressed.
  • the refrigerant gas compressed in the compression chambers 412 and 422 is discharged to the outside of the housing 2 from the discharge pipe 21 and is supplied to the external element.
  • the lubricant L is supplied into each of the compression chambers 412 and 422.
  • a portion of the lubricant 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 lubricant L or dust is separated from the refrigerant gas that has passed through the external element through gas-liquid separation by means of a net-shaped filter 53 provided at an upper portion of the container body 50.
  • the refrigerant gas subjected to the gas-liquid separation is supplied to the compression chambers 412 and 422 and the lubricant L subjected to the gas-liquid separation is accumulated on the bottom portion of the container body 50.
  • the accumulator 5 is configured such that an oil return hole 511a is formed in the first pipe 511, an oil return hole 512a is formed in the second pipe 512, and the lubricant L accumulated on the bottom portion of the container body 50 is returned to the compression chambers 412 and 422.
  • Fig. 2 is a cross-sectional view showing the support member.
  • the support member 60 includes a bottom portion 61, a wall portion 62, support holes 63, and through-holes 64 (see Fig. 2 ).
  • the bottom portion 61 is formed in a circular shape as shown in Fig. 2 .
  • the wall portion 62 extends vertically upward from an outer edge 61a of the bottom portion 61. That is, the support member 60 is formed in a bowl-like shape by the bottom portion 61 and the wall portion 62.
  • the wall portion 62 and the outer edge 61a of the support member 60 are fixed to an inner wall of the container body 50 through, for example, welding. Note that, although the position of the support member 60 in a height direction in the container body 50 may be any position as long as the first pipe 511 and the second pipe 512 can be appropriately supported, in a case where the container body 50 is divided into a plurality of parts at any position in the vertical direction, it is preferable that the support member 60 is provided at a joint therebetween.
  • the support holes 63 are through-holes formed in the bottom portion 61 as shown in Figs. 1 and 2 .
  • the support holes 63 include 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 at an interval.
  • the first support hole 631 is formed such that the inner diameter thereof becomes slightly larger than the outer diameter of the first pipe 511.
  • the first pipe 511 is inserted into the first support hole 631 such that the first pipe 511 is supported in the container body 50.
  • the second support hole 632 is formed such that the inner diameter thereof becomes slightly larger than the outer diameter of the second pipe 512. As shown in Fig.
  • the second pipe 512 is inserted into the second support hole 632 such that the second pipe 512 is supported in the container body 50.
  • the first pipe 511 and the second pipe 512 are supported by the support member 60 and thus the first pipe 511 and the second pipe 512 are restrained from vibrating inside the container body 50 and coming into contact with each other while generating noise.
  • a plurality of through-holes 64 are formed at different positions from the first support hole 631 and the second support hole 632 of the bottom portion 61.
  • the plurality of through-holes 64 are hole portions provided such that the refrigerant gas, the lubricant L, or the like in the container body 50 flow therethrough and prevent the volume of the accumulator 5 from being reduced because of the support member 60.
  • the plurality of through-holes 64 are disposed at positions symmetrical with respect to a center (center of bottom portion 61) 60a of the support member 60.
  • an exciting force caused by magnetism of the drive unit 3 driving the compressor body 4 or an exciting force caused by pulsation of the compressor body 4 acts on the accumulator 5 via the connecting member (not shown) that connects the first pipe 511, the second pipe 512, the housing 2, and the container body 50 to each other.
  • the exciting force caused by pulsation of the compressor body 4 may cause vibration of a pipe in the accumulator 5 and the vibration may be transmitted to the accumulator 5 via the support member 60, which may cause noise.
  • a center 631a of the first support hole 631 and a center 632a of the second support hole 632 formed in the support member 60 are positioned away from a center line A1 passing through the center 60a of the support member 60 as shown in Fig. 2 .
  • the center line A1 is a straight line passing through the center 60a along a direction D of the most dominant exciting force from among exciting forces that are transmitted to the first pipe 511 and the second pipe 512 due to pulsation caused by the operation of the compressor body 4, the direction D being shown by a solid arrow in Fig. 2 .
  • Being positioned away from the center line A1 means that the center 631a of the first support hole 631 and the center 632a of the second support hole 632 are disposed at positions (positions separated from center line A1) that do not coincide with the center line A1. Accordingly, when the most dominant exciting force caused by pulsation of the compressor body 4 acts on the first pipe 511 and the second pipe 512 along the direction D, a portion of the most dominant exciting force transmitted from the first pipe 511 and the second pipe 512 to the support member 60 is dispersed in a direction in which the support member 60 is twisted with respect to the center 60a.
  • the accumulator 5 and the compressor for air conditioning 1 in the present embodiment it is possible to suppress vibration generated in the accumulator 5 provided adjacent to the compressor body 4 of the compressor for air conditioning 1 and to reduce noise generated in the compressor for air conditioning 1.
  • the plurality of pipes 51 (first pipe 511 and second pipe 512) are disposed in the container body 50 to correspond to the number of compression chambers 412 and 422 of the compressor body 4, the plurality of support holes 63 (first support hole 631 and second support hole 632) are provided to correspond to the pipes 51, and all of the centers of the support holes 63 (center 631a of first support hole 631 and center 632a of second support hole 632) are positioned away from the center line A1.
  • FIG. 3 is a cross-sectional view showing a modification example of the support member.
  • a support member 600 shown in Fig. 3 includes a plurality of through-holes 640 instead of the plurality of through-holes 64 of the support member 60 shown in Fig. 2 . Since other constituent elements of the support member 600 are the same as those of the support member 60, the constituent elements are denoted by the same reference numerals and description thereof will be 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, in the present embodiment.
  • the pair of large-diameter holes 641 and 642 are disposed with the center 60a interposed therebetween in the vertical direction in the drawing.
  • the pair of small-diameter holes 643 and 644 are disposed with the center 60a interposed therebetween in the lateral direction in the drawing.
  • the shapes and the positions of the through-holes 64 and 640 shown in Figs. 2 and 3 are merely examples and if the first support hole 631 and the second support hole 632 are formed at different positions, various shapes and positions corresponding to a performance required for the accumulator 5 can be adopted.
  • a rib portion 65 extends from the outer edge 61a between the through-holes 640 of the support member 600 that are adjacent to each other.
  • the rib portions 65 include rib portions 651, 652, 653, and 654 as shown in the drawing.
  • the rib portion 651 is a portion that extends between the large-diameter hole 641 and the small-diameter hole 643.
  • the rib portion 652 is a portion that extends between the large-diameter hole 641 and the small-diameter hole 644.
  • the rib portion 653 is a portion that extends between the large-diameter hole 642 and the small-diameter hole 643.
  • the rib portion 654 is a portion that extends between the large-diameter hole 642 and the small-diameter hole 644.
  • two-dot chain lines in Fig. 3 show a center line B1 along an extending direction of the rib portion 651, a center line B2 along an extending direction of the rib portion 652, a center line B3 along an extending direction of the rib portion 653, and a center line B4 along an extending direction of the rib portion 654, respectively.
  • the "extending directions" are directions in which the rib portions 651, 652, 653, and 654 extend toward the center 60a of the support member 600 from the outer edge 61a.
  • the center 631a of the first support hole 631 and the center 632a of the second support hole 632 are positioned away from the center lines B1, B2, B3, and B4 as shown in the drawing.
  • Being positioned away from the center lines B1, B2, B3, and B4" means that the center 631a of the first support hole 631 and the center 632a of the second support hole 632 are disposed at positions (positions separated from center lines B1, B2, B3, and B4) that do not coincide with the center lines B1, B2, B3, and B4.
  • the shapes of the support members 60 and 600 are not limited to those in the present embodiment.
  • the support members 60 and 600 may include no wall portion 62 as long as the support members 60 and 600 can be stably fixed to the container body 50.
  • a configuration in which the support members 60 and 600 are provided with cylindrical portions that protrude in at least any one of vertical directions from edge portions of the first support hole 631 and the second support hole 632 and the cylindrical portions widely support outer peripheries of the first pipe 511 and the second pipe 512 may also be adopted.
  • the bottom portions 61 of the support members 60 and 600 may be formed in a shape other than a circular shape to correspond to the shape of an inner surface of the container body 50.
  • a configuration of the accumulator 5 according to the embodiment has been described with the twin rotary type compressor for air conditioning 1 as a target.
  • the accumulator 5 according to the embodiment may be applied to any compressor for air conditioning such as a single rotary type compressor for air conditioning or a scroll type compressor for air conditioning.
  • the support member 60 may include one support hole 63 for supporting the one pipe 51.
  • the center of the support hole 63 may be positioned away from at least the center line A1 shown in Fig. 2 and wre positioned away from the center lines B1, B2, B3, and B4 shown in Fig. 3 .
  • the support member 60 may include three or more support holes 63 to correspond to the number of the plurality of pipes 51.
  • the centers of the three or more support holes 63 may be positioned away from at least the center line A1 shown in Fig. 2 and away from the center lines B1, B2, B3, and B4 shown in Fig. 3 .

Landscapes

  • 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)

Claims (2)

  1. Sammler (5), der benachbart zu einem Kompressorkörper (4) eines Kompressors (1) zur Klimatisierung bereitgestellt ist und der gestaltet ist, um ein Kältemittelgas, das einer Gas-Flüssigkeits-Trennung ausgesetzt ist, von einem Behälterkörper (50) des Sammlers (5) dem Kompressorkörper (4) über ein Rohr (51) zuzuführen, der Sammler (5) umfassend:
    ein Stützelement (60), dessen Außenkante an einer Innenwand des Behälterkörpers (50) befestigt ist, wobei das Stützelement (60) ein Stützloch (63) beinhaltet, das das Rohr im Inneren des Behälterkörpers (50) stützt,
    wobei eine Vielzahl der Rohre (511, 512) in dem Behälterkörper (50) angeordnet ist, um der Anzahl von Kompressionskammern (412, 422) des Kompressorkörpers zu entsprechen,
    wobei eine Vielzahl der Stützlöcher (631, 632) bereitgestellt ist, um der angeordneten Vielzahl von Rohren (511, 512) zu entsprechen,
    wobei das Stützelement (60) eine Vielzahl von Durchgangslöchern (64) beinhaltet, die an Positionen bereitgestellt sind, die von der des Stützlochs (63) verschieden sind,
    wobei sich ein Rippenteil (65), der sich von der Außenkante erstreckt, zwischen den Durchgangslöchern (64) des Stützelements erstreckt, die zueinander benachbart sind, und
    wobei eine Mitte des Stützlochs (63) positioniert ist, entfernt von:
    einer Mittellinie (A1), die entlang einer Richtung der dominantesten Erregerkraft, die von dem Kompressorkörper übertragen wird, durch eine Mitte (60a) des Stützelements (60) hindurchgeht, und
    dadurch gekennzeichnet, dass eine Mitte des Stützlochs (63) entlang einer Erstreckungsrichtung, in der sich der Rippenteil von der Außenkante in Richtung zu der Mitte des Stützelements erstreckt, auch entfernt von einer Mittellinie (B1, B2, B3, B4) positioniert ist, und
    wobei alle der Mitten der Stützlöcher (631, 632) entfernt von den Mittellinien (A1, B1, B2, B3, B4) positioniert sind.
  2. Kompressor zur Klimatisierung, umfassend:
    den Sammler (5) nach Anspruch 1; und
    den Kompressorkörper (4), dem das Kältemittelgas von dem Sammler über das Rohr (51) zugeführt wird.
EP18906496.7A 2018-02-13 2018-12-03 Sammler und kompressor zur klimatisierung Active EP3754270B1 (de)

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
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

Publications (4)

Publication Number Publication Date
EP3754270A1 EP3754270A1 (de) 2020-12-23
EP3754270A4 EP3754270A4 (de) 2021-11-17
EP3754270B1 true EP3754270B1 (de) 2024-01-24
EP3754270C0 EP3754270C0 (de) 2024-01-24

Family

ID=67619933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18906496.7A Active EP3754270B1 (de) 2018-02-13 2018-12-03 Sammler und kompressor zur klimatisierung

Country Status (5)

Country Link
EP (1) EP3754270B1 (de)
JP (1) JP2019138576A (de)
CN (1) CN212778059U (de)
ES (1) ES2969941T3 (de)
WO (1) WO2019159497A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220146606A (ko) 2020-03-12 2022-11-01 제지앙 둔안 아트피셜 인바이런먼트 컴퍼니 리미티드 기액 분리기
CN111794971A (zh) * 2020-07-07 2020-10-20 珠海格力节能环保制冷技术研究中心有限公司 储液器及压缩机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019989Y2 (ja) * 1979-09-03 1985-06-15 株式会社東芝 ロ−タリコンプレツサ
JPH0526444Y2 (de) * 1987-08-03 1993-07-05
JP3328952B2 (ja) * 1992-05-22 2002-09-30 松下電器産業株式会社 密閉型電動圧縮機
JPH08128746A (ja) * 1994-09-05 1996-05-21 Sanyo Electric Co Ltd 空気調和機
JP2006299943A (ja) * 2005-04-21 2006-11-02 Matsushita Electric Ind Co Ltd 多気筒圧縮機用アキュームレータ
JP2011169183A (ja) 2010-02-17 2011-09-01 Panasonic Corp 密閉型圧縮機用アキュムレータ
KR101109634B1 (ko) * 2011-12-16 2012-01-31 인제대학교 산학협력단 열교환기 내장형 어큐뮬레이터
JP5958621B2 (ja) * 2014-08-22 2016-08-02 ダイキン工業株式会社 アキュームレータ
CN205373177U (zh) * 2016-02-22 2016-07-06 青岛开拓隆海制冷配件有限公司 一种可均衡回油控制的储液器
CN206037515U (zh) * 2016-08-26 2017-03-22 广东美芝精密制造有限公司 用于压缩机的储液器及具有其的压缩机

Also Published As

Publication number Publication date
JP2019138576A (ja) 2019-08-22
EP3754270A1 (de) 2020-12-23
CN212778059U (zh) 2021-03-23
ES2969941T3 (es) 2024-05-23
EP3754270A4 (de) 2021-11-17
EP3754270C0 (de) 2024-01-24
WO2019159497A1 (ja) 2019-08-22

Similar Documents

Publication Publication Date Title
JP5346210B2 (ja) 密閉型回転圧縮機及び冷凍サイクル装置
US8419394B2 (en) Hermetic compressor including a backflow preventing portion and refrigeration cycle device having the same
EP3754270B1 (de) Sammler und kompressor zur klimatisierung
WO2016139873A1 (ja) 圧縮機
AU2020101791A4 (en) Accumulator and compressor for air conditioning
JP4720649B2 (ja) 電動圧縮機
JP6753355B2 (ja) スクロールコンプレッサ
JP2009108747A (ja) 密閉型電動圧縮機
JP6772934B2 (ja) 電動圧縮機
KR102089805B1 (ko) 로터리 압축기 및 로터리 압축기의 제조 방법
JP2615885B2 (ja) 横置形スクロール圧縮機
JP6710348B1 (ja) 圧縮機及びこの圧縮機を備えた空気調和機
CN111287974B (zh) 四缸压缩机及具有其的制冷装置
KR100447206B1 (ko) 아우터 로터형 전동기가 구비된 스크롤 압축기
WO2022085443A1 (ja) 圧縮機、および冷凍サイクル装置
KR101990137B1 (ko) 어큐물레이터 및 이를 포함하는 압축 유닛
JP7372967B2 (ja) 治具
KR100447205B1 (ko) 아우터 로터형 전동기가 구비된 스크롤 압축기
KR100447207B1 (ko) 아우터 로터형 전동기가 구비된 스크롤 압축기
US20120107158A1 (en) Sealed compressor with multiple compressor unit
WO2020039489A1 (ja) 圧縮機、及び、これを備える冷凍サイクル装置
JP2006052679A (ja) 圧縮機および空気調和機
EP2554845A1 (de) Elektrisch betriebener gaskompressor
JP2023141682A (ja) アキュームレータおよび冷凍サイクル装置
JP2006299837A (ja) 流体圧縮機

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200812

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20211015

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 29/12 20060101ALI20211011BHEP

Ipc: F04B 39/16 20060101ALI20211011BHEP

Ipc: F04B 39/12 20060101ALI20211011BHEP

Ipc: F04B 39/00 20060101ALI20211011BHEP

Ipc: F25B 43/00 20060101AFI20211011BHEP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Ref document number: 602018064681

Country of ref document: DE

Free format text: PREVIOUS MAIN CLASS: F25B0043000000

Ipc: F04B0039120000

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: F25B0043000000

Ipc: F04B0039120000

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 43/00 20060101ALI20230728BHEP

Ipc: F04C 29/06 20060101ALI20230728BHEP

Ipc: F04C 23/00 20060101ALI20230728BHEP

Ipc: F04B 39/16 20060101ALI20230728BHEP

Ipc: F04B 39/12 20060101AFI20230728BHEP

INTG Intention to grant announced

Effective date: 20230814

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602018064681

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

U01 Request for unitary effect filed

Effective date: 20240201

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI

Effective date: 20240209

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2969941

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20240523