WO2023249160A1 - Compresseur alternatif - Google Patents

Compresseur alternatif Download PDF

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Publication number
WO2023249160A1
WO2023249160A1 PCT/KR2022/011027 KR2022011027W WO2023249160A1 WO 2023249160 A1 WO2023249160 A1 WO 2023249160A1 KR 2022011027 W KR2022011027 W KR 2022011027W WO 2023249160 A1 WO2023249160 A1 WO 2023249160A1
Authority
WO
WIPO (PCT)
Prior art keywords
muffler
sub
discharge
volume
suction
Prior art date
Application number
PCT/KR2022/011027
Other languages
English (en)
Korean (ko)
Inventor
김영환
손영부
장석종
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2023249160A1 publication Critical patent/WO2023249160A1/fr

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/0027Pulsation and noise damping means
    • F04B39/0055Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/0005Component 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 adaptations of pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121Casings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122Cylinder block
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123Fluid connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00Working fluid
    • F05B2210/10Kind or type
    • F05B2210/14Refrigerants with particular properties, e.g. HFC-134a
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/96Preventing, counteracting or reducing vibration or noise

Definitions

  • a closed compressor is a compressor that is equipped with an electric part that generates power inside a sealed container and a compression part that operates by receiving the power of the electric part.
  • the reciprocating compressor includes a sealed container that forms a closed space, a motor unit that is provided in the sealed vessel and rotates, a compression unit that is installed on the upper side of the motor unit and compresses the refrigerant by receiving the rotational force of the motor unit, and sucks the refrigerant. It includes a suction unit that supplies the compression unit, and a discharge unit that discharges the refrigerant compressed in the compression unit.
  • the suction part includes a suction pipe fixed to the sealed container, and a suction muffler for supplying the refrigerant sucked from the suction pipe to the compression unit
  • the discharge part includes a discharge pipe fixed to the sealed container, and a suction muffler that attenuates the discharge noise of the discharged refrigerant. It includes a discharge muffler and a discharge hose connecting the discharge muffler and the discharge pipe.
  • the height of the compressor is reduced by 9mm to (ultra)miniaturize the compressor
  • the heights of the suction muffler and discharge muffler are reduced by 6mm, respectively, so the volume of the suction muffler and the volume of the discharge muffler are reduced compared to before reducing the height of the compressor.
  • the volume decreases to approximately 85%.
  • Another technical problem to be solved by this specification is to provide an ultra-small reciprocating compressor that can prevent cooling capacity from being deteriorated.
  • Another technical problem to be solved by this specification is to provide an ultra-small reciprocating compressor that can effectively reduce discharge pulsation.
  • Another technical problem that this specification aims to solve is to provide an ultra-small reciprocating compressor that can effectively reduce pulsation noise of various frequencies.
  • a reciprocating compressor includes a closed container forming a closed space; A discharge pipe coupled to an airtight container; An electric unit that includes a stator and a rotor and is installed inside the sealed container to generate rotational force; A compression unit comprising a connecting rod that converts the rotational force of the electric unit into a linear driving force, a piston connected to the connecting rod, and a cylinder into which the piston is movably inserted, and compresses a refrigerant; and a suction/discharge unit including a suction muffler, a discharge muffler, and a suction/discharge tank including a suction space into which the refrigerant passing through the suction muffler flows, and a discharge space into which the refrigerant compressed in the compression unit flows.
  • the discharge pulsation can be effectively reduced, thereby preventing the cooling ability from being deteriorated.
  • cooling power can be increased in proportion to increasing the operating speed of the compressor.
  • the empty space inside the sealed container can be utilized to the maximum, and multiple discharge muffler members can be designed to reduce discharge pulsation noise of a specific frequency. You can.
  • the main muffler may have a larger volume than the sub muffler.
  • the volume of the first sub muffler can be formed to be less than 50% of the volume of the main muffler, and the volume of the second sub muffler can be formed to be less than 50% of the volume of the first sub muffler.
  • At least one of the first sub-muffler and the second sub-muffler may be formed by expanding the diameter of a portion of the discharge hose.
  • the first sub muffler and the second sub muffler may each be formed in a cylindrical shape.
  • the second sub muffler may be directly coupled to the discharge pipe.
  • the at least two sub mufflers may further include a third sub muffler located between the main muffler and the first sub muffler.
  • the third sub muffler may be located adjacent to the extension of the intake muffler on the lower side of the main muffler, and may be connected to the main muffler by the discharge hose, and may be connected to the first sub muffler by the discharge hose. can be connected
  • the width of the third sub muffler may be smaller than the width of the main muffler.
  • the volume of the third sub muffler may be formed to be less than 50% of the volume of the main muffler
  • the volume of the first sub muffler may be formed to be less than 50% of the volume of the third sub muffler
  • the volume of the second sub muffler may be formed to be less than 50% of the volume of the third sub muffler.
  • the volume of may be less than 50% of the volume of the first sub muffler.
  • the size (or volume) of the main muffler located adjacent to the suction muffler with the suction and discharge tank between the plurality of discharge muffler members can be reduced, and the size (or volume) corresponding to the reduced size (volume) can be reduced.
  • many discharge muffler members can be formed in different positions, and the size (or volume) of the suction muffler can be increased as the size (or volume) of the main muffler located adjacent to the suction muffler is reduced.
  • the empty space inside the sealed container can be utilized to the maximum, and multiple discharge muffler members can be designed to reduce discharge pulsation noise of a specific frequency. You can.
  • FIG. 1 is an external perspective view of a reciprocating compressor according to an embodiment of the present specification.
  • Figure 2 is an exploded perspective view of a reciprocating compressor according to an embodiment of the present specification.
  • Figure 3 is a cross-sectional view of a reciprocating compressor according to an embodiment of the present specification.
  • Figure 5 is a front perspective view showing the connection of the muffler assembly and discharge hose according to an embodiment of the present specification.
  • Figure 6 is a rear perspective view showing the connection of the muffler assembly and discharge hose according to an embodiment of the present specification.
  • Figure 10 is a schematic diagram showing the connection of a muffler assembly and a discharge hose according to another embodiment of the present specification.
  • FIG. 12 is a graph showing the effect of improving discharge pulsation of a reciprocating compressor equipped with the muffler assembly shown in FIG. 10.
  • FIG. 1 is a perspective view of a reciprocating compressor according to an embodiment of the present specification
  • FIG. 2 is an exploded perspective view of a reciprocating compressor according to an embodiment of the present specification
  • FIG. 3 is a cross-sectional view of a reciprocating compressor according to an embodiment of the present specification. am.
  • the reciprocating compressor 10 includes a sealed container 100 forming the exterior, an electric motor provided in the internal space of the sealed container 100 and providing driving force.
  • the compression unit 300 receives the driving force from the eastern unit 200 and the electric drive unit 200 and compresses the refrigerant through a linear reciprocating motion, and the refrigerant for compressing the refrigerant in the compression unit 300 is sucked in and the compression unit ( It includes a suction/discharge unit 400 that discharges the compressed refrigerant from 300).
  • the lower sealed container 110 has a roughly hemispherical shape, and various parts forming the transmission unit 200, compression unit 300, suction/discharge unit 400, and compressor 10 together with the upper sealed container 160. Forms a space that accommodates them.
  • the lower sealed container 110 may be referred to as a “compressor body” and the upper sealed container 160 may be referred to as a “compressor cover.”
  • the lower sealed container 110 is provided with a suction pipe 120, a discharge pipe 130, a process pipe 140, and a power supply unit (not shown).
  • the suction pipe 120 introduces refrigerant into the sealed container 100 and is mounted through the lower sealed container 110.
  • the suction pipe 120 may be separately mounted on the lower sealed container 110 or may be formed integrally with the lower sealed container 110.
  • the discharge pipe 130 may also be separately mounted on the lower sealed container 110 or may be formed integrally with the lower sealed container 110.
  • the discharge hose 800 of the suction/discharge unit 400 which will be described later, is connected to the discharge pipe 130.
  • the refrigerant that flows into the suction pipe 120 and is compressed through the compression unit 300 may be discharged to the discharge pipe 130 through the discharge hose 800 of the intake and discharge unit 400.
  • the process pipe 140 is a device provided to charge refrigerant into the sealed container 100 after sealing the inside of the sealed container 100, and includes the suction pipe 120 and the discharge pipe 130 Together, they can be mounted through the lower sealed container 110.
  • the stators 210 and 220 are fixed parts during driving of the electric motor 200 and include a stator core 210 and a stator coil 220.
  • the stator core 210 is made of a metal material and may have an approximately cylindrical shape with an internal hollow.
  • stator coil 220 is mounted inside the stator core 210.
  • the stator coil 220 When power is applied from the outside, the stator coil 220 generates electromagnetic force and performs electromagnetic interaction with the stator core 220 and the rotor 240.
  • the transmission unit 200 can generate a driving force for the reciprocating movement of the compression unit 300.
  • the insulator 230 is disposed between the stator core 210 and the stator coil 220 and prevents direct contact between the stator core 210 and the stator coil 220.
  • stator coil 220 If the stator coil 220 is in direct contact with the stator core 210, the generation of electromagnetic force from the stator coil 220 may be interrupted, and this is to prevent this.
  • the insulator 230 may space the stator core 210 and the stator coil 220 apart from each other by a predetermined distance.
  • the rotor 240 is rotatably provided inside the stator coil 220 and may be installed within the insulator 230.
  • the rotor 240 is provided with a magnet.
  • the rotor 240 rotates through electromagnetic interaction with the stator core 210 and the stator coil 220.
  • the rotation shaft 250 is installed within the rotor 240, is mounted to penetrate the rotor 240 along the vertical direction, and can rotate together with the rotor 240.
  • the rotation shaft 250 is connected to a connecting rod 340, which will be described later, and transmits the rotational force generated by the rotor 240 to the compression unit 300.
  • the rotation plate 254 is installed on one side of the base shaft 252 and can be rotatably mounted on the rotation plate seating portion 320 of the cylinder block 310.
  • the eccentric shaft 256 protrudes upward from the upper surface of the rotating plate 254.
  • the eccentric shaft 256 protrudes at a position eccentric from the axial center of the base shaft 252 and rotates eccentrically when the rotation plate 254 rotates.
  • a connecting rod 340 is mounted on the eccentric shaft 256. According to the eccentric rotation of the eccentric shaft 256, the connecting rod 340 reciprocates linearly in the front-back direction (X-axis direction).
  • the compression unit 300 includes a cylinder block 310, a connecting rod 340, a piston 350, and a piston pin 370.
  • the cylinder block 310 is provided on the upper side of the electric drive unit 200, more specifically, the rotor 240, and is mounted inside the sealed container 100.
  • the cylinder block 310 includes a rotating plate seating portion 320 and a cylinder 330.
  • the rotation plate seating portion 320 is formed at the lower part of the cylinder block 310 and rotatably accommodates the rotation plate 254.
  • a shaft opening 322 through which the rotating shaft 250 can pass is formed in the rotating plate seating portion 320.
  • the cylinder 330 may be made of aluminum.
  • the cylinder 330 may be made of aluminum or aluminum alloy.
  • the connecting rod 340 is a device for transmitting the driving force provided from the transmission unit 200 to the piston 350, and converts the rotational motion of the rotary shaft 250 into a linear reciprocating motion.
  • the magnetic flux generated in the rotor 240 can be prevented from leaking to the outside through the piston 350.
  • the muffler assembly 410 includes a suction space (S) that accommodates the refrigerant sucked from the suction pipe 120 and a discharge space (D) that accommodates the refrigerant compressed in the compression space (C) of the cylinder 330. This is prepared.
  • the valve assembly 480 guides the refrigerant in the suction space (S) into the cylinder 330 or guides the refrigerant compressed in the cylinder 330 to the discharge space (D).
  • the discharge valve 483 is closed and the suction valve 481 is opened. Accordingly, the refrigerant in the suction space (S) may flow into the cylinder 330 without flowing into the discharge space (D).
  • the plurality of gaskets 485 and 488 include a first gasket 485 and a second gasket 488.
  • the first gasket 485 is mounted on the front of the valve assembly 480
  • the second gasket 488 is mounted on the rear of the valve assembly 420.
  • the clamp 492 secures the valve assembly 480, the first gasket 485, the second gasket 488, and the elastic member 490 to the muffler assembly 410.
  • the clamp 492 has an approximate tripod shape and can be mounted on the muffler assembly 410 through a fastening means such as a screw member.
  • the compressor 10 further includes a plurality of damper members 500, 550, 600, and 650 and a balance weight 700.
  • the front damper 500 cushions the vibration of the suction/discharge unit 400 and may be made of a rubber material.
  • the front damper 500 may be coupled to the front upper portion of the cylinder block 310 through a fastening means coupled to the clamp 492.
  • the rear damper 550 cushions the vibration of the compression unit 300 and is mounted on the rear upper part of the cylinder block 310.
  • the rear damper 550 may be made of rubber material.
  • the lower dampers 600 and 650 cushion the vibration of the electric drive unit 200 and are provided in plural pieces.
  • the plurality of lower dampers 600 and 650 include a front lower damper 600 and a rear lower damper 650.
  • the front lower damper 600 cushions vibration on the front side of the transmission unit 200 and is mounted on the front lower side of the stator core 210.
  • the rear lower damper 650 cushions the rear side vibration of the power transmission unit 200 and is mounted on the rear lower side of the stator core 210.
  • FIG. 6 is a rear perspective view showing the connection of the muffler assembly and the discharge hose according to an embodiment of the present specification
  • FIG. 7 is a schematic diagram showing the connection of the muffler assembly and the discharge hose shown in FIGS. 5 and 6.
  • the reciprocating compressor of the present specification includes a plurality of discharge muffler members, preferably three or more, Three or more discharge muffler members are connected in series or parallel.
  • cooling power can be increased in proportion to increasing the operating speed of the compressor.
  • the empty space inside the sealed container can be utilized to the maximum, and multiple discharge muffler members can be designed to reduce discharge pulsation noise of a specific frequency. You can.
  • the muffler assembly 410 includes a first assembly unit 430, a second assembly unit 420, a third assembly unit 425, and a fourth assembly unit. Part 438 is included.
  • the first and second assembly parts 430 and 420 can be collectively referred to as a “suction muffler.”
  • the third assembly part 425 is arranged to be spaced apart from one side of the second assembly part 420. And, between the second assembly part 420 and the third assembly part 425, a suction/discharge tank 426 forming the suction space (S) and the discharge space (D) is installed.
  • the suction and discharge tank 426 includes a partition portion 427 that divides the internal space of the suction and discharge tank 426 into the suction space (S) and the discharge space (D). Additionally, the valve assembly 480 may be installed on one side of the suction/discharge tank 426.
  • the suction space (S) may be shielded by the suction valve 481, and the discharge space (D) may be shielded by the discharge valve 483.
  • the third and fourth assembly parts 425 and 438 can be collectively referred to as the “main muffler.”
  • the “main muffler” refers to the muffler with the largest volume among the plurality of discharge muffler members provided in the reciprocating compressor of this specification.
  • the suction muffler and the main muffler are positioned spaced apart from each other on both sides of the suction and discharge tank 426 with the suction and discharge tank 426 in between.
  • the third assembly part 425 can be referred to as the “muffler body” of the main muffler, and the fourth assembly part 438 can be referred to as the “muffler cover” of the main muffler.
  • a plurality of partition walls may be located in the internal space of the main muffler (425, 438) to form the internal space of the main muffler into a plurality of attenuation spaces, and the number of partition walls may be varied.
  • the first assembly portion 430 of the suction muffler is installed at the lower side of the suction/discharge tank to have a width (W2) that is wider than the width (W1) of the second assembly portion (420) in the left-right direction (Y-axis direction). It is provided with an expansion part (430A) that extends toward the main mufflers (425, 438), and the expansion part (430A) is located in the lower part of the suction and discharge tank (426).
  • the internal volume of the expansion portion 430A is formed to be equal to the volume of the area A1 reduced compared to the conventional suction muffler or larger than the volume of the area A1 reduced compared to the conventional suction muffler.
  • the internal volume of the expansion portion 430A may be slightly smaller than the volume of the area A1, which is reduced compared to the conventional suction muffler.
  • the discharge muffler member of the present specification further includes a sub muffler.
  • At least one of the first sub-muffler 460A and the second sub-muffler 460B may be formed by expanding the diameter of a portion of the discharge hose 800 as shown in FIG. 11.
  • the refrigerant (or discharge gas) that sequentially passes through the main mufflers 425 and 438, the first sub muffler 460A, and the second sub muffler 460B is delivered to the discharge pipe 130.
  • a portion of the discharge hose 800 may be supported by the hose fixing part 553.
  • the hose fixing part 553 is coupled to the rear damper 550 and is configured to clamp the discharge hose 800.
  • the hose fixing part 553 has a pincer shape and may be arranged to surround at least a portion of the outer peripheral surface of the discharge hose 800.
  • the discharge hose 800 can be guided to be positioned away from the inner surface of the sealed container 100.
  • the discharge hose 800 may be made of a flexible rubber material, and the discharge pipe 130 may be made of a metal material, for example, copper (Cu).
  • the suction muffler has an expansion portion
  • the discharge muffler is located adjacent to the suction muffler and can form a main muffler having a volume reduced by the volume of the expansion portion, and a volume equal to the reduced volume of the main muffler.
  • first and second sub mufflers Includes first and second sub mufflers.
  • FIG. 8 is a schematic diagram showing the connection of a muffler assembly and a discharge hose according to another embodiment of the present specification
  • FIG. 9 is a schematic diagram showing the connection of a muffler assembly and a discharge hose according to another embodiment of the present specification.
  • the reciprocating compressor of this embodiment is provided with main mufflers 425 and 438 formed in approximately the same shape as the conventional discharge muffler, and in addition to the first sub muffler 460A and the second sub muffler 460B, the main muffler A third sub muffler (460C) is further provided below the (425, 438) adjacent to the extension portion (430A).
  • FIG. 11 is a graph showing the change in outlet pressure according to the number of discharge muffler members of the reciprocating compressor
  • FIG. 12 is a graph showing the effect of improving discharge pulsation of the reciprocating compressor equipped with the muffler assembly shown in FIG. 10.
  • FIG. 12 compares the discharge pressure in the case of four discharge mufflers with the discharge pressure in the conventional case with only one discharge muffler.
  • the case with four discharge mufflers corresponds to the embodiment of FIG. 10.
  • the discharge hose 800 can be double-injected together with the discharge muffler, and when one muffler is formed by two parts like the main muffler 425 and 438, the first assembly portion and the second assembly portion are laser welded. can be combined by

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

Abstract

Un compresseur alternatif selon un aspect de la présente invention comporte une partie d'aspiration et de refoulement qui aspire un agent frigorigène et fournit l'agent frigorigène à une partie de compression, et refoule l'agent frigorigène compressé dans la partie de compression. La partie d'aspiration et de refoulement comporte un silencieux d'aspiration et un silencieux de refoulement, le silencieux de refoulement comporte une pluralité d'éléments de silencieux de refoulement qui sont situés de façon à être espacés les uns par rapport aux autres, et des éléments de silencieux de refoulement voisins parmi la pluralité d'éléments de silencieux de refoulement sont reliés entre eux par un tuyau souple de refoulement. Dans ce compresseur alternatif présentant la structure ci-dessus, la taille (ou le volume) de l'élément de silencieux de refoulement, parmi la pluralité d'éléments de silencieux de refoulement, qui est adjacent au silencieux d'aspiration peut être réduite, et l'élément de silencieux de refoulement de taille réduite (ou de volume réduit) peut être formé dans une autre position. De plus, la taille (ou le volume) du silencieux d'aspiration peut être accrue autant qu'est réduite la taille (ou le volume) de l'élément de silencieux de refoulement situé au voisinage du silencieux d'aspiration.
PCT/KR2022/011027 2022-06-21 2022-07-27 Compresseur alternatif WO2023249160A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2022-0075593 2022-06-21
KR1020220075593A KR102673040B1 (ko) 2022-06-21 2022-06-21 왕복동식 압축기

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WO2023249160A1 true WO2023249160A1 (fr) 2023-12-28

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KR20050018155A (ko) * 2003-08-13 2005-02-23 엘지전자 주식회사 왕복동식 압축기의 소음 저감 장치
KR101856280B1 (ko) * 2014-11-10 2018-05-09 엘지전자 주식회사 왕복동식 압축기
KR101865515B1 (ko) * 2017-09-29 2018-06-07 엘지전자 주식회사 압축기용 머플러

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KR20000013451U (ko) * 1998-12-26 2000-07-15 전주범 밀폐형 압축기의 머플러 구조

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KR20000042684A (ko) * 1998-12-26 2000-07-15 전주범 밀폐형 압축기의 2단 팽창 토출머플러
KR20050018155A (ko) * 2003-08-13 2005-02-23 엘지전자 주식회사 왕복동식 압축기의 소음 저감 장치
KR101856280B1 (ko) * 2014-11-10 2018-05-09 엘지전자 주식회사 왕복동식 압축기
KR101865515B1 (ko) * 2017-09-29 2018-06-07 엘지전자 주식회사 압축기용 머플러

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