WO2018216916A1 - Compresseur rotatif - Google Patents

Compresseur rotatif Download PDF

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Publication number
WO2018216916A1
WO2018216916A1 PCT/KR2018/004995 KR2018004995W WO2018216916A1 WO 2018216916 A1 WO2018216916 A1 WO 2018216916A1 KR 2018004995 W KR2018004995 W KR 2018004995W WO 2018216916 A1 WO2018216916 A1 WO 2018216916A1
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WO
WIPO (PCT)
Prior art keywords
cylinder
oil
rotary compressor
compression
intermediate plate
Prior art date
Application number
PCT/KR2018/004995
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English (en)
Korean (ko)
Inventor
조국현
사범동
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
Priority to CN201880034789.9A priority Critical patent/CN110678655B/zh
Publication of WO2018216916A1 publication Critical patent/WO2018216916A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/18—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber
    • F04C28/22—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
    • 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
    • F04C29/02—Lubrication; Lubricant 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/028—Means for improving or restricting lubricant flow
    • 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
    • F04C29/04—Heating; Cooling; Heat insulation

Definitions

  • the present invention relates to a hermetic compressor, and to a rotary compressor capable of reducing the temperature of the compression unit.
  • the compressor is applied to a vapor compression refrigeration cycle device such as a refrigerator or an air conditioner.
  • the compressor may be classified into a rotary type and a reciprocating type according to a method of compressing a refrigerant.
  • a rotary compressor is a method in which a rolling piston (hereinafter referred to as a roller) changes the volume of the compression space while rotating or pivoting in a cylinder, and a reciprocating compressor changes the volume of the compression space while the roller reciprocates in the cylinder. That's the way.
  • a rolling piston hereinafter referred to as a roller
  • a reciprocating compressor changes the volume of the compression space while the roller reciprocates in the cylinder. That's the way.
  • a rotary compressor there is a rotary compressor that compresses a refrigerant by using the rotational force of the electric drive.
  • the rotary compressor is a compressor in which a roller and a vane contact each other, and the compression space of the cylinder is divided into a suction chamber and a discharge chamber around the vane.
  • the vane inserted into the cylinder moves linearly while the roller rotates. Accordingly, the suction chamber and the discharge chamber form a compression chamber whose volume (volume) is variable to suck, compress, and discharge the refrigerant. You lose.
  • the rotary compressor has a vane rotary compressor in which the vane is inserted into the roller, and is rotated with the roller to be drawn out by centrifugal force and back pressure to form a compression space.
  • the inner circumferential surface of the cylinder has an ellipse or an ellipse and a circle.
  • a vane rotary compressor with a so-called hybrid cylinder which is formed in a combined shape to reduce friction loss and increases compression efficiency, is also used.
  • the hermetic compressor is provided with a driving motor for generating a driving force in the inner space of the sealed casing and a compression unit for compressing a fluid by receiving the driving force of the driving motor.
  • a driving motor and a compression unit are installed to compress and discharge the sucked refrigerant.
  • the drive motor compresses the refrigerant sucked through the compression unit while rotating the rotating shaft.
  • An object of the present invention is to provide a structure of a compressor that can lower the temperature of the rising compression unit in the compressor driving process.
  • Another object of the present invention is to cool the elevated temperature of the compression unit while exchanging heat with the oil contained in the case.
  • Another object of the present invention is to reduce the temperature of the elevated compression unit more efficiently while moving the oil contained in the case to the inside of the intermediate plate.
  • Another object of the present invention is to increase the efficiency of the compressor by reducing the work required to compress the refrigerant by limiting the temperature rise of the sucked refrigerant.
  • Another object of the present invention is to effectively reduce the temperature around the compression chamber through a simple structural change of the intermediate plate, without affecting the durability of the compression unit or modifying the shape of the cylinder.
  • a rotary compressor includes a drive motor installed inside the case and a rotating shaft coupled to the drive motor to transmit rotational force; A first cylinder and a second cylinder in which a compression space is formed in the center of the opened circle; A first roller and a second roller pivoting the compression space; First and second vanes which divide the compression space of each cylinder into a suction chamber and a compression chamber; A main bearing coupled to an upper portion of the first cylinder, and a sub bearing coupled to a lower portion of the second cylinder; And an intermediate plate disposed between the main bearing and the sub-bearing to separate the first cylinder and the second cylinder, wherein the intermediate plate is formed with an oil flow path formed inwardly from one side thereof and the oil flow path. Heat exchange may be achieved by the oil moving along.
  • the oil passage may be formed to penetrate the side of the intermediate plate, one side of the oil passage is formed to overlap with the compression chamber, it is possible to more efficiently absorb the heat generated by the drive of the compressor. .
  • the oil passage may be formed in plural, and each oil passage may be formed in a direction crossing each other.
  • the oil passage may be formed to have a circular cross section, or an inner surface of the oil passage may be formed with a groove having a predetermined shape, and the oil moves along the oil passage; Can be made to increase the contact area.
  • the rotary compressor having the above structure can be cooled by heat-exchanging the temperature of the compression unit which is raised in the compressor driving process with oil.
  • the oil accommodated in the case can exchange heat with the compression unit while moving along the oil flow path formed inside the intermediate plate, thereby limiting the temperature rise of the refrigerant flowing through the accumulator.
  • the oil channel has a simple structure that penetrates the side of the intermediate plate and is formed to overlap the compression space, thereby effectively lowering the elevated temperature of the compression chamber.
  • FIG. 1 is a cross-sectional view showing an internal view of a rotary compressor according to the present invention.
  • Figure 2 is a perspective view showing the state of the compression unit located inside the rotary compressor.
  • FIG. 3 is an exploded view showing each configuration of the compression unit of FIG.
  • FIG. 4 is a plan view showing a state in which the compression unit is viewed from above.
  • FIG 5 is a view showing a state in which each oil channel is formed on the intermediate plate.
  • 6A, 6B, and 6C are enlarged views of the inside of each oil passage formed in the intermediate plate.
  • FIG. 7A to 7D are views showing various modification examples of the oil flow path formed in the intermediate plate 140.
  • FIG. 1 is a cross-sectional view showing the inside of the rotary compressor 100.
  • the rotary compressor 100 includes a case 110, a drive motor 120, and a compression unit 130.
  • the two cylinders (133a, 133b) are installed inside the case 110, respectively, to form a different compression space (V), the structure of the so-called twin rotary compressor, the object.
  • the case 110 is to form an appearance, made of a cylindrical shape extending in one direction, it may be formed along the extending direction of the rotation shaft 123.
  • the case 110 is composed of an upper shell 110a, an intermediate shell 110b and a lower shell 110c.
  • the drive motor 120 and the compression unit 130 may be fixedly installed on the inner surface of the intermediate shell 110b, and the upper and lower shells 110a and 110c are respectively disposed on the upper and lower portions of the intermediate shell 110b. Installed in combination, it limits the external exposure of the components located inside the case 110.
  • the compression unit 130 is installed inside the case 110.
  • the compression unit 130 serves to compress and discharge the refrigerant, and the rollers 134a and 134b, the vanes 135, the cylinders 133a and 133b, the main bearing 131, the sub bearing 132 and the intermediate plate. 140.
  • the drive motor 120 is installed inside the case 110.
  • the drive motor 120 is positioned above the compression unit 130 and serves to provide power for compressing the refrigerant.
  • the drive motor 120 includes a stator 121, a rotor 122, and a rotation shaft 123.
  • the stator 121 is fixedly installed in the case 110 and may be mounted on the inner circumferential surface of the cylindrical case 110 by shrinking.
  • the stator 121 may be fixedly installed on the inner circumferential surface of the intermediate shell 110b.
  • the rotor 122 may be disposed to be spaced apart from the stator 121 and may be disposed inside the stator 121.
  • the rotor 122 When power is applied to the stator 121, the rotor 122 is rotated by a force generated by a magnetic field formed between the stator 121 and the rotor 122 to penetrate the center of the rotor 122.
  • the rotational force is transmitted to the rotating shaft 123.
  • a suction port 114a is installed at one side of the intermediate shell 110b to allow suction of refrigerant to the cylinders 133a and 133b, and a discharge port 114b is installed at one side of the upper shell 110a to provide a case ( The coolant flows out from the inside of the 110.
  • the compression unit 130 compresses the sucked refrigerant, and the compressed refrigerant is the first discharge space 137 and the second discharge formed by the discharge plates 136a and 136b respectively installed at the upper and lower portions of the compression unit 130. After moving to the space 138, it is collected in the space above the case 110 and then moved along the discharge port 114b.
  • the refrigerant flowing into the cylinder 133a 133b along the suction passage 111 has rollers 134a and 134b coupled to the eccentric portion 123a of the rotation shaft 123 along the inner circumferential surfaces of the cylinders 133a and 133b. As it pivots, the refrigerant is compressed and discharged.
  • the refrigerant sucked into the compression unit 130 via the accumulator 11 is overheated compression unit 130
  • the heat is raised from the temperature rises.
  • the specific volume of the refrigerant to be sucked is lowered, thereby causing a loss of cooling force, thereby lowering the efficiency of the compressor.
  • the rotary compressor 100 forms an oil passage 140a in the intermediate plate 140 which serves to separate the cylinders 133a and 133b, and the oil is along the oil passage 140a. It is accommodated, and has the effect of lowering the temperature of the compression unit 130 is raised in accordance with the operation of the compressor.
  • FIG 2 is a perspective view showing a state of the compression unit 130 located inside the rotary compressor.
  • the compression unit 130 installed inside the case 110 compresses the sucked refrigerant and then moves to the upper portion of the inside of the compressor through the discharge spaces 137 and 138, and then through the discharge port 114b. It is discharged to the outside.
  • Compression unit 130 the main bearing 131, the sub-bearing 132, the first cylinder 133a, the second cylinder 133b, the intermediate plate 140, rollers 134a, 134b and vanes 135a, 135) as a configuration.
  • Each of the cylinders 133a and 133b is provided at different positions along the rotation shaft 123 and includes a first cylinder 133a and a second cylinder (V) having a compression space V in which a refrigerant is accommodated in an open circular center portion. 133b).
  • the first cylinder 133a and the second cylinder 133b are installed inside the case 110 forming the exterior of the rotary compressor 100, and the refrigerant flowing through the suction passage 111 may be accommodated in the center thereof.
  • the compression space V can be formed.
  • An intermediate plate 140 is installed between the first cylinder 133a and the second cylinder 133b to separate the compression spaces V formed in the first cylinder 133a and the second cylinder 133b from each other. do.
  • rollers 134a and 134b which rotate about the rotating shaft 123 and form a compression space V while contacting the inner circumferential surface 133a of the cylinders 133a and 133b are installed. do.
  • the compression space V compresses the compression space V formed in the cylinders 133a and 133b together with the vanes 135a and 135b by the movement of the rollers 134a and 134b, respectively.
  • the compartment V2 can be partitioned.
  • the main bearing 131 is coupled to the upper portion of the first cylinder 133a and the sub bearing 132 is coupled to the lower portion of the second cylinder 133b.
  • the rollers 134a 134b include a first roller 134a installed inside the first cylinder 133a and a second roller 134b installed inside the second cylinder 133b.
  • Each roller 134a 134b is coupled to the eccentric portions 123a and 123b of the rotation shaft 123, and the roller 134 rotates together with the rotation shaft 123 in the compression space V to compress the refrigerant. Will form.
  • the first roller 134a and the second roller 134b move in contact with the inner circumferential surfaces of the first and second cylinders 133a and 133b, respectively, to form a compression of the refrigerant. That is, the first roller 134a and the second roller 134b will move while forming virtual contact lines P that extend up and down along the inner circumferential surfaces of the first and second cylinders 133a and 133b, respectively.
  • the first roller 134a and the second roller 134b have rotation centers different from the center of the rotation shaft 123, the first roller 134a and the second roller 134b are formed of the first and second cylinders ( The refrigerant contained can be compressed while pivoting so as to contact the inner circumferential surfaces of 133a and 133b.
  • Vanes 135a and 135b are installed at one side of each cylinder 133a and 133b, and vanes 135a and 135b are drawn out into the compression space V to be in contact with the outer circumferential surfaces of the rollers 134a and 134b to contact each cylinder 133a. , 133b) divides the compression space V inside the suction chamber V1 and the compression chamber V2, respectively.
  • the vanes 135a and 135b include a first vane 135a accommodated in the first cylinder 133a and a second vane 135b accommodated in the second cylinder 133b.
  • the front end (not shown) of the first vane 135a is in contact with the outer circumferential surface of the first roller 134a accommodated in the compression space V of the first cylinder 133a.
  • the compression space V of the first cylinder 133a can be divided into a suction chamber V1 and a compression chamber V2.
  • the front end portion (not shown) of the second vane 135b is in contact with the outer circumferential surface of the first roller 134a accommodated in the compression space V of the second cylinder 133b, so that the second cylinder 133b Compression space (V) can be partitioned into suction chamber (V1) and compression chamber (V2), respectively.
  • Protrusion of each vane 135a, 135b can be made by the pressure or elastic force of the oil formed in the back pressure space (not shown) in which the rear end of each vane 135a, 135b is located.
  • the refrigerant flowing in from the suction passage 111 is compressed and then discharged.
  • the compressed refrigerant moves along the discharge holes 133b formed on the inner surfaces of the cylinders 133a and 133b.
  • the oil flow path (140a, 140b) is formed in the intermediate plate 140, by reducing the temperature of the overheated compression unit 130, the temperature rise of the refrigerant flowing into each cylinder (133a, 133b) Can be limited.
  • FIG. 3 is an exploded view showing each configuration of the compression unit of FIG.
  • the compression unit 130 is configured such that the first cylinder 133a, the second cylinder 133b, and the intermediate plate 140 are positioned between the main bearing 131 and the sub bearing 132, respectively.
  • the first roller 134a is installed at the first eccentric portion 123a of the rotating shaft 123 to form compression and discharge of the refrigerant while moving along the inner circumferential surface of the first cylinder 133a.
  • a second roller 134b is provided at the second eccentric portion 123b of the rotation shaft 123 to form compression and discharge of the refrigerant while moving along the inner circumferential surface of the second cylinder 133b.
  • oil passages 140a and 140b may be formed in the intermediate plate 140 positioned between the first cylinder 133a and the second cylinder 133b.
  • the oil contained in the case 110 moves along the oil passages 140a and 140b formed in the intermediate plate 140, thereby forming cooling of the first cylinder 133a and the second cylinder 133b. Since the oil surface of the oil accommodated in the case 110 is formed up to the upper surface of the intermediate plate 140, the oil can be moved along the oil passages 140a and 140b, and the rotary shaft 123 of the compressor is driven. By rotation, the oil can move more smoothly to the centers of the oil passages 140a and 140b.
  • each of the oil passages 140a and 140b may be formed to penetrate the side surface of the intermediate plate 140 and may be formed inside the intermediate plate 140.
  • One side of each of the oil passages 140a and 140b passes through a position overlapping with the compression chambers V2 formed in the cylinders 133a and 133b to facilitate absorption of heat generated in the compression chamber V2. .
  • FIG. 4 is a view of the compression unit viewed from above, and shows the state of each of the oil passages 140a and 140b formed in the intermediate plate 140 and the position of the compression unit 130.
  • FIG. 5 shows the intermediate plate 140.
  • Fig. 4 shows the state in which oil passages 140a and 140b are formed.
  • a plurality of oil passages 140a and 140b may be formed inside the intermediate plate 140, and the oil passages 140a and 140b may cross each other. have.
  • each of the oil passages 140a and 140b may be positioned to be spaced apart from the discharge refrigerant movement holes 142 through which the refrigerant is discharged.
  • each of the oil passages 140a and 140b passes through a position overlapping with the compression chambers V2 formed in the cylinders 133a and 133b, and thus, in the compression chamber V2. It is made to absorb the heat generated sufficiently.
  • each of the oil passages (140a, 140b) is formed so as to pass through the position overlapping the compression chamber (V2).
  • the oil moving along each of the oil passages 140a and 140b exchanges heat with the overheated cylinders 133a and 133b to allow cooling.
  • each of the oil passages 140a and 140b may be formed to penetrate the other side from one side of the intermediate plate 140 and may be formed in a direction crossing each other. At this time, each of the oil passages 140a and 140b is formed to be spaced apart from the bolt fastening hole 141 formed in the intermediate plate 140 and the discharge refrigerant movement hole 142 through which the discharged refrigerant moves. It is possible to prevent the phenomenon of leakage to the outside of the.
  • 6A, 6B, and 6C are enlarged views of the inside of each of the oil passages 140a and 140b formed in the intermediate plate 140.
  • each of the oil passages 140a and 140b may pass through the side surface of the intermediate plate 140 and may be formed toward the center portion.
  • each of the oil passages 140a and 140b may have various shapes.
  • the cross section of each oil passage 140a, 140b may be made of a circle having a constant diameter.
  • the diameter of each oil passage (140a, 140b) should be made to have a diameter smaller than the height of the intermediate plate 140, it may be made to have a diameter smaller than approximately 0.4 times the height of the intermediate plate.
  • grooves having a predetermined shape may be formed on the inner surfaces of the oil passages 140a and 140b, for example, on the inner surfaces of the oil passages 140a and 140b, respectively.
  • a straight groove 143 may be formed along the direction in which the oil passages 140a and 140b extend.
  • a spiral groove 144 may be formed on an inner side surface of each of the oil passages 140a and 140b along an inner side surface of each of the oil passages 140a and 140b.
  • the spiral groove 144 may be formed at a set interval along the direction in which the oil passages 140a and 140b extend, and through this, the contact area with the moving oil is enlarged, thereby increasing heat exchange performance and heating the compression unit.
  • the cooling effect of 130 can be further increased.
  • FIG. 7 (a) to 7 (d), which relate to another embodiment of the present invention, are views showing various modifications of the oil flow path formed in the intermediate plate 140.
  • the oil channel is formed to penetrate the side of the intermediate plate 140, and in particular, one side of the oil channel is made to overlap with the compression chamber of the cylinder that generates a relatively high heat during the operation of the compressor. .
  • each of the oil passages 140a and 140b may extend toward the center where the rotation shaft 123 is located at different sides of the intermediate plate 140. .
  • any one oil passage 140a may not extend to the rotation shaft 123 positioned to be inserted into the center of the intermediate plate 140.
  • each oil passage 140a, 140b, 140c, 140d is formed along the direction crossing each other.
  • each oil passage 140a, 140b, 140c should be formed to be spaced apart from the bolt fastening hole 141 formed in the intermediate plate 140 and the discharge refrigerant moving hole 142 for moving the discharged refrigerant. .
  • the plurality of oil passages 140a are formed to overlap each other with the compression chamber V2 that generates high heat during the driving of the compressor, thereby forming heat formed in the compression chamber V2. It can be lowered more effectively, and by reducing the temperature of the overheated compression unit 130, it is possible to obtain the effect of limiting the temperature rise of the refrigerant flowing into each cylinder (133a, 133b).
  • the present invention may be variously applied and applied in the field of producing or using a rotary compressor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

La présente invention concerne un compresseur rotatif comprenant : un moteur d'entraînement disposé à l'intérieur d'un carter et un arbre de rotation accouplé au moteur d'entraînement, destiné à délivrer une force de rotation ; un premier cylindre et un second cylindre comprenant chacun une partie centrale circulaire ouverte dans laquelle une zone de compression est formée ; un premier rouleau et un second rouleau qui tournent dans l'espace de compression ; une première aube et une seconde aube destinées à diviser l'espace de compression de chacun des cylindres en une chambre d'aspiration et une chambre de compression ; un palier principal accouplé à la partie supérieure du premier cylindre et un sous-palier accouplé à la partie inférieure du second cylindre ; et une plaque intermédiaire disposée entre le palier principal et le sous-palier, destinée à séparer le premier cylindre et le second cylindre, la plaque intermédiaire pouvant comporter un canal d'huile formé à partir d'une surface latérale vers l'intérieur et pouvant être le siège d'un échange de chaleur du fait du déplacement d'une l'huile le long du canal d'huile.
PCT/KR2018/004995 2017-05-26 2018-04-30 Compresseur rotatif WO2018216916A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201880034789.9A CN110678655B (zh) 2017-05-26 2018-04-30 旋转式压缩机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170065456A KR102339600B1 (ko) 2017-05-26 2017-05-26 로터리 압축기
KR10-2017-0065456 2017-05-26

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WO2018216916A1 true WO2018216916A1 (fr) 2018-11-29

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2022255714A1 (fr) * 2021-06-01 2022-12-08 Hanon Systems Dispositif de refroidissement d'un fluide à comprimer dans un compresseur et compresseur doté du dispositif

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KR102414968B1 (ko) 2020-12-03 2022-07-07 유진기공산업주식회사 로타리 피스톤 공기압축기

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