EP3665391B1 - Compresseur avec étanchéité entre la culasse de cylindre et le trous de cylindre - Google Patents

Compresseur avec étanchéité entre la culasse de cylindre et le trous de cylindre Download PDF

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Publication number
EP3665391B1
EP3665391B1 EP18737211.5A EP18737211A EP3665391B1 EP 3665391 B1 EP3665391 B1 EP 3665391B1 EP 18737211 A EP18737211 A EP 18737211A EP 3665391 B1 EP3665391 B1 EP 3665391B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
compressor
cylinder head
face surface
brackets
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
EP18737211.5A
Other languages
German (de)
English (en)
Other versions
EP3665391A1 (fr
Inventor
Cemal Seref Oguzhan Ozturk
Bilgin Hacioglu
Cihan Gunduz
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.)
Arcelik AS
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Arcelik AS
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Publication date
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Publication of EP3665391A1 publication Critical patent/EP3665391A1/fr
Application granted granted Critical
Publication of EP3665391B1 publication Critical patent/EP3665391B1/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
    • 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
    • F04B39/125—Cylinder heads
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • 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
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0072—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes characterised by assembly or mounting
    • 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
    • F04B39/02—Lubrication
    • F04B39/0223—Lubrication characterised by the compressor type
    • F04B39/023—Hermetic compressors
    • 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
    • F04B39/123—Fluid connections

Definitions

  • the present invention relates to a compressor comprising a cylinder head whose sealing member thrust surface is contracted.
  • suction mufflers are used enabling the circulating fluid used for providing cooling to reach the cylinder region without heating up, and the noise caused by the cycling fluid to be prevented.
  • a suction muffler is made of plastic material and is placed on the cylinder head or between the cylinder head and the valve plate. The sucked cycling fluid reaches the cylinder by passing through the portion forming the suction pipe, and the suction muffler provided in the cylinder head. While attempting to minimize the noise generated during this process, it is also required to improve the thermodynamic efficiency. However, heat transfer occurs at the portions where the cylinder head joins the suction muffler head, affecting the thermodynamic cycle.
  • the cylinder head thrusts the face surface of the body via a sealing member, and the thrust is applied from the edges of the face surface of the body which is distant from the body cylinder hole whose surface is a high-pressure zone. While the thrust force applied by the bolts is constant, the thrust pressure decreases on the thrust region enlarged due to being on the sides. Another problem experienced is the thrust being decreased due to the deformations forming on the cylinder head generating the thrust. The decreasing thrust causes the high-pressure gas to leak, leading to a decrease in efficiency.
  • European Patent Application no. EP 195 486 discloses a compressor in which heat transfer between a suction muffler and a cylinder head is minimized by contracting the contact surface in between.
  • United States Patent Application no. US2002034450A1 discloses a refrigerant compressor comprising a first sealing and a second sealing between cover and cylinder block, wherein flow resistance of suction gas is reduced.
  • the aim of the present invention is to realize a compressor with increased volumetric efficiency enabling a cycling fluid to be transferred to a cylinder without increasing its temperature and pressure by preventing thrust pressure decreases at the portions where the cylinder head and the cylinder hole contact each other.
  • the compressor realized to achieve the aim of the present invention is defined in the first claim and the dependent claims.
  • the compressor comprises a sealing member placed such that its thrust surface is on the periphery of cylinder hole, and a cylinder head placed on the sealing member.
  • the thrust surface and the sealing member are contracted so as to be around the cylinder hole where the pressure is high.
  • the thrust surface is contracted it would be more durable, preventing thrust pressure decreases due to deformation.
  • a clearance is provided between the brackets extending outwards from the cylinder head, and the cylinder head resting on the body cylinder hole.
  • the brackets are spaced from the face surface plane so as not to contact the face surface. Thereby generation of unnecessary thrust force is prevented by avoiding contact between the face surface and the brackets, and it becomes possible to form the thrust surface only around the cylinder hole by the sealing member. Furthermore, a higher pressure is applied on the sealing member for the same level of mounting torque applied via the brackets.
  • brackets are provided in the preferred embodiment, placed around the portion of the cylinder head resting on the cylinder hole such that there is a given angle in between the brackets.
  • At least two pins are provided, placed opposite each other so as to be between two brackets.
  • the pins are used to reference to each other and group the cylinder head and the face surface.
  • the compressor of the invention comprises an exhaust connection slot provided on the cylinder head, enabling connection to the exhaust hole, and a protrusion disposed on each one of the valve plate and the sealing member, so as to be conformed with the shape of the exhaust connection slot and provide sealing.
  • the compressor (1) of the invention comprises a housing (2) enclosing the movable parts, a body (3) on which the parts are assembled, a crank (5) rotating in the housing (2), a motor (4) enabling the crank (5) to be rotated, a cylinder (6) enabling pumping the circulating fluid, a face surface (9) disposed on the body (3), a cylinder hole (7) provided on the face surface (9), in which the cylinder (6) is placed, a suction muffler (8) enabling the circulating fluid to reach the cylinder (6) without being heated and the noise caused by the circulating fluid to be prevented, a cylinder head (10) connecting the suction muffler (8) and the cylinder (6), directing the sucked and pumped circulating fluid, a valve plate (11) enabling the circulating fluid to be sucked and pumped by forming a connection between the cylinder head (10) and the cylinder (6), a suction valve leaf (12) enabling the fluid to be sucked into the cylinder (6), an exhaust
  • the circulating fluid in the cylinder hole (7) is compressed by the rotational motion of the motor (4).
  • the circulating fluid enters the cylinder hole (7) by opening of the suction valve leaf (12) provided on the valve plate (11), and is compressed.
  • the circulating fluid is transmitted to the cylinder head (10) by opening of the exhaust valve leaf (13).
  • the cylinder head (10) thrusts on the valve plate (11), and the valve plate (11) in turn thrusts on the sealing member (14) thereby providing sealing between itself and the face surface (9).
  • the thrust surface is reduced so as to be only around the cylinder hole (7) where the pressure is high.
  • the thrust surface since the thrust surface is contracted, it would be more durable, preventing the decreases in thrust pressure due to deformation.
  • the compressor (1) comprises a plurality of brackets (15) extending outwards from the cylinder head (10), and a clearance (16) disposed between the brackets (15) and the cylinder head (10) resting on the cylinder hole (7).
  • the brackets (15) are spaced from the face surface (9) plane so as not to contact the face surface (9).
  • generation of unnecessary thrust force is prevented by avoiding contact between the face surface (9) and the brackets (15), making it possible to form the thrust surface only around the cylinder hole (7) by the sealing member (14).
  • a higher pressure is applied on the sealing member (14) for the same level of mounting torque applied via the brackets (15).
  • brackets (15) are provided.
  • the brackets (15) are preferably placed symmetrically to the horizontal and the vertical axes.
  • the thickness of the sealing member (14) is selected according to the required clearance volume.
  • the compressor (1) comprises an exhaust hole (19) on the face surface (9), used for discharging the high-pressure exhaust gas, and an exhaust connection slot (20) provided on the cylinder head (10), providing a connection to the exhaust hole (19).
  • the exhaust connection slot (20) is provided between two brackets (15).
  • the compressor (1) comprises a protrusion (18) disposed on each one of the valve plate (11) and the sealing member (14), so as to be conformed with the shape of the exhaust connection slot (20) and provide sealing ( Figure 4 ).
  • the compressor (1) comprises at least one pin (21) grouping and referencing the cylinder head (10) and the sealing member (14) to each other, and at least one pin bore (22) provided on the face surface (9) so as enable the pins (21) to enter the face surface (9).
  • two pins (21) and two pin bores (22) are provided opposite each other between two brackets (15) such that they are mutually above and below the cylinder hole.

Landscapes

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

Claims (6)

  1. Compresseur (1) comprenant : un carter (2) renfermant les pièces mobiles, un corps (3) sur lequel les pièces sont assemblées, une manivelle (5) tournant dans le carter (2), un moteur (4) permettant la rotation de la manivelle (5), un cylindre (6) permettant le pompage du fluide de circulation, une surface frontale (9) disposée sur le corps (3), un trou de cylindre (7) prévu sur la surface frontale (9), dans lequel est placé le cylindre (6), un silencieux d'aspiration (8) permettant au fluide de circulation d'atteindre le cylindre (6) sans être chauffé et empêchant le bruit causé par le fluide de circulation, une culasse (10) reliant le silencieux d'aspiration (8) et le cylindre (6), dirigeant le fluide de circulation aspiré et pompé, une plaque de soupape (11) permettant au fluide de circulation d'être aspiré et pompé en formant une connexion entre la culasse (10) et le cylindre (6) aspiré et pompé en formant une connexion entre la culasse (10) et le cylindre (6), une feuille de soupape d'aspiration (12) permettant d'aspirer le fluide dans le cylindre (6), une feuille de soupape d'échappement (13) permettant de décharger le fluide circulant dans le cylindre (6), un élément d'étanchéité (14) monté sur la périphérie du trou de cylindre (7), entre la surface frontale (9) et la culasse (10) de telle sorte que la surface de poussée de l'élément d'étanchéité (14) se trouve sur la périphérie du trou de cylindre (7), caractérisé par une pluralité de supports (15) s'étendant vers l'extérieur à partir de la culasse (10), et par un jeu (16) entre les supports (15) et la culasse (10) reposant sur le trou de cylindre (7), dans lequel les supports (15) sont espacés du plan de la surface frontale (9) par le jeu (16) de manière à ne pas entrer en contact avec la surface frontale (9).
  2. Compresseur (1) selon la déclaration 1, caractérisé par quatre supports (15) placés symétriquement par rapport aux axes horizontal et vertical.
  3. Compresseur (1) selon la déclaration 1 ou 2, caractérisé par un trou d'échappement (19) sur la surface frontale (9), utilisé pour décharger le gaz d'échappement à haute pression, et par une fente de connexion d'échappement (20) prévue sur la culasse (10), fournissant une connexion au trou d'échappement (19).
  4. Compresseur (1) selon la déclaration 3, caractérisé par une fente de connexion d'échappement (20) prévue entre deux supports (15).
  5. Compresseur (1) selon l'une quelconque des déclarations 3 et 4, caractérisé par une saillie (18) disposée sur chacun du plateau de soupape (11) et de l'élément d'étanchéité (14), de manière à épouser la forme de la fente de raccordement d'échappement (20) et à assurer l'étanchéité.
  6. Compresseur (1) selon l'une quelconque des déclarations précédentes, caractérisé par au moins une goupille (21) groupant la culasse (10) et l'élément d'étanchéité (14) l'un à l'autre, et par au moins un alésage de goupille (22) prévu sur la surface frontale (9) de manière à permettre aux goupilles (21) de pénétrer dans la surface frontale (9).
EP18737211.5A 2017-08-09 2018-06-29 Compresseur avec étanchéité entre la culasse de cylindre et le trous de cylindre Active EP3665391B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2017/11734A TR201711734A2 (tr) 2017-08-09 2017-08-09 Si̇li̇ndi̇r kafasi i̇le si̇li̇ndi̇r deli̇ği̇ arasinda etki̇n sizdirmazlik sağlanan bi̇r kompresör
PCT/EP2018/067568 WO2019029905A1 (fr) 2017-08-09 2018-06-29 Compresseur à étanchéité efficace disposée entre la culasse et la cavité de cylindre

Publications (2)

Publication Number Publication Date
EP3665391A1 EP3665391A1 (fr) 2020-06-17
EP3665391B1 true EP3665391B1 (fr) 2023-01-04

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ID=62816536

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Application Number Title Priority Date Filing Date
EP18737211.5A Active EP3665391B1 (fr) 2017-08-09 2018-06-29 Compresseur avec étanchéité entre la culasse de cylindre et le trous de cylindre

Country Status (4)

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EP (1) EP3665391B1 (fr)
PL (1) PL3665391T3 (fr)
TR (1) TR201711734A2 (fr)
WO (1) WO2019029905A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645165B (zh) * 2019-09-23 2021-05-25 广州万宝集团压缩机有限公司 缸头组件、压缩机和制冷装置
TR202016945A2 (tr) * 2020-10-23 2022-05-23 Arcelik As İyi̇leşti̇ri̇lmi̇ş montaj yöntemi̇ne ve bunu sağlayan sabi̇tleme vasitasina sahi̇p kompresör

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1184167B (it) 1985-03-21 1987-10-22 Eurodomestici Ind Riunite Perfezionamento nei motocompressori sigillati per circuiti frigoriferi
JPH11343974A (ja) * 1998-05-29 1999-12-14 Toyota Autom Loom Works Ltd 往復動型圧縮機
DE19915918C2 (de) * 1999-04-09 2001-05-31 Danfoss Compressors Gmbh Kältemittelkompressor und Verfahren zu seiner Montage
DE602005001324T2 (de) * 2004-03-26 2008-02-07 Arcelik Anonim Sirketi Verdichter mit saugschalldämpfer
BR112012031191A2 (pt) * 2010-06-09 2016-11-01 Arcelik As compressor hermético

Also Published As

Publication number Publication date
PL3665391T3 (pl) 2023-05-02
TR201711734A2 (tr) 2019-02-21
WO2019029905A1 (fr) 2019-02-14
EP3665391A1 (fr) 2020-06-17

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