EP3126674B1 - Chemisage interne thermiquement isolant pour l'utilisation dans un silencieux d'échappement d'un compresseur à va-et-vient hermétique - Google Patents

Chemisage interne thermiquement isolant pour l'utilisation dans un silencieux d'échappement d'un compresseur à va-et-vient hermétique Download PDF

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Publication number
EP3126674B1
EP3126674B1 EP14714989.2A EP14714989A EP3126674B1 EP 3126674 B1 EP3126674 B1 EP 3126674B1 EP 14714989 A EP14714989 A EP 14714989A EP 3126674 B1 EP3126674 B1 EP 3126674B1
Authority
EP
European Patent Office
Prior art keywords
reciprocating compressor
main body
hermetic reciprocating
exhaust
thermally insulative
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.)
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Application number
EP14714989.2A
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German (de)
English (en)
Other versions
EP3126674A1 (fr
Inventor
Veli Sait SEYMEN
Atilla Kaya
Bilgin Hacioglu
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 EP3126674A1 publication Critical patent/EP3126674A1/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
    • F04B39/0027—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
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block

Definitions

  • the present invention relates to a hermetic reciprocating compressor for use in a refrigeration appliance, in particular a domestic refrigerator.
  • the present invention more particularly relates to a technique for improving a thermodynamic efficiency of the hermetic reciprocating compressor.
  • the exhaust silencer is usually formed into the cylinder block.
  • the compression chamber and the exhaust silencer are typically connected via an exhaust refrigerant passage formed into the cylinder block.
  • CN1769694 (A ) discloses a hermetic reciprocating compressor.
  • the exhaust silencer is formed into the cylinder block.
  • a drawback of this configuration is that in the compression phase the thermal energy of the hot and pressurized refrigerant exhausted from the compression chamber is partly dissipated to the cylinder block as it is conveyed via the refrigerant passage into a cavity of the exhaust silencer. Thus, the temperature of the refrigerant inside the cavity decreases and the thermodynamic efficiency of the overall refrigeration cycle degrades.
  • a further drawback of this configuration is that with the commencement of the subsequent suction phase the heat dissipated to the cylinder block is partly transferred to the refrigerant being conveyed into compression chamber. Thus, a density of the refrigerant taken into the compression chamber decreases and a thermodynamic efficiency of the overall refrigeration cycle degrades.
  • An objective of the present invention is to overcome the aforementioned problems of the prior art and provide a technique which improves the thermodynamic efficiency of the hermetic reciprocating compressor.
  • thermodynamic efficiency is improved by utilizing a thermally insulative inner lining inside the exhaust silencer of the hermetic reciprocating compressor for reducing a heat transfer from the refrigerant inside the cavity of the exhaust silencer to the metal case enclosing the cavity.
  • the thermally insulative inner lining also has a function to damp the acoustic vibrations of the refrigerant.
  • the thermally insulative material of the inner lining has a coefficient of thermal conductivity which is lower than that of the cylinder block.
  • thermally insulative material is plastic.
  • the plastic is polyamide or one of its derivatives.
  • thermally insulative inner lining has a capsule-like shape which from-fittingly matches an inner surface of the exhaust silencer.
  • thermodynamic efficiency of the hermetic reciprocating compressor has been improved.
  • the thermally insulative inner lining (1) of the present invention is suitable for use inside an exhaust silencer (2) of a hermetic reciprocating compressor (3) ( Figs. 1 to 8 ).
  • the hermetic reciprocating compressor (3) comprises a cylinder block (4) which includes a compression chamber (5) for compressing a refrigerant and an exhaust silencer (2) which includes a cavity (6) formed into the cylinder block (4), an intake port (7) and an exhaust port (8) which respectively open into the cavity (6).
  • the compression chamber (5) and the intake port (7) are in fluid communication through an exhaust refrigerant passage (9) ( Figs. 1 to 3 ; Figs. 6 to 7 ).
  • the thermally insulative inner lining (1) of the present invention comprises a main body (10) made of a thermally insulative material.
  • the main body (10) comprises an outer surface (11) which form-fittingly matches an inner surface (12) of the cavity (6), a hollow portion (13) which is formed into the main body (10) to acoustically damp the exhaust refrigerant received through the exhaust refrigerant passage (9) and an inlet port (14) and an outlet port (15) which are formed into the main body (10) and open into the hollow portion (13).
  • the inlet port (14) and the outlet port (15) respectively face the intake port (7) and the exhaust port (8) ( Figs. 1 to 8 ).
  • the hermetic reciprocating compressor (3) of the present invention comprises the thermally insulative inner lining (1) ( Figs. 1 to 8 ).
  • the thermally insulative material of the inner lining (1) has a coefficient of thermal conductivity which is smaller than a coefficient of thermal conductivity of the cylinder block (4).
  • the cylinder block (4) is made from metal and the thermally insulative material is plastic.
  • the plastic is polyamide or one of its derivatives.
  • the outer surface (11) of the main body (10) form-fittingly matches an inward surface (16) of a lid (17) of the exhaust silencer (2) ( Figs. 3 to 5 ).
  • the main body (10) further includes two coaxially aligned through-holes (18) for inserting a fixing bolt (not shown) to fasten the lid (17) of the exhaust silencer (2) to the cylinder block (4) ( Fig. 3 ).
  • the cylinder has a threaded bore (19) which is coaxially aligned with the through-holes (18) ( Fig. 3 ).
  • the thermally insulative inner lining (1) is inserted into the cavity (6) of the exhaust silencer (2).
  • the lid (17) is placed to leak-tightly close the cavity (6).
  • the lid (17) and the cylinder block (4) are fastened together by utilizing a bolt (not shown).
  • the hollow portion (13) is hermetically enclosed through the main body (4) except for the inlet port (14), the outlet port (15) and the through holes (18) which open into the hollow portion (13) ( Figs. 4 and 5 ).
  • the main body (10) is capsule-shaped.
  • the present invention also provides a refrigeration appliance (not shown) which includes the hermetic reciprocating compressor (3) of the present invention.
  • the refrigeration appliance is provided as a domestic refrigerator (not shown).
  • the thermal energy of the hot pressurized refrigerant inside the exhaust silencer (2) is prevented from dissipating into the cylinder block (4).
  • a density of the refrigerant taken into the compression chamber (5) has been prevented from decreasing, and a thermodynamic efficiency of the hermetic reciprocating compressor (3) has been improved.

Landscapes

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

Claims (9)

  1. Un compresseur à piston hermétique (3) comprenant
    - un bloc-cylindres (4) qui comprend une chambre de compression (5) pour comprimer un réfrigérant et
    - un silencieux d'échappement (2) qui comprend une cavité (6) formée dans le bloc-cylindres (4), un orifice d'admission (7) et un orifice d'échappement (8) qui s'ouvrent respectivement dans la cavité (6), dans lequel la chambre de compression (5) et l'orifice d'admission (7) sont en communication fluide par un passage du réfrigérant d'échappement (9),
    est caractérisé par
    un revêtement intérieur thermiquement isolant (1) disposé à l'intérieur du silencieux d'échappement (2), le revêtement intérieur (1) comprenant un corps principal (10) fait d'un matériau thermiquement isolant, le corps principal (10) comprenant
    - une surface extérieure (11) qui s'ajuste à la forme d'une surface intérieure (12) de la cavité (6),
    - une partie creuse (13) qui est formée dans le corps principal (10) pour amortir acoustiquement le réfrigérant d'échappement reçu par le passage du réfrigérant d'échappement (9) et
    - un orifice d'entrée (14) et un orifice de sortie (15) qui sont formés dans le corps principal (10) et s'ouvrent en une partie creuse (13), dans lequel l'orifice d'entrée (14) et l'orifice de sortie (15) font respectivement face à l'orifice d'entrée (7) et à l'orifice d'échappement (8),
    dans laquelle la surface extérieure (11) du corps principal (10) s'ajuste également par la forme à une surface intérieure (16) d'un couvercle (17) du silencieux d'échappement (2),
    et dans lequel le corps principal (10) comprend en outre deux trous traversants (18) alignés coaxialement pour insérer un boulon de fixation pour fixer le couvercle (17) du silencieux d'échappement (2) au bloc cylindre (4).
  2. Le compresseur à piston hermétique selon la déclaration 1, est caractérisé en ce que le matériau thermiquement isolant présente un coefficient de conductivité thermique qui est inférieur à un coefficient de conductivité thermique du bloc-cylindres (4).
  3. Le compresseur à piston hermétique selon la déclaration 1 ou 2, est caractérisé en ce que le matériau d'isolation thermique est en matière plastique.
  4. Le compresseur à piston hermétique selon la déclaration 3, est caractérisé en ce que ladite matière plastique est du polyamide ou un de ses dérivés.
  5. Le compresseur à piston hermétique selon l'une quelconque des déclarations 1 à 4, est caractérisé en ce que la partie creuse (13) est fermée hermétiquement par le corps principal (4)
  6. Le compresseur à piston hermétique selon l'une quelconque des déclarations 1 à 5, est caractérisé en ce que le corps principal (10) est monolithique.
  7. Le compresseur à piston hermétique selon l'une quelconque des déclarations 1 à 6, est caractérisé en ce que le corps principal (10) est en forme de capsule.
  8. Le compresseur à piston hermétique selon l'une quelconque des déclarations 1 à 6, est caractérisé en ce que le corps principal (10) est de forme cylindrique.
  9. Un appareil de réfrigération, en particulier un réfrigérateur domestique, comprenant le compresseur à piston hermétique (3) selon l'une quelconque des déclarations 1 à 8.
EP14714989.2A 2014-03-31 2014-03-31 Chemisage interne thermiquement isolant pour l'utilisation dans un silencieux d'échappement d'un compresseur à va-et-vient hermétique Active EP3126674B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/056435 WO2015149833A1 (fr) 2014-03-31 2014-03-31 Chemisage interne thermiquement isolant pour l'utilisation dans un silencieux d'échappement d'un compresseur à va-et-vient hermétique

Publications (2)

Publication Number Publication Date
EP3126674A1 EP3126674A1 (fr) 2017-02-08
EP3126674B1 true EP3126674B1 (fr) 2019-08-07

Family

ID=50434189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14714989.2A Active EP3126674B1 (fr) 2014-03-31 2014-03-31 Chemisage interne thermiquement isolant pour l'utilisation dans un silencieux d'échappement d'un compresseur à va-et-vient hermétique

Country Status (4)

Country Link
EP (1) EP3126674B1 (fr)
CN (1) CN106460817B (fr)
BR (1) BR112016022036A2 (fr)
WO (1) WO2015149833A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR201606032A2 (tr) 2016-05-09 2017-11-21 Arcelik As Gürültü sevi̇yesi̇ azaltilan hermeti̇k kompresör
PL3775550T3 (pl) * 2018-04-04 2023-01-09 Arçelik Anonim Sirketi Sprężarka z ulepszoną wydajnością pracy
CN114508475A (zh) * 2022-02-14 2022-05-17 广州万宝集团压缩机有限公司 一种内排气结构、压缩机和调温设备

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
JPS52151409U (fr) * 1976-05-13 1977-11-16
US4401418B1 (en) * 1981-04-29 1998-01-06 White Consolidated Ind Inc Muffler system for refrigeration compressor
JPS59218323A (ja) * 1983-05-27 1984-12-08 Toshiba Corp 密閉形圧縮機の吸込マフラ
US5559310A (en) * 1995-04-26 1996-09-24 Ingersoll-Rand Company Muffler for air operated reciprocating pumps
DE10323527B4 (de) * 2003-05-24 2009-04-16 Danfoss Compressors Gmbh Kältemittelkompressor
KR100564439B1 (ko) * 2003-11-14 2006-03-29 엘지전자 주식회사 밀폐형압축기
CN100572807C (zh) * 2004-11-05 2009-12-23 乐金电子(天津)电器有限公司 密封式压缩机的排放消音器构造
CN101260875A (zh) * 2007-03-06 2008-09-10 Lg电子株式会社 用于防止在密封压缩机中过度加热工作流体的设备
BRPI0803457B1 (pt) * 2008-09-05 2020-11-10 Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda arranjo de sucção para compressor hermético de refrigeração
BR112012031191A2 (pt) * 2010-06-09 2016-11-01 Arcelik As compressor hermético
CN102251950A (zh) * 2011-07-07 2011-11-23 广州万宝集团压缩机有限公司 电冰箱压缩机排气消音结构
CN102297118B (zh) * 2011-09-30 2013-10-09 黄石东贝电器股份有限公司 分离式隔热排气消音装置及采用其的制冷压缩机

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Also Published As

Publication number Publication date
BR112016022036A2 (pt) 2018-07-10
WO2015149833A1 (fr) 2015-10-08
CN106460817B (zh) 2019-02-01
EP3126674A1 (fr) 2017-02-08
CN106460817A (zh) 2017-02-22

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