WO2014086882A1 - Compresseur hermétique avec silencieux d'aspiration - Google Patents

Compresseur hermétique avec silencieux d'aspiration Download PDF

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Publication number
WO2014086882A1
WO2014086882A1 PCT/EP2013/075571 EP2013075571W WO2014086882A1 WO 2014086882 A1 WO2014086882 A1 WO 2014086882A1 EP 2013075571 W EP2013075571 W EP 2013075571W WO 2014086882 A1 WO2014086882 A1 WO 2014086882A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant
muffler
compressor
head
oil
Prior art date
Application number
PCT/EP2013/075571
Other languages
English (en)
Inventor
Caglar SAHIN
Kemal Sarioglu
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to BR112015012766A priority Critical patent/BR112015012766A2/pt
Priority to EP13820738.6A priority patent/EP2929188B1/fr
Priority to CN201380063642.XA priority patent/CN104919179B/zh
Publication of WO2014086882A1 publication Critical patent/WO2014086882A1/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
    • 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
    • F04B39/02—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 hermetic compressor used in refrigerators, comprising a suction muffler that decreases the refrigerant temperature and attenuates the noise originating from the refrigerant.
  • oil is placed into the compressor casing in order to decrease the abrasion of the movable mechanical components like the cylinder, piston, crankshaft, piston rod and the bearings wherein these components operate.
  • the high temperature refrigerant compressed in the cylinder volume, particularly heats the cylinder block and the cylinder head along the exhaust line.
  • the oil not only provides decrease in the mechanical losses but also the cooling of these components which cause excessive heating in the compressor.
  • oil, together with the refrigerant is transferred into the refrigeration cycle as a result of the refrigerant in the compressor mixing with the oil. Transfer of oil into the refrigeration cycle causes the amount of oil inside the compressor to decrease, furthermore decreases heat transfer by adhering to the surfaces of the heat exchangers situated in the refrigeration cycle and adversely affects the refrigeration performance.
  • the aim of the present invention is the realization of a compressor wherein the problem of oil transfer from the suction muffler to the refrigeration cycle is decreased.
  • the hermetic compressor used in cooling devices for example in refrigerators, realized in order to attain the aim of the present invention and explicated in the first claim and the respective claims thereof, comprises a suction muffler that provides decrease in the temperature of the refrigerant circulating in the refrigeration cycle and the attenuation of the noise originating from the refrigerant.
  • a lid is disposed on the body of the suction muffler and a muffler head that extends from the lid to the compressor cylinder head.
  • the bend portion at the furthermost end of the muffler head is disposed into the suction chamber of the muffler head, which is better known as the suction plenum.
  • an oil separator plate inside the muffler head that extends vertically from the refrigerant inlet orifice at its lower side towards the bend portion at its end and also an oil flow channel that remains between the oil separator plate and the side wall of the muffler head.
  • the oil separator plate and the oil flow channel provide the refrigerant circulating inside the suction muffler to be separated from the oil at the last portion wherefrom it leaves the suction muffler.
  • the refrigerant almost completely separated from the oil contained therein, is delivered to the cylinder and to the refrigeration cycle from the cylinder.
  • the oil separation plate is fixed to the muffler head by the known techniques like friction welding or adherence methods, or by being produced as a single piece in the plastic injection mold.
  • the compressor comprises a barrier disposed inside the suction muffler and extending between the refrigerant flow path and the oil flow channel by bending from the lower end of the separator plate towards under the muffler lid.
  • the barrier prevents entry of the refrigerant into the oil flow channel and provides the oil separated from the refrigerant to be delivered into the muffler body at a point farther from the refrigerant flow.
  • the protrusion provides increase in the surface area whereto the refrigerant impacts on the inner surface of the bend and increase in the amount of oil separated from the refrigerant.
  • the oil contained in the refrigerant circulating in the refrigeration cycle is effectively separated from the refrigerant and mixing of oil into the refrigeration cycle is prevented.
  • the efficiency of the compressor is increased and the level of oil inside the compressor casing used for lubrication is prevented from decreasing.
  • Heat transfer is improved by preventing oil from being transferred with the refrigerant to the heat exchangers like the condenser, evaporator situated in the refrigeration cycle.
  • Figure 1 – is the cross-sectional view of a hermetic compressor.
  • Figure 2 – is the perspective view of a suction muffler and a cylinder head.
  • Figure 3 – is the front view of a suction muffler.
  • Figure 4 – is the view of cross-section A – A in Figure 3.
  • Figure 5 – is the cross-sectional view of a muffler head.
  • Figure 6 — is the cross-sectional view of a muffler head in an embodiment of the present invention.
  • the circulation of the refrigerant used in the refrigeration cycle is provided by a reciprocating and hermetic compressor (1).
  • the compressor (1) comprises a casing (2), a cylinder (3) disposed inside the casing (2), that provides the suction and discharge of the refrigerant, a piston (4) operating inside the cylinder (3), a cylinder head (5) that provides the refrigerant sucked into and discharged from the cylinder (3) by the movement of the piston (4) to be directed, a suction chamber (6) and a discharge chamber (7) disposed inside the cylinder head (5), a suction muffler (8) produced from plastic material, providing decrease in the temperature of the refrigerant and attenuation of the noise originating from the refrigerant, one or more than one flow pipe (9) disposed inside the lower body of the suction muffler (8) and through which the refrigerant passes, a discharge hole (10) disposed at the lower side of the suction muffler (8) body and providing the transfer of the oil accumulated therein to the casing (2), a lid (11) mounted on the suction muffler (8), a muffler head (1
  • the compressor (1) of the present invention comprises a separator plate (16) disposed inside the muffler head (14) and extending vertically from the inlet opening (15) towards the bend (12), and an oil flow channel (17) that remains between the separator plate (16) and the side wall of the muffler head (14) and that provides the oil separated from the refrigerant at the bend (12) to be directed to the inlet opening (15) without mixing with the refrigerant moving upwards inside the muffler head (14) ( Figure 4, Figure 5, Figure 6).
  • the separator plate (16) is disposed into the muffler head (14), which is the portion from where the refrigerant, passing through the body of the suction muffler (8) and being sucked into the cylinder (3) by the piston (4), leaves the suction muffler (8) before passing into the stroke volume of the cylinder (3).
  • the separator plate (16) provides the oil, separated from the refrigerant in the bend (12) portion of the muffler head (14) that is seated into the suction chamber (6), to be directed from the oil flow channel (17) to the refrigerant inlet opening (15) without mixing with the refrigerant.
  • the oil that flows from the inlet opening (15) into the body of the suction muffler (8) is transferred to the casing (2) by means of the discharge hole (10).
  • the separator plate (16) and the oil flow channel (17) prevent the oil, carried by the refrigerant, from mixing with the refrigerant again after being separated from the refrigerant in the bend (12).
  • the refrigerant, being almost entirely separated from the oil contained therein, is delivered to the outlet opening (13) and from there to the refrigeration cycle via the cylinder (3) and the discharge chamber (7).
  • the compressor (1) comprises a curved inner surface (18) situated at the inner portion of the bend (12) of the muffler head (14) and extending from the upper side of the oil flow channel (17) towards the outlet opening (13), whereto the refrigerant impacts and the oil particles in the refrigerant hold on by separating from the refrigerant ( Figure 4, Figure 5, Figure 6).
  • the refrigerant that moves upwards inside the muffler head (14) impacts the curved inner surface (18) before reaching the outlet opening (13) and the oil particles contained therein are separated from the refrigerant by holding on to the inner surface (18).
  • the compressor (1) comprises a barrier (19) that is disposed inside the suction muffler (8), that extends between the upper outlet orifice (B) of the refrigerant flow pipe (9) and the oil flow channel (17) by bending from the lower end of the separator plate (16) to under the lid (11) and that prevents the refrigerant moving upwards in the refrigerant flow pipe (9) from entering the oil flow channel (17) and mixing with the oil flowing downwards from the oil flow channel (17) ( Figure 4, Figure 5, Figure 6).
  • the barrier (19) provides the oil flowing downwards from the oil flow channel (17) to be transferred into the suction muffler (8) body by being moved away from the refrigerant flow pipe (9) and prevents the oil separated from the refrigerant from being mixed with the refrigerant again.
  • the compressor (1) comprises a protrusion (20) situated near the outlet opening (13) at the inner surface (18) of the muffler head (14) bend (12), that extends towards the flow path of the refrigerant which flows inside the bend (12) and that provides increase in the amount of oil separated from by impacting of the refrigerant which moves inside the muffler head (14) ( Figure 6).
  • the separator plate (16) is fixed to the side walls of the muffler head (14) with the method of friction welding.
  • the separator plate (16) is fixed to the side walls of the muffler head (14) by adhesion.
  • the separator plate (16) is produced as a single piece with the muffler head (14) by injection molding method.
  • the oil carried in the refrigerant passing through the suction muffler (8) is effectively separated and transfer of oil to the refrigeration cycle, wherein the compressor (1) is used, is prevented.
  • the abrasion and overheating of the movable mechanical components inside the casing (2) are prevented under long term operating conditions by preserving the oil level in the compressor (1).
  • the refrigeration performance is improved by preventing transfer of oil by the refrigerant to the heat exchangers like the condenser, evaporator situated in the refrigeration cycle.

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

Abstract

La présente invention porte sur un compresseur (1), qui comprend un silencieux d'aspiration (8) qui produit une diminution de la température du réfrigérant utilisé dans le cycle de réfrigération dans des réfrigérateurs et une atténuation du bruit ayant pour origine le réfrigérant, et qui est produit en matière plastique, et dans lequel la quantité d'huile transférée au cycle de réfrigération est diminuée par séparation de l'huile mélangée dans le réfrigérant qui traverse le silencieux d'aspiration (8).
PCT/EP2013/075571 2012-12-05 2013-12-04 Compresseur hermétique avec silencieux d'aspiration WO2014086882A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112015012766A BR112015012766A2 (pt) 2012-12-05 2013-12-04 compressor hermético com silenciador de sucção
EP13820738.6A EP2929188B1 (fr) 2012-12-05 2013-12-04 Compresseur hermétique avec silencieux d'aspiration
CN201380063642.XA CN104919179B (zh) 2012-12-05 2013-12-04 具有吸引消声器的封闭式压缩机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201214186 2012-12-05
TRA2012/14186 2012-12-05

Publications (1)

Publication Number Publication Date
WO2014086882A1 true WO2014086882A1 (fr) 2014-06-12

Family

ID=49955282

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/075571 WO2014086882A1 (fr) 2012-12-05 2013-12-04 Compresseur hermétique avec silencieux d'aspiration

Country Status (4)

Country Link
EP (1) EP2929188B1 (fr)
BR (1) BR112015012766A2 (fr)
TR (1) TR201718912T3 (fr)
WO (1) WO2014086882A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017211705A1 (fr) * 2016-06-07 2017-12-14 Arcelik Anonim Sirketi Compresseur hermétique comprenant un silencieux d'aspiration partiellement élastique
WO2020057826A1 (fr) * 2018-09-17 2020-03-26 Arcelik Anonim Sirketi Compresseur comprenant un silencieux d'aspiration
CN111894832A (zh) * 2020-07-17 2020-11-06 珠海格力节能环保制冷技术研究中心有限公司 吸气消音器、压缩机、冰箱

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252035A (en) * 1991-12-28 1993-10-12 Goldstar Co., Ltd. Suction structure for electrically-driven hermetic compressor
US5988990A (en) 1997-02-24 1999-11-23 Samsung Electronics Co., Ltd. Apparatus for separating lubricating oil from refrigerant in a hermetic compressor
US20020134617A1 (en) * 2001-03-23 2002-09-26 Jens Erik Nissen Suction muffler
US20060045762A1 (en) 2004-09-01 2006-03-02 Samsung Gwangju Electronics Co., Ltd. Suction muffler for compressor
WO2009110677A2 (fr) * 2008-03-04 2009-09-11 Lg Electronics Inc. Silencieux pour compresseur
EP2241755A2 (fr) * 2009-04-10 2010-10-20 Panasonic Corporation Compresseur hermétique
EP2339178A2 (fr) * 2008-10-22 2011-06-29 LG Electronics Inc. Silencieux d'aspiration pour compresseur hermétique
WO2011147005A1 (fr) 2010-05-24 2011-12-01 Whirlpool S.A. Ensemble aspiration pour compresseur frigorifique
EP2397693A1 (fr) 2009-02-13 2011-12-21 Panasonic Corporation Compresseur étanche et dispositif de réfrigération

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252035A (en) * 1991-12-28 1993-10-12 Goldstar Co., Ltd. Suction structure for electrically-driven hermetic compressor
US5988990A (en) 1997-02-24 1999-11-23 Samsung Electronics Co., Ltd. Apparatus for separating lubricating oil from refrigerant in a hermetic compressor
US20020134617A1 (en) * 2001-03-23 2002-09-26 Jens Erik Nissen Suction muffler
US20060045762A1 (en) 2004-09-01 2006-03-02 Samsung Gwangju Electronics Co., Ltd. Suction muffler for compressor
WO2009110677A2 (fr) * 2008-03-04 2009-09-11 Lg Electronics Inc. Silencieux pour compresseur
EP2339178A2 (fr) * 2008-10-22 2011-06-29 LG Electronics Inc. Silencieux d'aspiration pour compresseur hermétique
EP2397693A1 (fr) 2009-02-13 2011-12-21 Panasonic Corporation Compresseur étanche et dispositif de réfrigération
EP2241755A2 (fr) * 2009-04-10 2010-10-20 Panasonic Corporation Compresseur hermétique
WO2011147005A1 (fr) 2010-05-24 2011-12-01 Whirlpool S.A. Ensemble aspiration pour compresseur frigorifique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017211705A1 (fr) * 2016-06-07 2017-12-14 Arcelik Anonim Sirketi Compresseur hermétique comprenant un silencieux d'aspiration partiellement élastique
WO2020057826A1 (fr) * 2018-09-17 2020-03-26 Arcelik Anonim Sirketi Compresseur comprenant un silencieux d'aspiration
CN111894832A (zh) * 2020-07-17 2020-11-06 珠海格力节能环保制冷技术研究中心有限公司 吸气消音器、压缩机、冰箱

Also Published As

Publication number Publication date
TR201718912T3 (tr) 2018-01-22
EP2929188B1 (fr) 2019-04-10
BR112015012766A2 (pt) 2017-07-11
CN104919179A (zh) 2015-09-16
EP2929188A1 (fr) 2015-10-14

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