WO2014053357A1 - Compresseur hermétique comprenant un silencieux d'échappement - Google Patents

Compresseur hermétique comprenant un silencieux d'échappement Download PDF

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Publication number
WO2014053357A1
WO2014053357A1 PCT/EP2013/069815 EP2013069815W WO2014053357A1 WO 2014053357 A1 WO2014053357 A1 WO 2014053357A1 EP 2013069815 W EP2013069815 W EP 2013069815W WO 2014053357 A1 WO2014053357 A1 WO 2014053357A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust muffler
cover
hermetic compressor
situated
disposed
Prior art date
Application number
PCT/EP2013/069815
Other languages
English (en)
Inventor
Ismail YESILAYDIN
Muhterem Ertoy
Sati Sevtap SENER
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 EP13770869.9A priority Critical patent/EP2917577A1/fr
Priority to CN201380052188.8A priority patent/CN104797819A/zh
Publication of WO2014053357A1 publication Critical patent/WO2014053357A1/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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly

Definitions

  • the present invention relates to a compressor comprising an exhaust muffler.
  • the pressure of the refrigerant fluid sucked from the suction muffler is increased as a result of the reciprocating motion of the piston inside the cylinder and the high pressure fluid is delivered to the exhaust muffler to be sent to the refrigeration cycle from there.
  • the pressure of the refrigerant fluid delivered to the exhaust muffler is 5 to 20 times more than the pressure of the fluid in the suction muffler depending on the working conditions of the cooling device.
  • the exhaust mufflers are situated on the body which is disposed inside the casing.
  • a cover is placed over the exhaust muffler that closes the top surface thereof.
  • the use of a screw fitted to a hole arranged on the base of the exhaust muffler by passing through an opening located on the cover is known in the technique.
  • the screw prevents the flow continuity of the refrigerant inside the exhaust muffler.
  • the efficiency of the compressor decreases.
  • a compressor that comprises a cover placed over the exhaust muffler and a screw that passes through an opening on the cover to be fixed to a hole located on the base of the exhaust muffler during the mounting of the cover on the exhaust muffler.
  • the aim of the present invention is the realization of a hermetic compressor having an exhaust muffler wherein the flow of the refrigerant contained therein is improved.
  • the hermetic compressor realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a casing, a body disposed inside the casing, carrying and/or bearing the basic mechanical elements like the cylinder, piston, crankshaft and piston rod, at least one exhaust muffler having a hollow, closed volume, providing the attenuation of the noise generated during pumping of the refrigerant fluid, at least one cover covering the upper surface of the exhaust muffler and at least one partition wherein the refrigerant circulates, remaining between the cover and the exhaust muffler when the cover is placed on the exhaust muffler.
  • the hermetic compressor of the present invention comprises at least one locking mechanism situated outside the partition wherein the refrigerant circulates and that provides the cover to be mounted to the exhaust muffler.
  • the locking mechanism By means of the locking mechanism, the cover is provided to be tightly attached to the exhaust muffler without using an additional element like a screw that passes through the inner volume of the exhaust muffler.
  • the volume of the partition is utilized effectively. Flow continuity is provided during the passage of the refrigerant through the partition. Consequently, pressure is prevented from decreasing and efficiency of the compressor is improved.
  • the hermetic compressor comprises the exhaust muffler having a base situated on the body and side walls surrounding the base, and at least one locking mechanism having at least one first element that is situated on the surface of the exhaust muffler contacting the cover when the cover is placed on the exhaust muffler and at least one second element situated on the cover, which provides the cover to be fixed to the exhaust muffler by moving forward on the first element without narrowing down the partition volume when the cover is placed on the exhaust muffler.
  • the first element moves forward on the second element.
  • the first element and the second element are locked by being inserted into one another.
  • the locking mechanism comprises a second element in gear form and a first element in gear rack form whereon the second element moves forward and is locked thereto.
  • the cover is placed on the exhaust muffler by being rotated by the producer.
  • the second element in gear form moves by rotating on the first element in gear rack form.
  • the cover is provided to be entirely fixed to the exhaust muffler when the forward motion of the second element on the first element ends.
  • the first element is situated almost on the entire side wall surface facing the cover when the cover is placed on the exhaust muffler.
  • the second element and the first element are provided to be fixed by being inserted into one another along the entire surface of the cover contacting the exhaust muffler.
  • the hermetic compressor comprises the hollow cover which is shaped as a half cylinder, having a top wall extending parallel to the base of the exhaust muffler and a lateral wall extending from the top wall towards the base and further comprises the second element that is situated almost on the entire surface of the lateral wall facing the side wall when the cover is placed on the exhaust muffler.
  • the cover and the exhaust muffler are inserted into one another when the cover is placed on the exhaust muffler, and the cover and the exhaust muffler inserted into one another form the hollow cylinder shape.
  • the sideways cross-section of the cover is smaller than the sideways cross-section of the exhaust muffler.
  • the side walls of the exhaust muffler surround the lateral walls of the cover all around.
  • the locking means comprises the second element situated on the surface of the lateral wall facing outside of the exhaust muffler and the first element disposed on the surface of the side wall facing inside of the exhaust muffler.
  • the second element moves forward on the first element and provides the cover disposed inside the exhaust muffler to be tightly attached to the exhaust muffler.
  • the sideways cross-section of the cover is greater than the sideways cross-section of the exhaust muffler.
  • the lateral walls of the cover surround the side walls of the exhaust muffler all around.
  • the locking means comprises the second element situated on the surface of the lateral wall facing inside of the exhaust muffler and the first element disposed on the surface of the side wall facing outside of the exhaust muffler.
  • the second element moves forward on the first element and provides the cover to be tightly attached to the exhaust muffler.
  • the hermetic compressor comprises at least one sealing element situated between the cover and the exhaust muffler.
  • a gasket, etc is used as the sealing element.
  • the sealing element can be integrated with the cover. Thus, leakage of refrigerant between the cover and the exhaust muffler is prevented.
  • the interior volume of the exhaust muffler is utilized effectively and the pressure decrease occurring inside the exhaust muffler is prevented. Consequently, the efficiency of the hermetic compressor is increased. Furthermore, the feature of the exhaust muffler to attenuate noises at certain frequencies is enhanced.
  • Figure 1 – is the cross-sectional view of a hermetic compressor.
  • Figure 2 — is the top view of a body.
  • Figure 3 - is the perspective view of the exhaust muffler and some portion of the body related to an embodiment of the present invention.
  • Figure 4 – is the view of detail A in Figure 3.
  • Figure 5 - is the top view of the exhaust muffler and some portion of the body related to an embodiment of the present invention.
  • Figure 6 — is the view of detail B in Figure 5.
  • the circulation of the refrigerant fluid is provided by a hermetic compressor (1).
  • the hermetic compressor (1) comprises a casing (2) carrying the components therein, a body (3) disposed inside the casing (2),carrying and/or bearing the basic mechanical components like the cylinder, piston, crankshaft, and the piston rod, at least one exhaust muffler (4) disposed inside the casing (2), having a hollow, closed volume, providing the attenuation of the noise generated during pumping of the refrigerant fluid, at least one cover (5) covering the upper surface of the exhaust muffler (4) and at least one partition (6) wherein the refrigerant circulates, that remains between the cover (5) and the exhaust muffler (4) when the cover (5) is placed on the exhaust muffler (4) ( Figure 1).
  • the hermetic compressor (1) of the present invention comprises at least one locking mechanism (7) situated outside the partition (6) and which provides the cover (5) to be fixed to the exhaust muffler (4).
  • the cover (5) is placed on the exhaust muffler (4) by being rotated. Meanwhile, the cover (5) is provided to be fixed to the exhaust muffler (4) by means of the locking mechanism (7).
  • the cover (5) is placed on the exhaust muffler (4), the volume remaining between the cover (5) and the exhaust muffler (4) forms the partition (6).
  • the refrigerant circulates inside the partition (6) that is surrounded by the cover (5) and the exhaust muffler (4). An additional screw, etc. is not used during placement of the cover (5) on the exhaust muffler (4).
  • the hermetic compressor (1) comprises the exhaust muffler (4) having a base (8) situated on the body (3) and side walls (9) surrounding the base (8) and a locking mechanism (7) having at least one first element (10) disposed on the side wall (9), at least one second element (11) disposed on the cover (5) so as to be opposite the first element (10) when the cover (5) is placed on the exhaust muffler (4), providing the cover (5) to be fixed to the exhaust muffler (4) upon locking of the first element (10) and the second element (11) to one another.
  • the locking mechanism (7) is situated between the cover (5) and the exhaust muffler (4).
  • the second element (11) is situated on the cover (5) so as to be inserted into one another with the first element (10).
  • the second element (11) and the first element (10) come opposite to one another while the cover (5) is fixed on the exhaust muffler (4) and are fixed by being inserted into one another.
  • the cover (5) is provided to be fixed tightly to the exhaust muffler (4) by the first element (10) and the second element (11) being inserted into one another.
  • the exhaust muffler (4) and the cover (5) are locked through their side surfaces by means of the first element (10) and the second element (11).
  • no additional screw, etc. is situated inside the partition (6) wherein the refrigerant circulates.
  • the locking mechanism (7) comprises a second element (11) in gear form and a first element (10) in gear rack form.
  • the cover (5) is placed on the body (3) by being rotated. While the cover (5) is being rotated, the second element (11) rotating around its axis, also starts to rotate on the first element (10). The lengths of the first element (10) and the second element (11) are almost equal.
  • the cover (5) is entirely fixed to the exhaust muffler (4), the second element (11) and the first element (10) are interlocked to one another ( Figure 3, Figure 4).
  • the first element (10) surrounds the side wall (9).
  • the second element (11) and the first element (10) being inserted into one another, locking is provided along the side wall (9).
  • the cover (5) is provided to be tightly attached to the exhaust muffler (4) and a gap remaining between the cover (5) and the exhaust muffler (4) is prevented.
  • the hermetic compressor (1) comprises the cover (5) having a top wall (12) that extends parallel to the base (8) and a lateral wall (13) perpendicular to the top wall (12), extending towards the base (8) and further comprises the second element (11) that surrounds the lateral wall (13).
  • the cover (5) When the cover (5) is placed on the exhaust muffler (4), the side walls (9) and the lateral walls (13) are situated one inside the other.
  • the first element (10) and the second element (11) located on these surfaces of the cover (5) and the exhaust muffler (4) contacting one another, are interlocked to each other ( Figure 3, Figure 4).
  • the diameter of the cover (5) is smaller than the diameter of the exhaust muffler (4). While the cover (5) is being placed on the exhaust muffler (4), the cover (5) approaches towards the base (8) of the exhaust muffler (4) by rotating. Meanwhile, the second element (11) moves forward on the first element (10). When the second element (11) completes the forward motion on the first element (10), almost the entire lateral wall (13) remains inside the exhaust muffler (4) and the side walls (9) surround the lateral walls (13) all around ( Figure 3).
  • the locking mechanism (7) comprises the second element (11) situated on the surface of the lateral wall (13) facing outside of the exhaust muffler (4) and the first element (10) disposed on the surface of the side wall (9) facing inside of the exhaust muffler (4). While the cover (5) is fixed on the exhaust muffler (4), the second element (11) moves forward on the first element (10) by rotating and starts being inserted into one another with the first element (10). The cover (5) is provided to be fixed to the exhaust muffler (4) as the first element (10) and the second element (11), situated on opposite surfaces of the side walls (9) and the lateral walls (13), become interlocked to one another.
  • the diameter of the cover (5) is greater than the diameter of the exhaust muffler (4).
  • the side walls (9) of the cover (5) remain almost entirely inside the exhaust muffler (4).
  • the forward motion of the second element (11) on the first element (10) is completed, almost the entire side walls (9) are surrounded by the lateral walls (13).
  • leakage of refrigerant from inside the exhaust muffler (4) to the outside is prevented ( Figure 5, Figure 6).
  • the locking mechanism (7) comprises the second element (11) situated on the surface of the lateral wall (13) facing inside of the exhaust muffler (4) and the first element (10) disposed on the surface of the side wall (9) facing outside of the exhaust muffler (4).
  • the cover (5) is mounted on the exhaust muffler (4) by being rotated. Meanwhile, the cover (5) starts to surround the side walls (9) of the exhaust muffler (4). While the cover (5) moves forward in the direction of the base (8) of the exhaust muffler (4), the second element (11) moves around the first element (10) by rotating. When the forward motion of the second element (11) on the first element (10) is completed, the cover (5) surrounds the exhaust muffler (4) all around and is fixed to the exhaust muffler (4) tightly.
  • the hermetic compressor (1) comprises at least one sealing element (14) disposed on at least one of the surfaces of the cover (5) and the exhaust muffler (4) contacting one another.
  • the cover (5) and the exhaust muffler (4) contacting one another.
  • the cover (5) is provided to be fixed to the exhaust muffler (4), without using an additional screw, etc., by means of the locking mechanism (7). Consequently, the refrigerant is prevented from encountering any kind of obstruction during its flow and flow continuity is provided in the interior volume of the exhaust muffler (4). Not only the efficiency of the hermetic compressor (1) is increased but also the losses originating from refrigerant flow are improved.

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

Abstract

La présente invention concerne un compresseur hermétique (1) à efficacité améliorée, et qui comprend un carter (2), un corps (3) disposé à l'intérieur du carter (2), qui porte et/ou supporte les éléments mécaniques de base tels que le cylindre, le piston, le vilebrequin et la tige de piston, et au moins un silencieux d'échappement (4) disposé à l'intérieur du carter (2), qui comporte un volume fermé creux, permettant d'atténuer le bruit généré au cours du pompage du fluide frigorigène.
PCT/EP2013/069815 2012-10-05 2013-09-24 Compresseur hermétique comprenant un silencieux d'échappement WO2014053357A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13770869.9A EP2917577A1 (fr) 2012-10-05 2013-09-24 Compresseur hermétique comprenant un silencieux d'échappement
CN201380052188.8A CN104797819A (zh) 2012-10-05 2013-09-24 包括排气消声器的封闭式压缩机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201211426 2012-10-05
TRA2012/11426 2012-10-05

Publications (1)

Publication Number Publication Date
WO2014053357A1 true WO2014053357A1 (fr) 2014-04-10

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ID=49274615

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/069815 WO2014053357A1 (fr) 2012-10-05 2013-09-24 Compresseur hermétique comprenant un silencieux d'échappement

Country Status (3)

Country Link
EP (1) EP2917577A1 (fr)
CN (1) CN104797819A (fr)
WO (1) WO2014053357A1 (fr)

Families Citing this family (1)

* 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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256229A (en) * 1991-05-28 1992-12-02 Brasil Compressores Sa Suction muffler for a hermetic compressor.
KR20010064987A (ko) 1999-12-20 2001-07-11 이충전 밀폐형 왕복동식 압축기용 토출머플러의 차단판
US20050106038A1 (en) * 2003-11-14 2005-05-19 Lg Electronics Inc. Compressor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0594431B1 (fr) * 1992-10-23 1998-01-07 Matsushita Refrigeration Company Compresseur de réfrigérant et système de réfrigération avec ce compresseur
KR200234719Y1 (ko) * 1998-12-31 2002-02-28 구자홍 밀폐형압축기의토출소음저감장치
US6176688B1 (en) * 1999-10-12 2001-01-23 Tecumseh Products Company Discharge muffler arrangement
EP1392974B1 (fr) * 2001-06-08 2015-08-05 Whirlpool S.A. Silencieux d'aspiration pour compresseur hermetique alternatif
KR20080000996A (ko) * 2006-06-28 2008-01-03 삼성광주전자 주식회사 밀폐형 압축기
CN202132204U (zh) * 2011-06-09 2012-02-01 杭州斯波兰冷暖设备有限公司 低噪音压缩机吸排气装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2256229A (en) * 1991-05-28 1992-12-02 Brasil Compressores Sa Suction muffler for a hermetic compressor.
KR20010064987A (ko) 1999-12-20 2001-07-11 이충전 밀폐형 왕복동식 압축기용 토출머플러의 차단판
US20050106038A1 (en) * 2003-11-14 2005-05-19 Lg Electronics Inc. Compressor

Also Published As

Publication number Publication date
EP2917577A1 (fr) 2015-09-16
CN104797819A (zh) 2015-07-22

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