EP1910677B1 - Kompressor - Google Patents

Kompressor Download PDF

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Publication number
EP1910677B1
EP1910677B1 EP06780311A EP06780311A EP1910677B1 EP 1910677 B1 EP1910677 B1 EP 1910677B1 EP 06780311 A EP06780311 A EP 06780311A EP 06780311 A EP06780311 A EP 06780311A EP 1910677 B1 EP1910677 B1 EP 1910677B1
Authority
EP
European Patent Office
Prior art keywords
damper
compressor
suction pipe
suction
inlet pipe
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.)
Not-in-force
Application number
EP06780311A
Other languages
English (en)
French (fr)
Other versions
EP1910677A1 (de
Inventor
Davut Ayhan Serabatir
Emre Oguz
Erkan Tarakci
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
Original Assignee
Arcelik AS
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 AS filed Critical Arcelik AS
Priority to SI200630586T priority Critical patent/SI1910677T1/sl
Publication of EP1910677A1 publication Critical patent/EP1910677A1/de
Application granted granted Critical
Publication of EP1910677B1 publication Critical patent/EP1910677B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F04B39/0044—Pulsation and noise damping means with vibration damping supports
    • 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
    • F04B39/0072—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
    • F04B39/10—Adaptations or arrangements of distribution members
    • 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 utilized in cooling devices wherein the refrigerant fluid is delivered to the suction muffler by means of a connection mechanism.
  • a suction muffler made of plastic material is used in attenuating the noise resulting from the refrigerant fluid and the refrigerant vapor with decreased temperature, and pressure received from the evaporator is delivered to the suction muffler or the suction volume on the cylinder head by means of the connection ducts.
  • the refrigerant fluid delivered from the evaporator since the refrigerant fluid delivered from the evaporator is not mixed with the hot gases within the compressor casing, it reaches the cylinder unheated, however, pressure losses increase as it flows through the connection ducts and the compressor is strained at the starts-up.
  • connection ducts are supported by additional connection parts to be able to function under vibrational and high temperature conditions for long periods of time; however, these additional parts make the assembly of the compressor more difficult, sufficient performance cannot be achieved due to the small size of the casing and other geometric limitations.
  • Bellows-like connection parts are utilized for attenuating the vibrational motion of the movable components and for providing a certain flexibility between the compressor inlet and the suction muffler, however the desired outcome for long term functioning and durability cannot be achieved.
  • connection ducts having a bellows-like structure provide the desired flexibility and leak-proofing, after some period of time they tend to become deformed under the working conditions and are torn or punctured becoming unable to function.
  • o-rings are assembled between the connection ducts that move relative to each other to provide flexibility and leak-proofing, however, the o-rings are insufficient in attenuating the vibrations in this type of connections and are worn away in the course of time due to friction.
  • a direct suction system is explicated which is formed of a flange arranged with a certain angle to the suction connector at the inlet of the suction muffler, a telescopic tube having a leading end being in full contact with this flange and a helical spring for restraining the telescopic tube.
  • the pressure inside the housing is balanced by means of the gap left in between the compressor suction channel and the telescope tube fitted into the compressor channel.
  • a direct suction system which is formed by a coupling cap that connects a suction muffler to a compressor suction pipe the one at the top being inserted into the muffler having an elastic member to hold it in place and the bottom one having a limiting surface for firmly setting the coupling cap on the suction muffler.
  • a helical spring arranged between the coupling cap and the compressor suction pipe provides for direct suction and pressure equalization, and attenuates the motor vibrations.
  • the aim of the present invention according to claim 1 is the realization of a compressor utilized in the cooling devices comprising a connection mechanism that provides to deliver the refrigerant fluid to the suction muffler and prevents the transmittance of the motor vibrations to the casing.
  • the compressor inlet pipe extending into the casing from the outside which provides the entrance of the refrigerant fluid returning from the refrigerant cycle is connected to the suction pipe that is connected to the suction muffler or the cylinder head by means of a connection mechanism and the vibration of the suction pipe resulting from the operation of the parts such as the motor, piston, cylinder etc. is attenuated within this connection mechanism.
  • the connection mechanism allows some amount of the refrigerant fluid to enter into the casing providing the balancing of the pressure within the casing.
  • connection mechanism comprises a flexible, disc shaped attenuating element and the vibrations in both the radial and axial directions are attenuated by means of the spring section disposed within the shell structure of the attenuating element.
  • connection configuration of the attenuating element to the compressor inlet pipe and the suction pipe prevents the low amplitude vibrations to be transmitted to the casing and the noise level of the compressor is reduced.
  • Figure 1 - is the sectional view of a compressor.
  • Figure 2 - is the sectional view of a suction pipe.
  • Figure 3 - is the sectional view of a compressor inlet pipe.
  • Figure 4 - is the perspective view of a damper.
  • Figure 5 - is the A-A sectional view of a damper.
  • Figure 6 - is the perspective view of a compressor inlet pipe.
  • Figure 7 - is the perspective view of a compressor inlet pipe, a suction pipe and a connection mechanism.
  • Figure 8 - is the schematic view of a connection mechanism.
  • Figure 9 - is the schematic view of detail D of a connection mechanism.
  • the compressor (1) comprises a casing (2) that guards the movable components within, a cylinder (3) providing the suction and pumping of the circulation fluid, a cylinder head (4) situated on the cylinder (3), directing the sucked and pumped circulation fluid, a suction muffler (5) that attenuates the noise resulting from the circulation fluid, a compressor inlet pipe (6) that extends from outside the casing (2) to the interior providing the entrance of the circulation fluid delivered from the evaporator, a suction pipe (7) allowing the entrance of the circulation fluid to the suction muffler (5) or directly to the cylinder head (4) and a connection mechanism (8) that connects the compressor inlet pipe (6) with the suction pipe (7), attenuating the vibrations of the movable components of the compressor (1) in the radial and axial directions, and providing the balancing of pressure within the interior of the casing (2) by allowing the passage of the refrigerant fluid into the casing (2).
  • the connection mechanism (8) comprises a damper (10) of elastic material having a disc shaped structure, with a hole in the middle allowing it to be attached to the compressor inlet pipe (6), situated between the suction pipe (7) and the compressor inlet pipe (6) that move relative to one another during the operation of the compressor (1), fitted on the exterior surface of the compressor inlet pipe (6) and surrounded by the inner surface of the suction pipe (7), attenuating the radial and axial vibrations of the suction pipe (7) that move together with the movable components such as the motor, piston etc.
  • the damper (10) comprises a spring section (11) formed of a U or V shaped circular protrusion having a diameter smaller than its exterior diameter and larger than that of the hole (9) positioned on one surface of its shell and a U or V shaped circular recess aligned with the protrusion, on the rear surface of its shell.
  • the spring section (11) enables the damper (10) to stretch more in the radial and axial directions, increasing its capacity in attenuating particularly the high amplitude vibrations.
  • the connection mechanism (8) comprises an interior housing channel (12), situated on the compressor suction pipe (7), shaped as a ring, surrounding the exterior surface of the compressor inlet pipe (6), providing the damper (10) to be housed by clasping the hole (9) from its inner walls, and more than one ring shaped retainers (13) that bound the inner housing channel (12) from the sides and contacts the damper (10).
  • connection mechanism (8) furthermore comprises a ring shaped exterior housing channel (14) positioned on the compressor inlet pipe (6), having a ring shape, said interior housing channel (12) surrounding the inner surface of the suction pipe (7), with a larger diameter than the outer diameter of the damper (10) and having a gap (B) between the outer side of the damper (10), allowing the passage of the circulation fluid through this gap (B) and allowing the suction pipe (7) to move freely within a certain distance without stretching the damper (10), preventing the transmission of low amplitude vibrations to the casing (2) and providing to reduce the noise level and more than one ring shaped retainers (113) that bound the exterior housing channel (14) from the sides, and provides to stretch the suction pipe (7) in the axial direction by bearing on the damper (10) during its high amplitude vibrations.
  • the retainers (13, 113) can be produced separately or as single piece with the compressor inlet pipe (6) and/or the suction pipe (7).
  • the interior and exterior housing channels (12, 14) are formed by way of the retainers (13,113) in a simple way, housing the damper (10) by clasping from the hole (9) and housing from the outer side with a gap (B).
  • connection mechanism (8) While the connection mechanism (8) is being assembled, the damper (10) is fitted on the interior housing channel (12) that is between the retainers (13) on the compressor inlet pipe (6) such that the walls of the hole (9) firmly clasps the interior housing channel (12) and then the outer side of the damper (10) is positioned between the retainers (13) on the suction pipe (7).
  • the end of the suction pipe (7) extending to the connection mechanism (8) is made up of two separable top and bottom parts ( Figure 7 ).
  • the damper (10) is assembled on the exterior housing channel (14) that is on the bottom part of the suction pipe (7), then the top part of the suction pipe (7) is fitted on the bottom part, completing the assembly of the connection mechanism (8).
  • a structure is formed wherein the walls of the hole (9) of the damper (10) are clasped by the interior housing channel (12) and there is a gap (B) between the outer side of the damper (10) and the exterior housing channel (14).
  • the damper (10) attenuates the vibrations of the suction pipe (7) in the axial direction by means of its disc shaped shell and the interior and exterior housing channels (12, 14) that house firmly from the interior and with a gap (B) from the outside, and the spring section (11) increases the attenuating capacity in the axial direction, also providing the attenuation of vibrational movements in the radial direction.
  • the gap (B) between the exterior housing channel (14) of the damper (10) allows some amount of the circulation fluid to pass into the casing (2) to provide the balancing of pressure and the easy start-up of the compressor (1).
  • the gap (B) also provides the suction pipe (7) to move freely within a certain distance in low amplitude vibrations without stretching the damper (10) and the noise level is reduced by preventing the transmittance of the low amplitude vibrations to the casing (2).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Claims (4)

  1. Kompressor (1), umfassend ein Gehäuse (2), das die beweglichen Bauteile im Inneren schützt, einen Ansaugdämpfer (5), der das Geräusch dämpft, das vom Zirkulationsfluid verursacht wird, ein Kompressoreinlassrohr (6), das sich von außerhalb des Gehäuses (2) nach innen erstreckt und das Eintreten des Zirkulationsfluids vorsieht, und ein Ansaugrohr (7), das das Eintreten des Zirkulationsfluids in den Ansaugdämpfer (5) vorsieht, und wobei ein Verbindungsmechanismus (8) einen Dämpfer (10) aufweist, der
    - zwischen dem Ansaugrohr (7) und dem Kompressoreinlassrohr (6) angeordnet ist, die sich während des Betriebs relativ zueinander bewegen,
    - die Vibrationen des Ansaugrohres (7) in radialer und axialer Richtung abdämpft,
    dadurch gekennzeichnet, dass der genannte Dämpfer (10)
    - an der Außenfläche des Kompressoreinlassrohres (6) angebracht ist,
    - von der Innenfläche des Ansaugrohres (7) umgeben ist,
    - eine Öffnung (9) in der Mitte aufweist, mittels der er auf das Kompressoreinlassrohr (6) gesetzt werden kann,
    - aus einem elastischen Material von scheibenförmiger Struktur hergestellt ist,
    - einen Federabschnitt (11) aufweist, der an einer der Fläche des Dämpfers (10) angeordnet ist, und aus einem U- oder V-förmigen Kreisvorsprung ausgebildet ist, der einen Durchmesser aufweist, der kleiner ist als der Außendurchmesser des genannten Federabschnitts (11) und größer als derjenige der Öffnung (9), und eine U- oder V-förmige Kreisvertiefung, die mit dem Vorsprung an der Rückfläche des genannten Federabschnitts (11) übereinstimmt.
  2. Kompressor (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Verbindungsmechanismus (8) einen Innengehäusekanal (12) umfasst, der am Kompressoransaugrohr (7) angeordnet ist, und der vorsieht, den Dämpfer (10) vom Inneren fest aufzunehmen, und einen Außengehäusekanal (14), der am Kompressoreinlassrohr (6) angeordnet ist, und der vorsieht, den Dämpfer (10) von außen mit einem Spalt (B) aufzunehmen.
  3. Kompressor (1) nach Anspruch 2, dadurch gekennzeichnet, dass der Verbindungsmechanismus (8) einen ringförmigen Außengehäusekanal (14) umfasst, der die Innenfläche des Ansaugrohres (7) umgibt, und dessen Durchmesser größer ist als der Außendurchmesser des Dämpfers (10), und der zwischen dem Dämpfer (10) und sich selbst den Spalt (B) aufweist, wodurch das Zirkulationsfluid durch diesen Spalt (B) treten kann, und wodurch sich das Ansaugrohr (7) innerhalb einer bestimmten Strecke frei bewegen kann, ohne den Dämpfer (10) zu strecken, wodurch die Übertragung von Vibrationen geringer Amplitude auf das Gehäuse (2) verhindert wird, und mehr als eine ringförmige Halterung (113), die den Außengehäusekanal (14) von den Seiten begrenzt, und die vorsieht, das Ansaugrohr (7) in axialer Richtung zu strecken, indem sie auf dem Dämpfer (10) aufliegen, während dieser vibriert.
  4. Kompressor (1) nach Anspruch 3, dadurch gekennzeichnet, dass der Verbindungsmechanismus (8) den Innengehäusekanal (12) umfasst, der ringförmig ausgebildet ist, und der die Außenfläche des Kompressoreinlassrohres (6) umgibt, und vorsieht, dass der Dämpfer aufgenommen wird, indem die Öffnung (9) von seinen Innenwänden umklammert wird, und mehr als eine ringförmige Halterung (13), die den Innengehäusekanal (12) von den Seiten begrenzt und in Kontakt mit dem Dämpfer (10) steht.
EP06780311A 2005-08-04 2006-08-03 Kompressor Not-in-force EP1910677B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200630586T SI1910677T1 (sl) 2005-08-04 2006-08-03 Kompresor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200503119 2005-08-04
PCT/IB2006/052687 WO2007015222A1 (en) 2005-08-04 2006-08-03 A compressor

Publications (2)

Publication Number Publication Date
EP1910677A1 EP1910677A1 (de) 2008-04-16
EP1910677B1 true EP1910677B1 (de) 2010-01-20

Family

ID=37527028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06780311A Not-in-force EP1910677B1 (de) 2005-08-04 2006-08-03 Kompressor

Country Status (9)

Country Link
EP (1) EP1910677B1 (de)
KR (1) KR100932254B1 (de)
CN (1) CN101238293B (de)
AT (1) ATE455960T1 (de)
BR (1) BRPI0611050A2 (de)
DE (1) DE602006011903D1 (de)
ES (1) ES2339053T3 (de)
SI (1) SI1910677T1 (de)
WO (1) WO2007015222A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101386477B1 (ko) * 2008-01-10 2014-04-18 엘지전자 주식회사 밀폐형 압축기의 소음 저감 장치
KR101459163B1 (ko) * 2009-01-21 2014-11-07 엘지전자 주식회사 밀폐형 압축기
AT15190U1 (de) 2015-12-21 2017-02-15 Secop Gmbh Gekapselter kältemittelverdichter
BR102019022089A2 (pt) 2019-10-21 2021-05-04 Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. sistema de conexão aplicado a compressor hermético
BR102019022087A2 (pt) * 2019-10-21 2021-05-04 Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. sistema de conexão aplicado a compressor hermético
CN113513814A (zh) * 2021-04-09 2021-10-19 珠海格力电器股份有限公司 压缩机运行的控制方法和装置、空调设备和存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1179810B (it) * 1984-10-31 1987-09-16 Aspera Spa Gruppo motocompressore ermetico per circuiti frigoriferi
IT1184167B (it) 1985-03-21 1987-10-22 Eurodomestici Ind Riunite Perfezionamento nei motocompressori sigillati per circuiti frigoriferi
KR940003845Y1 (ko) * 1991-12-28 1994-06-15 주식회사 금성사 밀폐형 전동압축기
JPH10196572A (ja) * 1997-01-07 1998-07-31 Matsushita Electric Ind Co Ltd 密閉型圧縮機
JP2000234588A (ja) 1999-02-16 2000-08-29 Matsushita Refrig Co Ltd 密閉型電動圧縮機
JP2000337261A (ja) * 1999-05-26 2000-12-05 Funai Electric Co Ltd 圧縮機
JP2005016458A (ja) * 2003-06-27 2005-01-20 Matsushita Electric Ind Co Ltd 冷媒圧縮機

Also Published As

Publication number Publication date
ES2339053T3 (es) 2010-05-14
CN101238293B (zh) 2013-06-19
WO2007015222A1 (en) 2007-02-08
EP1910677A1 (de) 2008-04-16
KR100932254B1 (ko) 2009-12-16
CN101238293A (zh) 2008-08-06
SI1910677T1 (sl) 2010-04-30
BRPI0611050A2 (pt) 2010-08-10
ATE455960T1 (de) 2010-02-15
DE602006011903D1 (de) 2010-03-11
KR20080033477A (ko) 2008-04-16

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