EP2859236B1 - Verdichter mit einem zylinderkopf - Google Patents

Verdichter mit einem zylinderkopf Download PDF

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Publication number
EP2859236B1
EP2859236B1 EP13723173.4A EP13723173A EP2859236B1 EP 2859236 B1 EP2859236 B1 EP 2859236B1 EP 13723173 A EP13723173 A EP 13723173A EP 2859236 B1 EP2859236 B1 EP 2859236B1
Authority
EP
European Patent Office
Prior art keywords
cylinder head
valve table
compressor
flange
produced
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
EP13723173.4A
Other languages
English (en)
French (fr)
Other versions
EP2859236A1 (de
Inventor
Hakan Tunca
Ahmet Refik Ozdemir
Ersin Donmez
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 TR2017/18749T priority Critical patent/TR201718749T4/tr
Publication of EP2859236A1 publication Critical patent/EP2859236A1/de
Application granted granted Critical
Publication of EP2859236B1 publication Critical patent/EP2859236B1/de
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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

Definitions

  • the present invention relates to a compressor comprising a cylinder head, that is used in cooling devices.
  • the hermetic compressors used in domestic type refrigerators comprises a cylinder wherein the compression process is performed, the cylinder head wherein the suction chamber and the exhaust chamber are disposed and the valve table disposed between the cylinder and the cylinder head.
  • the cylinder head is fixed on the valve table with methods such as screwing, etc.
  • the refrigerant, compressed inside the cylinder, with increased pressure and temperature is discharged into the exhaust chamber of the cylinder head after leaving the cylinder.
  • the temperature of the cylinder head increases with the effect of the refrigerant, filled in the cylinder head, with high pressure and temperature.
  • the cylinder head becomes deformed with the effect of high temperature when produced from plastic material. Therefore, a gap occurs between the valve table and the cylinder head. Therefore, refrigerant and heat passage to the outside environment occurs through between the cylinder head and the valve table. Accordingly, the compressor efficiency and performance are adversely affected.
  • a compressor having a cylinder head produced from plastic material, a framework produced from metal material, embedded into at least some of the cylinder head walls and the cylinder head produced by being coated on the framework by plastic injection method.
  • the aim of the present invention is the realization of a compressor wherein the passage of refrigerant and heat is prevented.
  • the compressor realized in order to attain the aims of the present invention and explicated in the attached claims, comprises a casing carrying the components therein, a cylinder wherein the compression process is performed, a cylinder head disposed on the cylinder, a valve table situated between the cylinder and the cylinder head, at least one exhaust chamber wherein the pumped circulating fluid fills, situated below the cylinder head and at least one suction chamber wherein the sucked circulating fluid fills.
  • the cylinder head is formed on the valve table by overmolding method.
  • the valve table is placed into the mould after being produced.
  • Plastic is injected over the valve table placed into the mould and the cylinder head is produced on the valve table.
  • the cylinder head is produced so as not to be separated from the valve table without being damaged.
  • the surfaces of the cylinder head and the valve table facing each other entirely contact one another and are prevented from separating from one another.
  • leakage of refrigerant through between the cylinder head and the valve table to the outside environment is prevented.
  • ease of assembly is provided. Furthermore, heat and sound are prevented from dissipating to the outside environment during flow of the refrigerant.
  • the compressor comprises the valve table produced from metal material and the cylinder head produced from plastic material.
  • the cylinder head and the valve table are joined by overmolding method. Integrated production of different materials is possible by means of the overmolding method.
  • the compressor comprises at least one opening that provides the cylinder head to be fixed to the valve table by being filled while the valve table is coated. During overmolding, the openings situated on the valve table are also filled with plastic material and thus the cylinder head is prevented from being separated from the valve table as a result of any kind of force.
  • the opening is arranged on the surface of the valve table opposite to its wall between the suction chamber and the exhaust chamber.
  • the opening is filled in during overmolding.
  • the compressor comprises at least one flange that surrounds the sides of the valve table.
  • the flange is almost entirely embedded into the cylinder head during the overmolding process.
  • the flange extends perpendicularly to the plane of the valve table, over the valve table.
  • the flange remains almost entirely inside the cylinder head.
  • the compressor comprises the cylinder head having at least one housing situated on the cylinder head and surrounding the flange.
  • the housing surrounds the flange all around. The housing provides the cylinder head to be tightly attached to the valve table.
  • the flange at least partially surrounds the cylinder head.
  • the cylinder head remains inside the flange.
  • the flange extends in parallel direction to the plane of the valve table.
  • the flange is almost entirely embedded into the cylinder head after the overmolding process.
  • the compressor comprises at least one opening arranged on the flange.
  • the opening is filled with plastic material while the overmolding process is performed on the valve table.
  • the compressor comprises at least two openings on the side of the valve table, situated on planes perpendicular to one another and intersecting one another.
  • the cylinder head is provided to be tightly attached to the valve table.
  • the compressor comprises at least one suction muffler, having a hollow, closed volume which provides attenuation of the noise generated during pumping of the refrigerant fluid.
  • the refrigerant reaches the cylinder by passing through the suction muffler and the suction chamber.
  • the refrigerant with increased pressure and temperature is discharged into the exhaust chamber of the cylinder head after leaving the cylinder.
  • the sound originating from the refrigerant flow is provided to be attenuated by passing the refrigerant through the suction muffler.
  • the compressor comprises at least one headpiece wherein the suction chamber is arranged, mounted on the suction muffler and which is produced integrated with the cylinder head.
  • the suction chamber is arranged, mounted on the suction muffler and which is produced integrated with the cylinder head.
  • leakage between the cylinder head and the headpiece is prevented.
  • an additional element is not required for integrating the headpiece to the cylinder head. Ease of assembly is provided by means of the cylinder head and the headpiece being integrated.
  • the suction muffler is produced integrated with the cylinder head.
  • leakage between the cylinder head and the suction muffler is prevented.
  • the compressor comprises at least one frame that is disposed on the valve table.
  • the frame placed on the valve table is coated with plastic.
  • a compressor is realized wherein the surfaces of the cylinder head and the valve table facing one another contact each other leak-proofingly.
  • the compressor (1) comprises a casing (2) carrying the components therein, a cylinder (3) wherein the compression process is performed, a cylinder head (4) disposed on the cylinder (3), a valve table (5) situated between the cylinder (3) and the cylinder head (4), at least one exhaust chamber (13) wherein the pumped circulating fluid fills, disposed below the cylinder head (4) and at least one suction chamber (12) wherein the sucked circulating fluid fills ( Figure 1 ).
  • the refrigerant sucked from inside the casing (2) reaches the cylinder (3) by passing through the suction chamber (12) of the cylinder head (4).
  • the refrigerant with increased pressure and temperature is discharged into the exhaust chamber (13) of the cylinder head (4) after leaving the cylinder (3).
  • the cylinder head (4) of the present invention is produced by implementing overmolding method over the valve table (5).
  • the valve table (5) is placed into the mould after being produced.
  • Plastic is injected over the valve table (5) placed into the moud and the cylinder head (4) is produced on the valve table (5).
  • the cylinder head (4) is produced so as not to be separated from the valve table (5) without being damaged.
  • the cylinder head (4) integrated with the valve table (5) there remains no gap between the cylinder head (4) and the valve table (5) and the cylinder head (4) is prevented from separating from the valve table (5) when the interior temperature of the cylinder head (4) increases.
  • the efficiency of the compressor (1) is improved by preventing refrigerant leakage between the cylinder head (4) and the valve table (5).
  • the cylinder head (4) and the valve table (5) produced as a single piece provides ease of assembly ( Figure 2 ).
  • valve table (5) is joined with the cylinder head (4) by overmolding method.
  • the interior temperature of the exhaust chamber (13), situated under the cylinder head (4), increases due to the compressed refrigerant with increased temperature and pressure coming from the cylinder (3).
  • the compressor (1) comprises the valve table (5) produced from metal material and the cylinder head (4) produced from plastic material. Integrated production of different materials is possible by the overmolding method. By means of joining the cylinder head (4) and the valve table (5) by implementing the overmolding method, there remains no gap at contact points of the cylinder head (4) and the valve table (5), thereby providing leak-proofing.
  • the compressor (1) comprises at least one opening (6, 106, 206) arranged on the valve table (5), providing the cylinder head (4) to be fixed to the valve table (5) by being filled during the overmolding process.
  • the opening (6, 106, 206) arranged on the valve table (5) is filled with plastic material.
  • the cylinder head (4) is joined with the valve table (5) inseparably ( Figure 5, Figure 6 ).
  • the opening (6, 106) is arranged on the surface of the valve table (5) opposite to its wall disposed between the suction chamber (12) and the exhaust chamber (13).
  • the opening (6, 106) is filled during overmolding.
  • the cylinder head (4) is provided to be more tightly attached to the valve table (5).
  • the compressor (1) comprises a flange (7) that extends from the sides of the valve table (5) so as to almost entirely surround the valve table (5).
  • the flange (7) is coated almost all around by plastic.
  • An additional attachment surface is obtained by means of the flange (7) ( Figure 4 ).
  • the flange (7) is perpendicular to the plane of the valve table (5). After the overmolding process, the flange (7) extends almost entirely into the cylinder head (4). The flange (7) is entirely embedded into the cylinder head (4). The cylinder head (4) that becomes integrated with the valve table (5) is prevented from sliding off the valve table (5) ( Figure 7, Figure 8 ).
  • the compressor (1) comprises a housing (8) disposed on the cylinder head (4) and which surrounds the flange (7).
  • the housing (8) wherein the flange (7) is disposed, is formed on the cylinder head (4) ( Figure 7 ).
  • the flange (7) almost entirely surrounds the cylinder head (4).
  • the flange (7) is disposed on the surface of the valve table (5) that is coated with plastic. During overmolding, plastic fills in between the walls of the flange (7). The flange (7) prevents the cylinder head (4) from moving on the valve table (5) by surrounding the cylinder head (4).
  • the flange (7) extends from the sides of the valve table (5) in parallel direction to the plane of the valve table (5) and is almost entirely embedded into the cylinder head (4) after the overmolding process. During overmolding, the flange (7) is coated with plastic ( Figure 4 ).
  • the compressor (1) comprises at least one opening (206) arranged on the flange (7).
  • the flange (7) is provided to be tightly attached to the cylinder head (4) as the opening (206) is filled. Consequently, the flange (7) is integrated with the cylinder head (4) without requiring an additional element ( Figure 4 , Figure 7, Figure 8 ).
  • the compressor (1) comprises at least two openings (6, 106) on the side of the valve table (5), intersecting one another and situated on surfaces perpendicular to one another.
  • the openings (6, 106) are filled by plastic during overmolding.
  • the plastic inside the openings (6, 106) merges, providing the cylinder head (4) to be tightly attached to the valve table (5).
  • no gap remains between the cylinder head (4) and the valve table (5) by preventing the surfaces of the cylinder head (4) and the valve table (5) facing one another from separating as a result of applying any kind of force from one or more surfaces ( Figure 5 ).
  • the compressor (1) comprises at least one suction muffler (9), having a hollow, closed volume which provides attenuation of the noise generated during pumping of the refrigerant fluid.
  • the refrigerant reaches the cylinder (3) by passing through the suction muffler (9) and the suction chamber (12).
  • the refrigerant with increased pressure and temperature is discharged into the exhaust chamber (13) of the cylinder head (4) after leaving the cylinder (3).
  • the sound originating from the refrigerant flow is provided to be attenuated by passing the refrigerant through the suction muffler (9).
  • the compressor (1) comprises a headpiece (10) mounted on the suction muffler (9) and which is produced integrated with the cylinder head (4).
  • the suction chamber (12) is situated inside the headpiece (10). Leak-proofing is provided between the suction chamber (12) and the cylinder head (4) by means of producing the headpiece (10) integrated with the cylinder head (4).
  • the suction muffler (9) is produced together with the cylinder head (4) during the overmolding process.
  • no gap remains between the cylinder head (4) and the suction muffler (9).
  • elevation difference that may occur due to size variations resulting from producing the suction muffler (9) and the cylinder head (4) separately is prevented, thereby eliminating probable leak-proofing problems ( Figure 9 ).
  • the compressor (1) comprises a frame (11) produced from metal material and disposed on the valve table (5).
  • the frame (11) placed on the valve table (5) is coated with plastic by the overmolding method.
  • the frame (11) that is integrated with the cylinder head (4) gives strength to the cylinder head (4).
  • the frame (11) increases the rigidity of the cylinder head (4) while the temperature and pressure increase ( Figure 3 , Figure 4 ).
  • a compressor (1) is realized wherein refrigerant and heat leakage is prevented by eliminating any gap between the valve table (5) and the cylinder head (4).
  • the efficiency of the compressor (1) is improved.
  • the cylinder head (4) being integrated with the valve table (5) provides ease of assembly.

Landscapes

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

Claims (13)

  1. Verdichter (1) umfassend
    - ein Gehäuse (2), das die Komponenten trägt,
    - einen Zylinder (3), in dem der Kompressionsvorgang durchgeführt wird,
    - einen Zylinderkopf (4), der auf dem Zylinder (3) angeordnet ist,
    - einen Ventiltisch (5) der sich zwischen dem Zylinder (3) und dem Zylinderkopf (4) befindet,
    - mindestens einen Abgaskammer (13), der unter dem Zylinderkopf (4) angeordnet ist und in die das gepumpte zirkulierende Fluid einfüllt, und
    - mindestens einen Ansaugkammer (12), worin zirkulierende Fluid füllt,
    dadurch gekennzeichnet, dass
    - der Zylinderkopf (4) über dem Ventiltisch (5) hergestellt ist, in dem Umspritzungs prozess verwendet wird,
    wobei der Ventiltisch (5) aus Metall hergestellt ist und der Zylinderkopf (4) aus Kunststoff hergestellt ist,
    und wobei eine Öffnung (6, 106, 206) auf dem Ventiltisch (5) angeordnet ist, die dafür sorgt, dass der Zylinderkopf (4) an dem Ventiltisch (5) befestigt wird, indem er während des Umspritzungsprozesses gefüllt wird.
  2. Verdichter (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnung (6,106), die auf der Oberfläche des Ventiltisches (5) gegenüber seiner Wand angeordnet ist, die zwischen der Ansaugkammer (12) und der Abgaskammer (13) angeordnet ist.
  3. Verdichter (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein Flansch (7) sich von den Seiten des Ventiltisches (5) erstreckt, um somit den Ventiltisch (5) nahezu vollständig zu umgeben.
  4. Verdichter (1) nach Anspruch 3 dadurch gekennzeichnet, dass der Flansch (7) senkrecht zur Ebene des Ventiltisches (5) steht und sich nach dem Umspritzungsprozess nahezu vollständig in den Zylinderkopf (4) erstreckt.
  5. Verdichter (1) nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass mindestens ein Gehäuse (8) auf dem Zylinderkopf (4) angeordnet ist und den Flansch (7) umgibt.
  6. Verdichter (1) nach Anspruch 3, dadurch gekennzeichnet, dass mindestens ein Flansch (7) den Zylinderkopf (4) nahezu vollständig umgibt.
  7. Verdichter (1) nach Anspruch 3 dadurch gekennzeichnet, dass der Flansch (7) sich von den Seiten des Ventiltisches (5) parallel zur Ebene des Ventiltisches (5) erstreckt und der nach dem Umspritzungsprozess nahezu vollständig in dem Zylinderkopf (4) eingebettet ist.
  8. Verdichter (1) nach Anspruch 3 oder 7, dadurch gekennzeichnet, dass mindestens eine Öffnung (206) auf dem Flansch (7) angeordnet ist.
  9. Verdichter (1) nach einem der Ansprüche 1 bis 8 dadurch gekennzeichnet, dass mindestens zwei Öffnungen (6, 106) auf der Seite des Ventiltisches (5) einander schneiden und sich auf Oberflächen, die senkrecht zueinander sind, befinden.
  10. Verdichter (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Ansaug-Schalldämpfer (9) ein hohles, geschlossenes Volumen aufweist, das für die Dämpfung des beim Pumpen des Kühlfluids erzeugten Geräusches sorgt.
  11. Verdichter (1) nach Anspruch 10, dadurch gekennzeichnet, dass das Kopfstück (10) am Ansaug-Schalldämpfer (9) angebracht ist und einstückig mit dem Zylinderkopf (4) ausgebildet ist.
  12. Verdichter (1) nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass der Ansaug-Schalldämpfer (9) zusammen mit dem Zylinderkopf (4) während des Umspritzungsprozesses erzeugt wird.
  13. Verdichter (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass ein Rahmen (11), der aus Metall hergestellt ist und an dem Ventiltisch (5) angeordnet ist.
EP13723173.4A 2012-06-06 2013-05-18 Verdichter mit einem zylinderkopf Active EP2859236B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TR2017/18749T TR201718749T4 (tr) 2012-06-06 2013-05-18 Silindir kafası içeren bir kompresör.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201206620 2012-06-06
PCT/EP2013/060320 WO2013182409A1 (en) 2012-06-06 2013-05-18 A compressor comprising a cylinder head

Publications (2)

Publication Number Publication Date
EP2859236A1 EP2859236A1 (de) 2015-04-15
EP2859236B1 true EP2859236B1 (de) 2018-08-08

Family

ID=48446388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13723173.4A Active EP2859236B1 (de) 2012-06-06 2013-05-18 Verdichter mit einem zylinderkopf

Country Status (5)

Country Link
EP (1) EP2859236B1 (de)
CN (1) CN104583595A (de)
BR (1) BR112014030409A2 (de)
TR (1) TR201718749T4 (de)
WO (1) WO2013182409A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11105326B2 (en) * 2016-05-07 2021-08-31 Emerson Climate Technologies, Inc. Single piece valve plate assembly for a reciprocating compressor
CN107970129A (zh) * 2017-12-04 2018-05-01 广州市润研基因科技有限公司 一种新型漱口水及其制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61178577A (ja) * 1985-02-01 1986-08-11 Sanyo Electric Co Ltd 圧縮機用マフラ−の製造方法
US4784581A (en) * 1987-01-12 1988-11-15 White Consolidated Industries, Inc. Compressor head and suction muffler for hermetic compressor
US6464475B1 (en) * 2000-04-06 2002-10-15 Idromeccanica Bertolini S.P.A. Head for pumps in particular of the membrane or piston type and method for its manufacture
KR100544902B1 (ko) * 2004-03-15 2006-01-24 차진석 에어 펌프용 실린더
US20060039813A1 (en) * 2004-08-19 2006-02-23 Thomas Paul J Domed cover for pump head
SG141266A1 (en) * 2006-09-12 2008-04-28 Matsushita Electric Ind Co Ltd A compressor structure for a refrigeration system
EP2433006A1 (de) 2009-05-22 2012-03-28 Arçelik Anonim Sirketi Kompressor mit einem zylinderkopf
CN101737296A (zh) * 2010-01-08 2010-06-16 浙江鸿友压缩机制造有限公司 低噪声结构无油空气压缩机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
TR201718749T4 (tr) 2018-01-22
CN104583595A (zh) 2015-04-29
BR112014030409A2 (pt) 2017-06-27
EP2859236A1 (de) 2015-04-15
WO2013182409A1 (en) 2013-12-12

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