EP2207962A1 - Kältemittelverdichter - Google Patents
KältemittelverdichterInfo
- Publication number
- EP2207962A1 EP2207962A1 EP08804349A EP08804349A EP2207962A1 EP 2207962 A1 EP2207962 A1 EP 2207962A1 EP 08804349 A EP08804349 A EP 08804349A EP 08804349 A EP08804349 A EP 08804349A EP 2207962 A1 EP2207962 A1 EP 2207962A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connecting element
- pipe
- pressure tube
- pressure
- refrigerant
- 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.)
- Granted
Links
- 239000002826 coolant Substances 0.000 title abstract 5
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 229920003023 plastic Polymers 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- 239000003507 refrigerant Substances 0.000 claims description 55
- 238000003466 welding Methods 0.000 claims description 12
- 238000002788 crimping Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000008141 laxative Substances 0.000 description 1
- 230000002475 laxative effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- F04B39/123—Fluid connections
Definitions
- the invention relates to a refrigerant compressor, which has a hermetically sealed compressor housing in the interior of which a refrigerant-compressing piston-cylinder unit operates, which draws refrigerant via a suction pipe from outside the compressor housing and the refrigerant under compression via a from a pressure pipe and According to the preamble of claim 1, a pressure line formed in a connection pipe made of metal discharges in the direction of a capacitor arranged outside the compressor housing.
- the refrigeration process with zeotropic gases as such has long been known.
- the refrigerant is heated by energy absorption from the space to be cooled in the evaporator and finally superheated, which leads to evaporation and compressed by a piston-cylinder unit of the refrigerant compressor to a higher pressure level, where it emits heat through a capacitor and via a throttle, in which a pressure reduction and the cooling of the refrigerant takes place, is transported back into the evaporator.
- Such refrigerant compressors are mainly used in refrigerators or shelves. Accordingly high is the annually produced quantity. Any technical improvement that is made to a refrigerant compressor and reduces production costs, for example, extrapolated to the refrigerant compressors used worldwide, an enormous saving potential.
- Refrigerant compressors are also sources of noise, which can sometimes be annoying during operation of the refrigerant compressor.
- the vibrations generated by the operation of the piston-cylinder unit and its drive motor also load all parts of the refrigerant compressor which are exposed to these vibrations.
- the pressure tube must have a certain mobility in order to absorb the vibrations exerted by the piston-cylinder unit can.
- Conventional pressure pipes are made of metallic materials with high moduli of elasticity. In order to meet the requirements with respect to vibration transmission and fatigue strength, the pressure pipes are therefore designed to be correspondingly long and arranged bent several times inside the compressor housing. Pressure pipes of this type are therefore also called serpentines.
- DE 31 02 576 A1 discloses a pipe connection, wherein a first pipe can be inserted into an enlarged end region of a second pipe.
- the outer shell of the first tube is provided with two juxtaposed, film-like coatings, namely with a silicone rubber layer and an adhesive layer. Both coatings have a layer thickness between 0.5 and 0.75 mm. Due to this relatively small layer thickness such a pipe connection is not suitable for use in a pressure pipe connection generic refrigerant compressor, since the coatings in the case of relative movements between the pressure tube and the connection pipe could wear and thus in the objective connection area the risk of leakage would be.
- the continuous flow of emerging from the piston-cylinder unit refrigerant should not be hindered.
- One generic refrigerant compressor has a hermetically sealed compressor housing, in the interior of which a refrigerant-compressing piston-cylinder unit operates, which is connected to a suction pipe and a pressure tube, via the suction pipe, a refrigerant flows to the piston-cylinder unit, and there compressed refrigerant is passed along a pressure line formed by the pressure tube and a subsequent to the pressure tube, made of metal connecting pipe through the interior of the compressor housing and subsequently to the exterior of the compressor housing.
- the pressure tube is made of plastic and sealingly connected by means of a made of plastic, sleeve-shaped connecting element with the connecting pipe made of metal, wherein the connecting tube has a pressure tube facing, at least partially narrowed end portion, which within the Connection pipe arranged connecting element secures in its axial position.
- the different coefficient of thermal expansion of the pressure pipe made of plastic can be ideally compensated for the connecting pipe made of metal, thus preventing leaks in the pressure path.
- an adjoining the end region of the pressure tube, bounded by a connecting element inner surface opening cross-section of the connecting element is greater than or equal to a bounded by a pressure tube inner surface flow cross-section of the pressure tube.
- an outer side of the pressure tube is sealingly encased by the connecting element, wherein the connecting element has a sealing connection to the connecting pipe.
- the sealing connection between the connecting element and the connecting pipe is produced by a sealing element arranged between the connecting element and the connecting pipe.
- This sealing element is preferably an O-ring, which is held in a groove provided on an outer side of the connecting element.
- the inner surface of the connecting element is designed stepped, wherein a first inner surface portion surrounding the pressure tube and having an inner surface substantially adjacent to an end region of the pressure tube, preferably to an end face of the pressure tube the pressure tube aligned or outside these lying second inner surface portion of the connecting element are provided.
- the stepped design of the fastener inner surface allows secure retention and accurate positioning of the pressure tube end portion in the fastener.
- the connecting element can be connected by gluing, welding or extrusion coating with the pressure tube.
- the connecting element is attached to the pressure tube by means of laser welding technology.
- at least that portion of the connecting element adjoining the pressure tube is permeable at least for infrared wavelengths in the range between 800 and 960 nm.
- a designated infrared laser welding device can radiate through the shell of the connecting element and in this way a suitable welding temperature in the contact area between the Achieve the pressure tube outside and the connector inner surface.
- the connecting element which has adaptive geometry to the connection pipe, in one piece with the pressure pipe, so that more economical series production is made possible.
- the connecting pipe is crimped with the connecting element.
- the outer side of the connecting element has a complementary geometry prepared for crimping with the connecting pipe, preferably in the form of a concave recess.
- the connecting element is made in a preferred embodiment of an elastomeric plastic.
- Made of an elastomer fasteners can deform elastically under tensile, compressive or bending stress, so that a greater robustness of the pressure path is achieved against mechanically or thermally induced forces.
- connection pipe at the height of a held in the mounting position in the connection pipe or in the connecting element end portion of the pressure tube on attached to a wall of the compressor housing, preferably welded.
- Fig.l is a perspective view of a refrigerant compressor with a compressor housing and a feeding intake manifold and a laxative
- FIG. 6 shows an alternative embodiment of the pressure pipe connection according to the invention with a crimped connection pipe in detail sectional view.
- FIG. 7 shows an alternative embodiment of the invention
- FIG. 1 shows a refrigerant compressor in a perspective view with a compressor housing 1 together with a suction tube 2 and a pressure section 3, 6 formed by a pressure tube 3 and a connecting tube 6.
- the suction pipe 2 leads into the interior 8 of the compressor housing 1 and performs an incoming refrigerant from an evaporator, not shown, of a mounted on a base plate 16 in the compressor housing 1 piston-cylinder unit 4 to re-compress the previously expanded in the evaporator refrigerant.
- the compressed refrigerant is led away via the pressure section 3, 6 again from the piston-cylinder unit 4 and leads out of the interior 8 of the compressor housing 1 (see also Fig.2).
- the pressure section 3, 6 furthermore comprises a pressure muffler 18, which, however, can also be arranged outside the compressor housing 1.
- the pressure pipe 3 - as already known from the prior art - made of plastic, eg a made thermoplastic, thermosetting or elastomeric plastic.
- the connecting pipe 6 to be connected to the pressure pipe 3 is made of metal.
- the connecting pipe 6 is made of copper, a copper alloy or steel, but it may also be made of other metallic materials and have any shell or inner coatings.
- the material copper has an expansion coefficient about four times higher than plastic and resulting in the interior of the compressor housing 1 operating temperatures of up to 120 ° C, to ensure the tightness of the pressure section 3, 6 special requirements for a connection of the pressure tube 3 and the connecting pipe. 6 posed.
- the pressure tube 3 made of plastic is connected by means of a sleeve-shaped connecting element 5 made of plastic with the connecting pipe 6 made of metal.
- connection pipe 3 is not necessarily inside or the connection pipe 6 need not necessarily be outside the compressor housing 1.
- connection region between the pressure pipe 3 and the connection pipe 6 or the connection according to the invention shown in the figures by means of a connection element 5 can lie in any area of the pressure section 3, 6, ie also inside or outside the compressor housing 1.
- the connecting element 5 according to the invention can e.g. out
- PA polyamide
- PE polyethylene
- PP polypropylene
- SPS syntactic polystyrene
- PTFE polytetrafluoroethylene
- a connecting element 5 which is pressed or glued in the connecting pipe 6 and made of thermoplastic material can furthermore be used in the case of heating of the
- Connecting pipe 6 move with this and thus allow a better fit of the connecting element 5 in the connecting pipe 6.
- connection pipe 6 coming from the exterior 9 or extending to the evaporator protrudes a little way into the interior 8 of the compressor housing 1 provided with a passage opening 17 and is connected to the compressor housing 1 on an outside 6b, e.g. welded.
- the connecting element 5 is further inserted into the connecting pipe 6, preferably pressed and is secured by this in its axial position by the connecting pipe 6 has a narrowed end portion 6c facing the pressure pipe 3, which has an end face 5c of disposed within the connecting pipe 6 Connecting element 5 engages around at least at one point of its circumference and secures against axial displacement.
- the end portion 6c of the connecting pipe 6 is bent or compressed in the direction of an outer side 3b of the pressure tube 3.
- the outside 3b of the pressure tube 3 is of a
- Inner surface 5a of the connecting element 5 sealingly sheathed.
- the inner surface 5a, 5a 'of the connecting element 5 is stepped executed, wherein the pressure tube 3 sheathing the first inner surface portion 5a and a to the end portion 3c of the pressure tube 3 and at its end side an adjacent second inner surface portion 5a 'of the connecting element 5 are provided.
- a flow cross section adjoining the end region 3c of the pressure pipe 3 and defined by the second inner surface section 5a 'is provided 11 of the connecting element 5 is greater than or equal to a defined by an inner surface 3a of the pressure tube 3 flow cross-section 10 of the pressure tube 3 is formed.
- the second inner surface section 5a 'of the connecting element 5 is substantially flush with the inner surface 3a of the pressure tube 3 or lies (viewed relative to the central axis) just outside the inner surface 3a of the pressure tube 3.
- the connecting element 5 is attached to the pressure tube 3 by means of sealing connection technology, e.g. by gluing, welding, pressing or overmolding.
- the connecting element 5 is fastened to the pressure tube 3 by means of infrared laser welding technology.
- at least that portion of the connecting element 5 adjoining the pressure tube 3 is translucent or transmissive at least for infrared wavelengths in the range between 800 and 960 nm in order to pass through the jacket of the pressure tube 3 with a suitable infrared laser welding apparatus and a welding temperature in the contact region between the outside 3b of the pressure tube 3 and the inner surface 5a of the connecting element 5 to achieve.
- the pressure tube 3, however, is made of black or dark plastic to allow optimal absorption of the radiated by the infrared laser welding device energy.
- the connecting element 5 sealingly connected to the pressure pipe 3 also has a sealing connection to the connecting pipe 6.
- This sealing connection is produced in the illustrated embodiment by a sealing element 7 arranged between the connecting element 5 and the connecting pipe 6.
- the sealing element 7 is an O-ring, which is held in a groove 13 provided on the outer side 5b of the connecting element 5 and whose outer diameter is at least greater than the inner diameter of the connecting tube 6 or the clear Width of the flow cross-section 12 is.
- the O-ring or the sealing element 7 has a lenticular cross-section in FIG.
- the use of round, rectangular or rhombic O-rings 7 is possible (see Figures 4 and 5).
- an O-ring 7 is inserted into the groove 13 of the connecting element 5, whose cross-section has a substantially square shape, wherein the sides of the cross-section square are each concave, so that through the O-ring 7 to both the inner surface 6a of the connecting pipe 6 as well as to the outside 5a of the connecting element 5 each result in two sealing contact lines.
- Such an embodiment of the sealing element 7 allows an even better guarantee of the tightness between the connecting pipe 6 and the connecting element 5.
- connecting element 5 In order to achieve a sealing connection of the connecting element 5 to the connecting pipe 6, however, it would also be possible to use a specially designed connecting element 5, for example made of an elastomer.
- connecting element 5 and the connecting pipe 6 e.g. by applying an adhesive to the connecting element outside 5b and / or the connecting tube inner surface 6b or by providing a press fit between the connecting element outer side 5b and the connecting tube inner surface 6b.
- connection pipe 6 shows an alternative embodiment of the invention, wherein the connecting pipe 6 is crimped with the connecting element 5.
- the outside 5b of the Connecting element 5 a prepared for crimping with the connecting pipe 6, complementary geometry in the form of a concave recess 14.
- the connecting pipe 6 is crimped with a suitable device at least at one point of its circumference, so that a jacket portion 6d of the connecting pipe 6 conforms to the concave recess 14 and thus an axial Fixation of the connection pipe 5 held in the connecting pipe 5 causes.
- FIG. 6 shows, the concave recess 14 of the connecting element 5 or the crimped jacket section 6d of the connecting tube 6 are arranged in a position surrounding the end region 3c of the pressure tube 3 held in the connecting element 5.
- the region of the connecting element 5 located below the jacket section 6d of the connecting pipe 6 is pressed even more strongly against the pressure pipe 3 and the sealing effect between the connecting element 5 and the pressure pipe 3 is further increased.
- Such an arrangement would prove to be advantageous in particular in connection elements 5 in elastomer design, since it would be possible to dispense with the provision of a separate sealing element 7.
- the connecting element 5 is made in one piece with the pressure tube 3. Such a construction can be advantageous in terms of manufacturing technology.
- the sealing elements 7 can be used with any cross-sectional geometry and in any number (see also Fig.7 and 8) or, as already mentioned, also omitted, since a sufficient sealing effect to the connecting pipe 6 already is achieved by a sealing element 5 having a sealing geometry.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0060407U AT10136U1 (de) | 2007-10-05 | 2007-10-05 | Kältemittelverdichter |
PCT/EP2008/062405 WO2009047095A1 (de) | 2007-10-05 | 2008-09-18 | Kältemittelverdichter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2207962A1 true EP2207962A1 (de) | 2010-07-21 |
EP2207962B1 EP2207962B1 (de) | 2015-04-29 |
Family
ID=39616344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20080804349 Active EP2207962B1 (de) | 2007-10-05 | 2008-09-18 | Kältemittelverdichter |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100226805A1 (de) |
EP (1) | EP2207962B1 (de) |
CN (1) | CN101883923A (de) |
AT (1) | AT10136U1 (de) |
WO (1) | WO2009047095A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3343035A1 (de) | 2016-12-28 | 2018-07-04 | LG Electronics Inc. | Hubkolbenverdichter |
EP3343034A1 (de) | 2016-12-28 | 2018-07-04 | LG Electronics Inc. | Hubkolbenverdichter |
DE102017122126A1 (de) | 2017-09-25 | 2019-03-28 | Vaillant Gmbh | Leckage-Erkennung |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5454423B2 (ja) * | 2010-03-29 | 2014-03-26 | 株式会社豊田自動織機 | 電動圧縮機 |
IN2015MN00117A (de) | 2012-07-23 | 2015-10-16 | Emerson Climate Technologies | |
US9605677B2 (en) | 2012-07-23 | 2017-03-28 | Emerson Climate Technologies, Inc. | Anti-wear coatings for scroll compressor wear surfaces |
BR102012025273B1 (pt) | 2012-10-03 | 2021-09-08 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda | Compressor de refrigeração |
KR20160055497A (ko) | 2014-11-10 | 2016-05-18 | 엘지전자 주식회사 | 왕복동식 압축기 및 그 조립방법 |
KR102259638B1 (ko) * | 2016-05-03 | 2021-06-02 | 엘지전자 주식회사 | 리니어 압축기 |
BR102016013772B1 (pt) * | 2016-06-14 | 2021-07-13 | Embraco Industria De Compressores E Soluqoes Em Refrigeraqao Ltda. | Aperfeiqoamento introduzido em sistema para conexao de tubos de descarga de fluido refrigerante em tampas de cilindro de compressores hermeticos, e correspondente processo de execuqao |
BR102018015458B1 (pt) | 2018-07-27 | 2021-12-21 | Whirlpool S.A. | Tubo condutor de fluido |
CN110425279B (zh) * | 2019-08-06 | 2021-04-27 | 北京卫星环境工程研究所 | 用于大功率两级g-m制冷机的二级密封环结构 |
WO2021081622A1 (en) * | 2019-11-01 | 2021-05-06 | Leggett & Platt Canada Co. | Pump noise attenuator and method thereof |
KR20210125669A (ko) * | 2020-04-09 | 2021-10-19 | 현대자동차주식회사 | 에어컨 배관 시스템 |
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 |
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US2498395A (en) * | 1946-11-21 | 1950-02-21 | Flex O Tube Company | High-pressure swivel hose coupling |
US2776151A (en) * | 1952-08-19 | 1957-01-01 | Continental Can Co | Pipe fitting for connecting metal pipe to plastic pipe |
US3236543A (en) * | 1959-06-12 | 1966-02-22 | Mueller Co | Plastic pipe coupling with frangible lugs |
US3467414A (en) * | 1966-09-30 | 1969-09-16 | Ronald T Downing | Tube joint having buckled locking means |
US3858914A (en) * | 1973-07-25 | 1975-01-07 | Brass Craft Mfg Co | Transition pipe connection |
US4277091A (en) * | 1979-04-19 | 1981-07-07 | Hunter John J | Coupling for lined pipe |
US4371199A (en) * | 1980-01-31 | 1983-02-01 | General Electric Company | Crimped tube joint |
US4330924A (en) * | 1980-01-31 | 1982-05-25 | General Electric Company | Method of forming crimped tube joint |
US4776616A (en) * | 1986-05-26 | 1988-10-11 | Usui Kokusai Sangyo Kabushiki Kaisha | Coupling |
JPH0259130A (ja) * | 1988-07-13 | 1990-02-28 | Mie Horo Kk | 管材の接合方法 |
JPH0735271A (ja) * | 1993-07-20 | 1995-02-07 | Usui Internatl Ind Co Ltd | 金属細径配管の連結固定方法 |
US5890287A (en) * | 1996-01-10 | 1999-04-06 | Usui Kokusai Sangyo Kaisha Limited | Connection structure and process for connecting eye joints and slender metal pipes |
FR2749639B1 (fr) * | 1996-06-10 | 1998-08-21 | Hutchinson | Dispositif de raccord rapide pour conduit de fluide sous pression |
AU6910098A (en) * | 1996-10-25 | 1998-05-22 | Mannesmann Aktiengesellschaft | Pipe coupling |
JP4298357B2 (ja) * | 2003-04-08 | 2009-07-15 | 三桜工業株式会社 | 管の接続構造 |
US7516990B2 (en) * | 2003-05-15 | 2009-04-14 | Mueller Industries, Inc. | Fluid conduit system and fittings therefor |
US6896297B2 (en) * | 2003-08-05 | 2005-05-24 | Central Plastics Company | Gas service riser assembly and ductile pipe to plastic pipe transition connection |
CA2530829C (en) * | 2003-08-21 | 2012-03-20 | Steven Slunick | Metal to plastic fluid connection with overmolded anti-rotation retainer |
AT7698U1 (de) | 2004-04-28 | 2005-07-25 | Verdichter Oe Ges M B H | Kältemittelverdichter |
WO2007011247A2 (en) | 2005-07-22 | 2007-01-25 | Fisher & Paykel Appliances Limited | Refrigeration compressor with flexible discharge conduit |
-
2007
- 2007-10-05 AT AT0060407U patent/AT10136U1/de not_active IP Right Cessation
-
2008
- 2008-09-18 CN CN2008801099892A patent/CN101883923A/zh active Pending
- 2008-09-18 WO PCT/EP2008/062405 patent/WO2009047095A1/de active Application Filing
- 2008-09-18 EP EP20080804349 patent/EP2207962B1/de active Active
-
2010
- 2010-04-02 US US12/798,398 patent/US20100226805A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2009047095A1 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3343035A1 (de) | 2016-12-28 | 2018-07-04 | LG Electronics Inc. | Hubkolbenverdichter |
EP3343034A1 (de) | 2016-12-28 | 2018-07-04 | LG Electronics Inc. | Hubkolbenverdichter |
US10760564B2 (en) | 2016-12-28 | 2020-09-01 | Lg Electronics Inc. | Reciprocating compressor having a connector |
DE102017122126A1 (de) | 2017-09-25 | 2019-03-28 | Vaillant Gmbh | Leckage-Erkennung |
Also Published As
Publication number | Publication date |
---|---|
US20100226805A1 (en) | 2010-09-09 |
CN101883923A (zh) | 2010-11-10 |
EP2207962B1 (de) | 2015-04-29 |
AT10136U1 (de) | 2008-09-15 |
WO2009047095A1 (de) | 2009-04-16 |
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