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EP2255145A1 - Device for connecting pipes to a liquid/air cooler - Google Patents

Device for connecting pipes to a liquid/air cooler

Info

Publication number
EP2255145A1
EP2255145A1 EP09717381A EP09717381A EP2255145A1 EP 2255145 A1 EP2255145 A1 EP 2255145A1 EP 09717381 A EP09717381 A EP 09717381A EP 09717381 A EP09717381 A EP 09717381A EP 2255145 A1 EP2255145 A1 EP 2255145A1
Authority
EP
European Patent Office
Prior art keywords
distributor
liquid
air cooler
liquid passage
passage
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
Application number
EP09717381A
Other languages
German (de)
French (fr)
Other versions
EP2255145B1 (en
Inventor
Werner Pustelnik
Philipp Pustelnik
Thomas Euler-Rolle
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.)
Alpver Vermoegens- und Liegen- Schaftsverwaltungs
Euler-Rolle Thomas
ASA Hydraulik GmbH
Original Assignee
ALPVER VERMOGENS- und LIEGEN-
ALPVER VERMOGENS-UND LIEGEN
Euler-Rolle Thomas
Pustelnik Philipp
Pustelnik Werner
ASA Hydraulik GmbH
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 ALPVER VERMOGENS- und LIEGEN-, ALPVER VERMOGENS-UND LIEGEN, Euler-Rolle Thomas, Pustelnik Philipp, Pustelnik Werner, ASA Hydraulik GmbH filed Critical ALPVER VERMOGENS- und LIEGEN-
Publication of EP2255145A1 publication Critical patent/EP2255145A1/en
Application granted granted Critical
Publication of EP2255145B1 publication Critical patent/EP2255145B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures

Definitions

  • the invention relates to a device for connecting pipes to the liquid distributor of a liquid-air cooler, in particular a hydraulic oil-air cooler, which is usually turned on in the return of a hydraulic oil-working group of moving or stationary equipment.
  • the cooling elements of the radiator through which the hydraulic oil coolers flow in a parallelepipedic package, are generally made of aluminum plates and rods, which are surrounded by air fins and connected to a box-shaped distributor extending over the top and bottom of the package are. The cooling elements are acted upon by a mounted fan.
  • the parallelepipedic distributor of the liquid treatment device is provided in a corner area with a flattening, in which a liquid - Passage is provided. Further provided is a substantially pyramid-shaped hollow adapter attachment which can be placed on this flattening and which has a base with a fluid passage corresponding to the fluid passage of the flattening and a pipe connection in one of its pyramid sides pointing obliquely upwards.
  • the present invention therefore aims to provide an improved terminal device, which has less space than before and simple construction.
  • the invention relates to a connection device for the parallelepipedic liquid distributor of a liquid-air cooler having in one end portion a pipe connection body which has a base with a liquid passage of the distributor corresponding liquid passage and a pipe connection.
  • This connecting device according to the invention is characterized in that the connecting body is formed as a rectangular parallelepiped, which extends from a stepped recess of the end portion of the manifold to the outside and has an L-shaped passage channel, on the one hand in the liquid passage of its base and on the other hand in a terminal thread ends, which is formed in a distributor projecting portion of the connecting body.
  • the terminal body by means provided at the corners of a square screws on the stepped recess of the manifold with different orientation can be fastened.
  • FIGS. 2, 6 show a detail from FIG. 3 and FIGS. 7-9 show perspective views of the cooler.
  • a hydraulic oil air cooler which in practice is formed from a parallelepipedic package 1 of spaced aluminum plates provided with air fins, wherein the package is assigned a fan, not shown, is provided with distributors 2, which serve for the connection of not shown in and outgoing pipes to the radiator and act as a hydraulic oil distributor.
  • the likewise parallelepipedic or box-shaped hydraulic oil distributor 2 with a flow channel 2 ' is provided in one end section with a stepped or L-shaped recess which is formed by a front side section 2 "and a longitudinal side section 2'" of the distributor 2.
  • the longitudinal side section 2 "' is provided with a relatively large diameter oil passage opening 3 and four screw holes 4'.
  • the oil passage opening 3 opens into a section of reduced flow area of the distribution passage 2 '.
  • the adapter attachment 5 has a substantially rectangular base portion 5 'which is placed on the longitudinal side portion 2 ".”
  • the adapter attachment 5 is provided with four bolts 4 provided at the corners of a square, which fit into the screw holes 4' which engage in lugs are screwed in the interior of the flow channel section 2 1.
  • the adapter attachment 5 is provided with an L-shaped passage 5 '. From Fig.
  • a cuboid portion 5 "extends outwardly beyond the end face of the radiator from the passageway 5 ', and the adapter cap 5 is provided with the desired orientation of this portion 5", which contains a connecting thread 6 Distributor 2 mounted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

A connecting device for the parallelepipedic liquid distributor (2) of a liquid/air cooler which has, in an end section, a pipe connecting body (5) which has a base with a liquid passage corresponding to the liquid passage of the distributor, and a pipe connection, wherein the connecting body is designed as a rectangular parallelepiped which extends outwards from a step-shaped recess (2’’, 2’’’) of the end section of the distributor and has an L-shaped through duct (51) which ends at one end in the liquid passage (3) in the base of said pipe connecting body and at the other end in a connecting thread (6) which is formed in a connecting body section (5’’) protruding over the distributor.

Description

Einrichtung zum Anschließen von Rohrleitungen an einen Flüssigkeits-Luftkühler Device for connecting pipes to a liquid-air cooler
Die Erfindung betrifft eine Einrichtung zum Anschließen von Rohrleitungen an den Flüssigkeitsverteiler eines Flüssigkeits-Luftkühlers, insbesondere eines Hydrauliköl-Luftkühlers, der üblicherweise in den Rücklauf eines Hydrauliköl -Arbeitskreises von bewegten oder stationären Anlagen eingeschaltet ist. Die bei Hydrauliköl -Luftkühlern vom Hydrauliköl durchströmten, zu einem parallelepipedischen Paket zusammengefaßten Kühlelemente des Kühlers bestehen in der Regel aus Aluminiumplatten und -Stäben, die von Luftlamellen umgeben und mit einem sich über die Oberseite und über die Unterseite des Pake- tes erstreckenden kastenförmigen Verteiler verbunden sind. Die Kühlelemente werden von einem angebauten Ventilator beaufschlagt .The invention relates to a device for connecting pipes to the liquid distributor of a liquid-air cooler, in particular a hydraulic oil-air cooler, which is usually turned on in the return of a hydraulic oil-working group of moving or stationary equipment. The cooling elements of the radiator, through which the hydraulic oil coolers flow in a parallelepipedic package, are generally made of aluminum plates and rods, which are surrounded by air fins and connected to a box-shaped distributor extending over the top and bottom of the package are. The cooling elements are acted upon by a mounted fan.
Um zu vermeiden, daß für verschiedene Kühlermodelle unterschiedlich dimensionierte Anschlüsse auf Lager gehalten werden müssen und um den Einbau des Kühlers zu erleichtern, ist gemäß dem EP 0 983 47S Bl der parallelepipedische Verteiler der Flüssigkeitsbehandlungsvorrichtung in einem Eckbereich mit einer Abflachung versehen, in welcher ein Flüssigkeits- durchlaß vorgesehen ist . Ferner ist ein auf diese Abflachung aufsetzbarer, im wesentlichen pyramidenförmiger hohler Adapteraufsatz vorgesehen, der eine Basis mit einem dem Flüssigkeitsdurchlaß der Abflachung entsprechenden Flüssigkeitsdurchlaß und einen Rohrleitungsanschluß in einer seiner Pyramidenseiten aufweist, der schräg nach oben weist. Dies ermöglicht es, den Adapteraufsatz mit unterschiedlicher Orientierung an der Eckabflachung derart zu montieren, daß der Rohrleitungs- anschluß je nach Bedarf schräg nach oben hinten, schräg nach oben vorne oder schräg nach oben und nach der Seite weist. Ein Problem besteht bei dieser Anschlußeinrichtung und ihrem Adapteraufsatz in manchen Anwendungsfällen darin, daß die Orientierung des Rohrleitungsanschlusses unter einem Winkel zur Oberseite des Verteilers verläuft und aus einbautech- nischen Gründen dafür ausreichend Raum nicht zur Verfügung steht .In order to avoid that differently sized connections must be kept in stock for different cooler models and to facilitate the installation of the cooler, according to EP 0 983 47S B1, the parallelepipedic distributor of the liquid treatment device is provided in a corner area with a flattening, in which a liquid - Passage is provided. Further provided is a substantially pyramid-shaped hollow adapter attachment which can be placed on this flattening and which has a base with a fluid passage corresponding to the fluid passage of the flattening and a pipe connection in one of its pyramid sides pointing obliquely upwards. This makes it possible to mount the adapter attachment with different orientation on the Eckabflachung such that the pipe connection as required obliquely upwards rear, obliquely upwards or obliquely upwards and to the side. A problem with this connection device and its adapter attachment in some applications is that the orientation of the pipe connection extends at an angle to the top of the manifold and for reasons Einbaubaunischen sufficient space is not available.
Die vorliegende Erfindung zielt deshalb darauf ab, eine verbesserte Anschlußeinrichtung zu schaffen, die geringeren Raumbedarf als bisher und einfache Konstruktion hat . Gegenstand der Erfindung ist eine Anschlußeinrichtung für den parallelepipedischen Flüssigkeitsverteiler eines Flüssigkeits-Luftkühlers, der in einem Endabschnitt einen Rohranschlußkörper aufweist, welcher eine Basis mit einem dem Flüssigkeitsdurchlaß des Verteilers entsprechenden Flüssigkeits- durchlaß und einen Rohrleitungsanschluß aufweist . Diese Anschlußeinrichtung zeichnet sich erfindungsgemäß dadurch aus, daß der Anschlußkörper als rechteckiger Quader ausgebildet ist, der sich von einer stufenförmigen Ausnehmung des Endabschnittes des Verteilers nach außen erstreckt und einen L-för- migen Durchgangskanal aufweist, der einerseits in dem Flüssigkeitsdurchlaß seiner Basis und anderseits in einem Anschlußgewinde endet, das in einem den Verteiler überragenden Abschnitt des Anschlußkörpers ausgebildet ist.The present invention therefore aims to provide an improved terminal device, which has less space than before and simple construction. The invention relates to a connection device for the parallelepipedic liquid distributor of a liquid-air cooler having in one end portion a pipe connection body which has a base with a liquid passage of the distributor corresponding liquid passage and a pipe connection. This connecting device according to the invention is characterized in that the connecting body is formed as a rectangular parallelepiped, which extends from a stepped recess of the end portion of the manifold to the outside and has an L-shaped passage channel, on the one hand in the liquid passage of its base and on the other hand in a terminal thread ends, which is formed in a distributor projecting portion of the connecting body.
Gemäß einer bevorzugten Ausführungsform der Erfindung ist der Anschlußkörper mittels an den Ecken eines Quadrates vorgesehenen Schrauben an der stufenförmigen Ausnehmung des Verteilers mit unterschiedlicher Orientierung befestigbar.According to a preferred embodiment of the invention, the terminal body by means provided at the corners of a square screws on the stepped recess of the manifold with different orientation can be fastened.
Die Erfindung und weitere Merkmale derselben werden nachfolgend am Beispiel eines Hydrauliköl-Luftkühlers unter Bezug- nähme auf die Zeichnungen näher erläutert, in denen zeigen:The invention and further features thereof are explained in more detail below using the example of a hydraulic oil-air cooler with reference to the drawings, in which:
Fig. Ia in einer Vorderansicht einen Hydrauliköl -Lüftkühler mit Verteilern gemäß der Erfindung, Fig. Ib und Fig. Ic Seitenansichten zu Fig. Ia, Fig. Id eine Draufsicht, Fig. 2 einen Schnitt nach der Linie II -II in Fig. Ic, Fig. 3 einen Schnitt nach der Linie III-III in Fig. Id, Fig. 4 einen Schnitt nach der Linie IV-IV in Fig. Id, Fig. 5 eine Einzelheit aus Fig. 2, Fig. 6 eine Einzelheit aus Fig. 3 und die Fig. 7-9 Perspektiv- ansichten des Kühlers.1a in a front view of a hydraulic oil ventilating radiator with distributors according to the invention, Fig. Ib and Fig. Ic are side views of Fig. Ia, Fig. Id is a plan view, Fig. 2 a Section along the line II -II in Fig. Ic, Fig. 3 is a section along the line III-III in Fig. Id, Fig. 4 is a section along the line IV-IV in Fig. Id, Fig. 5 shows a detail FIGS. 2, 6 show a detail from FIG. 3 and FIGS. 7-9 show perspective views of the cooler.
Gemäß Fig. 1 ist ein Hydraulikόl-Luftkühler, der in der Praxis aus einem parallelepipedischen Paket 1 von beabstande- ten Aluminiumplatten gebildet ist, die mit Luftlamellen versehen sind, wobei dem Paket ein nicht gezeigter Ventilator zuge- ordnet ist, mit Verteilern 2 versehen, die zum Anschluß von nicht gezeigten zu- und abführenden Rohrleitungen an den Kühler dienen und als Hydrauliköl -Verteiler fungieren.1, a hydraulic oil air cooler, which in practice is formed from a parallelepipedic package 1 of spaced aluminum plates provided with air fins, wherein the package is assigned a fan, not shown, is provided with distributors 2, which serve for the connection of not shown in and outgoing pipes to the radiator and act as a hydraulic oil distributor.
Der ebenfalls parallelepipedische bzw. kastenförmige Hydrauliköl -Verteiler 2 mit einem Strömungskanal 2' ist in einem Endabschnitt mit einer stufenförmigen bzw. L-förmigen Ausnehmung versehen, die von einem Stirnseitenabschnitt 2" und einem Längsseitenabschnitt 2'" des Verteilers 2 gebildet wird.The likewise parallelepipedic or box-shaped hydraulic oil distributor 2 with a flow channel 2 'is provided in one end section with a stepped or L-shaped recess which is formed by a front side section 2 "and a longitudinal side section 2'" of the distributor 2.
Der Längsseitenabschnitt 2"' ist mit einer relativ großen Durchmesser aufweisenden Öldurchtrittsöffnung 3 und mit vier Schraublöchern 4' versehen. Die Öldurchtrittsöffnung 3 mündet in einen Abschnitt reduzierten Durchflußquerschnittes des Verteilerkanals 2 ' .The longitudinal side section 2 "'is provided with a relatively large diameter oil passage opening 3 and four screw holes 4'. The oil passage opening 3 opens into a section of reduced flow area of the distribution passage 2 '.
In die Ausnehmung 2", 2"' wird ein als rechteckiger Quader ausgebildeter hohler Adapteraufsatz 5 montiert, der in den Fig. 5 und 6 vergrößert dargestellt ist. Der Adapteraufsatz 5 hat einen im wesentlichen rechteckigen Basisabschnitt 5', welcher auf den Längsseitenabschnitt 2'" aufgesetzt wird. Der Adapteraufsatz 5 ist mit vier, an den Ecken eines Quadrates vorgesehenen Schraubenbolzen 4 ausgestattet, die in die Schraublöcher 4' passen, welche in Ansätze im Inneren des Strδmungskanalabschnittes 21 eingeschraubt werden. Der Adapteraufsatz 5 ist mit einem L-förmigen Durchgangskanal 5' versehen . Aus der Fig. 5 geht hervor, daß sich von dem Durchgangskanal 5' ein Quaderabschnitt 5" nach außen über die Stirnseite des Kühlers hinaus erstreckt. Der Adapteraufsatz 5 wird mit der gewünschten Orientierung dieses Abschnittes 5", der ein Anschlußgewinde 6 enthält, an dem Verteiler 2 montiert.In the recess 2 ", 2"'designed as a rectangular cuboid hollow adapter attachment 5 is mounted, which is shown in Figs. 5 and 6 enlarged. The adapter attachment 5 has a substantially rectangular base portion 5 'which is placed on the longitudinal side portion 2 "." The adapter attachment 5 is provided with four bolts 4 provided at the corners of a square, which fit into the screw holes 4' which engage in lugs are screwed in the interior of the flow channel section 2 1. The adapter attachment 5 is provided with an L-shaped passage 5 '. From Fig. 5 it can be seen that a cuboid portion 5 "extends outwardly beyond the end face of the radiator from the passageway 5 ', and the adapter cap 5 is provided with the desired orientation of this portion 5", which contains a connecting thread 6 Distributor 2 mounted.
Im Rahmen der Erfindung können zahlreiche Adapteraufsätze 5 mit Anschlußöffnungen unterschiedlicher Dimension und Abschnitten mit unterschiedlicher Gewindeart vorrätig gehalten werden, die auf einfache Weise an ein und derselben Type von Hydrauliköl-Luftkühler bzw. anderer Flüssigkeitsbehandlungs- Vorrichtungen zum Anbau gebracht werden können. In the context of the invention, numerous adapter attachments 5 with connection openings of different dimensions and sections with different types of threads can be kept in stock, which can be easily brought to one and the same type of hydraulic oil-air cooler or other Flüssigkeitsbehandlungs- devices for cultivation.

Claims

Patentansprüche : Claims:
1. Anschlußeinrichtung für den parallelepipedischen Flüssigkeitsverteiler (2) eines Flüssigkeits-Luftkühlers, der in einem Endabschnitt einen Rohranschlußkörper (5) aufweist, welcher eine Basis mit einem dem Flüssigkeitsdurchlaß des Verteilers entsprechenden Flüssigkeitsdurchlaß und einen Rohrleitungsanschluß aufweist, dadurch gekennzeichnet, daß der Anschlußkörper (5) als rechteckiger Quader ausgebildet ist, der sich von einer stufenförmigen Ausnehmung (2", 2"') des Endabschnittes des Verteilers (2) nach außen erstreckt und einen L-förmigen Durchgangskanal (5') aufweist, der einerseits in dem Flüssigkeitsdurchlaß (3) seiner Basis und anderseits in einem Anschlußgewinde (6) endet, das in einem den Verteiler (2) überragenden Abschnitt (5") des Anschlußkörpers (5) ausgebildet ist.1. Connection device for the parallelepipedic liquid distributor (2) of a liquid-air cooler having in one end portion a pipe connection body (5) having a base with a liquid passage of the distributor corresponding liquid passage and a pipe connection, characterized in that the connection body (5 ) is formed as a rectangular parallelepiped extending from a stepped recess (2 ", 2" ') of the end portion of the manifold (2) to the outside and having an L-shaped passage channel (5'), on the one hand in the liquid passage (3 ) of its base and on the other hand in a connecting thread (6) which is formed in a the distributor (2) projecting portion (5 ") of the terminal body (5).
2. Anschlußeinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Anschlußkörper (5) mittels an den Ecken eines Quadrates vorgesehenen Schrauben (4) an der stufenförmigen Ausnehmung (2", 2'") des Verteilers mit unterschiedlicher Orientierung befestigbar ist. 2. Connecting device according to claim 1, characterized in that the connecting body (5) by means provided at the corners of a square screws (4) on the step-shaped recess (2 ", 2 '") of the distributor with different orientation can be fastened.
EP09717381.9A 2008-03-05 2009-02-26 Device for connecting pipes to a liquid/air cooler Active EP2255145B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT3562008A AT506232B1 (en) 2008-03-05 2008-03-05 DEVICE FOR CONNECTING PIPES TO A LIQUID AIR COOLER
PCT/AT2009/000080 WO2009108974A1 (en) 2008-03-05 2009-02-26 Device for connecting pipes to a liquid/air cooler

Publications (2)

Publication Number Publication Date
EP2255145A1 true EP2255145A1 (en) 2010-12-01
EP2255145B1 EP2255145B1 (en) 2015-07-08

Family

ID=40589750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09717381.9A Active EP2255145B1 (en) 2008-03-05 2009-02-26 Device for connecting pipes to a liquid/air cooler

Country Status (3)

Country Link
EP (1) EP2255145B1 (en)
AT (1) AT506232B1 (en)
WO (1) WO2009108974A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3279600A1 (en) 2016-08-04 2018-02-07 S.C.Raal Sa Heat exchanger with connection device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015108598A1 (en) * 2015-06-01 2016-12-01 Volkswagen Aktiengesellschaft Combination of a heat exchanger and at least two alternatively connectable to the heat exchanger connection elements
CN114326551B (en) * 2021-12-20 2023-08-11 深圳市睿拓新科技有限公司 Building intelligent security integrated management device based on Internet of things

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JPH0711335Y2 (en) * 1989-01-30 1995-03-15 サンデン株式会社 Heat exchanger
US5664432A (en) * 1993-03-24 1997-09-09 Tripac International, Inc. Vehicle air conditioning condenser
JPH0882457A (en) * 1994-09-09 1996-03-26 Zexel Corp Laminated type heat exchanger
DE19719251C2 (en) * 1997-05-07 2002-09-26 Valeo Klimatech Gmbh & Co Kg Distribution / collection box of an at least double-flow evaporator of a motor vehicle air conditioning system
AT405882B (en) 1998-02-24 1999-12-27 Pustelnik Werner Dipl Ing CONNECTING DEVICE FOR A LIQUID DISTRIBUTOR
KR100819603B1 (en) 2001-02-28 2008-04-04 쇼와 덴코 가부시키가이샤 Evaporators for heat exchangers and vehicle air conditioners
JP2004162993A (en) 2002-11-13 2004-06-10 Denso Corp Heat exchanger
DE112005003151T5 (en) * 2004-12-16 2007-11-08 Showa Denko K.K. Evaporator
AT501879B1 (en) * 2005-05-24 2007-05-15 Pustelnik Philipp Dipl Ing ADAPTER PACK FOR A DEVICE FOR CONNECTING PIPES

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3279600A1 (en) 2016-08-04 2018-02-07 S.C.Raal Sa Heat exchanger with connection device

Also Published As

Publication number Publication date
EP2255145B1 (en) 2015-07-08
AT506232B1 (en) 2009-07-15
AT506232A4 (en) 2009-07-15
WO2009108974A1 (en) 2009-09-11

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