EP3415737A1 - Réservoir supplémentaire pour un système auxiliaire associé à un moteur à combustion interne d'un véhicule automobile - Google Patents

Réservoir supplémentaire pour un système auxiliaire associé à un moteur à combustion interne d'un véhicule automobile Download PDF

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Publication number
EP3415737A1
EP3415737A1 EP17175831.1A EP17175831A EP3415737A1 EP 3415737 A1 EP3415737 A1 EP 3415737A1 EP 17175831 A EP17175831 A EP 17175831A EP 3415737 A1 EP3415737 A1 EP 3415737A1
Authority
EP
European Patent Office
Prior art keywords
shell
perimetral
supplementary tank
containing volume
coupling
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
EP17175831.1A
Other languages
German (de)
English (en)
Other versions
EP3415737B1 (fr
Inventor
Giorgio GRAVA
Maurizio Giani
William CERINO
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.)
Stellantis Europe SpA
Original Assignee
FCA Italy SpA
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 FCA Italy SpA filed Critical FCA Italy SpA
Priority to EP17175831.1A priority Critical patent/EP3415737B1/fr
Publication of EP3415737A1 publication Critical patent/EP3415737A1/fr
Application granted granted Critical
Publication of EP3415737B1 publication Critical patent/EP3415737B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/029—Expansion reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2530/00—Selection of materials for tubes, chambers or housings
    • F01N2530/18—Plastics material, e.g. polyester resin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs

Definitions

  • the present invention relates to a supplementary tank for an auxiliary system associated with an internal combustion engine of a motor-vehicle, having at least one volume for containing a coolant of an engine cooling system.
  • a supplementary tank for an auxiliary system associated with an internal combustion engine of a motor-vehicle having at least one volume for containing a coolant of an engine cooling system.
  • Tank including more than one containing volume is also not excluded, such as a first volume for said coolant, and a second volume for a urea solution for a system for catalytic reduction of the exhaust gases of the engine.
  • the invention particularly relates to a supplementary tank of a known type having a body comprising an upper half-shell and a lower half-shell, both of plastic material, rigidly connected to each other along respective perimetral coupling edges and defining the aforesaid containing volume, and wherein said containing volume is provided with a filling inlet for charging said fluid within the containing volume, and at least one upper connection element and one lower connection element for connecting ducts to said auxiliary system; a stilling well is also associated with said containing volume, extending upwards within said containing volume, starting from a bottom wall of said body.
  • the upper half-shell and the lower half-shell forming the body of the tank are rigidly connected to each other by means of hot welding of the plastic material forming the two half-shells.
  • a tool is used in the form of a blade, which is preliminarily heated and then brought into contact with the coupling edges of the two half-shells to bring the thermoplastic material to the temperature required to perform the welding operation obtained by pressing the two half-shells against each other.
  • a further drawback of the prior art described above lies in the fact that the two half-shells cannot be made with different materials, nor is it possible to provide inserts of different materials and/or colors. It would, however, be preferable to make the aforesaid connections with different color materials, for example, to characterize - in a simple and immediate manner - different tanks intended to be used on different engines, so as to facilitate the work of the operators in assembly lines of the motor-vehicles.
  • the aim of the present invention is to provide a supplementary tank of the type indicated above that is able to overcome the above-mentioned drawbacks.
  • the present invention relates to a supplementary tank for an auxiliary system associated with an internal combustion engine of a motor-vehicle, having at least one volume for containing a coolant of an engine cooling system, wherein said supplementary tank has a body comprising an upper half-shell and a lower half-shell, both made of plastic, rigidly connected to each other along respective perimetral coupling edges and defining the said containing volume, wherein said containing volume is provided with a filling inlet for charging the fluid within the containing volume, and at least one upper connection element and one lower connection element for connecting pipes from said auxiliary system, and wherein said containing volume is provided with a stilling well, extending upwards within said containing volume starting from a bottom wall of said body, said supplementary tank being characterized in that said upper half-shell and said lower half-shell are rigidly connected to each other by means of adhesive material, in that said stilling well protrudes upwards beyond a general theoretical plane containing the perimetral coupling
  • the perimetral coupling edges of the upper half-shell and the lower half-shell have mutual engagement surfaces including a perimetral rib and a perimetral groove, respectively, or vice versa.
  • the said perimetral rib has a cross-sectional profile selected from a trapezoidal profile, a triangular profile, a rounded profile, and a square profile.
  • a further characteristic of the tank according to the invention lies in the fact that the perimetral coupling edges of the upper half-shell and the lower half-shell are also rigidly connected to each other by mechanical coupling, for example, with the aid of a plurality of elastic teeth each protruding from one of said half-shells and engaged within corresponding coupling seats of the other half-shell.
  • the supplementary tank according to the invention has a series of important advantages. Firstly, the tank is produced with a stilling well that can be as long as possible, so as to ensure the best operating efficiency, without causing any problems or disadvantages in the manufacturing process of the tank.
  • a further advantage of the invention lies in the fact that the two half-shells forming the tank can be made of different materials and/or colors.
  • the body of the tank includes, in addition to the aforesaid upper half-shell and the aforesaid lower half-shell, additional body portions joined by adhesive material to at least one of said half-shells.
  • the aforesaid additional body portions can be produced using the same material or a different material, and either using the same color or a different color compared to the material and color of the two half-shells.
  • the aforesaid upper connection element of the tank can be produced as a separate body portion, in a different and contrasting color with respect to the color of the upper half-shell of the tank. This characteristic can be used, for example, in an industrial production to distinguish tanks intended to be associated with different types of engines, by adopting a predetermined color for the upper connection element of the tank for each type of engine.
  • Another important advantage of the invention lies in the fact that the perimetral coupling edges for coupling the upper half-shell with the lower half-shell can have portions lying in different planes, inclined or spaced apart, without this having any drawbacks in the manufacturing process (unlike in the case of half-shells welded by applying a hot blade).
  • the reference numeral 1 indicates, in its entirety, a first embodiment of a tank according to the invention, which in the example shown is an supplementary tank for the cooling system of an internal combustion engine of a motor-vehicle.
  • the tank comprises a plastic body 2 including an upper half-shell 3 and a lower half-shell 4.
  • the tank 1 includes an upper connection element 5 and a lower connection element 6 for coupling of connecting pipes from the cooling system of the motor-vehicle, according to the conventional technique well-known to those skilled in the art.
  • a stilling well 8 is arranged, formed by a cylindrical wall extending upwards from the bottom wall of the lower half-shell 4, so as to define a reduced containing volume 9 of the coolant, which is in communication with the connection 5 by means of a duct portion 5A protruding vertically downwards from the wall of the upper half-shell 3 and partially inserted within the upper port of the stilling well 8.
  • the cylindrical wall forming the stilling well has an opening 8A, adjacent to the bottom wall of the lower half-shell 4, which causes the containing volume 9 of the well 8 to communicate with the main containing volume 7 of the tank 1.
  • a filling inlet 10 is also formed in one piece in the upper half-shell 3 for charging the fluid within the tank 1, having a threaded external surface for engaging the threaded inner surface of a closure lid 11.
  • a lower connection element 12 is formed in a single piece for engaging a pipe (not shown) connecting the tank 1 to the engine cooling system of the motor-vehicle, according to the conventional technique well-known to those skilled in the art.
  • a spacer column is arranged, defined by two column portions 13, 14 formed in a single piece with the upper half-shell 3 and the lower half-shell 4, respectively (see also Figures 4, 5 ).
  • the upper half-shell 3 also includes two brackets 15 for connecting the supplementary tank 1 to a supporting structure belonging to the motor-vehicle structure.
  • the two half-shells 3 and 4 are rigidly connected to each other along their perimetral coupling edges 3A and 4A by means of adhesive material M (see figures).
  • adhesive material M see figures.
  • the upper half-shell 3 can be made of polypropylene, while the lower half-shell 4 can be made of polyamide.
  • the connection 5, or any other connection provided on the tank 1 can be formed of a separate body portion 50, made of a different material with respect to the material chosen for the upper half-shell 3, if required and/or having a different coloring.
  • the connection 5 is formed of a separate body portion 50 joined to the upper half-shell 3 by means of adhesive material.
  • the portion 50 can be made, for example, of polyphenylsulphide. This characteristic allows arrangement of tanks of the type illustrated, with differently colored connections 5 to indicate the destination for different types of engines. In this way, the work of the operators in the assembly line of motor-vehicles is made easier.
  • the stilling well 8 is obtained in a single piece with the lower half-shell 4, and yet it extends upwards beyond the theoretical plane containing the perimetral coupling edge 4A of the lower half-shell 4. In this way, the stilling well 8 is able to optimally perform its function and, at the same time, does not give rise to any inconvenience or complication during the manufacturing process, unlike conventional solutions in which the two half-shells 3, 4 are rigidly connected to each other by welding with a hot blade.
  • the perimetral coupling edges 3A, 4A of the half-shells 3, 4 have reciprocal engagement surfaces including, respectively, a rib 15 received within a groove 16.
  • the groove 15 is formed on the perimetral coupling edge 4A of the lower half-shell 4 and the rib 16 is formed on the perimetral coupling edge of the upper half-shell 3.
  • an inverse configuration could be adopted, with the rib formed on the upper half-shell and the groove formed on the lower half-shell.
  • Figures 6 and 7 have two possible configurations, corresponding to two different variants, of the rib 15 and of the groove 16. In both cases, the rib and the groove have a trapezoidal profile cross-section.
  • Figure 7 differs from Figure 6 due to the arrangement of a height space h 3 between the two facing edges 3A, 4A on the inner side of the rib.
  • the dimensions shown in Figure 7 were as follows:
  • the present invention extends to any commercially available adhesive, suitable for applications of the type discussed here.
  • a usable adhesive material is the Loctite AA3038 product of the Henkel Company.
  • the two half-shells 3, 4 are rigidly connected to each other by mechanical connection, as well as through adhesive material.
  • This mechanical connection is achieved by the engagement of a plurality of elastic teeth 30 arranged on one of the perimetral coupling edges of the half-shells 3, 4 within corresponding coupling seats 40 provided in the perimetral coupling edge of the other half-shell.
  • Figure 9 shows, by way of example, the detail of an elastic tooth 30 protruding from the perimetral coupling edge 3A of the upper half-shell 3 in a decoupled position with respect to the corresponding coupling seat 40 provided in the perimetral coupling edge 4A of the lower half-shell 4.
  • FIG 9 shows only the portions of the perimetral coupling edges of the two half-shells in which the elastic tooth 30 and the coupling seat 40 are arranged.
  • each elastic tooth 30 can be provided in either of the two half-shells 3, 4, resulting in the provision of the coupling seat 40 in the other half-shell.
  • tank according to the invention lies in the fact that it can have half-shells 3, 4 with perimetral coupling edges including portions contained in different planes, for example, inclined or spaced apart, without this having any drawbacks in the manufacturing process, as occurs in the case of the tank according to the prior art in which the two half-shells are connected together by means of hot-blade welding.
  • An example of a tank of this type is illustrated in Figures 10 and 11 with reference to a second embodiment.
  • the body of the tank comprising the two half-shells 3, 4 also defines, in addition to the containing volume 7 for the coolant of an engine cooling system, another containing volume 70, separate from the volume 7, which in the example shown is intended to contain a urea solution for a catalytic reduction system of exhaust gases of the engine.
  • the stilling well extends for the entire height of the containing volume 7, from the bottom wall of the lower half-shell up to the upper wall, coaxially to the filling inlet 10.
  • the auxiliary volume 70 has a separate filling inlet 100 and an outlet connection 60 associated with it. All of the variants illustrated above with reference to the embodiment of Figure 1 can, of course, also be adopted in the case of the embodiment of Figures 10 and 11 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP17175831.1A 2017-06-13 2017-06-13 Réservoir supplémentaire pour un système auxiliaire associé à un moteur à combustion interne d'un véhicule automobile Active EP3415737B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17175831.1A EP3415737B1 (fr) 2017-06-13 2017-06-13 Réservoir supplémentaire pour un système auxiliaire associé à un moteur à combustion interne d'un véhicule automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17175831.1A EP3415737B1 (fr) 2017-06-13 2017-06-13 Réservoir supplémentaire pour un système auxiliaire associé à un moteur à combustion interne d'un véhicule automobile

Publications (2)

Publication Number Publication Date
EP3415737A1 true EP3415737A1 (fr) 2018-12-19
EP3415737B1 EP3415737B1 (fr) 2020-07-22

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Application Number Title Priority Date Filing Date
EP17175831.1A Active EP3415737B1 (fr) 2017-06-13 2017-06-13 Réservoir supplémentaire pour un système auxiliaire associé à un moteur à combustion interne d'un véhicule automobile

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EP (1) EP3415737B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3126482A1 (fr) * 2021-09-02 2023-03-03 Renault S.A.S. Dispositif de stockage d’un premier liquide destiné à chauffer un deuxième liquide.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10119704A1 (de) * 2001-04-20 2002-10-31 Siemens Ag Flüssigkeitsbehälter
EP1260685A2 (fr) * 2001-05-23 2002-11-27 Filterwerk Mann + Hummel Gmbh Réservoir du liquide de refroidissement d'un moteur à combustion interne
FR2866064A1 (fr) * 2004-02-11 2005-08-12 Trelleborg Fluid Systems Geie Dispositif de regulation de la phase liquide d'un circuit de refroidissement d'un moteur thermique, notamment pour vehicule automobile
DE102014002688A1 (de) * 2014-02-28 2015-09-03 Kautex Textron Gmbh & Co. Kg Mehrkammerbehälter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10119704A1 (de) * 2001-04-20 2002-10-31 Siemens Ag Flüssigkeitsbehälter
EP1260685A2 (fr) * 2001-05-23 2002-11-27 Filterwerk Mann + Hummel Gmbh Réservoir du liquide de refroidissement d'un moteur à combustion interne
FR2866064A1 (fr) * 2004-02-11 2005-08-12 Trelleborg Fluid Systems Geie Dispositif de regulation de la phase liquide d'un circuit de refroidissement d'un moteur thermique, notamment pour vehicule automobile
DE102014002688A1 (de) * 2014-02-28 2015-09-03 Kautex Textron Gmbh & Co. Kg Mehrkammerbehälter

Also Published As

Publication number Publication date
EP3415737B1 (fr) 2020-07-22

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