US20040129708A1 - Fuel tank with a carrier for carrying functional components and said carrier - Google Patents

Fuel tank with a carrier for carrying functional components and said carrier Download PDF

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Publication number
US20040129708A1
US20040129708A1 US10/739,258 US73925803A US2004129708A1 US 20040129708 A1 US20040129708 A1 US 20040129708A1 US 73925803 A US73925803 A US 73925803A US 2004129708 A1 US2004129708 A1 US 2004129708A1
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US
United States
Prior art keywords
carrier
set forth
fuel tank
tank
functional components
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.)
Abandoned
Application number
US10/739,258
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English (en)
Inventor
Matthias Borchert
Frank Hager
Dieter Schmitz
Mahmud Mustafa
Gerd Wolter
Thomas Froitzheim
Rolf Deindorfer
Walter Kolf
Detlef Ankert
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.)
Kautex Textron GmbH and Co KG
Original Assignee
Kautex Textron GmbH and Co KG
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 Kautex Textron GmbH and Co KG filed Critical Kautex Textron GmbH and Co KG
Assigned to KAUTEX TEXTRON GMBH & CO. KG reassignment KAUTEX TEXTRON GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ANKERT, DETLEF, FROITZHEIM, THOMAS, BORCHERT, MATTHIAS, HAGER, FRANK, MUSTAFA, MAHMUD AI-HAJ, SCHMITZ, DIETER, WOLTER, GERD, DEINDORFER, ROLF, KOFL, WALTER
Publication of US20040129708A1 publication Critical patent/US20040129708A1/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/03177—Fuel tanks made of non-metallic material, e.g. plastics, or of a combination of non-metallic and metallic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04—Feeding by means of driven pumps
    • F02M37/08—Feeding by means of driven pumps electrically driven
    • F02M37/10—Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
    • F02M37/103—Mounting pumps on fuel tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/20—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements
    • B29C2049/2008—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor of articles having inserts or reinforcements ; Handling of inserts or reinforcements inside the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/001—Shaping in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0009—Cutting out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7172—Fuel tanks, jerry cans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03111—Swirl pots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03118—Multiple tanks, i.e. two or more separate tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
    • B60K2015/03453—Arrangements or special measures related to fuel tanks or fuel handling for fixing or mounting parts of the fuel tank together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F02D33/003—Controlling the feeding of liquid fuel from storage containers to carburettors or fuel-injection apparatus ; Failure or leakage prevention; Diagnosis or detection of failure; Arrangement of sensors in the fuel system; Electric wiring; Electrostatic discharge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0076—Details of the fuel feeding system related to the fuel tank
    • F02M37/0082—Devices inside the fuel tank other than fuel pumps or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0076—Details of the fuel feeding system related to the fuel tank
    • F02M37/0088—Multiple separate fuel tanks or tanks being at least partially partitioned
    • F02M37/0094—Saddle tanks; Tanks having partition walls

Definitions

  • the invention concerns a fuel tank, for example for a motor vehicle, comprising various functional components contained therein for implementing operational functions of the tank.
  • the invention further concerns a carrier for functional components of a motor vehicle fuel tank.
  • the term functional component is used to denote any component which is involved in operation of the tank in its various aspects, such components including for example devices for operational venting of the tank for venting it during operation of a motor vehicle in which the tank is disposed, refuelling, refuelling venting for venting the tank during a refuelling procedure, and drawing off fuel from the tank, valves, pumps, senders and conduits.
  • openings in the wall of the fuel tank represent potential emission sources for hydrocarbons.
  • the wall of the tank is usually in the form of a multi-layer co-extrudate which includes hydrocarbon barrier layers so that the outer skin of the fuel tank is very substantially impermeable in relation to hydrocarbons.
  • cover caps it is not always possible to guarantee that a completely gas-impermeable sealing integrity is achieved.
  • connection nipples and hoses on the tank are also potential emission sources.
  • a fuel tank of plastic material comprising various functional components, which is optimised in regard to the above-indicated problems, is described for example in DE 101 07 075 A1.
  • That disclosure constitutes a fuel tank with functional components which are disposed in the interior of the tank and which are integrated into the tank when the tank is produced as by a molding process.
  • the functional components are disposed on a carrier element and are introduced together with the carrier element into a preform which subsequently, to form the fuel tank, is shaped around the carrier element and the functional components disposed thereon.
  • That fuel tank structure provides that all connecting lines and conduits which extend out of the tank are passed through a single opening in the wall of the tank in order thereby to minimise the number of openings in the body of the tank.
  • the carrier element in that arrangement is in the form of a flat element extending substantially transversely with respect to the longitudinal extent of the tank, with the functional components being fixed thereto displaceably in a dovetail-shaped guide arrangement.
  • the carrier element is welded to the inside surface of the wall of the fuel tank and serves at the same time as an element for breaking up the surge movements of fuel within the tank. For that reason it is preferable for the carrier element also to be arranged transversely with respect to the longitudinal extent of the tank.
  • the operation of fitting it during the procedure for shaping the tank may also give rise to problems due to shrinkage stresses which may occur upon cooling of the fuel tank in the mold.
  • the material of the carrier due to the method of manufacture thereof, for example by injection molding, will differ in respect of its properties from that of the fuel tank.
  • An object of the present invention is to provide a fuel tank of plastic material and including various functional components, which affords improved load-carrying capacity in relation to shock loadings thereon and thus in relation to impact against the tank.
  • Yet another object of the present invention is to provide a fuel tank for example for a motor vehicle which includes a plurality of functional components, the design being such that the functional components are capable of being arranged within the tank in a flexible fashion.
  • a fuel tank of plastic material comprising a plurality of functional components contained therein, for implementing operational functions of the tank.
  • the functional components are pre-mounted on a carrier which, equipped therewith, was introduced into the tank or was already integrated into the tank upon shaping thereof, for example by molding.
  • the functional component carrier is in the form of a hollow body through which fuel can flow within the tank.
  • the hollow body constituting the functional component carrier can be of a comparatively thin-walled structure and can be easily produced in a spatially complex contour so that the tank enjoys a high degree of flexibility in terms of the arrangement of the functional components in the tank and the fixing of the carrier within the tank.
  • the functional component carrier is supported yieldingly in relation to the inside wall surface of the tank body, thus affording a comparatively high load-carrying capacity for the tank in relation to impact-induced shock loadings.
  • the carrier itself is in the form of a hollow body, thus giving a certain degree of flexibility and yielding resilience due to the nature and structure of the carrier. It is particularly advantageous in this respect however if the component has resiliently yielding support feet or legs which are formed integrally in the wall of the carrier.
  • the support legs can be for example in the form of bellows-shaped outwardly formed portions of the carrier.
  • the carrier extends in the form of a hollow body within the tank, it is possible for those outwardly formed portions of the carrier to be provided at any appropriate location at the periphery of the carrier, thus making it possible to particularly advantageously adapt the position of the carrier fixing points to the geometry of the tank.
  • the carrier will comprise a material which is compatible in terms of weldability with the inside wall surface of the tank and that, in the region of the support feet, a weld can be produced between the carrier and the inside wall surface of the tank in the operation of shaping the tank.
  • the wall of the functional component carrier is provided with openings for receiving the functional components.
  • the openings are at least partially turned out in a collar-like shape or they are provided with fixing collars which are formed integrally thereon. That makes it easily possible for valve housings or other functional devices to be inserted into and welded in such openings.
  • the openings can be provided for example in manufacture of the carrier in the form of generally dome-shaped outwardly pressed portions or raised portions in the external contour of the carrier. Cutting open the ‘bumps’ produced by the outwardly pressed or raised portions on the carrier makes it easily possible to provide fixing and mounting seats for valves or other devices.
  • the wall of the carrier can be provided with one or more orifices operable to reduce the stiffness thereof.
  • the carrier advantageously forms a means for dividing the free volume of the interior of the tank into a plurality of intercommunicating sub-volumes. That provides that fuel surge movements produced in the tank as a consequence of a motor vehicle in which the tank is fitted assuming different positions or operating conditions are suitably damped and restrained within the tank.
  • the carrier is produced from recycled material from the production of the fuel tank, such material usually being referred to as re-grind. That automatically guarantees that the carrier material can be welded to the wall of the tank.
  • the carrier can be produced for example by a deep drawing process, but it is particularly preferable for it to be in the form of a hollow body produced by an extrusion blow molding procedure, with the above-mentioned openings and/or orifices thereof being produced after it has been shaped.
  • FIG. 1 is a diagrammatic view showing the manufacture of a functional component carrier in accordance with the invention by extrusion blow molding
  • FIG. 2 shows a view of the functional component carrier in FIG. 1, in which the wall of the hollow body forming the carrier has been partially opened to accommodate functional components
  • FIG. 3 shows the carrier equipped with functional components
  • FIG. 4 shows a diagrammatic view illustrating the introduction of the functional component carrier into a preform for a fuel tank to be produced by extrusion blow molding
  • FIG. 5 shows the finally shaped fuel tank according to the invention
  • FIG. 6 shows a further view of the finished fuel tank according to the invention
  • FIG. 7 is a perspective view of an alternative form of the functional component carrier before being equipped with functional components
  • FIG. 8 shows an alternative form of the fuel tank according to the invention with the functional component carrier shown in FIG. 6, accommodated within the tank.
  • FIGS. 1 and 2 illustrate the manner of manufacture of the functional component carrier 1 according to the invention. This involves a member which, as described above, is designed to receive and exactly position various functional components of a fuel tank as generally indicated at 2 for example in FIG. 5. Reference will be made thereto in greater detail hereinafter.
  • the functional component carrier 1 illustrated herein is in the form of a hollow plastic body produced by extrusion blow molding.
  • FIG. 1 which illustrates the procedure involved in shaping the hollow body from a suitable preform
  • the procedure firstly involves extruding a tubular preform of plasticised material between two halves 3 a, 3 b of a blow molding mold 3 , the mold thus being in the opened condition as shown.
  • the preform is then expanded in the mold 3 by means of a blowing pipe 4 inserted therein, to constitute the finished component.
  • the carrier 1 can also be produced by a deep drawing process but the extrusion blow molding procedure is preferred here for various reasons.
  • the carrier 1 can be produced from the recycled material or re-grind which is produced in manufacture of the fuel tank 2 . In that case, this ensures at the same time that the plastic material of the carrier 1 is compatible in terms of weldability with the plastic material of the fuel tank 2 .
  • the blank for producing the functional component carrier 1 is produced with hump-shaped or domed raised portions indicated for example at 5 in FIG. 7 and recessed portions 6 in the form of circular rings.
  • the functional component carrier 1 is then provided with mounting openings 7 and apertures 7 a for example for receiving functional components to be mounted thereto.
  • Cutting off the top of the domed raised portions 5 affords for example outwardly shaped portions 8 in the form of collars which can serve as fixing seats for receiving for example valve housings. It is possible for example for the valve housings to be welded in position against the end face of each respective portion 8 .
  • the portions 8 are particularly suitable for carrying the contact pressure forces required for welding the valve seats in position thereon, without experiencing serious deformation.
  • the carrier 1 is equipped with the appropriate functional components.
  • a fuel delivery unit 9 consisting of a surge or swirl pot and a fuel pump, a filling level sender 10 , an operational venting valve 11 for venting of the tank during ordinary operation thereof, a refuelling venting valve 12 for venting of the tank during a refuelling operation, and lines 13 connecting same.
  • line 13 in accordance with the invention is used herein to denote both electrical lines, fuel-carrying lines and also air-infeed and venting lines.
  • Further functional components such as for example suction jet pumps, roll-over valves and bead removal containers can also be mounted on the carrier 1 .
  • partitioning wall elements which are fitted into the carrier 1 as surge-prevention components. They extend substantially transversely with respect to the longitudinal extent of the carrier 1 and in the position of installation within the fuel tank 2 also substantially transversely with respect to the longitudinal extent thereof, as will be described in greater detail hereinafter.
  • FIG. 4 shows the production procedure in the phase in which a preform 16 which has been expelled from an extrusion head diagrammatically indicated at 15 has been extruded to its full length which approximately corresponds to the length of the desired finished fuel tank 2 .
  • the preform 16 which subsequently forms the external contour of the finished fuel tank 2 is possibly stabilised from below by the use of supporting air.
  • the functional component carrier 1 equipped with the functional components mounted thereto is now introduced from below into the opened preform 16 which is extruded between the open mold halves, by way of a holding bar 17 .
  • the mold halves of the mold 3 then close around the entire arrangement consisting of the fuel tank 2 and the carrier 1 with its functional components thereon.
  • the preform 16 is expanded by means of blowing air in the mold 3 to its definitive contour which is predetermined by the mold cavity defined by the mold 3 .
  • the material of the carrier 1 is welded in the region of pad-shaped support feet 18 to the inside wall surface 19 of the fuel tank 2 .
  • the support feet 18 have a certain degree of elasticity, as will be described in greater detail hereinafter.
  • the carrier 1 is in the form of a thin-walled hollow plastic body, the carrier 1 is elastic in itself, thereby overall providing a comparatively yielding arrangement for the carrier 1 in the fuel tank 2 .
  • the carrier is thus supported yieldingly against the inside wall surface of the tank body by virtue of the resiliently yielding support feet 18 formed integrally in the wall thereof.
  • the carrier 1 does not involve a completely closed external contour so that, in the position of installation thereof in the fuel tank 2 , fuel essentially flows or can flow through the hollow body constituting the carrier 1 .
  • the carrier 1 can be positioned in a non-rotatably, slip-free and non-tilting condition in the fuel tank 2 , such as to ensure exact positioning of the functional components in their definitive position of installation within the tank, this being something which is generally important in terms of operational reliability of the fuel tank 2 , more specifically in extreme travel situations of a motor vehicle in which the fuel tank 2 is fitted such as the position adopted by the vehicle when negotiating an extreme bend, or under extreme acceleration or extreme deceleration.
  • reference 20 denotes the filler pipe which opens at its end within the tank 2 immediately in the interior of the carrier 1 .
  • the invention however is to be interpreted in such a way that both the fuel tank 2 and also the carrier 1 can involve a comparatively complex contour, which is quite frequently the case in a practical context. It is precisely then that it is particularly important that the carrier 1 is adapted yieldingly within certain limits precisely to the internal contour of the fuel tank 2 and is exactly and reliably placed within the tank 2 , in the sense of affording the above-described operational reliability under extreme travel conditions.
  • FIGS. 7 and 8 describe a further embodiment of the fuel tank according to the invention, which is in the form of a saddle tank.
  • This alternative form of the fuel tank 2 is encountered comparatively frequently in motor vehicles which have rear wheel drive.
  • the relatively complicated contour of the saddle tank takes account of the positioning of the rear drive shaft of the motor vehicle in the region of the position of installation of the tank.
  • the fuel tank which is shown generally in FIG. 8, like moreover also the fuel tank 2 illustrated in the other Figures, has only one adjustment and inspection opening 21 , referred to as a service flange opening, more specifically by virtue of the configuration and arrangement of the carrier 1 , in accordance with the invention.
  • the carrier 1 is shown in FIG. 7.
  • the carrier 1 according to the invention will be clearly apparent by reference to the example of the saddle tank.
  • functional components must be provided in the two intercommunicating chambers indicated at 22 in FIG. 8 of the fuel tank 2 .
  • the chambers 22 must communicate with each other by way of at least one communicating duct or conduit.
  • a suction jet pump will be arranged in that chamber 22 in which the fuel delivery unit 9 with fuel pump is not disposed.
  • the two chambers 22 will usually communicate with each other by way of a kind of balancing line or conduit, so as to ensure equalisation of the filling levels in the two chambers 22 .
  • the fuel tank 2 as shown in FIG. 8 has only one opening 21 and the two chambers 22 communicate with each other substantially by way of the carrier 1 which is thus in the form of a hollow body.
  • the carrier 1 is desirably in the form of an extrusion blow-molded member, tubes and chambers of the carrier 1 can be in the form of an integral constituent part thereof.
  • the carrier 1 was fitted into the fuel tank 2 in the operation of shaping same, in the manner described hereinbefore.
  • a total of five pad-shaped support feet 18 of which only three are visible in FIG.
  • the functional component carrier 1 is supported yieldingly in relation to the inside wall surface 19 of the fuel tank 2 , in the chamber 22 which is at the left in FIG. 8 and in the region of the saddle portion 23 of the fuel tank 2 , with the support feet 18 being welded to the inside wall surface 19 of the fuel tank body in that region.
  • the carrier 1 is additionally provided with a fitment or mounting opening 24 through which for example a filling level sender indicated at 25 in FIG. 8 was fitted into the carrier 1 .
  • the domed raised portions 5 of the carrier 1 which are shown in FIG. 7, have been cut open by trimming off the top thereof, and fitted with the valves indicated at 26 a, 26 b and 26 c in FIG. 8.
  • Reference numeral 27 in FIG. 8 denotes a suction jet pump which is arranged in the left-hand chamber 22 in FIG. 8 within the carrier 1 and which is connected to the fuel delivery unit 9 by way of a connecting conduit or line 28 .
  • the carrier 1 in part performs the function of the balancing duct which is otherwise required, by way of the end thereof which is open and curved in a tubular configuration and which communicates with the right-hand chamber 22 of the fuel tank 2 in FIG. 8.
  • the support feet 18 are outwardly extending portions of a pad-shaped or cushion-shaped configuration.
  • the wall of the carrier 1 is of a concentrically wavy configuration at the edges around the support feet 18 , so that this configuration provides that the support feet 18 are of a resiliently yielding nature with a bellows-like capacity for resilient movement, thereby ultimately ensuring that the carrier 1 when fitted into the fuel tank 2 does not damagingly stabilise the fuel tank 2 , which would be harmful in particular in the case of impact-induced shock loadings on the fuel tank 2 .
US10/739,258 2002-12-20 2003-12-18 Fuel tank with a carrier for carrying functional components and said carrier Abandoned US20040129708A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10260953A DE10260953B4 (de) 2002-12-20 2002-12-20 Kraftstoffbehälter mit Funktionsbauteil-Träger sowie Träger für Funktionsbauteile eines KFZ-Kraftstoffbehälters
DE10260953.5 2002-12-20

Publications (1)

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US20040129708A1 true US20040129708A1 (en) 2004-07-08

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US20180194221A1 (en) * 2017-01-10 2018-07-12 Magna Steyr Fuel Systems Gmbh Werk Schwaebisch Gmuend Fuel Tank Device
US10408382B2 (en) 2012-04-27 2019-09-10 Kautex Textron Gmbh & Co. Kg Extrusion-blow-molded fuel tank of thermoplastic material and method for the production thereof
US10682905B2 (en) 2014-10-30 2020-06-16 Volkswagen Aktiengesellschaft Fuel tank for a motor vehicle
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US9440403B2 (en) 2004-12-15 2016-09-13 Inergy Automotive Systems Research (Société Anonyme) Method for manufacturing a plastic fuel tank with improved creep strength
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KR101714002B1 (ko) 2009-09-18 2017-03-08 티아이 오토모티브 테크놀로지 센터 게엠베하 연료 탱크 지지체
US9475382B2 (en) 2009-09-18 2016-10-25 Ti Automotive Technology Center Gmbh Fuel tank support
WO2011161036A1 (en) * 2010-06-23 2011-12-29 Inergy Automotive Systems Research (Société Anonyme) Process for manufacturing a fuel tank equipped with a baffle
FR2961738A1 (fr) * 2010-06-23 2011-12-30 Inergy Automotive Systems Res Procede de fabrication d'un reservoir a carburant muni d'un baffle
US9950616B2 (en) 2010-12-03 2018-04-24 Jeffrey Yager Deployable fuel tank baffle and fuel tank system
US9358742B2 (en) * 2011-04-12 2016-06-07 Inergy Automotive Systems Research (Societe Anonyme) Process for manufacturing a plastic fuel tank
US20140110038A1 (en) * 2011-04-12 2014-04-24 Inergy Automotive Systems Research (Societe Anonyme) Process for manufacturing a plastic fuel tank
US10408382B2 (en) 2012-04-27 2019-09-10 Kautex Textron Gmbh & Co. Kg Extrusion-blow-molded fuel tank of thermoplastic material and method for the production thereof
WO2014083293A1 (fr) * 2012-11-30 2014-06-05 Inergy Automotive Systems Research (Société Anonyme) Procédé de fabrication de réservoirs à carburant par soufflage
US9770861B2 (en) 2012-11-30 2017-09-26 Inergy Automotive Systems Research (Societe Anonyme) Method of manufacturing fuel tanks by blow moulding
FR2998824A1 (fr) * 2012-11-30 2014-06-06 Inergy Automotive Systems Res Procede de fabrication de reservoirs a carburant par soufflage.
US10040345B2 (en) 2013-10-16 2018-08-07 Kenneth S. Anderson Spare tire fuel tank
US20150102038A1 (en) * 2013-10-16 2015-04-16 Kenneth S. Anderson Spare Tire Fuel Tank
WO2016066334A1 (de) * 2014-10-30 2016-05-06 Volkswagen Aktiengesellschaft Kraftstoffbehälter für ein kraftfahrzeug
US9919595B2 (en) 2014-10-30 2018-03-20 Volkswagen Aktiengesellschaft Fuel tank for a motor vehicle
US10682905B2 (en) 2014-10-30 2020-06-16 Volkswagen Aktiengesellschaft Fuel tank for a motor vehicle
CN105484915A (zh) * 2015-12-30 2016-04-13 无锡开普机械有限公司 一种用于电喷数码发电机组的油箱组件
CN108284741A (zh) * 2017-01-10 2018-07-17 麦格纳斯太尔燃油系统公司施瓦本格明德制造厂 燃料箱装置
US20180194221A1 (en) * 2017-01-10 2018-07-12 Magna Steyr Fuel Systems Gmbh Werk Schwaebisch Gmuend Fuel Tank Device
US10625598B2 (en) * 2017-01-10 2020-04-21 Magna Steyr Fuel Systems Gsmbh Werk Schwäbisch Gmünd Fuel tank device
US11162626B2 (en) * 2017-12-28 2021-11-02 Röchling Automotive SE & Co. KG Preform for manufacturing a combined heating and anti-surge apparatus, and apparatus constituted therefrom

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Publication number Publication date
JP2006511395A (ja) 2006-04-06
ATE365113T1 (de) 2007-07-15
EP1572488A1 (de) 2005-09-14
AU2003286123A1 (en) 2004-07-29
DE10260953B4 (de) 2010-07-01
KR100694552B1 (ko) 2007-03-13
WO2004060709A1 (de) 2004-07-22
CN1741916A (zh) 2006-03-01
ES2285213T3 (es) 2007-11-16
EP1572488B1 (de) 2007-06-20
JP4511945B2 (ja) 2010-07-28
KR20050103189A (ko) 2005-10-27
DE50307533D1 (de) 2007-08-02
DE10260953A1 (de) 2004-07-29

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