GB2500437A - Fuel tank arrangement - Google Patents

Fuel tank arrangement Download PDF

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Publication number
GB2500437A
GB2500437A GB1205372.4A GB201205372A GB2500437A GB 2500437 A GB2500437 A GB 2500437A GB 201205372 A GB201205372 A GB 201205372A GB 2500437 A GB2500437 A GB 2500437A
Authority
GB
United Kingdom
Prior art keywords
fuel tank
longitudinal carrier
vehicle
framework
arrangement
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.)
Withdrawn
Application number
GB1205372.4A
Other versions
GB201205372D0 (en
Inventor
Justin Yee
Michael Gatza
Andreas Wuestner
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.)
Mercedes Benz Group AG
Original Assignee
Daimler AG
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 Daimler AG filed Critical Daimler AG
Priority to GB1205372.4A priority Critical patent/GB2500437A/en
Publication of GB201205372D0 publication Critical patent/GB201205372D0/en
Publication of GB2500437A publication Critical patent/GB2500437A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B60K15/063—Arrangement of tanks
    • B60K15/067—Mounting of 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
    • 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
    • B60K15/063—Arrangement of 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
    • B60K15/073—Tank construction specially adapted to the vehicle
    • 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
    • B60K15/063—Arrangement of tanks
    • B60K2015/0636—Arrangement of tanks the fuel tank being part of the chassis or frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/14—Trucks; Load vehicles, Busses

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The invention relates to an arrangement of a fuel tank 10 on a framework of a motor vehicle, the framework comprising at least two longitudinal carrier elements spaced apart from each other in the transverse direction of the vehicle, in which arrangement the fuel tank 10 is arranged in at least one sub-portion in the transverse direction of the vehicle between the longitudinal carrier elements, wherein at least one of the longitudinal carrier elements in at least one further sub-portion in the vertical direction of the vehicle is covered by the fuel tank 10 towards the bottom. The tank 10 has an L-shape cross-section with two arms 12,14, a receptacle portion 16 for a carrier element and reinforcing fins (22 see fig 6). The invention secondarily relates to the fuel tank 10.

Description

Arrangement of a Fuel Tank on the Framework of a Motor Vehicle and Fuel Tank The invention relates to an arrangement of a fuel tank on a framework of a motor vehicle according to the preamble of patent claim 1 and a fuel tank according to the preamble of patent claim 7.
Such arrangements and such fuel tanks are well-known from the series production of motor vehicles, in particular utility motor vehicles. In such an arrangement the fuel tank, which has at least one receptacle for fuel of the motor vehicle, is arranged on a longitudinal carrier element of a framework of the motor vehicle. The framework comprises a further longitudinal carrier element, wherein the longitudinal carrier elements of the framework, which extend essentially in the longitudinal direction of the vehicle, are spaced apart from each other in the transverse direction of the vehicle and are connected with each other for instance by at least one cross beam element extending in the transverse direction of the vehicle.
Commonly the fuel tank is arranged outside the longitudinal carrier elements. This means that the fuel tank relative to the transverse direction of the vehicle is not arranged * 25 between the longitudinal carrier elements, This detracts from mounting space for components of the motor vehicle to be mounted on the framework, from which package * problems may result.
From both the DE 102011100395 Al and the DE 102009010767 Al is known an arrangement of a fuel tank on a framework of a motor vehicle comprising at least two * longitudinal carrier elements, which are spaced apart from each other in the transverse direction of the vehicle. In this arrangement the fuel tank is arranged in at least one subportion in the transverse direction of the vehicle between the longitudinal carrier elements. These arrangements, too, have further potential of providing an arrangement of the fuel tank on the framework that is even more advantageous in terms of mounting space.
For this reason it is the task of the present invention to provide an arrangement or arrangeability of the fuel tank on the framework.
This task is solved by an arrangement having the features of patent claim 1 and by a fuel tank having the features of patent claim 7. Advantageous embodiments with expedient and non-trivial further developments of the invention are indicated in the remaining claims.
For the realization of an arrangement of a fuel tank on a framework element, which is economical as to mounting space, it is envisaged according to the present invention that at least one of the longitudinal carrier elements in at least one further subportion in the vertical direction of the vehicle is covered by the fuel tank towards the bottom. In other words, the fuel tank is arranged in the first subportion in the transverse direction of the vehicle between the longitudinal carrier elements and in the further subportion in the vertical direction of the vehicle under the at least one longitudinal carrier element and covers the at least one longitudinal carrier element towards the bottom.
Thereby in particular outside the longitudinal carrier elements or on respective outer faces of the longitudinal carrier elements mounting space is provided for attaching other components of the motor vehicle, in particular a utility motor vehicle, on the framework or on the corresponding longitudinal carrier elements. At the same time the fuel tank can have a particularly high capacity for receiving fuel, since it also uses the commonly unused space in the vertical direction of the vehicle below the corresponding longitudinal carrier element.
By using this space below the at least one longitudinal carrier element it is also possible to keep the extension in the transverse direction of the vehicle, namely the width of the * fuel tank, to a minimum, in such a way that also in the transverse direction of the vehicle between the longitudinal carrier elements space is provided, in which other components of the motor vehicle can be arranged.
* Preferably, the fuel tank is arranged relative to the longitudinal direction of the vehicle in a central portion of the framework. Thereby an arrangement of the fuel tank between the : longitudinal carrier elements and thus on the respective inner faces of the longitudinal carrier elements is provided, which is particularly economical as to mounting space.
In a particularly advantageous embodiment of the invention the fuel tank has at least one receptacle for fuel, which has an essentially L-shaped cross-section with two arms arranged relative to each other essentially in an L-shape, wherein one of the arms is arranged at least partly between the longitudinal carrier elements and wherein the at least one longitudinal carrier element, which is covered by the fuel tank in the vertical direction of the vehicle towards the bottom, is covered by the other arm in the further subportion towards the bottom. In this way both the mounting space in the transverse direction of the vehicle between the longitudinal carrier elements and the mounting space below the at least one longitudinal carrier element can be used effectively and efficiently for receiving and storing fuel, thus providing an arrangement of the fuel tank on the framework, which is economical as to mounting space.
For the realization of an arrangement of the fuel tank on the framework, which provides a high mounting space efficiency, it may be envisaged that an outline of the fuel tank at least in one portion is designed as a counter outline which essentially corresponds with the outline of the at least one longitudinal carrier element. In other words the outline of the fuel tank is at least in one portion a negative outline of the outline of the at least one longitudinal carrier element, which allows for the fuel tank to be arranged particularly close to the longitudinal carrier element. It may be envisaged that the at least one longitudinal carrier element at least in one portion is received in the fuel tank, in particular within its L-shape.
Advantageously, in the arrangement according to the present invention it is envisaged that for instance an open cross-section of the at least one longitudinal carrier element remains free of the fuel tank, with the open cross-section being delimited for instance by a top belt, a bottom belt, and a bar of the at least one longitudinal carrier element, the bar connecting the top belt and the bottom belt.
In other words the fuel tank is of such a design that the cross-section of the at least one * longitudinal carrier element is kept free, so that for instance line elements, such as air :.". ducts and/or cables for the supply of electric power and/or electric signals, and/or other * pipes are at least partly received within the cross-section of the at least one longitudinal carrier element and can be arranged along the cross-section. *
The fuel tank thus is arranged outside the cross-section of the at least one longitudinal carrier element, so that the cross-section can be used as guidance for the line elements, whilst the line elements are protected by being arranged within the cross-section. In this way a particularly advantageous arrangement of the fuel tank, the line elements, and other components is provided.
In a further advantageous embodiment of the invention the fuel tank is formed of a plastic material, in particular of polypropylene and in particular of cross-linked polyethylene. This keeps the weight of the fuel tank and thus of the entire arrangement particularly small.
It has proven advantageous to manufacture the fuel tank by a rotational casting method.
Thereby also complex1 outer shapes of the fuel tank can be manufactured in a time and cost saving way, in particular in comparison with a fuel tank made of aluminium or steel or other metallic material.
0 In particular by way of using the plastic material and/or the rotational casting method for manufacturing the fuel tank it is possible to manufacture the fuel tank in a particularly time and cost saving way, which results in the benefit of low costs of the overall arrangement.
The invention also relates to a fuel tank for a motor vehicle, in particular a utility motor vehicle, comprising at least one receptacle for fuel of the motor vehicle. For realization of a particularly advantageous arrangeability of the fuel tank on the framework according to the present invention it is envisaged that the receptacle has an essentially L-shaped cross-section with two arms arranged relative to each other essentially in an L-shape, wherein one of the arms at least in one portion is arrangeable between the longitudinal carrier elements, and wherein at least one of the longitudinal carrier elements at least in one portion is to be covered by the other arm towards the bottom. Advantageous embodiments of the arrangement according to the present invention are to be regarded as advantageous embodiments of the fuel tank according to the present invention and vice versa.
By means of the fuel tank according to the present invention also the mounting space in * the vertical direction below the at least one longitudinal carrier element can be used to receive and store fuel in the receptacle. Thereby it is possible that the fuel tank has a * particularly high volume for receiving fuel, whilst having only a very small width extending in the transverse direction of the vehicle. In this way mounting space for arranging other components of the motor vehicle on the framework of same can be provided. * *
* .: Further advantages, features, and details of the invention derive from the following description of a preferred embodiment and with reference to the drawing. The afore-mentioned features and feature combinations named in the description and the features and feature combinations named in the following in the description of the figures and/or in
S
the figures alone can be used not only in the respective indicated combination, but also in any other combination or alone, without going beyond the scope of the invention.
The drawing shows in: Fig. 1 a schematic lateral view of a fuel tank for a motor vehicle, which is arrangeable on a framework comprising at least two longitudinal carrier elements, which are spaced apart from each other in the transverse direction of the vehicle, and at lea5t one receptacle for fuel; Fig. 2 a schematic top view of the fuel tank according to Fig. 1; Fig. 3 a schematic perspective view of the fuel tank according to Figs. 1 and 2; Fig. 4 a schematic rear view of the fuel tank according to Figs. Ito 3; Fig. 5 a further schematic perspective view of the fuel tank according to Figs. ito 4; and Fig. 6 parts of a schematic sectional view of a fuel tank according to Figs. 1 to 5 along the intersection line A-A shown in Fig. 1; Fig. 7 a schematic bottom view of the fuel tank according to Figs. 1 to 6. ** t
Figs. ito 7 show a fuel tank 10 for a utility motor vehicle. The fuel tank 10 has an inner receptacle not shown in Figs. ito 7, in which fuel of the utility motor vehicle can be received and stored. As can be seen in particular by referring to Figs. 4 and 5, the * receptacle has an essentially L-shaped cross-section with a first arm 12 and a second arm 14 arranged relative to each other essentially in an [-shape. This means that the fuel in the receptacle is receivable both in the first arm 12 and in the second arm 14. * .
This [-shape allows for a particularly advantageous arrangement of the fuel tank 10 in a first subportion in the transverse direction of the vehicle between two longitudinal carrier elements of a framework of the utility motor vehicle, the longitudinal carrier elements extending in the longitudinal direction of the vehicle and being spaced apart from each other in the transverse direction of the vehicle, and in a second subportion below one of the longitudinal carrier elements, wherein the one longitudinal carrier element is to be covered or is covered in the vertical direction of the vehicle by means of the fuel tank 10 towards the bottom.
In this way it is possible to use mounting space for the reception of fuel, both in the transverse direction of the vehicle between the longitudinal carrier elements and in the vertical direction of the vehicle below the one longitudinal carrier element. Thus, the fuel tank 10 is particularly advantageously arranged on the framework providing a maximum of mounting space efficiency by making a particularly large amount of mounting space available for other components of the utility motor vehicle.
With regard to the state of the fuel tank 10 being arranged on the framework, the one longitudinal carrier element on its inner face in the transverse direction of the vehicle is partly covered by the first arm 12 of the fuel tank 10 and is partly covered by the second arm 14 of the fuel tank 10 on its bottom side facing downwards in the vertical direction of the vehicle. This means that the second arm 14-with regard to the state of the fuel tank being arranged on the framework -extends from the first arm 12 outwardly in the transverse direction of the vehicle. Thus, the one longitudinal carrier element is received within a receptacle portion 16 of the fuel tank which is delimited by the arms 12, 14.
On a face 18 facing inwardly in the transverse direction of the vehicle the fuel tank 10 or a wall 20 bounding the receptacle of same is equipped with a plurality of reinforcing fins 22.
The reinforcing fins 22 can be seen very well in particular in Fig. 6. The fuel tank 10 is stiffened by the reinforcing fins 22 and has an advantageous stability.
_. . 25 a The fuel tank 10 is manufactured from cross-linked and high-density polyethylene by * * means of a rotational casting method, whereby the fuel tank 10 has a particularly low weight and can be manufactured in a time and cost efficient way. in particular, does the * rotational casting method allow also for the manufacture of relatively complex outer shapes of the fuel tank 10 in a time and cost efficient way. a a. ea
Further, particularly advantageously this allows for adjusting an outline of the fuel tank 10 essentially to an outline of a longitudinal carrier element, so that the fuel tank 10 can be arranged particularly close to the one longitudinal carrier element thus providing particularly high mounting space efficiency. In particular it is possible that the one longitudinal carrier element is received at least partly within the fuel tank 10, in particular in corresponding recesses of same, and extends within these recesses.
As is shown in particular in Figs. 2, 3, and 7, the second arm 14 does not extend across the entire length of the fuel tank 10 in the longitudinal direction of the vehicle, across which the first arm 12 extends.
The advantageous arrangement or arrangeability of the fuel tank 10 allows in particular for an open cross-section, which is for instance delimited by a top belt, a bottom belt, and a bar of the one longitudinal carrier element, the bar connecting the top belt and the bottom belt, to be kept free, so that line elements of the motor vehicle can be arranged within the cross-section. In other words the fuel tank 10 is arranged outside the cross-section of the one longitudinal carrier element and thus no longer within the cross-section, so that the cross-section can be used as stowage space and as guidance for the line elements. 0 * * . . * 0*
* .* *** * * ** ** * * * * * * * 0*. * * S. * S * S * 55
GB1205372.4A 2012-03-20 2012-03-20 Fuel tank arrangement Withdrawn GB2500437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1205372.4A GB2500437A (en) 2012-03-20 2012-03-20 Fuel tank arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1205372.4A GB2500437A (en) 2012-03-20 2012-03-20 Fuel tank arrangement

Publications (2)

Publication Number Publication Date
GB201205372D0 GB201205372D0 (en) 2012-05-09
GB2500437A true GB2500437A (en) 2013-09-25

Family

ID=46087197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1205372.4A Withdrawn GB2500437A (en) 2012-03-20 2012-03-20 Fuel tank arrangement

Country Status (1)

Country Link
GB (1) GB2500437A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5873438A (en) * 1981-10-28 1983-05-02 Honda Motor Co Ltd Fuel tank system of auto bicycle
JPH03118281A (en) * 1989-09-30 1991-05-20 Mazda Motor Corp Vehicle rear body structure
US5556133A (en) * 1994-07-26 1996-09-17 Honda Giken Kogyo Kabushiki Kaisha Automotive fuel tank mounting assembly
US20030150138A1 (en) * 2001-05-31 2003-08-14 Eiji Akahane Construction machine
US20040181977A1 (en) * 2003-03-18 2004-09-23 Kobelco Construction Machinery Co., Ltd. Working machine
DE102009030574A1 (en) * 2009-06-26 2010-12-30 GM Global Technology Operations, Inc., Detroit Motor vehicle body, has rods formed as structure-carrying component, where rods are connected with base structure by supporting points of axle guides that are fixed with guide wheels of motor vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5873438A (en) * 1981-10-28 1983-05-02 Honda Motor Co Ltd Fuel tank system of auto bicycle
JPH03118281A (en) * 1989-09-30 1991-05-20 Mazda Motor Corp Vehicle rear body structure
US5556133A (en) * 1994-07-26 1996-09-17 Honda Giken Kogyo Kabushiki Kaisha Automotive fuel tank mounting assembly
US20030150138A1 (en) * 2001-05-31 2003-08-14 Eiji Akahane Construction machine
US20040181977A1 (en) * 2003-03-18 2004-09-23 Kobelco Construction Machinery Co., Ltd. Working machine
DE102009030574A1 (en) * 2009-06-26 2010-12-30 GM Global Technology Operations, Inc., Detroit Motor vehicle body, has rods formed as structure-carrying component, where rods are connected with base structure by supporting points of axle guides that are fixed with guide wheels of motor vehicle

Also Published As

Publication number Publication date
GB201205372D0 (en) 2012-05-09

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