WO2018185229A1 - Dispositif de protection temporaire destiné à être utilisé dans un véhivule à moteur - Google Patents

Dispositif de protection temporaire destiné à être utilisé dans un véhivule à moteur Download PDF

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Publication number
WO2018185229A1
WO2018185229A1 PCT/EP2018/058748 EP2018058748W WO2018185229A1 WO 2018185229 A1 WO2018185229 A1 WO 2018185229A1 EP 2018058748 W EP2018058748 W EP 2018058748W WO 2018185229 A1 WO2018185229 A1 WO 2018185229A1
Authority
WO
WIPO (PCT)
Prior art keywords
protecting device
filler head
temporary protecting
temporary
motor vehicle
Prior art date
Application number
PCT/EP2018/058748
Other languages
English (en)
Inventor
Keita Takahashi
Takeshi Kojima
Original Assignee
Plastic Omnium Advanced Innovation And Research
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 Plastic Omnium Advanced Innovation And Research filed Critical Plastic Omnium Advanced Innovation And Research
Priority to JP2019600144U priority Critical patent/JP3227716U/ja
Publication of WO2018185229A1 publication Critical patent/WO2018185229A1/fr

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
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
    • 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
    • B60K15/04—Tank inlets
    • B60K15/0406—Filler caps for fuel tanks
    • B60K15/0409—Provided with a lock
    • 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
    • B60K2015/03486—Fuel tanks characterised by the materials the tank or parts thereof are essentially made from
    • B60K2015/03493—Fuel tanks characterised by the materials the tank or parts thereof are essentially made from made of plastics
    • 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
    • B60K15/04—Tank inlets
    • B60K15/0406—Filler caps for fuel tanks
    • B60K2015/0432—Filler caps for fuel tanks having a specific connection between the cap and the vehicle or tank opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2304/00—Optimising design; Manufacturing; Testing
    • B60Y2304/07—Facilitating assembling or mounting

Definitions

  • a temporary protecting device for use in a motor vehicle is a temporary protecting device for use in a motor vehicle.
  • the present invention relates to the technical field of motor vehicle, particularly to a temporary protecting device for use in a motor vehicle. More particularly, it relates to a temporary protecting device for use in SCR (Selective Catalytic Reduction) systems, a filler head of a SCR tank including the same, a method for assembling such a filler head on a motor vehicle, and a method for assembling a car body on a car frame.
  • SCR Selective Catalytic Reduction
  • Motor vehicles are generally equipped with several tanks, such as fuel tanks for containing gasoline or diesel; additive tanks referred to as SCR tanks for containing urea, other precursors of ammonia, or ammonia solutions for use in SCR systems; or any other additive tanks, for storing engine coolant, fluid for the hydraulic brake control system, screen-wash or else headlight-wash liquid and the like.
  • These tanks are typically provided with a filler head through which the content (i.e. fuel, additive, coolant, etc) can be filled into the tank.
  • the filler head together with the SCR tank, is usually first mounted on a car frame (main supporting structure of the motor vehicle), then several parts of a car body will be assembled on the car frame.
  • the object of the present invention is to facilitate the assembly of a car body on a car frame.
  • the present invention provides a temporary protecting device for use in a motor vehicle comprising:
  • a closing part configured to obstruct an opening of a filler head for a tank during assembling of the tank on the motor vehicle
  • the elongated part extending from the closing part, the elongated part comprising a first end fixed to the closing part and a second free end;
  • the elongated part is configured to allow to manipulate the temporary protecting device so that an assembly of the temporary protecting device and the filler head is movable between a temporary position and a final position
  • closing part is made of elastomer.
  • This temporary protecting device particularly a dust cap for use in a filler head for a tank, is different from a classic one which is typically composed of a closing part configured to obstruct an opening of the filler head.
  • a dust cap only acts as a temporary protecting device to obstruct an opening of a filler head of a tank before and during the assembly of the tank on a vehicle (for example, during transportation, storage of the tank) in order to prevent any dust, impurities or contaminants from entering the tank. After the assembling, the dust cap will be removed from the filler head to allow access to the internal volume of the tank.
  • the temporary protecting device has an elongated part in addition to the closing part.
  • an operator can move an assembly of the temporary protecting device and the filler head obstructed by the former to a temporary position during the assembly of the car body on the car frame, so that there is more space available for the assembling operations.
  • the filler head is in the temporary position, the collision problem mentioned above is reduced.
  • the operator can move it back to its final position in which the filler head works. Thanks to the elongated part, the filler head is easily movable between a temporary position and a final position without using jigs or specific tools, what is advantageous.
  • the temporary protecting device as presented above allows to significantly facilitate operations during the assembly of the car body on the car frame and to reduce costs for car manufacturers.
  • the closing part of a dust cap in the prior art is generally made of plastic, which is cheap and clean (no chippings are likely to fall from it to pollute the tank).
  • the level of tightness between the dust cap and the opening of the filler head achieved with plastic is considered as good enough.
  • the temporary protecting device described above fulfils two functions, namely, protecting the filler head of the tank (for example against any dust, impurities, contaminants or the like) before and during its assembling on a vehicle, and allowing an operator to easily move the filler head to a temporary position during the assembly of the car body on the car frame, while the dust cap in the prior art has a unique protecting function.
  • temporary protecting device is understood to mean a device intended to protect a component of the motor vehicle before the component is put into use on the motor vehicle and intended to be removed then, when it is not needed any more. More precisely, the temporary protecting device protects the filler head before being put into use on the motor vehicle.
  • the term "obstruct an opening” is understood to mean making it difficult for undesired matters to enter the opening by blocking their path.
  • the closing part is configured to close the opening of the filler head.
  • free end of a part is understood to mean an end of the part that is not permanently attached to something.
  • a first end fixed to the closing part and a second free end mean that the first end is permanently fixed to the closing part, whereas the second free end is not permanently fixed to something, but can be temporarily fixed to something.
  • the term "temporary position” is understood to mean a position in which the object in question stays only for a limited period.
  • the terms “the filler head is movable between a temporary position and a final position” mean that the filler head stays in the temporary position only for a limited period, more precisely during assembly of the car body on the car frame.
  • the final position should be understood as the position of the filler head when the motor vehicle is in used. Once the filler head in final position, the temporary protecting device can be removed definitively to allow use of the motor vehicle.
  • tank is understood to mean a leak-tight chamber intended for the storage of any fluid, such as a fuel, a fuel additive (such as those required for reducing the combustion temperature of the particles retained on the particulate filters of diesel engines for example), an exhaust gas additive (such as urea, other precursors of ammonia, or ammonia solution in SCR (Selective Catalytic Reduction) systems), an engine coolant, a fluid for the hydraulic brake control system, a screen-wash or headlight- wash liquid, for example.
  • the tank may be made from any suitable material.
  • the temporary protecting device can further comprise one or more of the following features, taken alone or together:
  • the elongated part is also made of elastomer, particularly the same one as the closing part. This will make it easier to produce the device. In particular, it will be possible to integrally form the closing part and the elongated part, for example by injection molding process.
  • lastomer means any material, such as natural or synthetic rubber, that is able to resume its original shape when a deforming force is removed.
  • the elastomer comprises a material selected from the group consisting of: thermoplastic elastomer and ethylene propylene diene monomer rubber. Good results are obtains with these materials. It will be appreciated that other elastomers may also be used as long as they make the closing part of the device difficult to remove from the filler head.
  • the material "ethylene propylene diene monomer rubber” is also known as "EPDM”.
  • the elastomer has the following features:
  • a Shore A hardness ranging from 40 to 60 degree, preferably from 45 to 55 degree, more preferably from 47 to 53 degree,
  • the temporary protecting device further comprises fixing means for temporarily fixing the assembly of the temporary protecting device and the filler head in the temporary position, the fixing means being provided at the second end of the elongated part. Thanks to the fixing means, the assembly of the temporary protecting device and the filler head can be temporarily fixed in the temporary position, allowing to liberate the hand of the operator holding the elongated part.
  • the fixing means are configured to fix the elongated part on an existing component of the motor vehicle. In this way, we can make use of a component existing already on the vehicle (provided for another purpose) to achieve the aforesaid purpose. In other words, there is no need to add a specific component on the vehicle for cooperating with the fixing means of the device.
  • the fixing means comprise at least one orifice formed in the second end of the elongated part, preferably three orifices or more.
  • the at least one orifice can cooperate with a protuberance on the vehicle so that the assembly of the temporary protecting device and the filler head can be temporarily fixed in the temporary position.
  • More than one orifices allow to provide a corresponding number of temporary positions, which gives the operator more freedom and allow to use a same design of temporary protecting device for different uses, like a standard temporary protecting device. It is understood that the exact number of the orifice can be adapted as desired.
  • ifice preferably means a traversing hole made in the material of the elongated part, for example an aperture, a hole, a slot and the like. It may be of any shape.
  • the fixing means comprise an annular part connected to the second end of the elongated part.
  • annular part means a part that is shaped like a ring which may be of any shape, such as circular, square, rectangle, triangle, diamond.
  • the closing part has a cylindrical shape for cooperating with a conic shape of the opening of the filler head.
  • the opening of the filler head is generally of conic shape.
  • the closing part of a dust cap is also of conic shape complementary to that of the opening, to make sure that the closing part could be easily inserted into the opening.
  • the closing part has a surprising cylindrical shape, which allows to further increase the retention force, and thus the force needed to remove the temporary protecting device from the filler head.
  • this shape of the closing part is particularly advantageous to fulfil the additional function of the temporary protection device presented here. With such a shape, it is more difficult to lose connection between the device and the filler head when they are fixed in the temporary position.
  • Temporary protecting device is configured to obstruct a filler head of a SCR tank. It is understood that the application of the device is not limited to SCR tank, but particularly advantageous for this type whose filler head can be difficult to be reached during assembly of the car body on the car frame.
  • the temporary protecting device is a dust cap. It is appreciated that dust cap is just a non-limiting example; any other device having a temporary protecting function is possible.
  • the present invention also relates to a filler head of a SCR tank comprising a temporary protecting device as described above.
  • the present invention further relates to a method for assembling a filler head for a tank on a motor vehicle, the filler head having a temporary protecting device as described above, comprising the steps of:
  • the present invention further relates to a method for assembling a car body on a car frame on which a filler head as described above is mounted, comprising the steps of:
  • - figure 1 is a top view of a temporary protecting device according to an embodiment
  • - figure 2 is a side cross-sectional view of the device of figure 1 ;
  • FIG. 3 is a perspective view of a filler system for a SCR tank with a temporary protecting device mounted thereon;
  • figure 4 is a side view of the filler system of figure 3;
  • FIG. 5 is a top view showing a filler head in a temporary position
  • FIG. 6 is a top view showing a filler head in its final position.
  • FIGS 1 and 2 show a temporary protecting device 10 according to an embodiment, in a top view and a side cross-sectional view respectively.
  • the temporary protecting device 10 is a dust cap for a filler head of a SCR tank of a motor vehicle. It is appreciated that it may be any other device that has a temporary protecting function for a filler head of any tank on a motor vehicle.
  • the dust cap 10 comprises a closing part 12 configured to obstruct an opening of a filler head 30 (see figures 3 to 6) for a tank at least during assembling (preferably also before the assembling) of the tank on the motor vehicle.
  • the dust cap 10 further comprises an elongated part 14 extending from the closing part 12, the elongated part comprising a first end fixed to the closing part 12 and a second free end.
  • the elongated part 14 is configured to allow an operator to manipulate the dust cap so that an assembly of the dust cap 10 and the filler head 30 is movable between a temporary position (see figure 5) and a final position (see figure 6).
  • the temporary position is such that a car body part will not collide with the filler head pre- mounted on a car frame during the assembly of the car body on the car frame.
  • the risks of damaging or breaking parts of the car body intended to be mounted around the filler head as well as the filler head itself are significantly reduced.
  • there is no need to use jigs or specific tools to move the filler head to a temporary position allowing to facilitate operations during the assembly of the car body on the car frame and to reduce costs for car manufacturers.
  • the closing part 12 may be made of any suitable materials, preferably elastomer, such as thermoplastic elastomer (TPE) and ethylene propylene diene monomer rubber (EPDM).
  • TPE thermoplastic elastomer
  • EPDM ethylene propylene diene monomer rubber
  • both the closing part 12 and the elongated part 14 are made of elastomer. It is preferred that the elastomer has the following features:
  • a Shore A hardness ranging from 40 to 60 degree, preferably from 45 to 55 degree, more preferably from 47 to 53 degree,
  • the closing part 12 and the elongated part 14 may be integrally formed, for example by injection molding. Alternatively, they can be separately manufactured and then fixed to each other through any suitable means, such as gluing, welding, bonding and screwing.
  • the closing part 12 may have a cylindrical shape. This shape is dimensioned such that the closing part 12 can be tightly retained in the opening, which is usually of conic shape, of the filler head 30 once inserted therein. In other words, a great detaching force needs to be applied on the dust cap in order to remove the cap from the opening.
  • the dust cap 10 may comprise fixing means 16 at the second end of the elongated part 14.
  • the fixing means 16 include three orifices formed in the second end of the elongated part. It is understood that the orifices could be of any shape and there could be more or less orifices as desired.
  • the fixing means comprise an annular part including one or more orifices of any shape connected to the second end of the elongated part 14. The annular part may be integrally formed with the elongated part. Alternatively, it may be manufactured separately and then attached to the second end of the elongated part through any suitable means.
  • the fixing means 16 cooperates with an existing component of the motor vehicle so as to fix the assembly of the dust cap 10 and the filler head 30 in the temporary position (see figure 5).
  • the existing component may be for example a stud 40 on an engine cover.
  • the stud 40 is inserted in the orifice of the fixing means so that the assembly of the dust cap and the filler head is hanged temporarily on the stud 40.
  • the fixing means may comprise a protuberance configured to cooperate with an orifice existing on the motor vehicle for the same purpose.
  • the dust cap 10 is inserted in an opening of the filler head 30 which is mounted on a SCR tank (not shown) when the tank is delivered to car manufacturers. Hence, during the transportation of the tank, the dust cap 10 obstructs the opening so as to prevent any dust, impurities, contaminants and the like from entering the tank.
  • Car manufacturers will first mount the SCR tank (with the filler head and the dust cap mounted thereon) on a car frame. Then they will assemble car body parts on the car frame. During this assembly, an operator will move the assembly of the dust cap 10 and the filler head 30 to a temporary position (see figure 5) and temporarily fix it in this position by inserting an existing component (e.g. a stud 40 on an engine cover) in an orifice of the fixing means 16 of the dust cap 10. In the temporary position of the filler head, the car body parts will not collide with it and there will be more space available to the operator in this area. As a result, the operator can easily perform assembling operations with the risks of damaging or breaking parts reduced or even eliminated.
  • an existing component e.g. a stud 40 on an engine cover
  • the operator When the assembly is finished, the operator will move the assembly of the dust cap 10 and the filler head 30 to its final position (see figure 6) in which the filler head 30 is received in a bracket 50. Finally, he will remove the dust cap 10 from the filler head 30 and connect the filler head 30 to a component of the vehicle.

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

Abstract

La présente invention concerne un dispositif de protection temporaire (10) destiné à être utilisé dans un véhicule à moteur, comprenant : une partie de fermeture (12) configurée pour bloquer une ouverture d'une tête de remplissage d'un réservoir pendant l'assemblage du réservoir sur le véhicule à moteur ; et une partie allongée (14) s'étendant depuis la partie de fermeture (12), la partie allongée comprenant une première extrémité fixée à la partie de fermeture et une seconde extrémité libre ; la partie allongée étant configurée pour permettre de manipuler le dispositif de protection temporaire de telle sorte qu'un ensemble du dispositif de protection temporaire et de la tête de remplissage soit mobile entre une position temporaire et une position finale, et la partie de fermeture (12) étant en élastomère. La présente invention concerne en outre une tête de remplissage (30) d'un réservoir SCR comprenant un tel dispositif et un procédé d'assemblage d'une telle tête de remplissage sur un véhicule automobile, ainsi qu'un procédé d'assemblage d'un corps de voiture sur un châssis de voiture.
PCT/EP2018/058748 2017-04-06 2018-04-05 Dispositif de protection temporaire destiné à être utilisé dans un véhivule à moteur WO2018185229A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019600144U JP3227716U (ja) 2017-04-06 2018-04-05 自動車で使用するための一時保護装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17165158 2017-04-06
EP17165158.1 2017-04-06

Publications (1)

Publication Number Publication Date
WO2018185229A1 true WO2018185229A1 (fr) 2018-10-11

Family

ID=58501261

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/058748 WO2018185229A1 (fr) 2017-04-06 2018-04-05 Dispositif de protection temporaire destiné à être utilisé dans un véhivule à moteur

Country Status (2)

Country Link
JP (1) JP3227716U (fr)
WO (1) WO2018185229A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985536A (en) * 1990-06-07 1991-01-15 E. I. Du Pont De Nemours And Company Copolyetherester elastomer with cycloaliphatic hard segments
WO1996020228A1 (fr) * 1994-12-23 1996-07-04 Optatech Corporation Elastomere thermoplastique a base de polyolefine-polyacrilate
US20050092752A1 (en) * 2003-09-29 2005-05-05 Hiroyuki Hagano Cap device
DE102007050509A1 (de) * 2007-10-23 2009-04-30 Volkswagen Ag Einfülleinrichtung mit einem Einfüllstutzen an einem Waschflüssigkeitsbehälter in einem Fahrzeug
DE102008049183A1 (de) * 2008-09-26 2010-04-01 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeug mit einer verschließbaren Einfüllöffnung
EP2927040A1 (fr) * 2014-04-04 2015-10-07 Veritas Ag Tête de remplissage pour un réservoir de liquide
EP3042797A1 (fr) * 2015-01-07 2016-07-13 Peugeot Citroën Automobiles SA Dispositif d'inviolabilite de reservoir d'agent reducteur de vehicule automobile

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985536A (en) * 1990-06-07 1991-01-15 E. I. Du Pont De Nemours And Company Copolyetherester elastomer with cycloaliphatic hard segments
WO1996020228A1 (fr) * 1994-12-23 1996-07-04 Optatech Corporation Elastomere thermoplastique a base de polyolefine-polyacrilate
US20050092752A1 (en) * 2003-09-29 2005-05-05 Hiroyuki Hagano Cap device
DE102007050509A1 (de) * 2007-10-23 2009-04-30 Volkswagen Ag Einfülleinrichtung mit einem Einfüllstutzen an einem Waschflüssigkeitsbehälter in einem Fahrzeug
DE102008049183A1 (de) * 2008-09-26 2010-04-01 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeug mit einer verschließbaren Einfüllöffnung
EP2927040A1 (fr) * 2014-04-04 2015-10-07 Veritas Ag Tête de remplissage pour un réservoir de liquide
EP3042797A1 (fr) * 2015-01-07 2016-07-13 Peugeot Citroën Automobiles SA Dispositif d'inviolabilite de reservoir d'agent reducteur de vehicule automobile

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