EP3464030A1 - Procede de montage sous caisse d'un dispositif de pompe - Google Patents
Procede de montage sous caisse d'un dispositif de pompeInfo
- Publication number
- EP3464030A1 EP3464030A1 EP17729517.7A EP17729517A EP3464030A1 EP 3464030 A1 EP3464030 A1 EP 3464030A1 EP 17729517 A EP17729517 A EP 17729517A EP 3464030 A1 EP3464030 A1 EP 3464030A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump device
- front floor
- under
- underbody
- fuel
- 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- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000446 fuel Substances 0.000 claims description 39
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 12
- 239000002828 fuel tank Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 2
- 238000002513 implantation Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 101100096719 Arabidopsis thaliana SSL2 gene Proteins 0.000 description 2
- 101100366560 Panax ginseng SS10 gene Proteins 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000005534 acoustic noise Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/17—Understructures, i.e. chassis frame on which a vehicle body may be mounted forming fluid or electrical conduit means or having other means to accommodate the transmission of a force or signal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Definitions
- the invention relates to a method of mounting under a box of a pump device in a motor vehicle.
- the invention also relates to a fuel metering pump device of an additional heating boiler and a vehicle underbody equipped with such a pump device.
- the additional heating boilers were previously proposed by the car manufacturers to equip vehicles to circulate in areas of extreme cold.
- These boilers produce heat independently by burning fuel. They are therefore well suited for the remote control preheating function of the passenger compartment in winter, which can thus be offered with the engine off.
- the boiler is usually located in the front block of the vehicle and the hot air produced is blown into the passenger compartment.
- an underbody pipe is provided to connect the boiler to the vehicle fuel tank.
- the fuel tank is usually located under the second row of seats in a passenger vehicle.
- An electric pump called fuel metering pump must also be mounted in the connection between the boiler and the fuel tank. This pump is required to meter the amount of fuel to be supplied to the boiler based on heating requirements.
- Another known implementation provides in the fuel tank a dedicated housing in which the metering pump is inserted and is held mechanically by clipping.
- the pump is disposed against the outer wall of the reservoir, in a concavity-zone of the wall.
- This solution has the disadvantage of impacting the liter of the fuel tank.
- different tank models are available from car manufacturers for current vehicles based on modular platforms and this variability leads to a limitation on the possible level of standardization. This results in increased R & D and tooling costs and lower cost reductions.
- EP1238844B1 By the document EP1238844B1, it is also known an arrangement for fixing in a motor vehicle of a fuel line located under the body.
- the fixing solution proposed by EP1238844B1 aims at reducing the mechanical vibrations of the fuel line and the acoustic noises.
- a fuel pump and a filter forming part of the fuel pipe are housed in this arrangement which ensures their attachment to the body.
- the arrangement includes an elastic damping element surrounding the fuel line and held in place between the vehicle floor plate and a structural member of the arrangement. Such an arrangement is more suitable for a fuel supply pump of the engine than for an additional heating boiler fuel metering pump.
- the fuel metering pump must provide a much lower flow rate compared to that of the engine fuel pump and the level of vibration produced does not require the use of specific elastic damping means.
- This arrangement has the disadvantage of a large space due in particular to the presence of the elastic damping element surrounding the pump and the filter. This large size does not facilitate the implementation under the box and the holding of a ground clearance rating that must be respected between the bodies under the body and the floor plan.
- the present invention aims to provide a solution to the aforementioned drawbacks of the prior art by providing an underbody fuel pump assembly well suited for automated industrial production, offering a high level of standardization and which impacts the organs as little as possible. surrounding the vehicle.
- the invention relates to a method of mounting under a box of a pump device in a motor vehicle.
- the pump device is mounted under a floor before a base of the motor vehicle.
- the front floor in the current modular architectures is a modular area with low variability between the various vehicles of a range proposed by a car manufacturer. The method of the invention therefore allows a high level of standardization.
- the method comprises a step of setting up under the pump device at a predetermined location under the front floor and a mechanical fixing step of the device under the front floor, the predetermined location being located in a central part of the remote front floor of side rails of the underbody.
- This feature of the invention has the advantage of sheltering the pump device in the event of a side impact, thus avoiding a risk of fire by fuel leakage following the side impact.
- the implementation step comprises a substep of assembly preparation in which the pump device is installed in an automatic mounting frame-tooling and a sub-step of spatial matching under the box of this chassis-tooling with the underbody of the vehicle.
- the invention also relates to an additional heating boiler fuel metering pump device, able to be mounted under a floor before a motor vehicle by the implementation of the method of the invention briefly described above.
- the device comprises a fuel metering pump and a housing housing and protection in which is housed the pump, the housing housing and protection comprising mechanical fixing means of the device under the front floor of the vehicle.
- the invention relates to a modular motor vehicle base, comprising a front floor and equipped with different bodies located under the body.
- the fuel metering pump device briefly described above, equips the underbody and is mounted under the front floor in a central part thereof.
- the fuel metering pump device is mounted in the underbody under the front floor, between a stretcher reinforcement and a tunnel reinforcement located in said central portion.
- This implantation of the metering pump device between two underbody reinforcements has the advantage of increased protection of the device.
- the front floor comprises in its underbody side a concave portion in which is mounted the fuel metering pump device.
- the above feature may be implemented to facilitate the holding of a ground clearance rating that must comply with the bodies mounted under body relative to the plane of the roadway.
- the fuel metering pump device is connected to a fuel line between a fuel tank of the vehicle and an additional heating boiler.
- the invention also relates to a motor vehicle comprising the underbody briefly described above.
- Fig.1 is a partial view in partial view of a vehicle underbody according to the invention equipped with a pump device under the front floor;
- Fig.2 is a cross section of the base of Fig.1, at the implantation of the pump device;
- Fig.3 is a block diagram showing a succession of steps included in the method according to the invention;
- Fig.4 is a partial perspective view showing a mounting of a pump device according to the invention in a chassis-tool used in a step of the method according to the invention; and [0029] Fig.5 is a box view of a pump device according to the invention fixed under the front floor of the vehicle.
- the equipped base or platform 1 of the vehicle comprises a front block area 10, shown partially, in which is mounted the engine (not shown) , a front floor area 1 1 and a rear floor area 12.
- a front floor area 1 1 and a rear floor area 12 typically, in the front floor areas 1 1 and rear 12 of the vehicle are located in the passenger compartment of the front seat rows and rear (not shown).
- Front seat rails 1 1 a serving as a support for mounting the front seats of the vehicle are visible in the section of Fig.2.
- the front floor zone 1 1 comprises first and second side members or rocker 1 10 and 1 10 ', a front floor 1 1 1, the first and second longitudinal stretcher reinforcements 1 12 and 1 12', a floor tunnel 1 13 and first and second longitudinal tunnel reinforcements 1 14 and 1 14 '.
- the tunnel 1 13 having an inverted U shape is aligned on a central longitudinal axis of the vehicle and is covered with a coating 1 13a.
- the exhaust line 1 13b is housed in the tunnel 1 13.
- the pump device 13 is mounted at a location 13a which is located under the front floor 1 1 1.
- the location 13a is located in a central zone 14 of the front floor 1 1 substantially between the stretcher reinforcements 1 12 and 1 12 'of the base 1. More specifically, the location 13a is here between the stretcher reinforcement 1 12 and the tunnel reinforcement 1 14.
- This choice of implantation of the pump device 13 between the stretcher and tunnel reinforcements is advantageous because the pump device 13 can thus be placed in the passage of pipes 1 15, 1 15a, 1 15b between the front and the rear of the vehicle, and in particular in the passage of a fuel line 1 15a which feeds the additional heating boiler housed in the front block from the fuel tank 1 16 of the vehicle located at the rear of it.
- the distance from the side sill 1 10 and the implementation between the stretcher and tunnel reinforcements protect the pump device 13 and the pipes against side impacts.
- the ground clearance rating Dmin is the minimum distance that must be respected between the lowest point of the member concerned and the road surface. Indeed, in the vast majority of applications, the pump device 13 will be above a plane 1 12a of a lower face of the stretcher brace, plane 1 12a which respects the Dmin dimension.
- the invention provides the development in the front floor 1 1 1 of a form 1 1 1 a in concavity, along the Z + axis, which is shown in dashed line in FIG.
- This concave shape 1 1 1 a is then arranged to accommodate the pump device 13 and allow compliance with the Dmin dimension.
- the method comprises a first general step S1 which will allow the pump device 13 to be put in position 13a, before the mechanical fixing thereof in a step S2. .
- the general step S1 comprises two substeps SS10 and SS1 1.
- the pump device 13 and other bodies to be mounted underbody are installed in a frame-tooling of automatic assembly 2 said POM chassis for "Preparation of Mechanical Organs ".
- the sub-step SS10 is essentially performed by an operator using different tools.
- the installation positions of the device 13 and other members in the tooling frame 2 are defined spatially in a geometric reference (X, Y, Z), in correspondence with underbody mounting locations on the underbody. 1.
- step SS1 the chassis-tool 2 is raised by an elevator (not shown) and is locked in position under the base 1, the base 1 being suspended on a swing that moves from station to station in the production line. An under-space spatial mapping of the chassis-tool 2 with the underbody 1 is then obtained. The pump device 13 is thus in place under the front floor 1 1 1 facing the location 13a.
- This substep SS1 1 is performed in automatic mode and ends the general step S1.
- step S2 the mounting of the device 13 is completed by the mechanical attachment thereof under the front floor 1 1 1, as shown in Fig.5.
- pushing, crimping and screwing tools associated with the tooling frame 2, such as crimping tools 20 shown in FIG. 4 are automatically actuated to mechanically fix the pump device 13 at its location. 13a.
- the pump device 13 shown in Figs.4 and 5 is a fuel metering pump device for an additional heating boiler.
- the device 13 comprises a plastic housing 130 in which is housed a fuel metering pump 131.
- An impression having a shape corresponding to that of the pump 131 is provided in the housing 130 to receive and immobilize the pump 131 in position.
- the pump 131 is connected to the fuel line 1 15a and an electric cable 1 16 providing its power supply.
- the housing 130 covers the pump 131 and protects it against projections and possible shocks.
- the device 13 is fixed under the front floor 1 1 1 by two nuts 132 and a crimped plastic element 133a.
- the nuts 132 are screwed on studs welded to the front floor 1 1 1 in which are inserted fastening tabs 130a of the housing.
- the housing 130 is also attached to a pipe 1 15b by the crimped element 133a, the pipe 1 15b being fixed to the floor before 1 1 1 by other crimped elements 133b.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1654966A FR3052137B1 (fr) | 2016-06-01 | 2016-06-01 | Procede de montage sous caisse d'un dispositif de pompe |
| PCT/FR2017/051207 WO2017207888A1 (fr) | 2016-06-01 | 2017-05-18 | Procede de montage sous caisse d'un dispositif de pompe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3464030A1 true EP3464030A1 (fr) | 2019-04-10 |
Family
ID=57113459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17729517.7A Withdrawn EP3464030A1 (fr) | 2016-06-01 | 2017-05-18 | Procede de montage sous caisse d'un dispositif de pompe |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3464030A1 (fr) |
| FR (1) | FR3052137B1 (fr) |
| WO (1) | WO2017207888A1 (fr) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6167673A (ja) * | 1984-09-11 | 1986-04-07 | Nissan Motor Co Ltd | 自動車の車体構造 |
| JP2000168377A (ja) * | 1998-12-09 | 2000-06-20 | Suzuki Motor Corp | 車両のキャニスタ取付構造 |
| DE19860573A1 (de) * | 1998-12-29 | 2000-07-06 | Eberspaecher J Gmbh & Co | Brennstoffdosierpumpe für ein Heizgerät, insbesondere für einen Zuheizer oder eine Standheizung eines Kraftfahrzeuges |
| DE10110763A1 (de) * | 2001-03-07 | 2002-09-19 | Bayerische Motoren Werke Ag | Anordnung zur Halterung einer Kraftstoffleitung an einem Kraftfahrzeug |
| DE10125222A1 (de) * | 2001-05-23 | 2002-12-05 | Eberspaecher J Gmbh & Co | Dosierpumpeinrichtung, insbesondere für ein Heizgerät |
| JP3713624B2 (ja) * | 2001-10-19 | 2005-11-09 | マルヤス工業株式会社 | 燃料パイプ用冷却構造 |
| JP2007090934A (ja) * | 2005-09-27 | 2007-04-12 | Mazda Motor Corp | 車両の補機配設構造 |
| EP1710153A1 (fr) * | 2005-04-06 | 2006-10-11 | Mazda Motor Corporation | Arrangement structurel d'un dispositif secondaire d'un véhicule |
-
2016
- 2016-06-01 FR FR1654966A patent/FR3052137B1/fr active Active
-
2017
- 2017-05-18 EP EP17729517.7A patent/EP3464030A1/fr not_active Withdrawn
- 2017-05-18 WO PCT/FR2017/051207 patent/WO2017207888A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017207888A1 (fr) | 2017-12-07 |
| FR3052137A1 (fr) | 2017-12-08 |
| FR3052137B1 (fr) | 2019-03-29 |
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Owner name: PSA AUTOMOBILES SA |
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Effective date: 20200623 |