WO2004035370A1 - Aggregateraum in einem kraftfahrzeug - Google Patents
Aggregateraum in einem kraftfahrzeug Download PDFInfo
- Publication number
- WO2004035370A1 WO2004035370A1 PCT/EP2003/010391 EP0310391W WO2004035370A1 WO 2004035370 A1 WO2004035370 A1 WO 2004035370A1 EP 0310391 W EP0310391 W EP 0310391W WO 2004035370 A1 WO2004035370 A1 WO 2004035370A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- opening
- air
- seal
- hood
- lower shell
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/081—Cowls
Definitions
- the invention relates to a unit space in a motor vehicle for accommodating operating units according to the preamble of claim 1.
- a known assembly room of this type (DE 26 41 444 C2) is bounded at the rear by the end wall separating the passenger compartment from the engine compartment and at the front by a partition wall running transversely in the engine compartment and is closed off by a total of two further longitudinal walls and a floor and has only one the access opening facing the hood for access to the units housed in the engine room, which is exposed after the hood is opened.
- the engine compartment On the front edge facing the bonnet, the engine compartment has a circumferential seal surrounding the access opening, onto which a lower shell attached to the underside of the engine hood is pressed when the engine hood is closed, thus sealing the engine compartment gas-tight from the engine compartment.
- An air passage opening is arranged in the bottom of the shell in a bottom region which lies within the circumferential seal.
- an air inlet opening is introduced, via which the lower shell is connected to a storage space into which air flows through a wide gap between the rear edge of the hood and the windshield.
- the in via the air inlet opening and air outlet opening in the lower shell The ram air entering the unit space flows through it, the units arranged here being ventilated, and flows out into the environment again via at least one exhaust air opening.
- the exhaust air opening opens into a longitudinal joint of the bonnet and is arranged at a point on the bonnet where a large negative pressure occurs.
- the air inlet opening is provided where the airstream builds up, so that air introduced into the unit space with excess pressure is sucked out again by negative pressure at the exhaust air opening.
- the air inlet opening is arranged in the vicinity of a fresh air inlet for the passenger compartment, through which fresh air is drawn in by a blower, for example an air conditioning system.
- a non-return flap is provided in the lower shell, which automatically closes the air inlet opening in the lower shell when the ventilation blower is fully switched on.
- a housing shaft is arranged, which is sealed on the one hand with a seal enclosing the air inlet opening in the bonnet against the bonnet and on the other hand with a seal enclosing the end wall opening against the end wall.
- a water separator is arranged in the housing shaft, and a water drain for the water separated from the air is provided at the lowest point of the shaft floor.
- the water separator is designed as a bulkhead on which the air flowing into the housing shaft is deflected by approximately 90 °. There- at the water droplets present in the air are deposited on the bulkhead and drip down to the bottom of the shaft.
- the invention has for its object to provide an assembly room of the type mentioned with an air supply for the fresh air supply of an air consumer arranged in the passenger compartment, e.g. a ventilation fan for the passenger compartment or a fan of an air conditioner.
- the unit space according to the invention has the advantage of a combination of the fresh air supply to the passenger compartment that is cost-effective in terms of production costs and an easily accessible receptacle for various operating units and components, such as the battery, lines, actuator and wiper motor, around which fresh air flows.
- a separate air supply device as provided in DE 197 34 146 AI, is unnecessary, so that the installation space to be kept in the engine compartment is reduced to a considerable extent by omitting the air supply device.
- the unit space according to the invention is particularly suitable for vehicles of the compact class due to its very small space requirement.
- the integrated water separator ensures a very good dehumidification of the air entering the passenger compartment or the air conditioning system.
- a lower shell which covers the air inlet opening in the bonnet and is sealed against the bonnet, which can be placed on the circulation seal surrounding the access opening and has an air passage opening within its area enclosed by the circulation seal.
- the lower shell is preferably fastened to the underside of the bonnet and consists of sheet metal, it being possible for the inner cowl sheet to be shaped as a lower shell in the region of the assembly space, so that no additional component is necessary for the lower shell.
- a collar-shaped cover is arranged with a circumferential flange that continues on the collar edge.
- the cover lies with its flange on the circumferential seal and carries a shell seal on its front edge remote from the flange, onto which the lower shell can be pressed.
- the size of the lower shell is determined by the clear cross-section of the air inlet opening in the hood, and the cover adapts the smaller lower shell to the size of the access opening of the engine compartment, so that the engine compartment receives only air through the air inlet opening in the engine hood and the penetration of false air is reliably prevented from the engine compartment. If the air inlet opening in the hood lies directly above the engine room so that it is surrounded by the access opening of the engine room, the lower shell is dispensed with according to an advantageous embodiment of the invention and the access opening is sealed with a cover directly on the inside of the engine hood.
- a cover covering the air inlet opening in the bonnet is provided, which lies on the circumferential seal and can be sealed against the bonnet by means of a circumferential bonnet seal surrounding the air inlet opening.
- the cover Within its area enclosed by the circumferential seal, the cover has an air passage opening and a water separator.
- a lower shell covering the air inlet opening in the bonnet, sealed against the bonnet and a cover which can be sealed against the lower shell by means of a shell seal are provided, which lies with a circumferential flange on the circumferential seal and within its area enclosed by the circumferential seal Has air passage opening.
- the water separator is integrated in the cover and the lower shell carries an air passage opening within the area enclosed by the shell seal.
- FIG. 2 shows a cross section (x-plane) of the aggregate space in FIG. 1,
- FIGS. 1 and 2 shows a plan view (z-direction) of an engine hood covering the unit space in FIGS. 1 and 2 with seals to the unit space,
- FIGS. 1 and 5 shows the same representation as in FIGS. 1 and 5 of two modifications of the assembly room
- FIG. 6 shows a longitudinal section (y-plane) of an aggregate space according to a further exemplary embodiment
- FIG. 7 shows a cross section (x-plane) of the aggregate space in FIG. 7,
- an assembly space 10 for a motor vehicle having an engine compartment 11 and a passenger compartment 12 is connected to the passenger compartment 12 by a compartment 12 that seals off the passenger compartment 12 from the engine compartment 11 End wall 13 and on the opposite side by a transverse partition 14 in the engine compartment 11.
- the two long sides of the assembly room 10 are of additional Wall plates 33, 34, 35 (Fig. 2) formed, which are connected to the end wall 13 and partition 14 and a bottom 36 that the unit space 10 is closed except for an upper access opening 15 all around.
- the end wall 13 is provided with an end wall opening 16, to which the intake port of a blower is usually connected.
- the blower not shown here, can be a simple ventilation blower for ventilating the passenger compartment 12 or a blower integrated in an air conditioning system for the passenger compartment 12.
- the engine compartment 11 is covered in a known manner by a hood 17.
- a hood 17 As a result of the constructional measures described below, when the bonnet 17 is closed, the engine room 10 is sealed gas-tight with respect to the engine room 11, so that no air can penetrate into the engine room 10 through the engine room 11.
- the access opening 15 of the assembly room 10 When the bonnet 17 is open, the access opening 15 of the assembly room 10 is exposed, so that operating assemblies of the motor vehicle, such as a motor vehicle battery 18 shown here as an example, are freely accessible for assembly, disassembly and maintenance in the assembly room 10.
- the windshield or front window 19 of the motor vehicle and a water collecting channel 20 formed between the front window 19 and the rear edge 171 of the bonnet 17 are also indicated on the left in FIG. 1.
- An air inlet opening 21 is provided in the hood 17, which is usually double-walled with a hood inner panel, and extends at a distance in front of the rear edge 171 of the hood 17, parallel to it, across the hood 17 (FIG. 3).
- the air inlet opening 21 is usually covered with a coarse-mesh grid 22.
- the air inlet opening 21 is covered by a lower shell 23 fastened to the hood inner panel, which by means of an air inlet opening 21 surrounding seal 42 is sealed against the underside of the hood 17.
- the lower shell 23 is attached as a separate component to the underside of the hood 17 and is preferably made of sheet metal. However, there is also the possibility of adapting the inner hood sheet so that it forms the lower shell 23.
- the lower shell 23 is trough-shaped with a flat trough bottom 25 which has an air passage opening 24 and with a flange-like trough edge 26 running around the trough opening.
- a cover 27 is inserted between the lower shell 23 and the assembly space 10, which has a circumferential collar 28 and a circumferential flange 29 protruding at a right angle from the one collar end.
- a shell seal 30 is attached to the end of the collar 28 remote from the running flange, on which the lower shell 23 rests with its tub rim 26 when the bonnet 17 is closed, while the peripheral flange 29 of the cover 27 is pressed onto a peripheral seal 31, which seals the access opening 15 of the unit space 10 encloses.
- the circumferential seal 31 is placed on the circumferential end edge of the unit space 10 facing the bonnet 17, that is to say directly on the partition wall 14 and on the other hand on a wall plate 32 firmly connected to the end wall 13 and on the further wall plates 33 and 34, 35 delimiting the assembly space 10 (FIG. 2).
- the wall plate 35 connects the floor 36 of the unit space 10 to a side member 37.
- the wall plate 34 is fastened to the side member 37 and carries part of the circumferential seal 31 on its free end edge pointing away from the side member 37.
- the course of the seals 42, 30 and 31 in Assignment to the air inlet opening 21 arranged in the bonnet 17 can be seen particularly well in FIG. 3.
- a water separator 38 is integrated in the cover 27, on which the air entering the unit space 10 via the air inlet opening 21 in the engine hood 17 and the air passage opening 24 in the lower shell 23 is deflected by more than 90 ° before it passes through the one air outlet opening 43 of the aggregate space 10 forming end wall opening 17 in the end wall 13 can flow out of the aggregate space 10.
- Water droplets contained in the air are separated from the water separator 38 and, due to the formation of the water separator 38, drip vertically downward onto the floor 36 of the unit space 10.
- a water drain 39 is provided there at the lowest point.
- the integrated water separator 38 is formed by an air guide plate 40, which projects from the end of the collar-shaped cover 27 carrying the circulating flange 29 through the access opening 15 into the assembly space 10 and is oriented obliquely with respect to the vertical axis of the access opening 15.
- an angled web 401 can also be provided, which causes increased air turbulence and promotes the condensation of the atomized water droplets.
- the web 401 forms at the same time as the air guide plate 40 a water drainage channel 20, by means of which the precipitating water is guided to the side of the unit space 10 on which the water drainage 39 is arranged.
- the air baffle 40 is oriented such that it extends over a large part of the access opening 15 and the exhaust air opening 43 of the unit space 10, which is identical to the end wall opening 16, lies on the rear side of the air baffle plate 40 facing away from the air passage opening 24 in the lower shell 23, so that the air is deflected to the maximum and flows around the operating units arranged in the unit space 10 before it reaches the air consumer via the front wall opening 16.
- the air inlet opening 21 in the bonnet 17 is covered by a lower shell 23, which is sealed against the bonnet 17 by a seal 42 surrounding the air inlet opening 21 and is fastened thereon ,
- the lower shell 23 in turn has a trough bottom 25 'and a trough edge 26 surrounding the trough opening in a flange-like manner.
- the lower shell 23 lies gas-tight on the circumferential seal 31 with its rim 26, which surrounds the access opening 15 of the unit space 10.
- the circulation seal 31 is in turn placed on the hood 17 facing end edge of the unit space 10.
- the water separator 38 is formed in the lower shell 23 and has an air guide plate 40, which in turn protrudes from the lower shell 23 through the access opening 15 and extends obliquely to the axis of the access opening 15 and which is at a distance from the front wall opening 16 or the exhaust air opening 43 of the unit space 10 extends so that the air that passes through the air passage opening 24, which is still present in the lower shell 23, must flow around the air guide plate 40 before it reaches the end wall opening 16.
- the tub floor 25 ' is not flat, but rather projects like a pent roof with a narrow roof area 251' and a wide roof area 252 '. like an underlying ridge 253 'through the access opening 15.
- the air passage opening 24 is arranged in the narrow roof surface 251 'at a distance from the roof ridge 253', and the wide roof surface 252 'forms the air guide plate 40.
- the aggregate space 10 shown in FIG. 5 differs from the aggregate space 10 previously shown in FIG. 4 only in that, in addition to the lower shell 23 in which the water separator 38 is integrated, a cover 27 is also provided, as is also the case Fig. 1 has been described, but does not include the water separator 38 here.
- the in turn collar-shaped cover 27 with a circumferential collar 28 carries the circumferential flange 29 at its one collar edge and the shell seal 30 at its other free front end, onto which the lower shell 23 with its trough edge 26 is pressed when the bonnet 17 is closed.
- the tub rim 26 of the lower shell 23 is fastened in the same way via the seal 42 to the underside of the bonnet 17.
- the lower shell 23 containing the water separator 38 is constructed identically to that described in FIG. 4, so that reference is made to this. The same parts are again provided with the same reference numerals.
- the unit space 10 sketched in longitudinal and cross-section in FIGS. 6 and 7 differs from the unit space 10 shown and described in FIG. 1 in that the lower shell 23 is omitted and the cover 27 of the unit space 10 is located directly on the underside of the hood 17 is sealed.
- the same components are therefore again provided with the same reference numerals.
- the cover 27 covering the access opening 15 in this way has an air passage opening 45 and a water separator 38.
- an air guide plate 40 is cut out of a cover surface spanning the clear opening within the collar 28 and bent out of the cover surface in such a way that it projects through the access opening 15 and extends obliquely to the axis of the access opening 15.
- the nebulized water droplets which are deposited on the air guide plate 40 from the moist air, drip off as condensation water drops to the bottom 36 of the unit space 10.
- the unit space 10 can be designed as a separate plastic box open at the top, which is mounted between the end wall 13 and the partition wall 14.
- the drain opening 43 is then arranged in the box wall abutting the end wall 13 in such a way that it is congruent with the end wall opening 16.
- the water drain 39 is introduced, which can be designed as a simple hole or as an outwardly projecting nozzle.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Superstructure Of Vehicle (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03808694A EP1551687A1 (de) | 2002-10-16 | 2003-09-18 | Aggregateraum in einem kraftfahrzeug |
JP2004544031A JP2006502905A (ja) | 2002-10-16 | 2003-09-18 | 自動車内の部品用空間 |
US10/530,764 US20060232106A1 (en) | 2002-10-16 | 2003-09-18 | Unit area in a motor vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10248188.1 | 2002-10-16 | ||
DE10248188A DE10248188B4 (de) | 2002-10-16 | 2002-10-16 | Aggregateraum in einem Kraftfahrzeug |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004035370A1 true WO2004035370A1 (de) | 2004-04-29 |
Family
ID=32086928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/010391 WO2004035370A1 (de) | 2002-10-16 | 2003-09-18 | Aggregateraum in einem kraftfahrzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060232106A1 (de) |
EP (1) | EP1551687A1 (de) |
JP (1) | JP2006502905A (de) |
DE (1) | DE10248188B4 (de) |
WO (1) | WO2004035370A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008052251A1 (de) * | 2008-10-18 | 2010-04-22 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Fahrzeugkarosserie |
DE102011011253A1 (de) * | 2011-02-15 | 2012-08-16 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Lufteinlass zur Belüftung der Fahrgastzelle eines Kraftfahrzeuges |
DE102011105126A1 (de) * | 2011-06-21 | 2012-12-27 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Wasseraufnahmeeinrichtung für ein Fahrzeug, Wasseraufnahmesystem und Kraftfahrzeug |
DE102013106527A1 (de) * | 2013-06-21 | 2014-12-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motorraumanordnung für ein Kraftfahrzeug |
DE102013017183B4 (de) * | 2013-10-15 | 2017-03-02 | Audi Ag | Luftkanal für ein Fahrzeug |
CH708786A2 (de) | 2013-10-23 | 2015-04-30 | Weidmann Plastics Tech Ag | Kraftfahrzeug mit einer Zusatzkühlung. |
DE102014221156A1 (de) * | 2014-10-17 | 2016-04-21 | Bayerische Motoren Werke Aktiengesellschaft | Kraftfahrzeug mit einem innerhalb der Karosserie gelegenen Aggregateraum |
FR3059623B1 (fr) * | 2016-12-06 | 2019-01-25 | Peugeot Citroen Automobiles Sa | Dispositif d’auvent d’un vehicule a capot deflecteur de protection contre les eaux de ruissellement notamment d’un moteur d’entrainement d’essuie-glace |
DE102019128524A1 (de) * | 2019-10-22 | 2021-04-22 | Audi Ag | Kraftfahrzeug mit im Bereich vor der Windschutzscheibe angeordnetem Wasserkasten |
JP7290613B2 (ja) * | 2020-08-25 | 2023-06-13 | トヨタ自動車株式会社 | 車両 |
JP2022134827A (ja) * | 2021-03-04 | 2022-09-15 | マツダ株式会社 | 車両のカウルグリル構造 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3843194A (en) * | 1971-11-17 | 1974-10-22 | Nissan Motor | Vehicle body cowl |
US4721032A (en) * | 1985-08-05 | 1988-01-26 | Mazada Motor Corporation | Arrangements for forming automobile cowl structures |
JPS6430888A (en) * | 1987-07-28 | 1989-02-01 | Mazda Motor | Air intake structure of automobile |
FR2623455A1 (fr) * | 1987-11-25 | 1989-05-26 | Peugeot | Dispositif de canalisation de l'eau de pluie pour caisson d'auvent de vehicule automobile |
DE19811189C1 (de) * | 1998-03-14 | 1999-09-16 | Daimler Chrysler Ag | Fahrzeugkarosserie |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2641444C2 (de) * | 1976-09-15 | 1985-04-04 | Daimler-Benz Ag, 7000 Stuttgart | Aggregateraum für Kraftwagen |
DE19734146C2 (de) * | 1997-08-07 | 2000-11-23 | Daimler Chrysler Ag | Luftzuführeinrichtung |
-
2002
- 2002-10-16 DE DE10248188A patent/DE10248188B4/de not_active Expired - Fee Related
-
2003
- 2003-09-18 EP EP03808694A patent/EP1551687A1/de not_active Withdrawn
- 2003-09-18 JP JP2004544031A patent/JP2006502905A/ja not_active Abandoned
- 2003-09-18 WO PCT/EP2003/010391 patent/WO2004035370A1/de not_active Application Discontinuation
- 2003-09-18 US US10/530,764 patent/US20060232106A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3843194A (en) * | 1971-11-17 | 1974-10-22 | Nissan Motor | Vehicle body cowl |
US4721032A (en) * | 1985-08-05 | 1988-01-26 | Mazada Motor Corporation | Arrangements for forming automobile cowl structures |
JPS6430888A (en) * | 1987-07-28 | 1989-02-01 | Mazda Motor | Air intake structure of automobile |
FR2623455A1 (fr) * | 1987-11-25 | 1989-05-26 | Peugeot | Dispositif de canalisation de l'eau de pluie pour caisson d'auvent de vehicule automobile |
DE19811189C1 (de) * | 1998-03-14 | 1999-09-16 | Daimler Chrysler Ag | Fahrzeugkarosserie |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 013, no. 206 (M - 826) 16 May 1989 (1989-05-16) * |
Also Published As
Publication number | Publication date |
---|---|
DE10248188A1 (de) | 2004-05-06 |
US20060232106A1 (en) | 2006-10-19 |
JP2006502905A (ja) | 2006-01-26 |
EP1551687A1 (de) | 2005-07-13 |
DE10248188B4 (de) | 2008-10-02 |
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