EP0789141B1 - Guidage d'air d'aspiration pour un moteur à combustion interne d'un véhicule automobile - Google Patents

Guidage d'air d'aspiration pour un moteur à combustion interne d'un véhicule automobile Download PDF

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Publication number
EP0789141B1
EP0789141B1 EP96120227A EP96120227A EP0789141B1 EP 0789141 B1 EP0789141 B1 EP 0789141B1 EP 96120227 A EP96120227 A EP 96120227A EP 96120227 A EP96120227 A EP 96120227A EP 0789141 B1 EP0789141 B1 EP 0789141B1
Authority
EP
European Patent Office
Prior art keywords
intake air
wing
air guide
plenum chamber
flap
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.)
Expired - Lifetime
Application number
EP96120227A
Other languages
German (de)
English (en)
Other versions
EP0789141A1 (fr
Inventor
Wolfgang Nobis
Michael Pleschberger
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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
Priority claimed from DE1996104352 external-priority patent/DE19604352A1/de
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0789141A1 publication Critical patent/EP0789141A1/fr
Application granted granted Critical
Publication of EP0789141B1 publication Critical patent/EP0789141B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10013—Means upstream of the air filter; Connection to the ambient air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/161—Arrangement of the air intake system in the engine compartment, e.g. with respect to the bonnet or the vehicle front face
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/08—Thermoplastics

Definitions

  • the invention relates to an intake air duct for an internal combustion engine of a motor vehicle with an air still room, in particular one Raw air shell of an intake air filter, according to the preamble of claim 1.
  • an intake air duct is, for example, in FR-A-59471.
  • the intake air filter 1 is located at the bottom, geodetically Air-calming space 4 raw air shell 5, in the above the calming space 4 a suitable filter element 6 is suspended.
  • the intake air filter 1 is closed off at the top by the so-called clean air tray 7, which is placed on the raw air tray 5 and in the usual the filter element 6 extends a bit into it.
  • the intake air filter in this area 1 is also not shown in section. Is shown in section, however the raw air shell 5 with the intake snorkel 2 opening therein as well as with the invention provided in a wall of the unfiltered air shell 5 Rotary flap 8.
  • this rotary valve 8 is in one geodetically extending wall 9 of the raw air shell 5 from bottom to top or the air calming room 4 is provided.
  • this rotary flap 8 with its guide housing 10 in a suitable recess 11 in the Wall 9 used, this recess 11 also as a passage opening 11 can be designated.
  • the guide housing 10 carries an axis of rotation 12 for the rotary flap 8 forming shaft 12 '. Through this wave 12 ' or by the axis of rotation 12, the rotary flap 8 is in two so-called wings 8a, 8b divided.
  • the rotary flap 8 can start are pivoted about the axis of rotation 12 from the position shown, the lower wing 8a with respect to the calming space 4 moved outside, while the upper wing 8b inwards, i. H. in the relaxation room 4 is pivoted into it. After executing this swivel movement the recess or passage opening 11 is opened.
  • the rotary flap 8 of its usual closed position is shown, in which it by a spring element 14 formed as a leg spring, the is supported on the one hand on the wing 8a and on the other hand on the guide housing 10, is held.
  • the recess 11 (or passage opening 11) in the Raw air tray 5 is thus tightly closed.
  • This causes the Rotary flap 8 is pivoted in the direction of arrow 13, d. H. the wing 8a moves outwards while at the same time the wing 8b swings inwards becomes.
  • the rotary flap 8 thus takes over two in a particularly advantageous manner Functions. Firstly, it is ensured that, for example, water is removed the calming room 4 can be removed, and that at the same time intake air for the internal combustion engine flow into the calming space 4 can, which is necessary, for example, if the motor vehicle is a drive through large and deep puddle and via the intake snorkel 2 water gets into the raw air tray 5 over a longer period of time. How namely the rotary flap 8 is located and in particular the wing 8b geodetically above the inlet opening of the intake snorkel, so that there is no danger when driving through a deep puddle, that through the open recess 11 also water in the intake air filter 1 or in the calming room 4.
  • Intake air filter 1 mostly at a relatively protected location within the Engine compartment of the motor vehicle, so that in the area of this rotary flap 8th No splashing water is guaranteed, even in unfavorable conditions is, which could penetrate into the raw air shell 5 according to the direction of arrow 16.
  • the rotary flap 8 is also with their guide housing 10 in a recess 11 in a wall 9 'of Raw air tray 5 arranged, but here it is the wall 9 ' the lower boundary wall of the unfiltered air tray 5 Splash of water splashing over the intake snorkel 2 into the relaxation room 4 arrives in equal parts on the two wings 8a, 8b Put down the rotary flap 8, causing the rotary flap to open automatically 8 would not take place. For this reason, the inward pivoting Wing 8b of the rotary flap 8 here against a possible accumulation of, for example Splashed off splash water.
  • This foreclosure is trained here in the form of a nozzle adapted to the dimensions of the wing 8b 17 ', which can be constructed from several so-called partition walls 17, however can deviate from this in the simplest case also a single one Partition wall 17 for partitioning the inwardly pivotable wing 8b be enough.
  • the connector 17 'with its partition or its partitions 17 on the guide housing 10 of the rotary flap 8 attached, or the guide housing 10 adjusts accordingly molded plastic injection molded part with molded nozzle 17 'or molded Partitions 17 is shown
  • Splash of water mentioned in the unfiltered air tray 5 collects this water u. a. on the wing 8a of the rotary valve 8 and causes its gravity that this rotary valve 8 opens.
  • the wing 8a is thus pivoted outwards again the wing 8b moves inwards - into the calming space 4.
  • the accumulated spray water can thus flow off, while according to arrow 16 intake air - without additional Splashing water - can get into the raw air tray 5 of the intake air filter 1.
  • the rotary flap 8 by the spring element 14 again in its pictorial brought closed position shown and held in this, so that then the intake air again as usual via the intake snorkel 2 into the intake air filter 1 arrives.
  • both of the previously described exemplary embodiments use the same Principle, namely that, for example, splashing water into the raw air tray 5 of the intake air filter passes through its force of gravity, the rotary flap 8 such opens that, on the one hand, the spray water flows out in the direction of arrow 15 can and at the same time an ambient air flow in the direction of the arrow 16 can be supplied.
  • the Rotary flap 8 in a wall 9 or 9 'of a so-called air calming space 4 is provided in the intake air duct of the internal combustion engine. Only through this gravity can penetrate, for example Splash water come into their own.
  • the guide housing 10 has a circumferential one Web 19 on which the here rectangular or square Rotary flap 8 with the edges of the wings 8a, 8b with the interposition of one attached to the edges of the sealing element 20.
  • Fig. 3b you can also see the arrangement of the designed as a leg spring Spring element 14, which is on the one hand on the guide housing 10th and on the other hand supports on the outside of the wing 8a, whereby the Rotary flap 8 is usually held in its closed position.
  • the spring force the spring element 14 is dimensioned such that when it accumulates of foreign substances, especially water on the inside of the Wing 8a described opening the rotary valve 8 according to the direction of the arrow 13 takes place.
  • FIG. 2 there is also an alternative Design of the nozzle 17 'shown in dashed lines.
  • a so-called sniffer valve 18 is provided at the deepest point of the raw air tray 5, over which still small amounts of spray water run off can.
  • a cooler 23 is arranged, in front of which there is an air collecting space 24. Not only is the cooler 23 supplied with cooling air from this air collecting space 24, but at the same time the intake air for the internal combustion engine which drives the motor vehicle and is arranged in the engine compartment 21 but is not shown is branched off. For this purpose, a branch duct 25 is provided above the cooler 23.
  • This branch channel 25 opens via an inflow opening 26 in a so-called.
  • Air calming space 4 which also has an outflow opening 28 which is followed by an intake duct 29 (see FIG. 5), which ultimately leads to the Suction system of the internal combustion engine leads.
  • the inflow opening 26 and the Outflow opening 28 are practical with respect to the calming space 4 arranged as far apart as possible. 5 shows is the inflow opening 26 at the left end and the outflow opening 28 at right end of the transversely in the engine compartment 21, d. H. transverse to the vehicle's longitudinal axis extending calming room 4.
  • the air calming space 4 has outer walls 9, one of which is one Has passage opening 11.
  • This passage opening 11 is usual closed by a rotary flap 8 so that the via the inflow opening 26 brought in intake air safely again via the outflow opening 28 is dissipated.
  • the passage opening 11 is located in that Outer wall 9 with the largest area, which is both near the inflow opening 26 and also a surface section lying near the outflow opening 28 owns.
  • the Passage opening 11 geodetically below with respect to the calming space is provided.
  • the rotary flap 8 can be rotated or pivoted about an axis of rotation 12 extending obliquely through this rotary flap. Since the axis of rotation 12 runs obliquely through the rotary flap 8 - in the exemplary embodiment shown here, the rotary flap 8 is approximately rectangular and the axis of rotation 12 coincides with the diagonal of this rectangle - two so-called rotary flap wings 8a, 8b are formed.
  • the rotary flap 8 is mounted on its axis of rotation 12 such that when this rotary flap 8 is pivoted, one rotary flap wing 8a can be pivoted outward in the direction of the arrow 13a, while the other rotary flap wing 8b inward as shown in the direction of the arrow 8b into the calming space 4 is pivoted.
  • the arrangement is such that the rotary flap wing 8a, which is pivoted outwards in the direction of the arrow 13a, has its area center of gravity FS a in the vicinity of the inflow opening 26, while the area center of gravity FS b of the rotary flap wing 8b, which in the direction of the arrow 13b is pivotable inwards, is in the vicinity of the outflow opening 28 (cf. FIG. 5).
  • the rotary flap 8 remains in the position closing the passage opening 11 shown in FIG. 4 under the action of a spring element 14, which will be explained briefly later .
  • a splash of spray water can also get into the air collecting space 24 and thus also into the branch duct 25.
  • This spray water then passes through the inflow opening 26 into the air calming space 4, where it impinges - possibly still gushing - in particular on the rotary flap wing 8a, since its area center of gravity FS a is located near the inflow opening 26.
  • This effect is intensified by the fact that splashing water penetrating into the calming chamber 4 strikes the rotary flap wing 8a, also in that the inflow opening 26 itself is channel-shaped and its mouth is aligned with the nearby rotary flap wing 8a.
  • the air calming space 4 or, in particular, the same Passage opening 11 at such a location within the engine compartment 21, where there is definitely no splashing water.
  • the rotary flap 8 therefore also performs two functions here. For one thing ensures that, for example, water, but also other foreign substances, that get into the intake air duct of the internal combustion engine, from the Calming room 4 can or can be removed, and that at the same time intake air for the internal combustion engine in the calming room 4 can flow in, which is necessary, for example, if that Motor vehicle should drive through a large and deep puddle and over the Air collection space 24 water in the branch duct over a longer period of time 25 arrives.
  • This spring element 14 can of course be of various types be formed, but it is particularly advantageous if this spring element 14 in the sense of a functional union at the same time as an axis of rotation 12 acts.
  • this spring element 14 can be used, for example, as Torsion spring rod be formed.
  • Torsion spring rod be formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Claims (8)

  1. Conduite d'aspiration d'air de moteur à combustion interne de véhicule automobile comportant une chambre de stabilisation d'air (4), notamment une coquille d'entrée d'air (5) d'un filtre à air d'aspiration (1),
    un volet pivotant (8), normalement maintenu en position de fermeture, s'ouvrant sous l'effet de l'accumulation de corps étrangers, notamment d'eau, en pivotant autour d'un axe (12),
    caractérisée en ce que
    le volet pivotant (8) est installé dans une paroi (9, 9') de la chambre de stabilisation d'air (4) et l'axe de rotation (12) forme deux ailes de volet (8a, 8b), l'aile (8a) sortant de la chambre de stabilisation d'air (4) et l'autre aile (8b) pénétrant par basculement dans la chambre de stabilisation d'air (4).
  2. Conduite d'aspiration d'air selon la revendication 1,
    caractérisée en ce que
    le volet pivotant (8) est prévu dans la paroi (9) de la chambre de stabilisation (4) qui s'étend de bas en haut.
  3. Conduite d'aspiration d'air selon l'une quelconque des revendications 1 ou 2,
    caractérisée en ce que
    l'aile (8b) du volet (8) qui bascule vers l'intérieur est protégée contre toute accumulation de corps étrangers.
  4. Conduite d'aspiration d'air selon la revendication 3,
    caractérisée en ce qu'
    au moins une cloison (17) est prévue dans la chambre de stabilisation (4) pour protéger l'aile (8b) basculant vers l'intérieur.
  5. Conduite d'aspiration d'air selon l'une quelconque des revendications précédentes,
    caractérisée par
    un élément à ressort (14) maintenant normalement le volet pivotant (8) en position de fermeture.
  6. Conduite d'aspiration d'air selon l'une quelconque des revendications précédentes, dans laquelle la chambre de stabilisation d'air (4) comporte un orifice d'alimentation (26) et, à une certaine distance de celui-ci un orifice de sortie (28), tandis que la paroi (9) de la chambre de stabilisation, qui s'étend principalement de bas en haut, comporte un passage ou découpe (11) normalement fermé par le volet pivotant (8),
    caractérisée en ce que
    l'axe de rotation (12), qui traverse en biais le volet pivotant (8), forme deux ailes de volet (8a, 8b), l'aile de volet (8a), dont le centre de gravité surfacique (FSa) est proche de l'orifice d'alimentation (26), pivote vers l'extérieur alors que l'autre aile de volet (8b), dont le centre de gravité surfacique (FSb) est proche de l'orifice de sortie (28), bascule vers l'intérieur.
  7. Conduite d'aspiration d'air selon la revendication 6,
    caractérisée en ce que
    l'orifice d'alimentation (26) est en forme de canal et son embouchure est dirigée vers l'aile de volet pivotant (8a) la plus proche.
  8. Conduite d'aspiration d'air selon l'une quelconque des revendications 6 ou 7,
    caractérisée par
    un élément à ressort (14) qui maintient le volet pivotant (8) normalement dans une position fermant le passage (11), cet élément à ressort étant une tige élastique de torsion constituant en même temps l'axe de rotation (12).
EP96120227A 1996-02-07 1996-12-17 Guidage d'air d'aspiration pour un moteur à combustion interne d'un véhicule automobile Expired - Lifetime EP0789141B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19604352 1996-02-07
DE1996104352 DE19604352A1 (de) 1996-02-07 1996-02-07 Ansaugluftführung für eine Brennkraftmaschine eines Kraftfahrzeuges
DE19604353 1996-02-07
DE19604353A DE19604353A1 (de) 1996-02-07 1996-02-07 Ansaugluftführung für eine Brennkraftmaschine eines Kraftfahrzeuges

Publications (2)

Publication Number Publication Date
EP0789141A1 EP0789141A1 (fr) 1997-08-13
EP0789141B1 true EP0789141B1 (fr) 2001-05-30

Family

ID=26022685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96120227A Expired - Lifetime EP0789141B1 (fr) 1996-02-07 1996-12-17 Guidage d'air d'aspiration pour un moteur à combustion interne d'un véhicule automobile

Country Status (2)

Country Link
EP (1) EP0789141B1 (fr)
DE (2) DE19604353A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19737545A1 (de) * 1997-08-28 1999-03-04 Bosch Gmbh Robert Ansaugeinrichtung, insbesondere für Brennkraftmaschinen in Kraftfahrzeugen
DE10028956A1 (de) * 2000-06-16 2001-12-13 Mann & Hummel Filter Luftfiltersystem
WO2008116871A1 (fr) * 2007-03-28 2008-10-02 Mahle International Gmbh Installation d'air frais
DE102007017428A1 (de) * 2007-04-13 2008-10-16 GM Global Technology Operations, Inc., Detroit Ansaugschnorchel eines Luftansaugtrakts zum Ansaugen von Verbrennungsluft für eine Brennkraftmaschine
FR2929341B1 (fr) * 2008-03-28 2012-04-20 Peugeot Citroen Automobiles Sa Dispositif d'admission d'air dans un moteur
DE102009058161A1 (de) * 2009-12-15 2011-06-16 Mann + Hummel Gmbh Ansaugvorrichtung einer Brennkraftmaschine
CN106014713B (zh) * 2016-05-25 2018-10-30 东南大学 一种fsae赛车jh600发动机专用进排气系统
DE102023201284A1 (de) 2023-02-15 2024-08-22 Volkswagen Aktiengesellschaft Vorrichtung zur Beeinflussung eines Luftstroms

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1641746A (en) * 1926-04-29 1927-09-06 Frank A Donaldson Air cleaner
FR59471E (fr) * 1949-08-16 1954-05-25 Sncf Procédé et dispositif de filtrage
JPS6033323Y2 (ja) * 1981-08-26 1985-10-04 川崎重工業株式会社 エアクリ−ナ
DE3736777C1 (en) * 1987-10-30 1988-12-15 Daimler Benz Ag Device for avoiding the ingress of water into an air filter housing
DE4408097A1 (de) * 1994-03-10 1995-09-14 Bayerische Motoren Werke Ag Luftansaugsystem für eine in einem Kraftfahrzeug eingebaute Brennkraftmaschine

Also Published As

Publication number Publication date
EP0789141A1 (fr) 1997-08-13
DE59607003D1 (de) 2001-07-05
DE19604353A1 (de) 1997-10-23

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