FR2895460A1 - Power train`s distribution and/or accessory element e.g. main pulley, safety hood for motor vehicle, has assembly comprising main pulley which engages secondary pulley connected to axle of alternator by belt - Google Patents

Power train`s distribution and/or accessory element e.g. main pulley, safety hood for motor vehicle, has assembly comprising main pulley which engages secondary pulley connected to axle of alternator by belt Download PDF

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Publication number
FR2895460A1
FR2895460A1 FR0554024A FR0554024A FR2895460A1 FR 2895460 A1 FR2895460 A1 FR 2895460A1 FR 0554024 A FR0554024 A FR 0554024A FR 0554024 A FR0554024 A FR 0554024A FR 2895460 A1 FR2895460 A1 FR 2895460A1
Authority
FR
France
Prior art keywords
main pulley
protective housing
assembly
belt
pulley
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Withdrawn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
FR0554024A
Other languages
French (fr)
Inventor
Patrick Rudeau
Belen Lahaye
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR0554024A priority Critical patent/FR2895460A1/en
Priority to PCT/FR2006/051398 priority patent/WO2007074293A2/en
Publication of FR2895460A1 publication Critical patent/FR2895460A1/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00Casings, e.g. crankcases or frames
    • F02F7/0095Constructing engine casings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00Casings, e.g. crankcases or frames
    • F02F7/0065Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/0073Adaptations for fitting the engine, e.g. front-plates or bell-housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/024Air cleaners using filters, e.g. moistened
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/005Other engines having horizontal cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00Casings, e.g. crankcases or frames
    • F02F7/006Camshaft or pushrod housings

Abstract

The hood has an internal combustion engine (4), and an assembly comprising a main pulley which engages a secondary pulley connected to an axle of an alternator (6) by a belt (15). An intake circuit (3) comprises an air strainer (10) which is integrated in the hood, where the strainer comprises a filter element (18). The intake circuit guides intake air introduced by the strainer towards an intake collector.

Description

CARTER DE PROTECTION D'UN GROUPE MOTO-PROPULSEURPROTECTIVE HOUSING OF A MOTOR-PROPELLER GROUP

L'invention concerne un carter de protection d'un groupe moto-propulseur de véhicule automobile comportant : - un moteur, - un ensemble comportant une poulie principale qui peut engrener au moins une poulie secondaire reliée à un axe d'un élément par au moins une courroie, io - un circuit d'admission comportant au moins un filtre à air. Il est bien connu dans l'état de la technique qu'un groupe moto-propulseur peut disposer de plusieurs carters de façon à protéger des éléments de distribution et/ou d'accessoires tels qu'une courroie de distribution et un alternateur. Ces pièces sont 15 indépendantes et utilisent un volume d'encombrement important au niveau de l'emplacement du groupe moto-propulseur. Afin de pallier ces inconvénients, l'invention a pour objet d'améliorer la compacité de différents éléments d'un groupe moto-propulseur pour son intégration dans un véhicule automobile.  The invention relates to a protective casing for a motor-driven power unit of a motor vehicle comprising: - a motor, - an assembly comprising a main pulley which can engage at least one secondary pulley connected to an axis of an element by at least one a belt, - an intake circuit comprising at least one air filter. It is well known in the state of the art that a powertrain group can have several housings so as to protect distribution elements and / or accessories such as a timing belt and an alternator. These parts are independent and use a large volume of space at the location of the powertrain. In order to overcome these disadvantages, the object of the invention is to improve the compactness of various elements of a powertrain for its integration into a motor vehicle.

20 L'invention a aussi pour objet d'optimiser l'intégration d'un groupe moto-propulseur sous un plancher d'un véhicule automobile. A cet effet, l'invention propose un carter du type cité ci-dessus, caractérisé en ce que le carter de protection porte le filtre à air.The invention also aims to optimize the integration of a powertrain under a floor of a motor vehicle. For this purpose, the invention proposes a casing of the type mentioned above, characterized in that the protective casing carries the air filter.

25 Selon d'autres caractéristiques de l'invention, le filtre à air est intégré au carter de protection. Selon d'autres caractéristiques de l'invention, le carter de protection protège au moins une partie de l'ensemble. Selon d'autres caractéristiques de l'invention, le carter de 30 protection protège la courroie. Selon d'autres caractéristiques de l'invention, le carter de protection protège la poulie principale. -2- Selon d'autres caractéristiques de l'invention, le carter de protection protège au moins un élément tel qu'un accessoire, une distribution. Selon d'autres caractéristiques de l'invention, le carter de protection protège au moins une partie du circuit d'admission. Selon d'autres caractéristiques de l'invention, le carter de protection porte au moins une partie du circuit d'admission et/ou au moins une partie de l'ensemble et/ou au moins un accessoire et/ou la distribution du moteur. io Selon d'autres caractéristiques de l'invention, le carter de protection comporte une cartouche filtrante du filtre à air. Selon d'autres caractéristiques de l'invention, le carter de protection est fixé sur le moteur par des moyens de fixation antivibratoire.According to other characteristics of the invention, the air filter is integrated in the protective casing. According to other characteristics of the invention, the protective casing protects at least part of the assembly. According to other features of the invention, the protective casing protects the belt. According to other features of the invention, the protective housing protects the main pulley. According to other features of the invention, the protective casing protects at least one element such as an accessory, a distribution. According to other characteristics of the invention, the protective casing protects at least part of the intake circuit. According to other features of the invention, the protective casing carries at least a portion of the intake circuit and / or at least a part of the assembly and / or at least one accessory and / or the distribution of the engine. According to other features of the invention, the protective casing comprises a filter cartridge of the air filter. According to other features of the invention, the protective casing is fixed to the motor by antivibration fixing means.

15 D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description d'exemples de réalisation en référence aux figures annexées. La figure 1 représente un groupe moto-propulseur comportant un carter de protection selon un mode de réalisation de 20 l'invention. La figure 2 représente un carter de protection selon un mode de réalisation de l'invention. Dans la description qui suit, nous prendrons à titre non limitatif une orientation longitudinale, vertical et transversale indiquée 25 par le trièdre L, V, T des figures 1 à 2. Des éléments identiques ou analogues sont désignés par les mêmes chiffres de référence. Tel que représenté à la figure 1, un groupe moto-propulseur 1 comporte, en particulier, un moteur 4 à combustion interne, un 30 circuit d'admission 3, un circuit d'échappement 5, au moins un accessoire tel qu'un alternateur 6, un compresseur de climatisation 2, une transmission 7, un carter de protection 11. Le moteur 4 comporte une partie mobile qui comporte une distribution (non représentée) et un -3 vilebrequin (non représenté) auquel est reliée une poulie principale 16 d'un ensemble 14. Cette poulie principale 16 peut engrener au moins une poulie secondaire 17 reliée à un axe D d'un élément tel qu'un accessoire, l'alternateur 6 par une courroie 15. L'ensemble 14 peut comporter au moins un galet tendeur 13 de façon à exercer une tension sur la courroie 15. Tel que représentée aux figures 1 et 2, l'ensemble 14 comporte trois galets tendeurs 13. Selon un mode de réalisation de l'invention, le groupe io moto-propulseur 3 peut être agencé sous le plancher et à l'arrière du véhicule. La culasse 21 peut être localisée vers l'avant du véhicule et l'axe de la transmission 7 peut être localisé à l'arrière du véhicule. L'axe des cylindres et le plan défini par l'axe longitudinal L et l'axe transversal T is définissent un angle qui peut être compris entre -10 et +10 . Tel que représenté à la figure 1, l'angle est sensiblement égal à 0 . Tel que représenté à la figure 1, le circuit d'admission 3 comporte au moins un conduit d'admission 20 9, un collecteur d'admission 8, un filtre à air 10. De manière bien connue, le filtre air 10 empêche la poussière contenue dans l'air d'admission de pénétrer dans le moteur 4 et en limite ainsi l'usure. Le conduit d'admission 9 guide l'air d'admission introduit par le filtre à air 10 vers le 25 collecteur d'admission 8. Tel que représenté à la figure 1, le carter de protection 11 porte le filtre à air 10. Plus précisément, le filtre à air 10 est intégré au carter de protection 11. Le carter de protection 11 est dimensionné de telle 30 façon qu'il protège au moins une partie du circuit d'admission 3 et/ou au moins une partie de l'ensemble 14 et/ou au moins un accessoire et /ou une distribution. Le carter de protection peut également porter au moins un de ces éléments. -4- Tel que représenté à la figure 2, le carter de protection 11 protège au moins partiellement l'alternateur 6, la poulie principale 16, la courroie 15, le conduit d'admission 9, des galets tendeurs 13 en particulier des salissures, des bruits du groupe moto-propulseur 1. De plus, trois galets tendeurs 13, la poulie principale 16 et le compresseur de climatisation 2 sont portés par le carter de protection 11. Le filtre à air 10 dispose d'une cartouche filtrante 18 io qui peut être accessible, par exemple, par un tiroir. Le carter de protection 11 est fixé sur le moteur 4 par des moyens de fixation (non représentés) qui ont une fonction anti-vibratoire. Par exemple, des plots en caoutchouc peuvent être utilisés.Other characteristics and advantages of the invention will appear on reading the description of exemplary embodiments with reference to the appended figures. Figure 1 shows a power unit having a protective casing according to one embodiment of the invention. FIG. 2 represents a protective casing according to one embodiment of the invention. In the following description, we will take a non-limiting, longitudinal, vertical and transverse orientation indicated by the trihedron L, V, T of Figures 1 to 2. Identical elements or the like are designated by the same reference numerals. As represented in FIG. 1, a powertrain 1 comprises, in particular, an internal combustion engine 4, an intake circuit 3, an exhaust system 5, at least one accessory such as an alternator 6, an air conditioning compressor 2, a transmission 7, a protective casing 11. The motor 4 comprises a movable part which comprises a distribution (not shown) and a crankshaft (not shown) to which is connected a main pulley 16 of This main pulley 16 can mesh with at least one secondary pulley 17 connected to an axis D of an element such as an accessory, the alternator 6 with a belt 15. The assembly 14 can comprise at least one tensioner roller 13 so as to exert tension on the belt 15. As shown in Figures 1 and 2, the assembly 14 comprises three tensioning rollers 13. According to one embodiment of the invention, the group io motor-propeller 3 can be arranged under the floor and at the ar the vehicle. The cylinder head 21 can be located towards the front of the vehicle and the axis of the transmission 7 can be located at the rear of the vehicle. The axis of the cylinders and the plane defined by the longitudinal axis L and the transverse axis T is define an angle which can be between -10 and +10. As shown in Figure 1, the angle is substantially equal to 0. As shown in Figure 1, the intake circuit 3 comprises at least one intake duct 20 9, an intake manifold 8, an air filter 10. In a known manner, the air filter 10 prevents dust contained in the intake air to enter the engine 4 and thus limits wear. The intake duct 9 guides the intake air introduced by the air filter 10 to the intake manifold 8. As shown in FIG. 1, the protective casing 11 carries the air filter 10. More Specifically, the air filter 10 is integrated with the protective casing 11. The protective casing 11 is dimensioned such that it protects at least a part of the intake circuit 3 and / or at least a part of the set 14 and / or at least one accessory and / or a distribution. The guard can also carry at least one of these elements. As shown in FIG. 2, the protective casing 11 at least partially protects the alternator 6, the main pulley 16, the belt 15, the intake duct 9, tensioning rollers 13, in particular dirt, In addition, three tensioning rollers 13, the main pulley 16 and the air conditioning compressor 2 are carried by the protective casing 11. The air filter 10 has a filter cartridge 18 10 which can be accessed, for example, by a drawer. The protective casing 11 is fixed on the motor 4 by fastening means (not shown) which have an anti-vibration function. For example, rubber pads may be used.

15 Le montage du carter de protection 11 peut être réalisé de différentes façons sur le moteur 4 sur le véhicule automobile. Le carter de protection 11 peut être réalisé sur le moteur 4 avant le montage du moteur 4 sur le véhicule. Le carter de protection 11 peut être réalisé sur le moteur 4 20 déjà monté sur le véhicule. Un tel carter de protection 11 comporte plusieurs avantages. En particulier, l'empilage en hauteur (selon l'axe verticale V) est réduit. De plus, le nombre de moyens de fixation est réduit. Le montage est simplifié.The mounting of the protective casing 11 can be realized in different ways on the motor 4 on the motor vehicle. The protective casing 11 can be made on the motor 4 before mounting the motor 4 on the vehicle. The protective casing 11 can be made on the motor 4 already mounted on the vehicle. Such a protective casing 11 has several advantages. In particular, the stacking height (along the vertical axis V) is reduced. In addition, the number of fixing means is reduced. The editing is simplified.

25 Cette invention n'est pas limitée au mode de réalisation décrit et illustré qui a été donné à titre d'exemple. Le moteur 4 peut être thermique ou hybride. Le moteur 4 peut disposer d'un ou plusieurs cylindres. Le carter de protection 11 peut être choisi en différents 30 matériaux, par exemple, il peut être métallique, en plastique. Selon un autre mode de réalisation, le carter de protection 11 peut concerner également une protection de distribution entraînant différents accessoires.This invention is not limited to the described and illustrated embodiment which has been given by way of example. The engine 4 may be thermal or hybrid. The engine 4 may have one or more cylinders. The protective casing 11 may be chosen from different materials, for example it may be metal, plastic. According to another embodiment, the protective casing 11 may also relate to a distribution protection driving different accessories.

Claims (10)

REVENDICATIONS 1. Carter de protection (11) d'un groupe moto-propulseur (1) de véhicule automobile comportant : - un moteur (4), - un ensemble (14) comportant une poulie principale (16) qui peut engrener au moins une poulie secondaire (17) reliée à un axe (D) d'un élément (6) par au moins une courroie (15) et io - un circuit d'admission (3) comportant au moins un filtre à air (10) caractérisé en ce que le carter de protection (11) porte le filtre à air (10).  Protective casing (11) of a motor-driven power unit (1) of a motor vehicle comprising: - a motor (4), - an assembly (14) comprising a main pulley (16) which can mesh with at least one pulley secondary (17) connected to an axis (D) of an element (6) by at least one belt (15) and io - an intake circuit (3) comprising at least one air filter (10) characterized in that the protective casing (11) carries the air filter (10). 2. Carter de protection (11) selon la revendication 1, caractérisé en 15 ce que le filtre à air (10) est intégré au carter de protection (11).  2. Protective casing (11) according to claim 1, characterized in that the air filter (10) is integrated in the protective casing (11). 3. Carter de protection (11) selon l'une des revendications précédentes, caractérisé en ce que le carter de protection (11) protège au moins une partie de l'ensemble (14).  3. Protective housing (11) according to one of the preceding claims, characterized in that the protective housing (11) protects at least a portion of the assembly (14). 4. Carter de protection (11) selon la revendication 3, caractérisé en ce que le carter de protection (11) protège la courroie (15).  4. Protective housing (11) according to claim 3, characterized in that the protective housing (11) protects the belt (15). 5. Carter de protection (11) selon l'une des revendications 3 à 4, 25 caractérisé en ce que le carter de protection (11) protège la poulie principale (16).  5. Protective housing (11) according to one of claims 3 to 4, characterized in that the protective housing (11) protects the main pulley (16). 6. Carter de protection (11) selon l'une des revendications précédentes, caractérisé en ce que le carter de protection (11) 30 protège au moins un élément tel qu'un accessoire (6, 2), une distribution du moteur (4). 20-6  Protective housing (11) according to one of the preceding claims, characterized in that the protective housing (11) protects at least one element such as an accessory (6, 2), a motor distribution (4), ). 20-6 7. Carter de protection (11) selon l'une des revendications précédentes, caractérisé en ce que le carter de protection (11) protège au moins une partie du circuit d'admission (3).  7. Protective housing (11) according to one of the preceding claims, characterized in that the protective housing (11) protects at least a portion of the intake circuit (3). 8. Carter de protection (11) selon l'une des revendications précédentes 6 à 7, caractérisé en ce que le carter de protection (11) porte au moins une partie du circuit d'admission (3) et/ou au moins une partie de l'ensemble (14) et/ou au moins un accessoire (6, 2) et/ou la distribution du moteur. i0  Protective housing (11) according to one of the preceding claims 6 to 7, characterized in that the protective housing (11) carries at least a part of the intake circuit (3) and / or at least a part of the assembly (14) and / or at least one accessory (6, 2) and / or the distribution of the motor. i0 9. Carter de protection (11) selon l'une des revendications précédentes, caractérisé en ce que le carter de protection (11) comporte une cartouche filtrante (18) du filtre à air (10). 15  Protective housing (11) according to one of the preceding claims, characterized in that the protective housing (11) comprises a filter cartridge (18) of the air filter (10). 15 10. Carter de protection (11) selon l'une des revendications précédentes, caractérisé en ce que le carter de protection (11) est fixé sur le moteur (4) par des moyens de fixation anti-vibratoire.  10. Protective casing (11) according to one of the preceding claims, characterized in that the protective casing (11) is fixed on the motor (4) by means of anti-vibratory fixing.
FR0554024A 2005-12-22 2005-12-22 Power train`s distribution and/or accessory element e.g. main pulley, safety hood for motor vehicle, has assembly comprising main pulley which engages secondary pulley connected to axle of alternator by belt Withdrawn FR2895460A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0554024A FR2895460A1 (en) 2005-12-22 2005-12-22 Power train`s distribution and/or accessory element e.g. main pulley, safety hood for motor vehicle, has assembly comprising main pulley which engages secondary pulley connected to axle of alternator by belt
PCT/FR2006/051398 WO2007074293A2 (en) 2005-12-22 2006-12-20 Protective crankcase for a drive train

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0554024A FR2895460A1 (en) 2005-12-22 2005-12-22 Power train`s distribution and/or accessory element e.g. main pulley, safety hood for motor vehicle, has assembly comprising main pulley which engages secondary pulley connected to axle of alternator by belt

Publications (1)

Publication Number Publication Date
FR2895460A1 true FR2895460A1 (en) 2007-06-29

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FR0554024A Withdrawn FR2895460A1 (en) 2005-12-22 2005-12-22 Power train`s distribution and/or accessory element e.g. main pulley, safety hood for motor vehicle, has assembly comprising main pulley which engages secondary pulley connected to axle of alternator by belt

Country Status (2)

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FR (1) FR2895460A1 (en)
WO (1) WO2007074293A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185633A (en) * 1984-03-03 1985-09-21 Yamaha Motor Co Ltd Cooling unit of v belt transmission for vehicle
US4733639A (en) * 1985-01-29 1988-03-29 Honda Giken Kogyo Kabushiki Kaisha Air intake system
US5062496A (en) * 1988-07-29 1991-11-05 Mazda Motor Corporation Structure for mounting air cleaner of engine
EP1338786A1 (en) * 2002-02-18 2003-08-27 Nissan Motor Company, Limited Air intake device of internal combustion enginge
JP2005120976A (en) * 2003-10-20 2005-05-12 Kawasaki Heavy Ind Ltd Air cleaner mounting structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2562842B2 (en) * 1990-05-01 1996-12-11 日産自動車株式会社 Chain chamber structure of internal combustion engine
US6178939B1 (en) * 1998-06-24 2001-01-30 Siemens Canada Limited Housing system
US6394059B2 (en) * 2000-01-26 2002-05-28 International Engine Intellectual Property Company, L.L.C. Front module housing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185633A (en) * 1984-03-03 1985-09-21 Yamaha Motor Co Ltd Cooling unit of v belt transmission for vehicle
US4733639A (en) * 1985-01-29 1988-03-29 Honda Giken Kogyo Kabushiki Kaisha Air intake system
US5062496A (en) * 1988-07-29 1991-11-05 Mazda Motor Corporation Structure for mounting air cleaner of engine
EP1338786A1 (en) * 2002-02-18 2003-08-27 Nissan Motor Company, Limited Air intake device of internal combustion enginge
JP2005120976A (en) * 2003-10-20 2005-05-12 Kawasaki Heavy Ind Ltd Air cleaner mounting structure

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WO2007074293A2 (en) 2007-07-05
WO2007074293A3 (en) 2007-08-16

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