FR1463198A - System for fixing an auxiliary member driven by pulleys and belt and in particular an alternator on an automobile engine - Google Patents

System for fixing an auxiliary member driven by pulleys and belt and in particular an alternator on an automobile engine Download PDF

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Publication number
FR1463198A
FR1463198A FR46546A FR69046546A FR1463198A FR 1463198 A FR1463198 A FR 1463198A FR 46546 A FR46546 A FR 46546A FR 69046546 A FR69046546 A FR 69046546A FR 1463198 A FR1463198 A FR 1463198A
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FR
France
Prior art keywords
alternator
belt
support
fixing
auxiliary member
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
Application number
FR46546A
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French (fr)
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Societe de Paris et du Rhone SA
Original Assignee
Societe de Paris et du Rhone SA
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 Societe de Paris et du Rhone SA filed Critical Societe de Paris et du Rhone SA
Priority to FR46546A priority Critical patent/FR1463198A/en
Application granted granted Critical
Publication of FR1463198A publication Critical patent/FR1463198A/en
Expired legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B67/00Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • F02B67/06Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/06Endless member is a belt

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Description

Système de fixation d'un organe auxiliaire entraîné par poulies et courroie et notamment d'un alternateur sur un moteur d'automobile.
Le mode de fixation sur leur support, des générateurs électriques des moteurs de véhicules automobiles doit permettre de régler la tension de leur courroie d'entraînement. Ce réglage est souvent réalisé par pivotement du générateur autour de l'une de ses vis de fixation, son blocage dans la position angulaire désirée étant réalisé d'une part, par serrage de la vis qui lui sert d'axe d'articulation et, d'autre part, par serrage d'un boulon porté par une autre patte de fixation et traversant une coulisse articulée sur le support du générateur.
Cependant, cette coulisse, en raison de sa constitution, ne participe que très peu à la tenue mécanique de la fixation du générateur qui se trouve pratiquement fixé en porte-à-faux. Il est donc nécessaire que l'unique ou les deux pattes d'articulation du générateur soient très largement dimensionnées, en raison des vibrations importantes auxquelles il est soumis.
La présente invention vise à pallier ces inconvénients; à cet effet, elle concerne un système de fixation d'un organe auxiliaire entraîné par poulie et courroie, et notamment d'un alternateur sur un moteur d'automobile, système dans lequel l'organe auxiliaire est muni d'une part d'une patte percée servant à sa fixation et à son articulation, et d'autre part, du côté opposé à cette patte, d'une oreille comportant une lumière courbe concentrique au trou de la patte percée précitée, cette lumière ou coulisse ayant la possibilité de coulisser sur une vis qui la traverse et est fixée sur un support solidaire ou non du moteur, de façon à permettre le réglage de la tension de la courroie entraînant cet organe auxiliaire, avant serrage sur le support de la coulisse par la vis précitée, et de la patte par le boulon de fixation servant d'axe d'articulation.
Cet agencement permet d'obtenir une fixation rigide en réduisant au maximum le porte-à-faux, et un réglage simple de la tension de la courroie d'entraînement de l'alternateur.
Suivant une première forme d'exécution de l'invention dans le cas où l'organe auxiliaire est un alternateur, celui-ci est placé sur un côté du moteur et présente sa poulie en avant dans le sens de marche du véhicule.
Suivant une autre forme d'exécution de l'invention, l'alternateur est placé sur un côté du moteur, et présente sa face arrière sur l'avant du véhicule. Cette disposition permet à l'alternateur de bénéficier de la ventilation naturelle produite par le déplacement du véhicule.
De toute façon, l'invention sera bien comprise, à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemple non limitatif, deux formes d'exécution de ce système de fixation.
Figures 1 et 2 sont des. vues de face et en plan par-dessus d'une première forme d'exécution de ce système de fixation dans le cas de son application à un alternateur de moteur de véhicule automobile. Figures 3 et 4 sont des vues de face et en plan par-dessus, en coupe partielle, d'une autre forme d'exécution de l'invention.
L'alternateur 2 montré sur les figures 1 et 2 comporte, d'une part, une patte 3 percée d'un trou 6 et, d'autre part, du côté opposé à cette patte, une oreille 4 comportant une lumière courbe 5, concentrique à l'axe du trou 6 traversant la patte 3.
Il est fixé sur une plaque-support 7 par un boulon 8 traversant la patte 3, et par une vis 9 traversant la lumière 5.
Ce support 7 est calé entre le moteur 10 et le carter de pompe à eau 12; il comporte un dégagement 11 permettant le débattement de l'alternateur 2.
Sur l'arbre 13 de cet alternateur 2 est calée une poulie 14 entraînée en rotation par une courroie 15 passant également sur une poulie
System for fixing an auxiliary member driven by pulleys and a belt and in particular an alternator on an automobile engine.
The method of fixing the electric generators of motor vehicle engines on their support must make it possible to adjust the tension of their drive belt. This adjustment is often made by pivoting the generator around one of its fixing screws, its locking in the desired angular position being achieved on the one hand, by tightening the screw which serves as its articulation axis and, on the other hand, by tightening a bolt carried by another fixing lug and passing through a slide articulated on the support of the generator.
However, this slide, because of its constitution, only contributes very little to the mechanical strength of the fixing of the generator which is practically fixed cantilever. It is therefore necessary that the single or both articulation lugs of the generator are very largely dimensioned, because of the significant vibrations to which it is subjected.
The present invention aims to overcome these drawbacks; to this end, it relates to a system for fixing an auxiliary member driven by pulley and belt, and in particular an alternator on an automobile engine, a system in which the auxiliary member is provided on the one hand with a pierced tab serving for its attachment and its articulation, and on the other hand, on the side opposite this tab, an ear comprising a curved slot concentric with the hole of the aforementioned pierced tab, this slot or slide having the possibility of sliding on a screw which passes through it and is fixed on a support whether or not integral with the engine, so as to allow adjustment of the tension of the belt driving this auxiliary member, before tightening on the support of the slide by the aforementioned screw, and to the bracket by the fixing bolt serving as a hinge pin.
This arrangement makes it possible to obtain a rigid fixing while minimizing the overhang, and a simple adjustment of the tension of the drive belt of the alternator.
According to a first embodiment of the invention, in the case where the auxiliary member is an alternator, the latter is placed on one side of the engine and has its pulley forward in the direction of travel of the vehicle.
According to another embodiment of the invention, the alternator is placed on one side of the engine, and has its rear face on the front of the vehicle. This arrangement allows the alternator to benefit from the natural ventilation produced by the movement of the vehicle.
In any event, the invention will be well understood, with the aid of the description which follows, with reference to the appended schematic drawing showing, by way of non-limiting example, two embodiments of this fixing system.
Figures 1 and 2 are. front and top plan views of a first embodiment of this fastening system in the case of its application to an alternator of a motor vehicle engine. Figures 3 and 4 are front and top plan views, in partial section, of another embodiment of the invention.
The alternator 2 shown in Figures 1 and 2 comprises, on the one hand, a lug 3 pierced with a hole 6 and, on the other hand, on the side opposite this lug, a lug 4 comprising a curved slot 5, concentric with the axis of the hole 6 passing through the tab 3.
It is fixed to a support plate 7 by a bolt 8 passing through the bracket 3, and by a screw 9 passing through the slot 5.
This support 7 is wedged between the engine 10 and the water pump casing 12; it has a clearance 11 allowing the movement of the alternator 2.
On the shaft 13 of this alternator 2 is wedged a pulley 14 driven in rotation by a belt 15 also passing over a pulley

Claims (2)

16 calée à l'extrémité 17 de l'arbre d'entraînement de la pompe à eau, cette courroie étant entraînée par une autre poulie non représentée et calée sur l'extrémité du vilebrequin. Grâce à cet agencement, l'alternateur 2 est fixé, de façon rigide sur le support 7. De plus, avant serrage du boulon 8 et de la vis 9, le premier servant d'axe d'articulation et la seconde de tige de guidage en rotation, il est possible de régler aisément la tension de la courroie 15, en déplaçant l'alternateur 2 dans le sens de la flèche 18, de la figure 1. Les figures 3 et 4 montrent une autre forme d'exécution, dans laquelle l'alternateur 2 est disposé de façon à présenter sa face arrière 19 en direction de l'avant du véhicule. Par cette disposition, la ventilation naturelle provoquée par le déplacement de ce dernier, coopère avec celle engendrée par le ventilateur 20 dont l'alternateur est équipé. Les mêmes éléments que l'exemple précédent se retrouvent dans cette variante, seul le support 7 est remplacé par un support 22 faisant en même temps office de carter de pompe à eau. Ce support 22 comporte deux bossages 23 et16 wedged at the end 17 of the drive shaft of the water pump, this belt being driven by another pulley not shown and wedged on the end of the crankshaft. Thanks to this arrangement, the alternator 2 is rigidly fixed on the support 7. In addition, before tightening the bolt 8 and the screw 9, the first serving as an articulation axis and the second as a guide rod in rotation, it is possible to easily adjust the tension of the belt 15, by moving the alternator 2 in the direction of arrow 18, in figure 1. Figures 3 and 4 show another embodiment, in which the alternator 2 is arranged so as to present its rear face 19 towards the front of the vehicle. By this arrangement, the natural ventilation caused by the displacement of the latter, cooperates with that generated by the fan 20 with which the alternator is equipped. The same elements as the previous example are found in this variant, only the support 7 is replaced by a support 22 acting at the same time as a water pump casing. This support 22 has two bosses 23 and 24 munis chacun d'un goujon 25 et 26 permettant la fixation de l'alternateur. Le réglage de la tension de la courroie est effectué de la même façon que dans l'exemple précédent. Comme il va de soi, et comme il ressort de ce qui précède, la présente invention ne se limite pas aux seules formes d'exécution de ce système de fixation qui ont été décrites ci-dessus, à titre d'exemples non limitatifs; elle en embrasse, au contraire, toutes les variantes de réalisation, quelles que soient notamment les fonctions et la nature de l'organe à fixer. RÉSUMÉ24 each provided with a stud 25 and 26 for fixing the alternator. The belt tension is adjusted in the same way as in the previous example. As goes without saying, and as emerges from the foregoing, the present invention is not limited solely to the embodiments of this fixing system which have been described above, by way of nonlimiting examples; on the contrary, it embraces all the variant embodiments thereof, whatever in particular the functions and the nature of the member to be fixed. ABSTRACT 1. Système de fixation d'un organe auxiliaire entraîné par poulie et courroie et notamment d'un alternateur sur un moteur d'automobile, caractérisé en ce que l'organe auxiliaire est muni d'une part d'une patte percée servant à sa fixation et à son articulation, et d'autre part, du côté opposé à cette patte, d'une oreille comportant une lumière courbe concentrique au trou de la patte percée précitée, cette lumière ou coulisse ayant la possibilité de coulisser sur une vis qui la traverse et est fixée- sur un support solidaire ou non du moteur, de façon à permettre le réglage de la tension de la courroie entraînant cet organe auxiliaire, avant serrage sur le support de la coulisse par la vis précitée, et de la patte par le boulon de fixation servant d'axe d'articulation.1. System for fixing an auxiliary member driven by pulley and belt and in particular an alternator on an automobile engine, characterized in that the auxiliary member is provided on the one hand with a pierced lug serving for its attachment and to its articulation, and on the other hand, on the side opposite to this tab, an ear comprising a curved slot concentric with the hole of the aforementioned pierced tab, this slot or slide having the possibility of sliding on a screw which it cross member and is fixed on a support whether or not integral with the engine, so as to allow adjustment of the tension of the belt driving this auxiliary member, before tightening on the support of the slide by the aforementioned screw, and of the bracket by the fixing bolt serving as a hinge pin. 2. Système de fixation tel que spécifié en 1[deg], caractérisé en outre par les points suivants pris ensemble ou séparément : a. Dans le cas où l'organe auxiliaire est un alternateur, celui-ci est placé sur un côté du moteur et présente sa poulie en avant dans le sens de marche du véhicule; b. L'alternateur est placé sur un côté du moteur, et présente sa face arrière sur l'avant du véhicule.2. Fastening system as specified in 1 [deg], further characterized by the following points taken together or separately: a. In the case where the auxiliary member is an alternator, the latter is placed on one side of the engine and has its pulley forward in the direction of travel of the vehicle; b. The alternator is placed on one side of the engine, and has its rear face on the front of the vehicle.
FR46546A 1965-11-05 1965-11-05 System for fixing an auxiliary member driven by pulleys and belt and in particular an alternator on an automobile engine Expired FR1463198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR46546A FR1463198A (en) 1965-11-05 1965-11-05 System for fixing an auxiliary member driven by pulleys and belt and in particular an alternator on an automobile engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46546A FR1463198A (en) 1965-11-05 1965-11-05 System for fixing an auxiliary member driven by pulleys and belt and in particular an alternator on an automobile engine

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FR1463198A true FR1463198A (en) 1966-06-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486610A1 (en) * 1980-07-11 1982-01-15 Paris & Du Rhone Two-speed rotary drive for motor vehicle alternator - brings in second belt drive at low speeds to drive alternator at higher rates using electromagnetic clutch controlled by drive shaft speed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2486610A1 (en) * 1980-07-11 1982-01-15 Paris & Du Rhone Two-speed rotary drive for motor vehicle alternator - brings in second belt drive at low speeds to drive alternator at higher rates using electromagnetic clutch controlled by drive shaft speed

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