EP0913563A1 - Device for the ventilation of the engine compartment of a vehicle - Google Patents

Device for the ventilation of the engine compartment of a vehicle Download PDF

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Publication number
EP0913563A1
EP0913563A1 EP98402705A EP98402705A EP0913563A1 EP 0913563 A1 EP0913563 A1 EP 0913563A1 EP 98402705 A EP98402705 A EP 98402705A EP 98402705 A EP98402705 A EP 98402705A EP 0913563 A1 EP0913563 A1 EP 0913563A1
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EP
European Patent Office
Prior art keywords
fan
nozzle
ventilating
engine
bellows
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.)
Granted
Application number
EP98402705A
Other languages
German (de)
French (fr)
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EP0913563B1 (en
Inventor
Alexandre Farge
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.)
Giat Industries SA
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Giat Industries SA
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Publication date
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Publication of EP0913563A1 publication Critical patent/EP0913563A1/en
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Publication of EP0913563B1 publication Critical patent/EP0913563B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/06—Crankcase ventilating or breathing specially adapted for submersible engines, e.g. of armoured vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P2001/005—Cooling engine rooms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2031/00—Fail safe
    • F01P2031/30—Cooling after the engine is stopped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/02—Marine engines
    • F01P2050/08—Engine room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2070/00—Details
    • F01P2070/06—Using intake pressure as actuating fluid

Definitions

  • the present invention relates to a device for ventilation of an engine compartment of a vehicle, engine of this vehicle being fitted with filtration dynamic intake air and fan dust extraction.
  • the engine compartment of a vehicle constitutes a hot source of radiation that can help detect it and characterize.
  • the concern for discretion in a situation conflict requires the reduction of such radiation, and we have already proposed to integrate a specific fan in the engine compartment for stir the air.
  • This solution generates a certain number disadvantages that cannot be overcome.
  • the volume dedicated to this fan additional is done at the expense of other equipment.
  • the energy useful for the functioning of this fan comes to burden the vehicle's electrical balance, and it is essential to provide a diet electric protected and electronically controlled.
  • the cost of a fan compatible with the requirements military is high.
  • the object of the invention is to alleviate such disadvantages in proposing a ventilation device not using an independent fan.
  • the invention provides a device for the ventilation of an engine compartment of a vehicle, this vehicle being fitted with an exhaust fan dust and cyclonic air filtration engine intake, characterized in that it is consisting of a means of communication interposed between the fan and engine compartment, including operation is controlled by the prevailing vacuum in the engine intake circuit.
  • the communication means is connected to the engine manifold by a conduit.
  • the actuator is slidably attached to a fan suction nozzle.
  • the actuator is in the form of a envelope with bottom, in which is engaged the end of the nozzle.
  • the envelope is likely to occupy a first so-called closed position where it covers openings in the wall of the nozzle and a so-called position open where it releases these openings.
  • the valve is in the form of a bellows elastic connected to the vacuum-controlled duct for ensure its folded position.
  • the bellows is integral on either side of the bottom and nozzle.
  • the bottom is provided with a vent for the passage of the air.
  • the bellows is in the form of a closed flexible envelope surrounding a helical spring.
  • the duct is connected to the bellows by through a screw connection at the bottom.
  • a fan is simply controlled existing, without the need to intervene to ventilate the engine compartment.
  • the passage of the actuator from its closed position to its open position is done automatically without any intervention, from the depression of the duct.
  • This box 3 is provided with a filter 4 constituting a fine dust barrier.
  • This box 3 is also connected by a duct 5 with a fan 6 preceded by a nozzle 7 to evacuate large dust to outside according to arrow F4.
  • Motor 2 is equipped, conventionally, an air intake manifold 8 placed downstream of the filter 4 and in which there is a vacuum depression, and manifold exhaust gas discharge 9 to the outside along arrow F2.
  • a means for communication consisting of a conduit 10 and a pneumatic actuator 11.
  • This duct is connected on one side to the intake manifold 8 and on the other side to the actuator 11.
  • the latter is integral with the nozzle 7 and contains a valve 12.
  • the assembly conduit 10-actuator 11-valve 12 does not disturb its operation.
  • the filtered air arriving at the cyclone 3 is directed for the most part via the nozzle 7 towards the collector 8, while a small part of this filtered air is directed to fan 6.
  • the vacuum prevailing in the manifold 8 control the pneumatic actuator 11 via the line 10, and keeps the valve 12 in position closed. Simultaneously the fan 6 sucks in through duct 5 the air loaded with large dust which is discharged to the outside.
  • FIG 3 there is shown in section a embodiment of the actuator 11 integrated into the nozzle 7.
  • This nozzle 7 supports on one side the fan 6 and on the other the pneumatic actuator 11. In its part intermediate between the fan 6 and the actuator 11, the nozzle 7 receives the conduit 5 connected to the cyclone 3.
  • the actuator 11 consists in this example of realization of a cylindrical envelope 15 in which an equally cylindrical part of the nozzle is engaged 7, and a bottom 16.
  • the casing 15 is slidably mounted relative to nozzle 7 to occupy two positions per compared to this: a closed fallback position shown in the half-section from the top of the figure and a deployed open position shown in the half-section from the bottom of the figure.
  • the nozzle 7 is provided with openings 13 which are obstructed in the fallback position of the envelope 15 and released in the deployed position. It is the bottom 16 which carries a vent 17 and receives the conduit 10 provided with a nozzle 18 via a fitting 19.
  • the valve 12 here consists of a elastic metal bellows 20 constituting a sealed sealed envelope with a spring helical, subjected to depression and it is fixed on either side at the bottom 16 and at the nozzle 7.
  • the vent 17 facilitates the passage of the bellows 20 from the folded position to the deployed position and vice versa.
  • this is the implementation depression of the conduit 10 which passes the bellows 20 from the deployed position (lower half-cut) to the folded position (upper half-cut), after placing engine running.
  • the aspiration by the conduit 10 causes the bellows 20 to fold back and causes the sliding of the casing 15 relative to the nozzle 7 according to arrow R and therefore the closing of the openings 13.
  • the absence suction in the conduit 10 causes deployment along the arrow D of the bellows 20 and therefore the clearance openings 13.
  • the air in engine compartment 1 is then sucked in by fan 6 through openings 13.

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

Abstract

The ventilation of the engine compartment consists of a valve (12) between the fan (6) and the engine compartment the operation of which is controlled by the depression existing in the engine admission circuit. The valve controls an activator (11). The valve is in the shape of an elastic bellows (20) and is connected to the engine manifold by the pipe (10). The activator is in the shape of a casing (15), provided with a back (16), in which the end of the fan induction duct (7) is engaged.

Description

La présente invention concerne un dispositif pour la ventilation d'un compartiment moteur d'un véhicule, le moteur de ce véhicule étant équipé d'une filtration dynamique d'air d'admission et d'un ventilateur d'extraction de poussière.The present invention relates to a device for ventilation of an engine compartment of a vehicle, engine of this vehicle being fitted with filtration dynamic intake air and fan dust extraction.

Le compartiment moteur d'un véhicule, notamment d'un véhicule blindé, constitue une source chaude de rayonnement qui peut permettre de le détecter et de le caractériser. Le souci de discrétion dans une situation conflictuelle nécessite la réduction d'un tel rayonnement, et on a déjà proposé d'intégrer un ventilateur spécifique dans le compartiment moteur pour brasser l'air. Cette solution engendre un certain nombre d'inconvénients qu'il n'est pas possible de surmonter. Tout d'abord, le volume dédié à ce ventilateur supplémentaire se fait au détriment d'autres équipements. Ensuite, l'énergie utile au fonctionnement de ce ventilateur vient grever le bilan électrique du véhicule, et il est indispensable de prévoir une alimentation électrique protégée et commandée électroniquement. Enfin, le coût d'un ventilateur compatible avec les exigences militaires est élevé.The engine compartment of a vehicle, in particular of an armored vehicle, constitutes a hot source of radiation that can help detect it and characterize. The concern for discretion in a situation conflict requires the reduction of such radiation, and we have already proposed to integrate a specific fan in the engine compartment for stir the air. This solution generates a certain number disadvantages that cannot be overcome. First, the volume dedicated to this fan additional is done at the expense of other equipment. Then, the energy useful for the functioning of this fan comes to burden the vehicle's electrical balance, and it is essential to provide a diet electric protected and electronically controlled. Finally, the cost of a fan compatible with the requirements military is high.

Le but de l'invention est de pallier de tels inconvénients en proposant un dispositif de ventilation ne faisant pas appel à un ventilateur indépendant.The object of the invention is to alleviate such disadvantages in proposing a ventilation device not using an independent fan.

A cet effet, l'invention propose un dispositif pour la ventilation d'un compartiment moteur d'un véhicule, ce véhicule étant équipé d'un ventilateur d'extraction de poussière et d'une filtration cyclonique de l'air d'admission du moteur, caractérisé en ce qu'il est constitué d'un moyen de communication interposé entre le ventilateur et le compartiment moteur, dont le fonctionnement est commandé par la dépression régnant dans le circuit d'admission du moteur.To this end, the invention provides a device for the ventilation of an engine compartment of a vehicle, this vehicle being fitted with an exhaust fan dust and cyclonic air filtration engine intake, characterized in that it is consisting of a means of communication interposed between the fan and engine compartment, including operation is controlled by the prevailing vacuum in the engine intake circuit.

La plupart des véhicules blindés sont équipés d'un moteur thermique dont la filtration de l'air d'alimentation est réalisée à l'aide d'un dispositif cyclonique muni en dérivation d'un ventilateur servant à l'évacuation vers l'extérieur des grosses poussières. Or, l'invention propose justement d'utiliser ce ventilateur pour ventiler le compartiment moteur après l'arrêt dudit moteur.Most armored vehicles are equipped with a heat engine including air filtration feeding is carried out using a device cyclonic fitted with a fan used to evacuation of large dust to the outside. Gold, the invention proposes precisely to use this fan to ventilate the engine compartment after stopping said engine.

Selon un mode de réalisation de l'invention, le moyen de communication est relié au collecteur du moteur par un conduit.According to one embodiment of the invention, the communication means is connected to the engine manifold by a conduit.

L'actionneur est fixé de manière coulissante à une buse d'aspiration du ventilateur.The actuator is slidably attached to a fan suction nozzle.

L'actionneur se présente sous la forme d'une enveloppe munie d'un fond, dans laquelle est engagée l'extrémité de la buse.The actuator is in the form of a envelope with bottom, in which is engaged the end of the nozzle.

L'enveloppe est susceptible d'occuper une première position dite fermée où elle recouvre des ouvertures pratiquées dans la paroi de la buse et une position dite ouverte où elle libère ces ouvertures.The envelope is likely to occupy a first so-called closed position where it covers openings in the wall of the nozzle and a so-called position open where it releases these openings.

La soupape se présente sous la forme d'un soufflet élastique relié au conduit commandé en dépression pour assurer sa position repliée.The valve is in the form of a bellows elastic connected to the vacuum-controlled duct for ensure its folded position.

Le soufflet est solidaire de part et d'autre du fond et de la buse.The bellows is integral on either side of the bottom and nozzle.

Le fond est muni d'un évent pour le passage de l'air.The bottom is provided with a vent for the passage of the air.

Le soufflet se présente sous la forme d'une enveloppe souple fermée entourant un ressort hélicoïdal.The bellows is in the form of a closed flexible envelope surrounding a helical spring.

Le conduit est connecté au soufflet par l'intermédiaire d'un raccord vissé dans le fond.The duct is connected to the bellows by through a screw connection at the bottom.

Selon un avantage essentiel du dispositif selon l'invention, on commande de manière simple un ventilateur existant, sans qu'il soit nécessaire d'intervenir pour assurer la ventilation du compartiment moteur.According to an essential advantage of the device according to the invention, a fan is simply controlled existing, without the need to intervene to ventilate the engine compartment.

Selon encore un autre avantage, le passage de l'actionneur de sa position fermée à sa position ouverte se fait automatiquement sans aucune intervention, dès la mise en dépression du conduit.According to yet another advantage, the passage of the actuator from its closed position to its open position is done automatically without any intervention, from the depression of the duct.

D'autres caractéristiques, avantages et détails de l'invention ressortiront du complément de description qui va suivre d'un mode de réalisation donné à titre d'exemple en relation avec des dessins annexés sur lesquels :

  • les figures 1 et 2 illustrent schématiquement le fonctionnement de l'ensemble moteur d'un véhicule,
  • la figure 3 est une vue en coupe illustrant la structure d'un exemple de moyen de communication.
Other characteristics, advantages and details of the invention will emerge from the additional description which follows of an embodiment given by way of example in relation to the appended drawings in which:
  • FIGS. 1 and 2 schematically illustrate the operation of the engine assembly of a vehicle,
  • Figure 3 is a sectional view illustrating the structure of an exemplary means of communication.

Sur les figures 1 et 2, on a représenté un compartiment 1 dans lequel est logé un moteur 2 aspirant de l'air à travers une boíte à cyclone 3 suivant la flèche F1. Cette boíte 3 est munie d'un filtre 4 constituant une barrière aux poussières fines. Cette boíte 3 est également mise en communication par un conduit 5 avec un ventilateur 6 précédé par une buse d'aspiration 7 pour évacuer les grosses poussières vers l'extérieur suivant la flèche F4. Le moteur 2 est équipé, d'une façon classique, d'un collecteur d'aspiration d'air 8 placé en aval du filtre 4 et dans lequel règne une dépression due à l'aspiration, et d'un collecteur d'évacuation 9 des gaz d'échappement vers l'extérieur suivant la flèche F2.In Figures 1 and 2, a compartment 1 in which is housed a suction motor 2 air through a cyclone box 3 according to the arrow F1. This box 3 is provided with a filter 4 constituting a fine dust barrier. This box 3 is also connected by a duct 5 with a fan 6 preceded by a nozzle 7 to evacuate large dust to outside according to arrow F4. Motor 2 is equipped, conventionally, an air intake manifold 8 placed downstream of the filter 4 and in which there is a vacuum depression, and manifold exhaust gas discharge 9 to the outside along arrow F2.

Selon l'invention, on prévoit un moyen de communication constitué par un conduit 10 et un actionneur pneumatique 11. Ce conduit est relié d'un côté au collecteur d'admission 8 et de l'autre côté à l'actionneur 11. Ce dernier est solidaire de la buse 7 et renferme une soupape 12. Les détails de réalisation sont explicités ci-après en référence à la figure 3.According to the invention, a means is provided for communication consisting of a conduit 10 and a pneumatic actuator 11. This duct is connected on one side to the intake manifold 8 and on the other side to the actuator 11. The latter is integral with the nozzle 7 and contains a valve 12. The construction details are explained below with reference to Figure 3.

Lorsque le moteur 2 est en marche, l'ensemble conduit 10-actionneur 11-soupape 12 ne perturbe pas son fonctionnement. Autrement dit, l'air filtré arrivant au cyclone 3 est dirigé pour sa plus grande partie via la buse 7 vers le collecteur 8, alors qu'une faible partie de cet air filtré est dirigée vers le ventilateur 6. La dépression régnant dans le collecteur 8 commande l'actionneur pneumatique 11 par l'intermédiaire du conduit 10, et maintient la soupape 12 en position fermée. Simultanément le ventilateur 6 aspire par l'intermédiaire du conduit 5 l'air chargé de grosses poussières qui est évacué vers l'extérieur.When engine 2 is running, the assembly conduit 10-actuator 11-valve 12 does not disturb its operation. In other words, the filtered air arriving at the cyclone 3 is directed for the most part via the nozzle 7 towards the collector 8, while a small part of this filtered air is directed to fan 6. The vacuum prevailing in the manifold 8 control the pneumatic actuator 11 via the line 10, and keeps the valve 12 in position closed. Simultaneously the fan 6 sucks in through duct 5 the air loaded with large dust which is discharged to the outside.

Lorsque le moteur est arrêté suivant la figure 2, la dépression régnant dans le collecteur 8 disparaít ainsi que dans le conduit 10. L'actionneur pneumatique 11 n'étant plus alimenté, la soupape 12 reprend sa position de repos. Le ventilateur 6 aspire alors un flux d'air F dans le compartiment moteur 1 à travers l'entrée d'air 14 suivant la flèche F5, et à travers les entrées 13 réalisées dans la buse 7, ce qui permet d'obtenir la ventilation souhaitée et la réduction rapide de l'émission thermique du moteur.When the engine is stopped according to figure 2, the depression prevailing in the manifold 8 disappears as well as in the conduit 10. The pneumatic actuator 11 no longer supplied, valve 12 returns to its position rest. The fan 6 then draws in an air flow F in the engine compartment 1 through the air inlet 14 along arrow F5, and through inputs 13 made in the nozzle 7, which makes it possible to obtain the desired ventilation and rapid reduction of engine thermal emission.

Sur la figure 3, on a représenté en coupe un exemple de réalisation de l'actionneur 11 intégré à la buse 7. Cette buse 7 supporte d'un côté le ventilateur 6 et de l'autre l'actionneur pneumatique 11. Dans sa partie intermédiaire entre le ventilateur 6 et l'actionneur 11, la buse 7 reçoit le conduit 5 relié au cyclone 3. L'actionneur 11 est constitué dans cet exemple de réalisation d'une enveloppe cylindrique 15 dans laquelle est engagée une partie également cylindrique de la buse 7, et d'un fond 16. L'enveloppe 15 est montée coulissante par rapport à la buse 7 pour occuper deux positions par rapport à celle-ci : une position fermée de repli représentée sur la demi-coupe du haut de la figure et une position ouverte déployée représentée sur la demi-coupe du bas de la figure. La buse 7 est munie d'ouvertures 13 qui sont obstruées dans la position de repli de l'enveloppe 15 et dégagées dans la position déployée. C'est le fond 16 qui porte un évent 17 et reçoit le conduit 10 muni d'un embout 18 par l'intermédiaire d'un raccord 19. La soupape 12 est constituée ici d'un soufflet métallique élastique 20 constituant une enveloppe fermée étanche renfermant un ressort hélicoïdal, soumise à la dépression et il est fixé de part et d'autre au fond 16 et à la buse 7. L'évent 17 facilite le passage du soufflet 20 de la position repliée à la position déployée et vice versa.In Figure 3, there is shown in section a embodiment of the actuator 11 integrated into the nozzle 7. This nozzle 7 supports on one side the fan 6 and on the other the pneumatic actuator 11. In its part intermediate between the fan 6 and the actuator 11, the nozzle 7 receives the conduit 5 connected to the cyclone 3. The actuator 11 consists in this example of realization of a cylindrical envelope 15 in which an equally cylindrical part of the nozzle is engaged 7, and a bottom 16. The casing 15 is slidably mounted relative to nozzle 7 to occupy two positions per compared to this: a closed fallback position shown in the half-section from the top of the figure and a deployed open position shown in the half-section from the bottom of the figure. The nozzle 7 is provided with openings 13 which are obstructed in the fallback position of the envelope 15 and released in the deployed position. It is the bottom 16 which carries a vent 17 and receives the conduit 10 provided with a nozzle 18 via a fitting 19. The valve 12 here consists of a elastic metal bellows 20 constituting a sealed sealed envelope with a spring helical, subjected to depression and it is fixed on either side at the bottom 16 and at the nozzle 7. The vent 17 facilitates the passage of the bellows 20 from the folded position to the deployed position and vice versa.

Comme expliqué précédemment, c'est la mise en dépression du conduit 10 qui fait passer le soufflet 20 de la position déployée (demi-coupe inférieure) à la position repliée (demi-coupe supérieure), suite à la mise en marche du moteur. En effet, l'aspiration par le conduit 10 entraíne le repli du soufflet 20 et provoque le coulissement de l'enveloppe 15 par rapport à la buse 7 suivant la flèche R et donc la fermeture des ouvertures 13. Inversement à l'arrêt du moteur, l'absence d'aspiration dans le conduit 10 entraíne le déploiement suivant la flèche D du soufflet 20 et donc le dégagement des ouvertures 13. L'air du compartiment moteur 1 est alors aspiré par le ventilateur 6 à travers les ouvertures 13.As explained above, this is the implementation depression of the conduit 10 which passes the bellows 20 from the deployed position (lower half-cut) to the folded position (upper half-cut), after placing engine running. Indeed, the aspiration by the conduit 10 causes the bellows 20 to fold back and causes the sliding of the casing 15 relative to the nozzle 7 according to arrow R and therefore the closing of the openings 13. Conversely when the engine is stopped, the absence suction in the conduit 10 causes deployment along the arrow D of the bellows 20 and therefore the clearance openings 13. The air in engine compartment 1 is then sucked in by fan 6 through openings 13.

Claims (11)

Dispositif pour la ventilation d'un compartiment (1) moteur d'un véhicule équipé d'un ventilateur (6) d'extraction de poussière et d'une filtration cyclonique de l'air d'admission du moteur (2), caractérisé en ce qu'il est constitué d'un moyen de communication (11, 12) interposé entre le ventilateur (6) et le compartiment moteur (1), dont le fonctionnement est commandé par la dépression régnant dans le circuit d'admission (8) du moteur.Device for ventilating a compartment (1) engine of a vehicle fitted with a fan (6) dust extraction and cyclonic filtration engine intake air (2), characterized in that it consists of a means of communication (11, 12) interposed between the fan (6) and the compartment motor (1), the operation of which is controlled by the vacuum prevailing in the intake circuit (8) of the engine. Dispositif pour la ventilation d'un compartiment moteur selon la revendication 1, caractérisé en ce que le moyen de communication est constitué par une soupape (12) commandant un actionneur (11), soumise à la dépression d'air.Device for ventilating a compartment motor according to claim 1, characterized in that the means of communication consists of a valve (12) controlling an actuator (11), subjected to vacuum of air. Dispositif pour la ventilation d'un compartiment moteur selon la revendication 2, caractérisé en ce que le moyen de communication est relié au collecteur (8) du moteur (2) par un conduit (10).Device for ventilating a compartment motor according to claim 2, characterized in that the communication means is connected to the collector (8) of the motor (2) by a conduit (10). Dispositif pour la ventilation d'un compartiment moteur selon la revendication 3, caractérisé en ce que l'actionneur (11) est fixé de manière coulissante à une buse d'aspiration (7) du ventilateur (6).Device for ventilating a compartment motor according to claim 3, characterized in that the actuator (11) is slidably attached to a suction nozzle (7) of the fan (6). Dispositif pour la ventilation d'un compartiment moteur selon la revendication 4, caractérisé en ce que l'actionneur (11) se présente sous la forme d'une enveloppe (15) munie d'un fond (16), dans laquelle est engagée l'extrémité de la buse (7).Device for ventilating a compartment motor according to claim 4, characterized in that the actuator (11) is in the form of a envelope (15) provided with a bottom (16), in which is engaged the end of the nozzle (7). Dispositif pour la ventilation d'un compartiment moteur selon la revendication 5, caractérisé en ce que l'enveloppe (15) est susceptible d'occuper une première position dite fermée où elle recouvre des ouvertures (13) pratiquées dans la paroi de la buse (7) et une position dite ouverte où elle libère ces ouvertures (13).Device for ventilating a compartment motor according to claim 5, characterized in that the envelope (15) is likely to occupy a first so-called closed position where it covers openings (13) made in the wall of the nozzle (7) and a position said to be open where it releases these openings (13). Dispositif selon la revendication 6, caractérisé en ce que la soupape (12) se présente sous la forme d'un soufflet élastique (20) relié au conduit (10) commandé en dépression pour assurer sa position repliée.Device according to claim 6, characterized in that the valve (12) is in the form of a elastic bellows (20) connected to the conduit (10) controlled by vacuum to ensure its folded position. Dispositif selon la revendication 7, caractérisé en ce que le soufflet (20) est solidaire de part et d'autre du fond (16) et de la buse (7).Device according to claim 7, characterized in that the bellows (20) is integral with part and on the other side of the bottom (16) and of the nozzle (7). Dispositif selon la revendication 8, caractérisé en ce que le fond (16) est muni d'un évent (17) pour le passage de l'air.Device according to claim 8, characterized in that the bottom (16) is provided with a vent (17) for the air passage. Dispositif selon la revendication 9, caractérisé en ce que le soufflet (20) se présente sous la forme d'une enveloppe souple fermée entourant un ressort hélicoïdal.Device according to claim 9, characterized in that the bellows (20) is presented under the shape of a closed flexible envelope surrounding a helical spring. Dispositif selon la revendication 11, caractérise en ce que le conduit (10) est connecté au soufflet (20) par l'intermédiaire d'un raccord vissé dans le fond (16).Device according to claim 11, characterized in that the conduit (10) is connected to the bellows (20) via a screw connection in the bottom (16).
EP19980402705 1997-11-03 1998-10-30 Device for the ventilation of the engine compartment of a vehicle Expired - Lifetime EP0913563B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9713760A FR2770581B1 (en) 1997-11-03 1997-11-03 DEVICE FOR VENTILATION OF A MOTOR COMPARTMENT OF A VEHICLE
FR9713760 1997-11-03

Publications (2)

Publication Number Publication Date
EP0913563A1 true EP0913563A1 (en) 1999-05-06
EP0913563B1 EP0913563B1 (en) 2003-03-05

Family

ID=9512942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980402705 Expired - Lifetime EP0913563B1 (en) 1997-11-03 1998-10-30 Device for the ventilation of the engine compartment of a vehicle

Country Status (3)

Country Link
EP (1) EP0913563B1 (en)
DE (1) DE69811821T2 (en)
FR (1) FR2770581B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007011452A1 (en) 2007-03-06 2008-09-11 Siemens Ag Apparatus for the pretreatment of air for an air conditioner of a rail vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827236A (en) * 1972-12-18 1974-08-06 D Rust Cooling systems for turbocharger mechanisms
US3951114A (en) * 1974-03-22 1976-04-20 Hans List Cooling of internal combustion engines with sound-proof encasings
US4409933A (en) * 1981-08-12 1983-10-18 Nissan Motor Company, Limited Engine compartment cooling apparatus
EP0323211A2 (en) * 1987-12-28 1989-07-05 Honda Giken Kogyo Kabushiki Kaisha Engine room cooling control system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827236A (en) * 1972-12-18 1974-08-06 D Rust Cooling systems for turbocharger mechanisms
US3951114A (en) * 1974-03-22 1976-04-20 Hans List Cooling of internal combustion engines with sound-proof encasings
US4409933A (en) * 1981-08-12 1983-10-18 Nissan Motor Company, Limited Engine compartment cooling apparatus
EP0323211A2 (en) * 1987-12-28 1989-07-05 Honda Giken Kogyo Kabushiki Kaisha Engine room cooling control system

Also Published As

Publication number Publication date
DE69811821T2 (en) 2003-11-13
FR2770581A1 (en) 1999-05-07
EP0913563B1 (en) 2003-03-05
FR2770581B1 (en) 2000-01-07
DE69811821D1 (en) 2003-04-10

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