EP0913563A1 - Vorrichtung zur Kraftfahrzeugmotorhaubenbelüftung - Google Patents

Vorrichtung zur Kraftfahrzeugmotorhaubenbelüftung 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
Authority
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
English (en)
French (fr)
Other versions
EP0913563B1 (de
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
Original Assignee
Giat Industries 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 Giat Industries SA filed Critical Giat Industries SA
Publication of EP0913563A1 publication Critical patent/EP0913563A1/de
Application granted granted Critical
Publication of EP0913563B1 publication Critical patent/EP0913563B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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.

Landscapes

  • 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)
EP19980402705 1997-11-03 1998-10-30 Vorrichtung zur Kraftfahrzeugmotorhaubenbelüftung Expired - Lifetime EP0913563B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9713760A FR2770581B1 (fr) 1997-11-03 1997-11-03 Dispositif pour la ventilation d'un compartiment moteur d'un vehicule
FR9713760 1997-11-03

Publications (2)

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

Family

ID=9512942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980402705 Expired - Lifetime EP0913563B1 (de) 1997-11-03 1998-10-30 Vorrichtung zur Kraftfahrzeugmotorhaubenbelüftung

Country Status (3)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007011452A1 (de) 2007-03-06 2008-09-11 Siemens Ag Vorrichtung zur Vorbehandlung von Luft für ein Klimagerät eines Schienenfahrzeuges

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 (de) * 1987-12-28 1989-07-05 Honda Giken Kogyo Kabushiki Kaisha Kühlungsregelsystem für Maschinenraum

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 (de) * 1987-12-28 1989-07-05 Honda Giken Kogyo Kabushiki Kaisha Kühlungsregelsystem für Maschinenraum

Also Published As

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

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