Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D29/00—Details, component parts, or accessories
  • F04D29/58—Cooling; Heating; Diminishing heat transfer
  • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D29/00—Details, component parts, or accessories
  • F04D29/26—Rotors specially for elastic fluids
  • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
  • F04D29/38—Blades
  • F04D29/384—Blades characterised by form
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
  • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
  • A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
• • 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
  • F01P1/06—Arrangements for cooling other engine or machine parts
• • 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
  • F01P3/20—Cooling circuits not specific to a single part of engine or machine
• • 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
  • F01P5/00—Pumping cooling-air or liquid coolants
  • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
  • F01P5/04—Pump-driving arrangements
• • 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
  • F01P5/00—Pumping cooling-air or liquid coolants
  • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
  • F01P5/06—Guiding or ducting air to, or from, ducted fans
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D19/00—Axial-flow pumps
  • F04D19/002—Axial flow fans
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D25/00—Pumping installations or systems
  • F04D25/02—Units comprising pumps and their driving means
  • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D25/00—Pumping installations or systems
  • F04D25/02—Units comprising pumps and their driving means
  • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D29/00—Details, component parts, or accessories
  • F04D29/26—Rotors specially for elastic fluids
  • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
  • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
  • F04D29/326—Rotors specially for elastic fluids for axial flow pumps for axial flow fans comprising a rotating shroud
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D29/00—Details, component parts, or accessories
  • F04D29/26—Rotors specially for elastic fluids
  • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
  • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
  • F04D29/329—Details of the hub
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D29/00—Details, component parts, or accessories
  • F04D29/58—Cooling; Heating; Diminishing heat transfer
  • F04D29/5806—Cooling the drive system
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
  • F04D29/00—Details, component parts, or accessories
  • F04D29/58—Cooling; Heating; Diminishing heat transfer
  • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
  • F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
  • A01K3/00—Pasturing equipment, e.g. tethering devices; Grids for preventing cattle from straying; Electrified wire fencing
  • A01K2003/007—Fencing and guiding systems for amphibia
• • 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
  • F01P5/00—Pumping cooling-air or liquid coolants
  • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
  • F01P5/04—Pump-driving arrangements
  • F01P2005/046—Pump-driving arrangements with electrical pump drive
• • 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

Definitions

• a cooling system comprising a radiator inside which circulates a heat transfer fluid.
• the fluid takes heat from the equipment and is circulated in a closed circuit between the equipment and the radiator.
• the fluid is cooled inside the radiator as a result of heat exchange between the radiator and the ambient air.
• the radiator is commonly ventilated by a motor-fan unit generating a flow of air increasing the heat exchange between the radiator and the ambient air.
• the motor-fan unit conventionally comprises a base for mounting it on the vehicle.
• the base carries a motor for rotating at least one propeller.
• the propeller typically comprises a hub provided with means for connecting in rotation with a drive shaft driven by the drive motor.
• the motor-fan unit provided with the air propulsion device of the present invention provides a dual function.
• a first function is to generate an air flow and a second function is to constitute a heat exchange member by circulating the fluid through the air propulsion device.
• the fan motor unit is not only used to generate the forced air flow that passes through the radiator, but also to cool the fluid used for cooling the equipment, from its circulation at least in a hydraulic circuit incorporated in inside the air propulsion device.
• the air flow and the fluid cooled by the air propulsion device are used together to cool the equipment, moreover via a heat exchanger.
• Such a heat exchanger used as a main radiator involved in the cooling of the fluid, is in particular placed on the fluid transport circuit between the equipment and the air propulsion device.
• the main radiator can be indifferently connected in series or in parallel with the hydraulic circuit incorporated inside the air propulsion device.
• the main radiator and the air propulsion device compose a set of heat exchange members participating for example in conjunction with the cooling of the fluid flowing through the equipment.
• the heat exchanger may also comprise incidentally an auxiliary radiator and / or a condenser cooled by the air flow.
• the cooling of the equipment is thus more efficient, by combined operation on the one hand of the air flow ventilating the heat exchanger, and on the other hand of the air-cooled fluid, the latter then comprising as an additional heat exchanger.
• the hydraulic circuit may in particular be incorporated in the propeller of the motor-fan unit and / or the drive system of the propeller.
• the components of the propeller comprise at least one hub and at least one blade, or even a plurality of blades, and preferably a crown, the latter connecting one end of the blades opposite to that which attaches the blades to the hub.
• the hydraulic circuit is in particular arranged in fluid circulation loop, between a fluid inlet inside the propeller and / or the propeller drive system and a fluid outlet out of the propeller and / or the propeller drive system.
• a rotatable hydraulic coupling mounted coaxially on the propeller hub can provide the connection between the hydraulic circuit of the propeller and a transport circuit of the propeller.
• the intake duct and the exhaust duct may also be connected to a fluid flow circuit between the equipment and the stator.
• the fluid transport circuit may advantageously comprise said heat exchanger connected in series or in parallel with the internal hydraulic circuit of the propeller and / or the stator, and advantageously be ventilated by the air flow generated by the motorcycle unit. -fan.
• the propeller elements can be formed at lower cost by molding and assembled together, for example axially.
• the axial assembly of the helical elements to one another can be achieved by sealing, in particular by gluing or welding. Such an assembly by sealing provides a tight junction of the hulls between them. Any escape of the fluid out of the components of the helix sparing the channels through them is thus prohibited.
• the components of the propeller may be derived from a material that promotes a heat exchange between the air flow and the heat transfer fluid present inside the propeller.
• the material is for example metallic or synthetic.
• Such a synthetic material consists in particular of a resin filled with mineral fibers arranged in a sheet or parcellized.
• mineral fibers are, for example, glass fibers or carbon fibers.
• the fluid circulation channels extend between the hub of the propeller, the blades of the propeller mounted on the hub at their proximal end, and the crown connecting the blades to each other at their distal end.
• various configurations of hydraulic circuit extension through the air propulsion device can be provided to define the path traveled by the fluid through the motor-fan unit, i.e. say the hydraulic circuit of the air propulsion device.
• the hub comprises at least one intermediate channel interconnecting at least two channels formed in two immediately adjacent blades, the hub is in particular arranged as a hollow member. At least one recess of the hub is radially delimited by at least one partition which extends in the axial direction of the helix. At least one first recess forms the inlet duct and a second recess forms the outlet duct.
• the axially extended partition may be a peripheral wall of the hub or an inner wall of the hub,
• At least one recess of the hub is axially defined between closure walls disposed facing each other and extending in a plane orthogonal to the axis of rotation of the helix.
• the closure walls are preferably incorporated respectively in two constituent bodies of the hub assembled axially to one another.
• One of the bodies forms a bottom axially capped by the other body formed of a lid,
• the helix comprises, formed inside the ring, at least one peripheral channel interconnecting at least two channels formed in two immediately adjacent blades.
• the crown may include one or more Peripheral channels according to the configuration of the hydraulic circuit.
• the crown may for this purpose comprise at least one inner recess forming the peripheral channel defined by at least one closure wall of the recess of the crown. More particularly, the peripheral channel extends at least partially along the annular extension of the ring. Said at least one peripheral channel may be formed between two closing partitions of the recess of the crown.
• Several peripheral channels may be arranged at least partly along the ring, successively and / or parallel depending on the annular extension of the ring,
• the heat exchanger notably takes the form of at least one main radiator, or even an auxiliary radiator and / or a condenser.
• the main radiator is potentially a high-temperature or low-temperature radiator, through which fluid flows from the equipment prior to its transport to the propeller of the motor-fan unit.
• the heat exchanger, and in particular said at least one main radiator is placed for its exchange with the air in the path of the air flow generated by the air propulsion device of the motor-fan unit, the air being moved by the propeller driven by the drive system.
• the rotating hydraulic coupling is preferably axially arranged opposite the drive motor of the propeller provided to be placed on the base, vis-à-vis the heat exchanger.
• stator elements can be formed at lower cost by molding and axially assembled together.
• the axial assembly of the stator elements to one another can be achieved by sealing, in particular by bonding or sealed welding.
• Such a seal assembly provides a seal between the various shells constituting the component or components of the stator housing the channel or channels of the hydraulic circuit. Any escape of the fluid out of the stator components sparing the channels through them is thus prohibited.
• the cooling block thus formed thus comprises radial channels interposed between the outer annular channel formed in the ring and the inner annular channel formed inside a cylindrical wall defining the barrel.
• the radial channels extend respectively inside the constituent fins of the cooling block.
• the hydraulic circuit extends successively at least between an outer channel and an inner channel via at least one radial channel.
• the present invention also relates to a motor-fan unit comprising a propeller and a drive system of the propeller according to the present invention.
• the motor of the drive system is in particular mounted on a base constituting a mounting member of the motor-fan unit on the vehicle.
• the cooling system of the present invention is mainly recognizable in that it comprises a stator of a motor-ventilation unit according to the present invention and operated to cool the coolant.
• the cooling system comprises a heat exchange member constituted by the stator of the electric motor that includes the motor-fan unit.
• the cooling system preferably comprises a heat exchanger used as a radiator, especially as a main radiator.
• the main radiator is interposed on the fluid transport circuit between the equipment and the constituent stator of the electric motor equipping the motor-fan unit.
• the main radiator is also preferably placed for cooling on the path of the air flow generated by the motor-fan unit. It will be noted that the air flow generated by this motor-fan unit can operate by suction or by blowing the air flow.
• the cooling system may further include an auxiliary radiator and / or a condenser, in addition to the main radiator.
• This main radiator is potentially a low temperature or high temperature radiator, through which circulates the heat transfer fluid from the equipment before or after its delivery to the stator according to the invention.
• the fluid routing circuit comprises in particular a first portion interposed between the equipment and the main radiator, then a second portion interposed between the main radiator and the stator.
• the second portion can then be connected to a fluid inlet pipe inside the main radiator and extend towards the stator.
• the second portion may also be connected to a fluid outlet pipe out of the main radiator and channeling the heat transfer fluid to the equipment to be cooled.
• the main radiator and the stator are preferably mounted in series on the fluid delivery circuit.
• the second portion may comprise a downstream pipe directly connecting the stator to the equipment.
• the invention also covers the possibility of mounting the main radiator and the stator in parallel on the fluid transport circuit.
• FIG. 1 is composed of two diagrams (a) and (b), respectively illustrating in perspective various arrangements of a first embodiment of a cooling system of a motor vehicle equipment according to the present invention.
• FIG. 2 is an exploded perspective illustration of a motor-fan unit according to the first embodiment of the present invention.
• FIG. 3 is composed of two diagrams (c) and (d), illustrating an example of a configuration of a hydraulic circuit incorporated in a helix according to the first embodiment of the present invention.
• FIG. 4 is composed of two perspective illustrations (e) and (f) respectively illustrating bodies together forming a hub of a propeller according to the first embodiment of the present invention.
• FIG. 5 is composed of three diagrams (g), (h) and (i), illustrating another example of a configuration of a hydraulic circuit incorporated in a helix according to the first embodiment of the present invention.
• FIG. 6 is composed of three diagrams (j), (k) and (1), illustrating another example of a configuration of a hydraulic circuit incorporated in a propeller according to the first embodiment of the present invention.
• FIG. 8 is composed of three schemes (m), (n), (o), respectively illustrating various configurations of a cooling system according to the first embodiment of the invention.
• FIG. 9 is composed of two diagrams (a) and (b) respectively illustrating in perspective various arrangements of a cooling system of a motor vehicle equipment according to the second embodiment of the present invention.
• FIG. 10 is a front view of a motor-fan unit according to the second embodiment of the present invention.
• FIG. 11 is composed of three diagrams (c), (d) and (e), respectively illustrating various arrangements of a hydraulic circuit incorporated in a stator which comprises a motor-fan unit according to the second embodiment of the present invention; invention.
• an equipment 1 of a motor vehicle is provided with a cooling system 2 by heat exchange between a heat transfer fluid Fe and an air flow Fx
• the equipment 1 to be cooled is potentially:
• an electric motor and generally all components of the vehicle power train provided by an electric motor, and / or
• the cooling system 2 of the equipment 1 implements a motor-fan unit 3 setting in motion an air flow Fx which passes through a heat exchanger 8 intended to dissipate the heat generated by the equipment 1
• a heat exchanger for example takes the form of at least one main radiator 8a preferably participating in the cooling of the equipment 1.
• the heat exchanger can for example also be formed by a gas cooler or a condenser an air conditioning loop.
• the cooling system 2 comprises a delivery circuit 4 of the heat transfer fluid Fe between the equipment 1 and a hydraulic circuit integrated in a propeller 5 fitted to the motor-fan unit 3. It will be noted that the hydraulic circuit integrated in the propeller 5 , described below in connection with FIGS. 3 to 7, is not shown in the diagrams of FIG. 1 and FIG. 8 so as not to overload these figures.
• the hub 9 carries blades 10 which set the air flow Fx into motion as a result of the rotation of the propeller 5.
• the blades 10 extend radially between their proximal end engaged with the hub 9 and their distal end engaged with a ring gear 11 extending at the periphery of the propeller 5.
• the hub 9 comprises, for example, a housing 12 for receiving the motor. 7 training.
• This housing 12 may in particular be provided with connecting members 13 in rotation between the hub 9 of the propeller 5 and a drive shaft fitted to the motor 7, as for example illustrated in the diagram (e) of Figure 4 .
• the heat transfer fluid Fe can also be conveyed to a heat exchanger 8, for example used as a radiator 8a for dissipating the calories in the air flow F.sub.x
• the flow of the heat transfer fluid Fe in the heat exchanger 8 and the flow heat transfer fluid in the helix 5 may be in series or in parallel, the heat exchanger 8 may be upstream or downstream of the helix 5, in the flow direction of the fluid Fe.
• the routing circuit 4 comprises an upstream pipe 16 conveying the heat-transfer fluid Fe from the equipment 1 to the propeller 5 of the fan motor unit 3, and a downstream pipe 17 conveying the heat transfer fluid Fe from the propeller 5 of the fan motor unit 3 to the equipment 1.
• the drive motor 7 is axially arranged vis-à-vis the equipment 1 while the rotating hydraulic connection 18 is axially arranged on the motor-fan unit 3 opposite the drive motor 7.
• FIGS. 3 and 4, FIG. 5 and FIG. 6 illustrate exemplary configurations of the hydraulic circuit extending inside the helix 5.
• the bottom 9a comprises the housing 12 for receiving the drive motor 7.
• the housing 12 opens on the outside of the hub 9 at one of its axial faces opposite its other axial face capped the lid 9b.
• At least one inlet duct 20a distributes the heat-transfer fluid Fe towards at least one channel formed in a first blade 10, this channel then forming a first channel 21a.
• the channel or channels 21a of the blades 10 are respectively connected to at least one peripheral channel 29 extending along the ring 11.
• the ring 11 is internally hollowed out to delimit at least the peripheral channel 29, having one or more closing partitions 30 of this recess.
• Such partitions 30 extend for example radially to segment indoors recess of the ring 11 into at least one peripheral channel 29.
• one or more peripheral channels 29 extend at least partially along the ring 11.
• the peripheral channel or channels 29 are also respectively connected to at least one channel opening on an outlet conduit 20b, called the last channel 21b.
• the reference S illustrates the direction of circulation of the coolant Fe from its admission inside the helix 5 through the inlet port 19a to its evacuation out of the helix 5 through the orifice of exit 19b.
• hydraulic circuits 31a, 31b, 31c respectively illustrated in Figures 3, 5 and 6, are at least each successively composed of at least one orifice d input 19a, at least one input conduit 20a, at least one first channel 21a, at least one peripheral channel 29, at least one last channel 21b, at least one output conduit 20b and at least one outlet 19b.
• a first hydraulic circuit 31a comprises an inlet orifice 19a distributing the coolant Fe to the inlet duct 20a. The latter distributes the coolant Fe to a first blade 10 housing the first channel 21a.
• the flow of air Fx generated by the motor-fan unit 3 passes successively through the condenser 8c if present, the radiator appendix 8b at low temperatures if it is present, then the main radiator 8a, said high temperatures.
• the flow air Fx is likely to be generated by blowing as in the schemes (m) to (o) illustrates.
• the air flow Fx is pushed by the propeller 5 to the heat exchanger or exchangers, the propeller 5 being disposed in front of the exchangers.
• the air flow Fx is likely to be generated by suction.
• the air flow Fx is sucked by the propeller 5 through the heat exchanger or exchangers, the propeller 5 being disposed after the heat exchangers, in particular between these and the equipment 1 .
• Diagrams (c), (d) and (e) of FIG. 11 respectively illustrate various examples of arrangement of the hydraulic circuit 31a, 31b and 31c formed inside the stator 7a.
• At least one first annular channel 50a extends at least partly along the ring 50.
• the component or components 50, 51 and / or 52b stator 7a are individually or collectively arranged in double shells assembled axially with each other, particularly by sealing.
• the radiator or radiators 8a, 8b, or even the condenser 8c are successively arranged one after the other in the direction of movement of the air flow Fx, in particular parallel to their general plane.
• the flow of air Fx generated by the motor-fan unit 3 passes successively through the condenser 8c if present, the radiator appendix 8b at low temperatures if it is present, then the main radiator 8a, said high temperatures.
• the flow of air Fx is likely to be generated by blowing as in the diagrams (f) to (h) illustrates. In this embodiment, the air flow Fx is pushed by the propeller 5 to the heat exchanger or exchangers, the propeller 5 being disposed in front of the exchangers.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Combustion & Propulsion (AREA)
• Chemical & Material Sciences (AREA)
• Thermal Sciences (AREA)
• Physics & Mathematics (AREA)
• Life Sciences & Earth Sciences (AREA)
• Birds (AREA)
• Insects & Arthropods (AREA)
• Pest Control & Pesticides (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Environmental Sciences (AREA)
• Structures Of Non-Positive Displacement Pumps (AREA)

Applications Claiming Priority (3)

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• 2017
  • 2017-02-24 EP EP17712192.8A patent/EP3423719A1/de not_active Withdrawn
  • 2017-02-24 US US16/081,679 patent/US20190170158A1/en not_active Abandoned
  • 2017-02-24 WO PCT/FR2017/050417 patent/WO2017149227A1/fr active Application Filing

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