• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a suction blower (1) for a heating, ventilation and / or air-conditioning device of a motor vehicle, comprising a turbine (2), separating means (14) able to delimit a first channel. air circulation device allowing the flow of a first air flow intended to pass through a first axial portion (5) of the turbine (2) and a second air circulation channel allowing the flow of a second air flow for passing through a second axial portion (6) of the turbine (2). The separation means comprising a tubular member (14) delimiting an internal space forming at least a part of the first air circulation channel, the second air circulation channel extending outside the tubular member ( 14). A filter (35) is mounted upstream of the turbine and the tubular member in a housing (21).
    公开号:FR3014029A1
    申请号:FR1362058
    申请日:2013-12-04
    公开日:2015-06-05
    发明作者:Philippe Vincent
    申请人:Valeo Systemes Thermiques SAS；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a suction blower for a heating, ventilation and / or air conditioning device of a motor vehicle. The patent application FR 2 788 086, in the name of the Applicant, discloses a suction blower comprising a cylindrical turbine capable of being rotated about its axis, separating means capable of delimiting a first circulation channel of air allowing the flow of a first air flow intended to pass through a first axial part of the turbine and a second air circulation channel allowing the flow of a second air flow intended to pass through a second part axial of the turbine.
    [0002] The separation means comprise a tubular member mounted at a first end of said turbine and defining an internal space forming a portion of the first air flow channel, the second air circulation channel extending to the outside the tubular organ.
    [0003] The suction blower further comprises air intake means comprising a housing covering the first end of the turbine and the tubular member, said air intake means being adapted to direct a first air flow in the first airflow channel, and directing a second airflow into the second airflow channel.
    [0004] Such a blower is called "mono-suction" because the air enters the blower on one side of the turbine, namely on the side where is located the housing and the tubular separation member. The aforementioned blower can separate two air flows, namely a recirculating air flow and a flow of air from outside the vehicle.
    [0005] In general, the recirculation of air, that is to say to draw air into the passenger compartment of the vehicle, and then to condition it (that is to say to heat it or to cool it) before returning it to the passenger compartment, improves the comfort of the user. Indeed, the air taken from the passenger compartment is already at a temperature close to the target temperature to reach, it allows to quickly arrive at the temperature desired by the user. However, recycled air is more loaded with moisture than air from outside the vehicle. Also, if recycled air is sent into the passenger compartment near the windshield (air vents in front of the driver or front passenger, for example) or directly on the windshield, the humidity included in the air can condense on the windshield and create mist. A choice may then be to condition external air to send it into the cockpit near the windshield or directly on it, and to condition the air of recycling to send it in the air. cockpit away from the windshield, at the other air vents.
    [0006] In order to improve the quality of the air sent to the cabin, it is necessary to filter the particles present in the air. The easiest solution to implement is to place one or more filters downstream of the suction blower. In this case, however, the disassembly and replacement of the filter are not easy.
    [0007] There is therefore a need to be able to place the filter in an area that is easily accessible, without, however, significantly increase the size of the heating, ventilation and / or air conditioning of a motor vehicle. The object of the invention is in particular to provide a simple, effective and economical solution to this problem. For this purpose, it proposes a suction blower intended for a heating, ventilation and / or air-conditioning device of a motor vehicle, the blower comprising a cylindrical or conical turbine capable of being driven in rotation about the axis of said turbine, separation means 30 capable of delimiting a first air circulation channel allowing the flow of a first air flow intended to pass through a first axial portion of the turbine and a second air circulation channel allowing the flow of a second air flow intended to pass through a second axial portion of the turbine, said separation means comprising a tubular member mounted at the location of a first end of said turbine and delimiting an internal space forming at at least a portion of the first air flow channel, the second air flow channel extending outside the tubular member, air supply means comprising a housing reco passing the first end of the turbine and the tubular member, said air supply means being adapted to direct a first air flow in the first air flow channel, and to direct a second air flow in the second air circulation channel, characterized in that said housing comprises a filter intended to be traversed by the first and the second air flow. Placing the filter in the housing makes it possible to place the filter upstream of the turbine, without requiring substantially increasing the size of the suction blower. The latter is also generally placed in an easily accessible place of the vehicle, which allows to easily remove and replace the filter, for example from the glove box of the vehicle.
    [0008] Note that the tubular member is not necessarily cylindrical but may have complex shapes including in particular at least one rectangular zone, cylindrical and / or flared. According to one characteristic of the invention, the housing comprises two lateral zones respectively comprising a first orifice equipped with a first stop means and a second orifice equipped with a second stop means, said stop means being movable between an open position allowing the passage of a flow of air through the corresponding orifice and a closed position prohibiting such an air flow passage, the housing further comprising a central zone comprising a third and a fourth orifices provided with at least one valve for controlling the opening and / or closing of said third and fourth orifices so as respectively to allow or prevent the passage of air flow through said third and fourth orifices, the first orifice and the second orifice; orifice being situated facing the filter and the second air circulation channel, extending outside the tubular member, the third orifice and the fourth orifice ice being located opposite the filter and the first air flow channel, extending inside the tubular member. In this way, depending on the positions of the stop means and the valve, it is possible to direct the corresponding flows to the first air flow channel and / or to the second air flow channel. Advantageously, the valve of the third and fourth orifices is movable between a first position in which it opens the third port and closes the fourth port, and a second position in which it closes the third port and opens the fourth port.
    [0009] Preferably, the turbine defines an internal space in which is housed a first end of the tubular member, said tubular member having inner and outer surfaces flaring towards the first end of the tubular member, the tangents to said surfaces. internal and external, at the first end of the tubular member, being directed in a radial plane located opposite the delimitation between the first and second axial portions of the turbine. In this way, the first and second air streams are directed respectively to the first and second axial portions of the turbine by the tubular member. In this case, the suction blower may comprise a deflector housed in the internal space of the turbine and delimiting, with the flared portion of the inner surface of the tubular member, a portion of the first air circulation channel. . Advantageously, the radially outer edge of the deflector 30 extends in a substantially radial plane, facing a second end of the turbine.
    [0010] In addition, the housing may internally delimit an air passage opening having a first dimension along a first axial plane and a second dimension along a second axial plane, transverse to the first plane, the second end of the tubular member extending over the entire first dimension of said opening in the first axial plane and only a portion of the second dimension of said opening in the second axial plane. Thus, the second air flow can flow between the inner wall of the housing and the outer surface of the tubular member, on a portion of the opening of the housing. According to another characteristic of the invention, the housing delimits internally an air passage opening, intended to be traversed by the air flow or flows, the filter extending over the entire section of said passage opening of air.
    [0011] The invention also relates to a heating, ventilation and / or air-conditioning device for a motor vehicle, comprising at least one external air supply channel and at least one recycling air inlet channel, characterized in that it comprises a suction blower of the aforementioned type, characterized in that the first port and the third port are in communication with the recirculating air supply channel, the second port and the fourth port being in communication with the external air inlet channel. The device may comprise a first output channel for supplying at least a first zone of the passenger compartment of the vehicle and a second output channel for supplying at least a second zone of the passenger compartment of the vehicle, the first output channel comprising an inlet located facing the first axial portion of the turbine, the second outlet channel having an inlet located opposite the second axial portion of the turbine.
    [0012] For example, the two separate outlet channels can separate an air stream coming from recirculating air and another air stream coming from outside the vehicle. As indicated above, the air taken outside the vehicle is preferably rejected in the passenger compartment of the vehicle, after heating or cooling, close to or directly on the windshield. Conversely, the recycled air is preferably released into the passenger compartment of the vehicle, after heating or cooling, away from the windshield. The invention will be better understood and other details, features and advantages of the invention will become apparent on reading the following description given by way of non-limiting example with reference to the accompanying drawings, in which: FIG. 1 is a view schematic and in axial section of a suction blower of the prior art, - Figure 2 is a schematic view in axial section of a suction blower of the invention, according to the plane P1 of Figure 3 , and illustrates a first mode of operation, - Figure 3 is a schematic axial sectional view of the suction blower of Figure 2, along the plane P2 of Figure 1, and illustrates the first mode of operation, - the FIGS. 4 and 5 are views respectively corresponding to FIGS. 2 and 3, illustrating a second mode of operation of the invention; FIGS. 6 and 7 are views respectively corresponding to FIGS. 2 and 3, illustrating a third mode of operation; of the inve ntion. FIG. 1 represents a suction blower 1 known from the patent application FR 2 779 503. This comprises a turbine 2 of generally cylindrical shape, of axis A. The turbine comprises blades 3 at its radially outer periphery and delimits Cylindrical space 4. The turbine 2 has a first axial portion 5 extending from the end 7 of the turbine 2 to an axially central zone, a second axial portion 6 extending from said central zone to at another end 8 of the turbine 2. A deflector 9 is attached to the turbine 2. The latter is in the form of a part of revolution of axis A, whose generator includes a radially outer radiused area 10 of which the concavity is turned upwards, that is to say in the direction of the end 8 of the turbine 2, the deflector 9 further comprising a central zone 11 in the form of a disc perpendicular to the axis A, at the level of which is attached a tree rotary drive 12 of an electric motor 13. The radially outer periphery of the deflector 9 has a tangent extending in a radial plane and is fixed to the lower end 7 of the turbine 2. The terms up and down are defined here with reference to the figures and have no limiting character. A tubular member 14 for airflow separation is mounted partly in the internal space 4 of the turbine 2, from the upper end 8 of the turbine 2. This tubular member 14 comprises a cylindrical upper part 15 and a part low 16 flaring down. The lower part has a form of revolution of axis A, whose generator is rounded and has its concavity turned upwards. The inner surface (facing downwards) of the flared portion 16 is substantially parallel to the outer surface (facing upwards) of the deflector 9. A casing 17 surrounds the turbine 2 and the motor 13, said casing 17 having two channels 18 , 19 extending respectively facing the parts 5, 6 of the turbine 2. The housing 17 comprises in particular an annular partition wall 20 for defining the two channels 18, 19. The tubular member 14 is fixed relative to the housing 17. In operation, the motor 13 rotates the baffle 9 and the turbine 2. A first air flow FR, such as for example air taken from the passenger compartment (also called recirculation air or recycled air ) and having undergone a conditioning step (heating, air conditioning), is sent inside the tubular member 14. This air flow FR is directed by the corresponding surfaces of the deflector 9 and the tubular member 14. look at the axia part the bottom 5 of the turbine 2. After having passed through the blades 3 of the turbine 2, this air flow FR enters the channel 18, the latter opening into the passenger compartment of the vehicle, for example away from the windshield. A second air flow FE, such as for example that air taken outside the vehicle and having undergone a conditioning step (heating, air conditioning), is sent outside the tubular member 14.
    [0013] This air flow FE is directed by the corresponding surface of the tubular member 14 facing the upper axial portion 6 of the turbine 2. After having passed through the blades 3 of the turbine 2, this air flow FE enters the channel 19, the latter opening into the passenger compartment of the vehicle, for example near or directly facing the windshield.
    [0014] A single blower thus makes it possible to generate two distinct air flows. The invention illustrated in FIGS. 2 to 7 sets out to define the manner in which the air is brought into the movable member 14 or outside thereof, and provides for filtering the air.
    [0015] Figures 2 and 3 illustrate a suction blower 1 according to one embodiment of the invention. This has substantially the same characteristics as the blower discussed above, with the exception of the characteristics detailed below. In this embodiment of the invention, the suction blower 1 comprises an additional housing 21, fixed above the upper opening 22 of the housing 17. The additional housing 21 delimits an internal space 23 open towards the bottom of the housing. in order to allow the entry of air into the turbine 2 and / or into the tubular member 14. The internal space 23 of the additional housing 21 thus defines an air passage opening comprising a first dimension d1 according to a first axial plane P1 and a second dimension d2 along a second axial plane P2, the second plane P2 being perpendicular to the first plane P1. In the case where the air passage opening is circular or square, the two dimensions d1, d2 are identical. The upper end 24 of the tubular member 14, of substantially rectangular section, extends over the entire first dimension d1 in the first axial plane P1 and only a portion of the second dimension d2 in the second axial plane P2. The upper portion 24 of the tubular member is connected to the cylindrical portion 15 by a progressive connection zone, the cylindrical portion 15 itself being extended downwards by the flared portion 16. Thus, in the plane P1, the Air can flow into the side passages 34 located between the outer surface of the tubular member 14 and the inner wall of the housing 23 or the edge of the opening 22 of the housing 17 (Figure 2). The upper part of the additional housing 21 has four air passage orifices, namely two orifices referenced 25 and 27, located opposite the outlet of a conduit 29 of recirculating air inlet, and two orifices referenced 26 and 28, located opposite the outlet of a duct 30 for supplying air outside the vehicle. The orifices 25, 26 are each closed by a stop valve 31, 32 or by a flap movable between open or closed positions of the corresponding orifice. In addition, a movable valve 33 makes it possible to control the opening or closure of the orifices 27 and 28. More particularly, the valve 33 is movable between a first position in which it closes the orifice 27 and opens the orifice 28, and a second position in which it closes the orifice 28 and opens the orifice 27. The orifices 25 and 26 are located opposite the lateral passages 34 and the orifices 27 and 28 are located facing the upper opening 24 of the tubular member 14.
    [0016] A filter 35 is mounted in the additional housing 21 and occupies the entire surface of the air passage opening in view of its position in the suction blower 1. Such a filter 35 can be easily removed by opening or by removing the additional housing 21 accessible for example from the glove box of the vehicle. The filter 35 is mounted axially between the orifices 25 to 28 and the upper end 24 of the tubular member 14, situated in the lower part of the additional box 21. FIGS. 2 and 3 illustrate a first mode of operation in which the orifices 26 and 28 are open and in which the orifices 25 and 27 are closed. In this case, outside air FE enters the orifice 28, passes through the filter 35 and the tubular member 14, the lower part 5 of the turbine 2, and enters the channel 18. At the same time, air external FE also penetrates through the orifice 26, passes through the filter 35, the upper part 6 of the turbine 2 and enters the channel 19. Such a mode of operation may for example be used when heating the outside air FE (for example in winter or mid-season). Figures 4 and 5 illustrate a second mode of operation in which the orifices 26 and 27 are open and in which the orifices 25 and 28 are closed. In this case, FR recirculation air enters through the orifice 27, passes through the filter 35 and the tubular member 14, the lower part 5 of the turbine 2, and enters the channel 18. Meanwhile, the Outside air FE enters the orifice 26, passes through the filter 35, the upper part 6 of the turbine 2 and enters the channel 19. Such a mode of operation may for example be used in the case of air heating (for example example in winter or mid-season) and reduces the time required to reach a set temperature, the temperature of the air taken from the passenger compartment being higher than the temperature of the external air.
    [0017] Figures 6 and 7 illustrate a third mode of operation in which the orifices 25 and 27 are open and in which the orifices 26 and 28 are closed. In this case, recirculation air enters through the orifice 27, passes through the filter 35 and the tubular member 14, the lower part 5 of the turbine 2, and enters the channel 18. At the same time, air recycling FR penetrates through the orifice 25, passes through the filter 35, the upper part 6 of the turbine 2 and enters the channel 19. Such a mode of operation may for example be used in case of air conditioning (by example in summer). Indeed, in such a case, the humidity in the air of the passenger compartment tends to condense during its passage through the evaporator for cooling the air. This recycling air is therefore not or little loaded with moisture and can be sent into the passenger compartment near the windshield.
    权利要求:
    Claims (10)
    [0001]
    REVENDICATIONS1. Suction blower (1) for a heating, ventilation and / or air-conditioning device of a motor vehicle, the blower comprising a cylindrical or conical turbine (2) adapted to be rotated about the axis (A) of said turbine (2), separating means (14) able to delimit a first air circulation channel allowing the flow of a first air flow intended to pass through a first axial part (5) of the turbine (2) and a second air circulation channel allowing the flow of a second air flow intended to pass through a second axial portion (6) of the turbine (2), said separation means comprising a tubular member ( 14) mounted at the location of a first end (8) of said turbine (2) and delimiting an internal space forming at least a part of the first air circulation channel, the second air circulation channel s' extending outside the tubular member (14), air intake means comp housing a housing (21) covering the first end (8) of the turbine (2) and the tubular member (14), said air inlet means being adapted to direct a first air flow in the first channel of air circulation, and to direct a second air flow in the second air circulation channel, characterized in that said housing (21) comprises a filter (35) intended to be traversed by the first and the second air flow.
    [0002]
    2. suction blower (1) according to claim 1, characterized in that the housing (21) comprises two lateral zones respectively comprising a first orifice (25) equipped with a first stop means (31) and a second orifice (26) equipped with a second stop means (32), said stop means (31, 32) being movable between an open position allowing the passage of a flow of air through the corresponding orifice (25, 26) and a closed position preventing such an airflow passage, the housing (21) further comprising a middle zone having a third and a fourth orifices (27, 28) provided with at least one valve (33) for controlling opening and / or closing of said third and fourth ports (27, 28) to respectively allow or inhibit passage of airflow through said third and fourth ports (27, 28) , the first orifice (25) and the second orifice (26) being situated opposite the filter (35) and u second air circulation channel, extending outside the tubular member (14), the third orifice (27) and the fourth orifice (28) being located facing the filter (35) and the first airflow channel extending into the tubular member (14).
    [0003]
    3. suction blower (1) according to claim 2, characterized in that the valve (33) of the third and fourth orifices (27, 28) is movable between a first position in which it opens the third orifice (27) and closes the fourth port (28), and a second position in which it closes the third port (27) and opens the fourth port (28).
    [0004]
    4. suction blower (1) according to one of claims 1 to 3, characterized in that the turbine (2) defines an internal space (4) in which is housed a first end of the tubular member (14) , said tubular member (14) having inner and outer surfaces flaring towards the first end of the tubular member (14), the tangents to said inner and outer surfaces, at the first end of the tubular member (14), being directed in a radial plane located opposite the delimitation between the first and second axial portions (5, 6) of the turbine (2).
    [0005]
    5. suction blower (1) according to claim 4, characterized in that it comprises a deflector (9) housed in the inner space (4) of the turbine (2) and defining, with the flared portion (16). ) of the inner surface of the tubular member (14), a portion of the first airflow channel.
    [0006]
    6. suction blower (1) according to claim 5, characterized in that the radially outer edge of the deflector (9) extends in a substantially radial plane, facing a second end (7) of the turbine ( 2).
    [0007]
    7. suction blower (1) according to one of claims 1 to 6, characterized in that the housing (21) internally defines an air vent opening having a first dimension (dl) in a first axial plane (P1 ) and a second dimension (d2) along a second transverse axial plane (P2) in the foreground (P1), the second end (24) of the tubular member (14) extending over the entire first dimension (dl) said opening in the first axial plane (P1) and only a part of the second dimension (d2) of said opening in the second axial plane (P2).
    [0008]
    8. suction blower (1) according to one of claims 1 to 7, characterized in that the housing (21) internally defines an air passage opening, to be traversed by the air flow or flows the filter (35) extending over the entire section of said air passage opening.
    [0009]
    9. Heating, ventilation and / or air conditioning device of a motor vehicle, comprising at least one external air supply channel (30) and at least one recycling air inlet channel (29), characterized in that it comprises a suction blower (1) according to one of claims 2 to 8, characterized in that the first orifice (25) and the third orifice (27) are in communication with the duct. recirculating air inlet (29), the second port (26) and the fourth port (28) being in communication with the external air supply channel (30).
    [0010]
    10. Device according to claim 9, characterized in that it comprises a first output channel (18) for supplying at least a first zone of the passenger compartment of the vehicle and a second outlet channel (19) for supplying the vehicle. at least one second zone of the passenger compartment of the vehicle, the first outlet channel (18) having an inlet facing the first axial portion (5) of the turbine (2), the second outlet channel (19) having a inlet located opposite the second axial portion (6) of the turbine (2).
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    同族专利:
    公开号 | 公开日
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    US10421336B2|2019-09-24|
    CN106415019B|2020-01-03|
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    CN106415019A|2017-02-15|
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    法律状态:
    2015-12-31| PLFP| Fee payment|Year of fee payment: 3 |
    2016-12-29| PLFP| Fee payment|Year of fee payment: 4 |
    2018-01-02| PLFP| Fee payment|Year of fee payment: 5 |
    2019-12-31| PLFP| Fee payment|Year of fee payment: 7 |
    2020-12-31| PLFP| Fee payment|Year of fee payment: 8 |
    2021-12-31| PLFP| Fee payment|Year of fee payment: 9 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1362058A|FR3014029B1|2013-12-04|2013-12-04|SUCTION PULSER FOR A DEVICE FOR HEATING, VENTILATION AND / OR AIR CONDITIONING OF A MOTOR VEHICLE|FR1362058A| FR3014029B1|2013-12-04|2013-12-04|SUCTION PULSER FOR A DEVICE FOR HEATING, VENTILATION AND / OR AIR CONDITIONING OF A MOTOR VEHICLE|
    PCT/EP2014/076177| WO2015082436A1|2013-12-04|2014-12-02|Suction pulser intended for a heating, ventilation and/or air-conditioning device of a motor vehicle|
    CN201480074757.3A| CN106415019B|2013-12-04|2014-12-02|Suction blower for a heating, ventilating and/or air conditioning system of a motor vehicle|
    EP14808577.2A| EP3077678B1|2013-12-04|2014-12-02|Suction pulser intended for a heating, ventilation and/or air-conditioning device of a motor vehicle|
    US15/101,598| US10421336B2|2013-12-04|2014-12-02|Suction pulser intended for a heating, ventilation and/or air-conditioning device of a motor vehicle|
    JP2016536751A| JP6313859B2|2013-12-04|2014-12-02|Suction blower for automotive heating, ventilation and / or air conditioning|
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