Vehicle ventilator

Abstract

The invention relates to a ventilator (10) comprising: a ventilation duct (12) extending along a first axis and comprising a first section and a second section adjacent to each other; at least one longitudinal wall (14, 114, 214), the at least one longitudinal wall extending in the second section; and a vane (16) rotatable relative to the duct; the fins are disposed in the first section. The second section comprising at least two channels (40, 42, 44) separated by at least one longitudinal wall; and the flap comprises a first panel (50) and a second panel (52). Each of the panels is movable relative to the duct between an open position and a closed position. In the closed position of each of the panels, at least one of the channels (40, 42, 44) of the second section is at least partially blocked by the panel.

Description

Technical Field

[0001] The present invention relates to a type of ventilator comprising: a ventilation duct extending between an inlet and an outlet; the duct including a first section and a second section adjacent to each other; at least the second section extending along a first axis; at least one longitudinal wall extending in the second section; and a vane rotatable relative to the duct; the vane being disposed in the first section of the duct and near the second section. Background Technology

[0002] This invention is particularly applicable to ventilation fans intended for use in the passenger compartments of vehicles (especially motor vehicles). Such ventilation fans are specifically disclosed in document EP1765619, representing the applicant.

[0003] When operating at high performance levels, the vanes in the ventilator described in this background art are subjected to significant pressure differentials. This leads to premature wear of the ventilator's mechanical components. Summary of the Invention

[0004] The object of this invention is to provide a ventilator that includes a mechanism capable of withstanding the forces it experiences during operation.

[0005] Therefore, the object of the present invention is a ventilator of the aforementioned type, wherein: the at least one longitudinal wall is fixed relative to the duct; the second section includes at least two channels separated by the longitudinal wall; and the vane includes a first panel and a second panel, the first panel and the second panel being movable relative to the duct along a second rotation axis and a third rotation axis, respectively, the second rotation axis and the third rotation axis being perpendicular to the first axis; each of the first panel and the second panel is rotatable between an open position and a closed position, such that in the closed position of each of the first panel and the second panel, at least one of the channels of the second section is at least partially blocked by the first panel or the second panel.

[0006] According to other advantageous aspects of the invention, the ventilator includes one or more of the following features, either individually or in any technically feasible combination:

[0007] - The at least two channels in the second section are substantially parallel to each other;

[0008] - The first panel and the second panel each include a first substantially straight inner edge and a second substantially straight inner edge, such that when the first panel and the second panel are in the closed position, the first inner edge and the second inner edge face each other;

[0009] - The pipe has an inner wall with a substantially circular cross-section; each of the first panel and the second panel includes a substantially arcuate outer edge; and in the closed position of each of the first panel and the second panel, the outer edge of the panel is substantially molded to the inner wall of the pipe;

[0010] - The ventilator includes a plurality of longitudinal walls fixed relative to the duct; wherein the second section includes a plurality of channels angled around the first axis, two adjacent channels being separated by one of the longitudinal walls; and wherein each of the first panel and the second panel is also rotatable relative to the duct about the first axis.

[0011] - The winglet also includes a support member that is rotatable about the first axis relative to the pipe, and each of the first panel and the second panel is hinged to the support member along the second axis and along the third axis, respectively;

[0012] -The second axis and the third axis coincide;

[0013] - The ventilator also includes internal components disposed along the first axis in the second section of the duct; and wherein these longitudinal walls, or each of these longitudinal walls, extends radially from the internal components;

[0014] - The support member of the winglet is hinged to the internal element along the first axis;

[0015] - The first panel includes notches forming corner portions of the first panel;

[0016] - The ventilator is configured such that: in the angular configuration of the first panel relative to the first axis in the closed position, the first channel of these channels is blocked by the first panel; and the second channel of the channels, separated from the first channel by one of the longitudinal walls, is disposed opposite to the notch of the first panel;

[0017] - The ventilator includes n longitudinal walls regularly distributed around the first axis and defining n parallel channels, where n is an integer greater than or equal to 3; and the notch of the first panel is configured such that in the corner configuration of the first panel in the closed position, at least two adjacent channels of the parallel channels face the opening.

[0018] The present invention also relates to a vehicle, particularly a motor vehicle, which includes a ventilator as described herein. Attached Figure Description

[0019] The invention will become clearer when reading the following description, given only by way of non-limiting example and with reference to the accompanying drawings, in which:

[0020] [ Figure 1 ][ Figure 1 [This is a rear view of a ventilator in a first configuration according to an embodiment of the present invention;]

[0021] [ Figure 2 ][ Figure 2 ]yes[ Figure 1 The cross-sectional view of the ventilator shown; and

[0022] [ Figure 3 ][ Figure 3 ]yes[ Figure 1 ]and Figure 2 The ventilator shown is in a transparent perspective view of the second configuration. Detailed Implementation

[0023] Figures 1 to 3 A ventilator 10 according to one embodiment of the present invention is depicted. In the illustrated embodiment, the ventilator 10 is installed in the passenger compartment of a vehicle (not shown), preferably in the passenger compartment of a motor vehicle.

[0024] The ventilator 10 specifically includes: a ventilation duct 12; at least one longitudinal wall 14, 114, 214; and fins 16. In the depicted embodiment, the ventilator 10 also includes: internal components 18; and an actuation device 20 and an electronic control module 22, such as […]. Figure 2 As depicted.

[0025] Ventilation duct 12 extends between air inlet 24 and air outlet 26. Duct 12 includes a first section 28 and a second section 30 adjacent to each other, the first section 28 and the second section 30 leading to inlet 24 and outlet 26, respectively.

[0026] At least the second segment 30 is substantially straight and extends along the first axis 32. In the depicted embodiment, the first segment 28 also extends along the first axis 32.

[0027] Preferably, the ventilation duct 12 has a substantially circular internal cross-section. More preferably, the duct 12 includes a first inner wall 34, which is substantially cylindrical about a first axis 32 and extends at least along a first segment 28.

[0028] In the depicted embodiment, the first inner wall 34 also extends over a portion of the second section 30; and the conduit 12 further includes a second substantially truncated conical inner wall 36 disposed between the first inner wall 34 and the air outlet 26.

[0029] These longitudinal walls 14, 114, 214, or each of these longitudinal walls, extend in the second section 30. Preferably, these longitudinal walls 14, 114, 214, or each of these longitudinal walls, extend substantially in a plane containing the first axis 32.

[0030] These longitudinal walls 14, 114, 214, or each of these longitudinal walls, are fixed relative to the pipe 12. Preferably, these longitudinal walls 14, 114, 214, or each of these longitudinal walls, are fixed to the first inner wall 34 and / or the second inner wall 36 of the pipe 12.

[0031] These longitudinal walls 14, 114, 214, or each of these longitudinal walls, include an upstream edge 38 facing the first segment 28. In the depicted embodiment, the upstream edge 38 of these longitudinal walls 14, 114, 214, or each of these longitudinal walls is substantially straight and perpendicular to the first axis 32.

[0032] The second section 30 of the conduit 12 includes at least two parallel channels 40, 42, 44, which are separated from each other by longitudinal walls 14, 114, 214 or by one of these longitudinal walls.

[0033] Preferably, the ventilator 10 includes a plurality of longitudinal walls 14, 114, 214 angled around a first axis 32; and the second section includes a plurality of parallel channels 40, 42, 44, with two adjacent channels separated by one of the longitudinal walls 14, 114, 214. Preferably, the upstream edges 38 of the longitudinal walls 14, 114, 214 are substantially disposed in the same plane perpendicular to the first axis 32.

[0034] More preferably, the longitudinal walls 14, 114, 214 are distributed at angles in a regular manner around the first axis 32; and two adjacent longitudinal walls 14, 114 are separated by the same angle α1.

[0035] More specifically, in the depicted embodiment, the ventilator 10 includes eight longitudinal walls 14, 114, 214, which are distributed at regular angles around a first axis 32, with angle α1 equal to 45°. The longitudinal walls define eight parallel channels 40, 42, 44, which are separated in pairs by one of the longitudinal walls 14, 114, 214. The longitudinal walls will be disclosed in more detail below.

[0036] The wing 16 includes a first panel 50 and a second panel 52, each of which has a substantially planar shape.

[0037] Each of the first panel 50 and the second panel 52 is rotatable relative to the pipe 12. Specifically, the first panel 50 and the second panel 52 are movable relative to the pipe 12 along a second rotation axis 54 and a third rotation axis 56, respectively. The second rotation axis 54 and the third rotation axis 56 are parallel to each other and perpendicular to the first axis 32.

[0038] Preferably, the second rotation axis 54 and the third rotation axis 56 are disposed on both sides of the first axis 32. Preferably, the second rotation axis 54 and the third rotation axis 56 are very close to each other, or even substantially coincident.

[0039] The winglet 16 is disposed in the first section 28 and near the second section 30. Preferably, the second rotation axis 54 and the third rotation axis 56 are disposed near the upstream edge 38 of the longitudinal walls 14, 114, 214.

[0040] Each of the first panel 50 and the second panel 52 can be Figure 1 and Figure 2 The described opening position is consistent with [ Figure 3 Rotate between the closed positions depicted.

[0041] In the closed position of each of the first panel 50 and the second panel 52, at least one of the parallel channels 40, 42, 44 of the second segment 30 is at least partially blocked by the first panel or the second panel. More specifically, in the closed position of each of the first panel 50 and the second panel 52, the upstream edge 38 of at least one of the longitudinal walls 14, 114, 214 is close to or in contact with the first panel 50 or the second panel 52.

[0042] In the closed position, each of the first panel 50 and the second panel 52 is substantially perpendicular to the first axis 32. Figure 1 and Figure 2 In the open position, each of the first panel 50 and the second panel 52 is substantially parallel to the first axis 32.

[0043] In the depicted embodiment, the first panel 50 and the second panel 52 each include a first substantially straight inner edge 60 and a second substantially straight inner edge 62. When the first panel 50 and the second panel 52 are in the closed position, as shown in […] Figure 3 As shown, the first inner edge 60 and the second inner edge 62 face each other.

[0044] More specifically, in the depicted embodiment, the first inner edge 60 and the second inner edge 62 extend along the second axis 54 and along the third axis 56, respectively.

[0045] Furthermore, in the depicted embodiment, the first panel 50 and the second panel 52 each include a first outer edge 64 and a second outer edge 66 that are substantially arcuate; and in the closed position of each of the first panel and the second panel, the outer edges 64, 66 of the panels are substantially molded to the first inner wall 34 of the conduit 12.

[0046] In the depicted embodiment, the first panel 50 includes an opening 68. More specifically, the first outer edge 64 includes a notch 68.

[0047] Preferably, the corner portion α2 formed by the notch 68 is equal to angle α1 or a multiple of angle α1, and is separated from the corner portion by two adjacent longitudinal walls 14, 114. In the depicted embodiment, the corner portion α2 is equal to 2α1.

[0048] In the depicted embodiment, the notch 68 is defined by two radial edges 69 arranged in the first panel 50. Preferably, each of the radial edges 69 extends substantially along the radius of the circle forming the first outer edge 64.

[0049] In the depicted embodiment, the second panel 52 is substantially formed as a solid half-disc, and the second outer edge 66 is substantially formed as a continuous semicircle.

[0050] Preferably, each of the first panel 50 and the second panel 52 is also rotatable relative to the pipe 12 about the first axis 32.

[0051] For example, as in the depicted embodiment, the wing 16 further includes a support 70. Each of the first panel 50 and the second panel 52 is hinged to the support 70 along a second axis 54 and a third axis 56, respectively. For example, the inner edges 60, 62 of each of the first panel 50 and the second panel 52 are connected to the support 70 using hinges 72. Alternatively, the first panel 50 and the second panel 52 are assembled on a swivel ring.

[0052] Additionally, in the depicted embodiment, the support 70 is rotatable relative to the pipe 12 about the first axis 32 in a manner specified below.

[0053] The internal element 18 is disposed in the second section 30 of the duct 12 along the first axis 32. Preferably, the internal element 18 has an aerodynamic shape oriented along the first axis, such as a pointed arch.

[0054] Each of the longitudinal walls 14, 114, 214 extends radially from the internal element 18 toward the first inner wall 34 and / or the second inner wall 36 of the pipe. Preferably, each of the longitudinal walls 14, 114, 214 is fixed to the internal element 18.

[0055] In the depicted embodiment, the internal element 18 is hollow and defines a cavity 74.

[0056] Furthermore, in the depicted embodiment, the support 70 of the wing 16 is hinged to the internal element 18 along the first axis 32 using an actuator 20.

[0057] The actuation device 20 includes, for example, a motor 76 arranged in a cavity 74 of the internal element 18; and a rotation shaft 78 extending along a first axis 32 and connecting the motor 76 to the support 70.

[0058] The actuation device 20 enables the support member 70 to move around the first axis 32 between different angular configurations.

[0059] Consider the orthonormal basis (X, Y, Z) associated with pipe 12, where the X direction is parallel to the first axis 32.

[0060] exist Figure 1 and Figure 2 In the first corner configuration of the visible support member 70, the second axis 54 and the third axis 56 are parallel to Y. Figure 3 In the second corner structure of the support member 70 visible in the image, the second axis 54 and the third axis 56 are parallel to Z.

[0061] According to one embodiment, the actuation device 20 further includes components (not shown) for rotating each of the first panel 50 and the second panel 52 about a first axis 54 and a second axis 56, respectively. For example, the rotation drive component is selected from pull tongues and bevel gears.

[0062] The electronic control module 22 is connected to the actuation device 20 and is capable of controlling the rotation of the support 70 along the first axis 32 and / or the rotation of each of the first panel 50 and the second panel 52 about the first axis 54 and about the second axis 56, respectively.

[0063] A ventilator 10 is installed in the vehicle's passenger compartment (not shown). The passenger compartment is configured to generate an airflow 80 from inlet 24 through duct 12 to outlet 26. Figure 3 ]).

[0064] A first method for operating the ventilator 10 will now be disclosed. Such a method is implemented, for example, using a program stored in the electronic control module 22.

[0065] Each of the first panel 50 and the second panel 52 of the wing 16 is in the closed position; and the actuation device 20 enables the continuous rotation of the support member 70 of the wing 16 about the first axis 32. Therefore, the support member 70 successively adopts different angular configurations.

[0066] Therefore, the notches 68 in the first panel 50 successively face the various channels 40, 42, 44 that are angled around the first axis 32. Thus, the airflow 80 is concentrated on one-quarter of the cross-section of the pipe 12, which circulates around the circumference of the pipe 12.

[0067] Alternatively, the support remains stationary to guide airflow in a specific direction 80.

[0068] According to a second similar method, the support 70 rotates when the first panel 50 and the second panel 52 are in the open and closed positions, respectively. Therefore, the airflow 80 is concentrated on half of the cross-section of the duct 12, which circulates around the circumference of the duct 12.

[0069] According to the third method, the first panel 50 and the second panel 52 are in... Figure 1 and Figure 2 The open position is shown. Therefore, the airflow 80 is distributed across the entire cross-section of the pipe 12.

[0070] According to the fourth method, the first panel and / or the second panel 52 are in an intermediate position between the open position and the closed position. For example, the first panel or the second panel forms an angle β with the first axis 32. Figure 2 The angle β is preferably between 30° and 60°, and more preferably close to 45°.

[0071] The middle position of the first panel and / or the second panel 52 splits the flow 80 into two different flows, which intersect at the outlet 26.

[0072] When the first panel and / or the second panel 52 are in the middle position, the support 70 can rotate along the first axis or be blocked.

[0073] This type of method makes it possible to manage the airflow distribution at the outlet of the ventilator.

Claims

1. A ventilator (10), the ventilator comprising: - Ventilation duct (12) extending between inlet (24) and outlet (26); the duct includes a first section (28) and a second section (30) adjacent to each other; at least the second section extends along a first axis (32); - At least one longitudinal wall (14, 114, 214) extending in the second section; and - A winglet (16) is rotatable relative to the pipe (12); the winglet (16) is arranged in the first section (28) of the pipe (12) and near the second section (30); The ventilator is characterized in that: - The at least one longitudinal wall (14, 114, 214) is fixed relative to the pipe; the second section includes at least two channels (40, 42, 44) separated by the longitudinal wall; and - The wing (16) includes a first panel (50) and a second panel (52), the first panel and the second panel being movable relative to the pipe along a second rotation axis (54) and a third rotation axis (56) respectively, the second rotation axis and the third rotation axis being perpendicular to the first axis (32). Each of the first panel and the second panel is rotatable between an open position and a closed position such that, in the closed position of each of the first panel and the second panel, at least one of the channels (40, 42, 44) of the second segment is at least partially blocked by the first panel or the second panel.

2. The ventilator according to claim 1, wherein the first panel (50) and the second panel (52) each include a first substantially straight inner edge (60) and a second substantially straight inner edge (62); such that when the first panel and the second panel are in the closed position, the first inner edge and the second inner edge face each other.

3. The ventilator according to claim 1 or 2, wherein the duct has an inner wall (34) with a substantially circular cross-section; each of the first panel (50) and the second panel (52) includes a substantially arcuate outer edge (64, 66); and in the closed position of each of the first panel and the second panel, the outer edge of the panel is substantially molded to the inner wall (34) of the duct.

4. The ventilator according to any one of the preceding claims, the ventilator comprising a plurality of longitudinal walls (14, 114, 214) fixed relative to the duct; wherein the second section (30) comprises a plurality of channels (40, 42, 44) angled about the first axis (32), two adjacent channels being separated by one of the longitudinal walls; and wherein each of the first panel (50) and the second panel (52) is also rotatable about the first axis relative to the duct.

5. The ventilator according to claim 4, wherein the vane (16) further includes a support (70) rotatable about the first axis (32) relative to the duct, each of the first panel (50) and the second panel (52) being hinged to the support (70) along the second axis (54) and along the third axis (56), respectively.

6. The ventilator according to claim 5, wherein the second axis (54) and the third axis (56) coincide.

7. The ventilator according to any one of the preceding claims, the ventilator further comprising an internal element (18) disposed along the first axis in the second section (30) of the duct; and wherein the longitudinal wall (14, 114, 214) or each of the longitudinal walls extends radially from the internal element (18).

8. The ventilator according to claim 7 in conjunction with claim 5, wherein the support (70) of the blade is hinged to the internal element (18) along the first axis (32).

9. The ventilator according to any one of the preceding claims, wherein the first panel (50) includes a notch (68) forming a corner portion of the first panel.

10. The ventilator according to claim 9, wherein the ventilator is configured such that: in the angular configuration of the first panel (50) in the closed position relative to the first axis (32), the first channel (40) in the channel is blocked by the first panel (50); and the second channel (42) in the channel, separated from the first channel by one of the longitudinal walls, is disposed facing the notch (68) of the first panel (50).

11. The ventilator according to claim 10, the ventilator comprising longitudinal walls (14, 114, 214) uniformly distributed around the first axis (32) and defining n parallel channels (40, 42, 44), where n is an integer greater than or equal to 3; and wherein the notch (68) of the first panel is configured such that, in the corner configuration of the first panel in the closed position, two adjacent channels (42, 44) of the parallel channels are arranged facing the opening.

Images