Device for regulating the flow of an outside air stream for a radiator grille of a motor vehicle

Abstract

Air flow regulation device (1) for an external airflow (FA) for a grille or ventilation opening of a vehicle comprising on the one hand an airflow (FA) intake adjustment means (7) having movable flaps (71) and on the other hand a blocking member (6) having fins (61) extending at least opposite a space (76) separating adjacent flaps in order to prevent the passage of external projections through the regulation device.

Claims

1. Regulation device (1) for the circulation of an external airflow (FA) for a grille (4) or a ventilation outlet of a vehicle (100) comprising a frame (5) and an adjustment means (7) for the admission of the external airflow (FA) comprising a plurality of flaps (71) connected to said frame (5) and moved by a drive means (72), characterized in that- the flaps (71) are each mounted pivoting about a pivot axis (700) relative to the frame (5) so as to be pivoted between a first position, restricting the flow of outside air through the grille (4) or the vehicle's air vent (100), and a second position allowing the circulation of the air flow (FA) through it; - the pivot axes (700) of the flaps (71) are parallel to each other, adjacent flaps (71) being separated by a space (76) defined by a center-to-center dimension (701) along a first direction orthogonal to the pivot axes (700) and passing through said axes;- the control device (1) includes a blocking member (6) carried by the frame (5) and comprising a plurality of fins (61) extending parallel to at least one of the pivot axes (700), the arrangement of said fins (61) relative to the plurality of flaps (71) being configured to impede the passage of external projections through the control device (1) along the direction of circulation of the external airflow (FA) at least when the flaps (71) are arranged in the second position.; 2. Control device (1) according to the preceding claim, wherein at least one fin (61) of the plurality of fins is arranged opposite each of the spaces (76) separating two pivot axes (700) of adjacent flaps (71).

3. Control device (1) according to the preceding claim, in which at least one fin is separated from each of the pivot axes (700) delimiting the corresponding space (76) by a spacing (610), defined along the first direction, of dimension less than or equal to 30 mm, in particular less than or equal to 20 mm, or even less than or equal to 17 mm.

4. Control device (1) according to claim 1 or 2, wherein a subset of fins (615) of the plurality of fins (61) is arranged, along the direction of the external airflow (FA), opposite at least one of the same gaps (76) separating two pivot axes (700) of adjacent flaps (71), referred to as the first pivot axis (700') and the second pivot axis (700"): - a first extreme fin (61') of the fin subset (615) having a first gap (611), along the first direction, relative to the first pivot axis (700'); - a second extreme fin (61") of the fin subset (615) having a second gap (612), along the first direction, relative to the second pivot axis (700"); - of adjacent fins (61) of the fin subset (615) having an intermediate spacing (613), along the first direction;the first spacing (611), the second spacing (612) and the intermediate spacing (613) being of a dimension less than or equal to 30 mm, in particular less than or equal to 20 mm, or even less than or equal to 17 mm.; 5. Control device (1) according to any one of the preceding claims, wherein at least one face of a fin (61) of the plurality of fins (61) has an angle of inclination α relative to the frame (5) between 0° and ±45°, or even between 0° and ±30°, so as to deflect the circulation of the outside airflow (FA).

6. Regulation device (1) according to any one of the preceding claims, wherein the frame (5) comprises at least a first flank (51) and a second flank (52), opposed to each other and connected to each other by a third flank (53) and a fourth flank (54), the first flank (51) and the second flank (52) carrying the adjustment means (7) and the locking member (6).

7. Control device (1) according to any one of the preceding claims, wherein the frame (5) comprises at least one support arm (75) extending transversely to at least one pivot axis (700) and on which all or part of the plurality of flaps (71) of the control means (7) are pivotally mounted, the locking member (6) being at least partly connected to said arm (75).

8. Control device (1) according to any one of the preceding claims, wherein the blocking member (6) extends essentially within an internal volume (500) of the control device (1), delimited by the frame (5).

9. Control device (1) according to any one of the preceding claims, wherein the blocking member (6) is configured to be disposed near the plurality of flaps (71) of the control means (7) so as to be interposed between all or part of the control means (7) and at least one heat exchanger (2) along the direction of circulation of the outside airflow (FA) and / or so as to be aligned with all or part of the control means (7) along an axis (800) orthogonal to a pivot axis (700) of at least one flap (71) and transverse to the direction of circulation of the outside airflow (FA).

10. Control device (1) according to any one of claims 1 to 8, wherein the blocking member (6) is configured to be disposed near the plurality of flaps (71) of the control means (7) such that all or part of the plurality of flaps (71) is interposed between the blocking member (6) and at least one heat exchanger (2) along the direction of circulation of the outside airflow (FA) and / or such that the blocking member (6) is aligned with all or part of the control means (7) along an axis (800) orthogonal to a pivot axis (700) of at least one flap (71) and transverse to the direction of circulation of the outside airflow (FA).

11. Installation (102) of a vehicle (100), comprising a device for regulating the circulation of an external airflow (FA) according to one of the preceding claims and at least one heat exchanger (2) configured to cool or heat the external airflow (FA), the regulating device (1) being disposed upstream of the at least one heat exchanger (2) along the direction of circulation of the external airflow (FA).

12. Motor vehicle (100) comprising a device for regulating the circulation of an external airflow (FA) according to any one of claims 1 to 10 and / or an installation (102) according to the preceding claim.