Abstract: A shut-off device for an air intake of a motor vehicle front end, including: a first support frame having four sidewalls, a second support frame having four sidewalls, at least one flap arranged within each of the first and second support frames and pivoting about a pivot axis between a first open end position and a second closed end position, the first and the second support frame being fastened mechanically to one another at one of their sidewalls, termed fixing sidewalls, the first and the second support frames each including at least one drive device dedicated to moving the at least one flap.

Abstract: A device for sealing an air inlet of a motor vehicle, including a support frame with a front and rear faces, the support frame including a through-orifice with a sealing assembly with at least two complementary flaps, each of which is movable about a corresponding pivot axis between a sealing and an open positions, the device further including a system for synchronously opening the flaps having a suspended element arranged on the rear face of the support frame and movable between a position close to the support frame and a position remote from the support frame, the suspended element being connected to each of the flaps such that, in the close position, the flaps are in the sealing position and, in the remote position, the flaps are in the open position.

Abstract: A shut-off device including: a support frame having four sides, a first and second levers configured to be set in motion by an actuator, a first connecting part connected with the first lever, and a second connecting part connected with the second lever, a first set of flaps and a second set of flaps, fastened respectively to the first and second connecting parts. Each flap includes a flap lever arm connecting the flap to the respective first or second connecting part. The first lever includes a primary lever arm connecting the first lever to the first connecting part. The second lever includes a secondary lever arm connecting the second lever to the second connecting part. Each flap lever arm is shorter than any of the primary and secondary lever arms. The first lever and the second lever are connected to one another by a connecting rod.

Abstract: A shut-off device for an air intake of a motor vehicle front end, including: a first support frame having four sidewalls, a second support frame having four sidewalls, at least one flap arranged within each of the first and second support frames and pivoting about a pivot axis between a first open end position and a second closed end position, the first and the second support frame being fastened mechanically to one another at one of their sidewalls, termed fixing sidewalls, the first and the second support frames each including at least one drive device dedicated to moving the at least one flap.

Abstract: A shut-off device including: a support frame with a front face and a rear face and having four sidewalls, a which is disposed within the support frame and is able to pivot about a pivot axis between a first, open, end position and a second, closed, end position, the flap being connected to the support frame by a pivot connection. The pivot connection has an open receiving recess disposed on one of the faces of the support frame and intended to receive the pivot axis of the flap, the shut-off device further including: a retaining bar which covers an aperture of the receiving recess and is intended to retain the pivot axis of the flap within the receiving recess, and two guides which are aligned and disposed so as to retain the retaining bar above the aperture of the receiving recess.

Abstract: A frame for an air intake regulating device of a vehicle, including at least two walls participating in defining an opening zone for receiving a set of movable flaps arranged parallel to one another, at least one movable flap being movable in rotation about at least one pivot axis, at least one bearing supported by an elastically deformable tab, the bearing being configured to receive a pin participating in defining the pivot axis of the movable flap, the tab being delimited in a wall of the frame by a U-shaped groove, the groove including a base and two arms respectively extending an end of the base, each of the arms having a free end opposite the base. The groove includes a clearance zone positioned at one of the free ends of the arms of the groove, the clearance zone laterally extending the corresponding arm while forming at least one protuberance.

Abstract: An air inlet shut-off device for a motor vehicle having: a support frame defining a passage opening for an incoming air flow, a curtain movable between a closed position and an open position, an automatic return system for the curtain having: an elastic element which is elastic in elongation along the rolling axis of the roller shaft and secured to the latter in such a way as to be rotated and vice versa; a cylindrical slider intended to move in translation along the rolling axis and in rotation about this same axis, said slider being secured to the elastic element in such a way as to be rotated indirectly by the roller shaft, said slider including a helical groove on its outer surface, the support frame including a fixed finger configured to be inserted in said helical groove.

Abstract: An air inlet shut-off device for a motor vehicle having: a support frame defining a passage opening for an incoming air flow, a curtain movable between a closed position and an open position, an automatic return system for the curtain having: an elastic element which is elastic in elongation along the rolling axis of the roller shaft and secured to the latter in such a way as to be rotated and vice versa; a cylindrical slider intended to move in translation along the rolling axis and in rotation about this same axis, said slider being secured to the elastic element in such a way as to be rotated indirectly by the roller shaft, said slider including a helical groove on its outer surface, the support frame including a fixed finger configured to be inserted in said helical groove.

Abstract: A heat exchange block (1) for a motor vehicle, includes at least one heat exchanger (2, 3, 4), wherein the block (1) is intended to be disposed behind a front grille (6) of a vehicle and to be traversed by air originating from an opening in the grille. The block includes a group of louvers (13) that can move between an open position and a closed position in order to modulate the flow of air (A) passing through the heat exchanger (2, 3, 4) and a channel (9) that can be disposed between the opening in the grille and the heat exchange block (1). The heat exchange block is suitable for any motor vehicle, but, in particular, hybrid and electric vehicles.

Abstract: The present invention concerns a hole sealing device (1) in particular for a main air inlet in the front face of a motor vehicle, comprising:—a support frame (5) comprising at least one shutter (3) pivoting about a pivot pin (A) between an open position and a closed position,—at least one pivot rod (7), said at least one shutter (3) having a link pin (B) linking it with said pivot rod (7),—at least one actuator (9) for moving the pivot rod (7) and controlling the position of the at least one shutter (3), said at least one shutter (3) being linked to a resilient opening means (15) at least comprising a mobile part (151), a resilient member (152) and a retaining member (153) for said resilient member (152).

Abstract: A control valve for a fluid flow circuit comprises a body that has a fluid inlet and at least two fluid outlets (20, 22, 24) and that defines an axisymmetric housing for a modulating member capable of rotating about an axis of rotation (XX) and adopting different angular positions to control the distribution of the fluid through the outlets. The body comprises a side wall (16) into which the fluid outlets open. The side wall (16) and/or the modulating member comprises sunken areas (EV) and non-sunken areas (CR), the sunken areas (EV) serving to reduce the surface area of the modulating member (26) in contact with the side wall (16).

Abstract: The invention relates to a module for a cooling circuit of a motor vehicle engine comprising at least one control valve (18) allowing a circulation according to at least one normal mode. The module also comprises a thermal safety device (30) for the circuit. The thermal safety device (30) is capable of allowing a circulation according to another mode called the short-circuit mode in the event of failure of the normal circulation mode.

Abstract: A control valve for a fluid flow circuit comprises a body that has a fluid inlet and at least two fluid outlets (20, 22, 24) and that defines an axisymmetric housing for a modulating member capable of rotating about an axis of rotation (XX) and adopting different angular positions to control the distribution of the fluid through the outlets. The body comprises a side wall (16) into which the fluid outlets open. The side wall (16) and/or the modulating member comprises sunken areas (EV) and non-sunken areas (CR), the sunken areas (EV) serving to reduce the surface area of the modulating member (26) in contact with the side wall (16).

Abstract: A control valve (10) for a fluid circulation circuit comprises a body (12) which is equipped with a fluid inlet (18) and with at least two fluid outlets (20, 22, 24) and which delimits a housing of revolution for an adjusting element (26) able to rotate about an axis of rotation (XX) and to adopt various angular positions to control the distribution of fluid through the outlets. The adjusting member (26) is surrounded by a sealing ring (42) in the form of an open annulus, which rotates as one with the adjusting member and is arranged with a small clearance around the adjusting member, this allowing the sealing ring to be pressed firmly internally against a side wall (16) into which the fluid outlets (20, 22, 24) open with a view to ensuring sealing under the action of the pressure of the fluid. Application in particular to motor vehicle fluid circuits.

Abstract: A control valve (10) for a fluid circulation circuit comprises a valve body (12) having a bottom wall into which an axial orifice emerges and a side wall (16) into which side orifices (20, 22, 24) emerge, the valve body delimiting a housing of revolution for a regulating member (26) capable of rotating about a rotation axis XX and of taking various angular positions to control the distribution of the fluid through the orifices. The regulating member (26) is surrounded by a sealing segment (42) in the shape of an open ring and elastic means are provided to separate two ends (44, 46) of the sealing segment in order to deform it radially outward and thus ensure that the sealing segment is pressed against the valve body housing. Application particularly to the fluid circuit of motor vehicles.

Abstract: A control valve (10) for a fluid circulation circuit comprises a body (12) which is equipped with a fluid inlet (18) and with at least two fluid outlets (20, 22, 24) and which delimits a housing of revolution for an adjusting element (26) able to rotate about an axis of rotation (XX) and to adopt various angular positions to control the distribution of fluid through the outlets. The adjusting member (26) is surrounded by a sealing ring (42) in the form of an open annulus, which rotates as one with the adjusting member and is arranged with a small clearance around the adjusting member, this allowing the sealing ring to be pressed firmly internally against a side wall (16) into which the fluid outlets (20, 22, 24) open with a view to ensuring sealing under the action of the pressure of the fluid. Application in particular to motor vehicle fluid circuits.

Abstract: A direct current electric motor, especially one for driving a fan or blower in a motor vehicle ventilating system, has a motor shaft, a bearing ring around the free end of the motor shaft, and a casing which includes an end plate carrying a bearing element formed with a cylindrical internal face, which defines a housing in which the bearing ring is received. The fixed bearing element has a base portion and a free edge at the opposite axial end of the bearing element from the base. The bearing is formed with reliefs adjacent to the free edge of its fixed element. These reliefs project radially towards the axis from the internal face of the bearing.

Abstract: A permanent magnet electric motor comprises a body shell with a cylindrical inner face, permanent magnets lying against the inner face of the body shell, and connecting pieces, each of which has a body portion disposed between two adjacent permanent magnets. Each connecting piece also has two lugs axially adjacent to, and overlapping, end faces of the magnets. An end plate of the motor is fixed to its body shell facing towards these end faces of the magnets. The connecting pieces and the end plate are so arranged that part of the end plate faces towards the connecting pieces in the axial direction, and is adjacent to the latter. The invention is applicable in particular to motors for motor vehicles ventilating systems.

Abstract: A windshield wiper device generally comprises a shaft supported by a fixed element, such as the base of a housing of a geared motor, this shaft being rotatable around an axis by a reduction gear system and connecting rod assembly; an angle damping device is disposed between the fixed element and the shaft. According to the invention, the angle damping device comprises at least one elastic washer axially compressed along the axis of the shaft. The axial compression of the elastic washer is controlled by a cam having a variety of angular sectors for moving axially along the shaft.

Abstract: A geared motor includes an electric motor which drives a wheel actuating a direction reversal mechanism, this direction reversing mechanism actuating the output shaft of the geared motor.According to the invention, the wheel has fixed thereto a driving device connecting the direction reversal mechanism to the wheel.