Abstract: The invention relates to an engine control valve (100), comprising a flap (112) rotatably mounted in a valve body (126) around an axis (114) separating said flap into a first part (112A) and a second part (112B), said flap (112) being able to cooperate with sealing means carried by the valve body (126) in a closed position to stop the flow of a fluid through said flap for which the first part (112A) of the flap (112) sealingly cooperates with first sealing means (122A) and the second part (112B) of the flap (112) sealingly cooperates with second sealing means (124B). According to the invention, the first sealing means (122A) and the second sealing means (124B) are mounted securely so as to slide along the valve body (126).

Abstract: The invention relates to an engine control valve (100), comprising a flap (112) rotatably mounted in a valve body (126) around an axis (114) separating said flap into a first part (112A) and a second part (112B), said flap (112) being able to cooperate with sealing means carried by the valve body (126) in a closed position to stop the flow of a fluid through said flap for which the first part (112A) of the flap (112) sealingly cooperates with first sealing means (122A) and the second part (112B) of the flap (112) sealingly cooperates with second sealing means (124B). According to the invention, the first sealing means (122A) and the second sealing means (124B) are mounted securely so as to slide along the valve body (126).

Abstract: The invention relates to an engine control valve (100) for a vehicle, comprising a flap (112) rotatably mounted in a valve body (126) around an axis (114) separating said flap (112) into a first part (112A) and a second part (112B), said flap (112) being able to cooperate with sealing means of the valve body (126) in a closed position to stop the flow of a fluid through said flap (112) for which the first part (112A) sealingly cooperates with a first planar surface (128) of the sealing means and the second part (112B) sealingly cooperates with a second planar surface (130) of the sealing means. According to the invention, the sealing means are resiliently deformable and the first planar surface (128) and the second planar surface (130) of the sealing means are comprised in a same plane.

Abstract: The invention concerns a discharge valve (17) intended to be fitted in a discharge duct of an apparatus designed to be driven by a fluid, in particular a turbocharger driven by the exhaust gases from an engine. The discharge valve (17) comprises a cavity (83) having a first (85), a second (87) and a third aperture (89), each intended to be connected to a respective duct, the discharge valve (17) also comprising first (91) and second (93) means for closing the first (85) and second (87) apertures, respectively, in order to control communication between the ducts.

Abstract: The invention relates to an engine control valve including a body defining an inner duct and comprising a flap (10) mounted such that it can pivot by means of a shaft (12), said flap (10) comprising a first portion (11). The flap can pivot between an open position allowing the passage of fluid into the duct and a closed position in which the flap (10) comes into contact with a flat seal (100) of the flap. The outer contour of the seal (100) surrounds the outer contour of the flap (10), said seal (1) comprising an opening (6) and a solid portion (3). The above-mentioned first portion (11) seals the opening (6) in the seal (1) when the flap (10) is in a closed position. The seal (100) includes a reinforcement area (101) in the solid portion (3) thereof, such as to prevent the seal (100) from deforming owing to the high pressure and high temperature of the gases in the valve.

Abstract: In an engine control valve having a body delimiting an internal duct and including a flap mounted such that it can pivot via a spindle of the flap, the flap includes a first part and is able to pivot between an open position that allows gases to pass along the duct, and a closed position in which the flap comes into contact with a flat seal inserted between two elements of the valve body, the seal has an exterior contour that externally surrounds the exterior contour of the flap, the seal includes an opening and a solid portion, the first part closes off the opening of the seal when the flap is in a closed position, and the seal includes at least one slit formed in the peripheral zone of the solid portion, the at least one slit communicating with the opening.

Abstract: Three-way valve with two flaps comprising single control means (9) for the two flaps and actuation means (12, 13, 50) arranged each to drive, pivotwise, one of the two flaps, from one to the other of its open and closed position of one of the pathways, with a temporal phase-shift, characterized in that it comprises maximum displacement end-stops for each of said actuation means, the end-stop (31) of the second actuation means (12, 50) corresponding to a fully closed position of its flap and the end-stop of the first actuation means (13) being positioned beyond the position of said first actuation means when the second actuation means (12, 50) is on its end-stop (31), the kinematic chains linking the first and second actuation means to the single control means operating nominally.

Abstract: Valve (1), notably for a combustion engine air circuit, comprising:—a body (2a, 2b) in which there are formed a main duct (5) and an auxiliary duct (6) opening into the main duct (5),—a shutter (3) pivot mounted in the body (2a, 2b) via a spindle (4), the shutter (3) comprising a first portion (10) able to shut off all or part of the main duct (5) when the shutter (3) is in a first position, and a second portion (11) able to shut off all or part of the auxiliary duct (6) when the shutter (3) is in a second position, and—at least one seal (19) borne by at least one of the portions, first (10) and second (11), of the shutter and arranged in such a way as to become interposed between at least a zone of said portion (10, 11) and at least one zone of the body when the shutter (3) is in the first or the second position.

Abstract: The invention relates to a fluid valve comprising a movable flap (1) provided with a first wing (3) and a second wing (4), said valve also including a gasket (2) having an opening (5) for the passage of the fluid. At least one (3) of the aforementioned wings, known as the sealing wing, can seal the opening (5) in the gasket (2) at least partially when the flap (1) is in the closed position. According to the invention, the sealing wing (3) and the other wing (4) are positioned on each side of the gasket (2) when the flap is in the closed position and the flap comprises an intermediate area (6) connecting the first (3) and second (4) wings and extending through the opening in the gasket (6).

Abstract: A fluid circulation valve has a body delimiting an internal duct and a flap mounted pivotally on a spindle separating the flap into a first part and a second part. The flap is able to pivot between an open position allowing the fluid to pass into the duct, and a closed position which prevents the passage and for which the second part of the flap comes to rest against a seal which extends facing this second part, and which further seals the body of the valve. The seal has pressure-lowering means downstream of the second part of the flap so as to increase the force for clamping the second part against the seal.

Abstract: The invention relates to a valve comprising: at least three channels (2, 9, 11); a metering gate (12) pivotable in a first channel (2); a diverter gate (10) that can shut off a second (9) or third (11) channel; and an actuation device (15) common to the gates (10, 12), said actuation device (15) comprising at least one actuation wheel (16) for pivoting at least one of the gates (10, 12) and having at least a first configuration in which the metering gate (12) is in a reference position in which the diverter gate (10) does not shut off the second (9) or third (11) channel. The actuation device (15) is configured such that, while in the first configuration, the rotation of the actuation wheel (16) causes the metering gate (12) to pivot in a single direction of rotation from its reference position, independently of the direction of rotation of the actuation wheel.

Abstract: The invention relates to a valve comprising: at least three channels (2, 9, 11); a metering gate (12) pivotable in a first channel (2); a diverter gate (10) that can shut off a second (9) or third (11) channel; and an actuation device (15) for actuating the gates (10, 12), said actuation device (15) comprising an actuation wheel (16) for pivoting at least one of the gates (10, 12) and having at least a first configuration in which the metering gate (12) is in a reference position in which the diverter gate (10) does not shut off the second (9) or third (11) channel. The actuation device (15) is configured such that, while in the first configuration, the rotation of the actuation wheel (16) causes: the diverter gate to pivot substantially and the metering gate to pivot slightly; and, subsequently, the metering gate to pivot without the diverter gate pivoting.

Abstract: The invention relates to a valve comprising: at least three channels (2, 9, 11) opening into a common space; a metering gate (12) pivotable in a first channel (2); a diverter gate (10) pivotable between a position for shutting off a second (9) or third (11) channel; and an actuation device (15) for actuating the gates (10, 12), said actuation device (15) comprising an actuation wheel (16) for actuating at least one of the gates and having at least a first configuration in which the metering gate (12) does not shut off the first channel (2) and the diverter gate (10) does not shut off the second (9) or third (11) channel. The actuation device (15) is configured such that, while in the first configuration, the rotation of the actuation wheel (16) causes: the diverter gate (10) to pivot substantially as the diverter gate (12) pivots slightly; and, subsequently, the metering gate (12) to pivot.

Abstract: The invention relates to a fluid valve, in particular for the exhaust gas from a motor vehicle engine, comprising a body (30) defining a main duct (31) and an auxiliary duct (32) for the flow of fluid, which auxiliary duct opens into the main duct (31). The valve also comprises: a flap (1) that can move between a closed position, preventing communication between the two ducts (31, 32), and an open position, allowing communication between said ducts (31, 32); and a gasket (2) against which the flap (1) bears when in the closed position. In addition, the above-mentioned body comprises a housing (37) for a motor for actuating the flap (1). According to the invention, the body (30) is configured to define a fluid lamina (38) between the gasket (2) and the housing (37).

Abstract: A sensor for a component of a motor vehicle, said sensor being capable of measuring a physical property of a component with a first sensitivity when the physical property is in a range of high sensitivity, with a second sensitivity when the physical property is in a range of low sensitivity, the first sensitivity being greater than the second sensitivity.

Abstract: Three-way valve with two flaps comprising common control means (9) for the two flaps and actuation means (12, 13, 50) arranged each to drive, pivotwise, one of the two flaps, from one to the other of its open and closed position of one of the pathways, with a temporal phase-shift, such that, in a first stage the common control means pivot the second flap, the first flap remaining in a waiting position under the action of return means, and in a second stage, said control means, while continuing to pivot the second flap, begin to pivot the first flap, characterized in that said second actuation means (12, 50) comprises a return driving means (71) making it possible to pivot the second flap (5) to its first position under the action of the common control means (9) in the case of a failure of said return means.

Abstract: A fluid switching device (1), in particular for a valve having at least three ports, the device (1) comprising: a flap (10) capable of pivoting between a first position in which it blocks a first port (9) and a second position in which it blocks a second port (11), an actuating member (12, 13, 40) for actuating the flap (10), capable of moving the flap (10) from one blocking position to the other, the device (1) comprising an interface part (18, 25) capable of interacting with the actuating member (12, 13, 40), the device being configured in such a way that this interaction selectively allows the flap (10) to be moved by the actuating member (12, 13, 40) and selectively allows the flap (10) to be held in position, the actuating member (12, 13, 40) comprising a mobile part (12, 13) and defining a guide path guiding the interface part (18, 25) when the flap (10) moves, due to the movement of the mobile part (12, 13).

Abstract: A fluid switching device (1) for a valve having at least three ports, the device (1) comprising: a flap (10) capable of pivoting between a first position in which it blocks a first port (9) and a second position in which it blocks a second port (11), an actuating member (2) for actuating the flap (10), capable of moving the flap (10) from one blocking position to the other, the device (1) comprising an interface part (12) capable of interacting with the actuating member (2), the device (1) being configured in such a way that this interaction selectively allows the flap (10) to be moved by the actuating member (2) and selectively allows the flap (10) to be held in position, the actuating member (2) moving the flap (10) via a guide path (14) provided in the interface part (12).

Abstract: The invention concerns a system (3) for supercharging the intake gases and for recirculating the exhaust gases of an engine (1), comprising: a supercharging circuit (5) comprising a turbocharger (9) to be driven by the exhaust gases from at least a first cylinder (2a, 2b, 2c) of the engine (1); a recirculating circuit (7) for the exhaust gases from at least a second cylinder (2d); and an exhaust gas-orienting device (25) winch is connected to the two circuits (5 and 7) and is intended to be connected to an exhaust line (23) of the engine (1) so as to control an amount of exhaust gas placed in communication between the supercharging circuit (5), the recirculating circuit (7) and the exhaust line (23) of the engine (1).

Abstract: The invention concerns a discharge valve (17) intended to be fitted in a discharge duct of an apparatus designed to be driven by a fluid, in particular a turbocharger driven by the exhaust gases from an engine. The discharge valve (17) comprises a cavity (83) having a first (85), a second (87) and a third aperture (89), each intended to be connected to a respective duct, the discharge valve (17) also comprising first (91) and second (93) means for closing the first (85) and second (87) apertures, respectively, in order to control communication between the ducts.