Abstract: Travel of a brushless rotary actuator is limited by two stops, including a wound stator and a magnetic cylindrical rotor rigidly attached to a shaft having a first end rigidly attached to a control member. A second end of the shaft is rigidly attached to a travel limiting part acting as stops, and the travel limiting part has bending, resilient beam shapes. The actuator is electrically controlled in an open-loop. A control system controls a lift value of valves of an internal combustion engine by a lever driven by such an actuator.

Abstract: An electric actuator includes a casing having a base, on which an electric motor is fixed having a stator with radially extending straight teeth and having a plurality of coils and a rotor formed by a plurality of magnets. The coils extend in a plane parallel to the base of the casing and the rotor is extended by a pinion forming a worm gear with an axis perpendicular to the orientation of the coils. The worm gear meshes with a threaded rod extending parallel to the base of the casing, wherein the threaded rod is guided at the rear by a fixed smooth bearing or by a fixed nut, with the smooth bearing or nut being rigidly connected to a cover of the casing. The axial end of the worm gear is guided by the cover and a printed circuit, to which the plurality of coils is connected, is positioned between the stator and the threaded rod.

Abstract: The present disclosure relates to a gear motor formed of a housing. An electric motor includes a stator assembly and a rotor driving a reduction gear train having a plurality of intermediate stages each formed by a shaft coupled to a toothed wheel and to a toothed gear. Also, an output stage is formed by a shaft coupled to a wheel and a coupling component, the shafts of the rotor, of the intermediate stages and of the output wheel being parallel. The gear motor further includes a printed circuit transversely positioned above the stator assembly, wherein the wheel of the output stage is positioned above part of the stator assembly, the shafts of the intermediate stages are located in the zone of the housing located on the opposite side, relative to a transverse vertical plane, of the zone including the shaft of the rotor and the shaft of the output wheel.

Abstract: A motorized valve includes a body with at least one intake duct and one outlet duct, a plugging member movably mounted in the body to plug or release a passage between the intake duct and the outlet duct, and a motorized control system for controlling the movement of the plugging member. The motorized control system also includes a plug valve connecting intake and outlet ducts, a gear motor including an electric motor and a reduction gear train. The gear train includes an exit wheel rotating the plug of the valve so as to allow progressive opening of the valve, and the gear motor is formed by a casing including the electric motor and reduction gear train, the valve body being integrally formed with the casing.

Abstract: A motorised fluid metering valve includes an inlet pipe, a discharge pipe and a motor moving a piston that can move linearly between a closed position in which a distal end of the piston sealingly engages with a seat of matching shape, and an open position. The valve is configured to have a flow rate that varies continuously between the closed position and the open position depending on an axial position of the piston. The inlet pipe opens in a periphery of the discharge pipe, with a constant protuberance regardless of the position of the piston, the protuberance not extending radially beyond a barycentre of the discharge pipe. Also, the motor is a rotary electric motor moving the piston in translation.

Abstract: The present disclosure relates to a mechatronic actuator consisting of a housing incorporating a shell and a three-phase electric motor formed by a stator excited by electrical coils and by a magnetized rotor, driving an output shaft by means of a gear train, the axis of the rotor, the axis of the output shaft and the axes of the intermediate toothed wheels being parallel, the stator having a radial triangular star shape, the three wound poles forming the three branches of the star, the axes of symmetry of two consecutive wound poles forming a mechanical angle of 120°, the housing also incorporating an electronic circuit, including a capacitor for filtering the electrical signal, the shell having a longitudinal axis, characterized in that the stator is positioned in the hosing in such a way that the axis of symmetry of one of the three wound poles forms an angle of between 70 and 110° with the longitudinal axis.

Abstract: The present disclosure relates to a mechatronic actuator consisting of a housing incorporating a shell and a three-phase electric motor formed by a stator excited by electrical coils and by a magnetized rotor, driving an output shaft by means of a gear train, the axis of the rotor, the axis of the output shaft and the axes of the intermediate toothed wheels being parallel, the stator having a radial triangular star shape, the three wound poles forming the three branches of the star, the axes of symmetry of two consecutive wound poles forming a mechanical angle of 120°, the housing also incorporating an electronic circuit, including a capacitor for filtering the electrical signal, the shell having a longitudinal axis, characterized in that the stator is positioned in the hosing in such a way that the axis of symmetry of one of the three wound poles forms an angle of between 70 and 110° with the longitudinal axis.

Abstract: The disclosure relates to a gear motor made of a housing enclosing an electric motor driving a reduction gear train having at least one intermediate gear and an output wheel, including an output wheel made of a single piece having a tooth crown on either side of which extend cylindrical axial extensions which are each held by the housing, each one of the extensions having at its respective end a coupling with an external drive element. The output wheel is coaxial with a toothed wheel constituting one of the intermediate gears, the toothed wheel being able to rotate freely in relation to one of the axial extensions.

Abstract: The present invention relates to a gear motor formed of a housing, comprising an electric motor comprising a stator assembly (3) and a rotor (1) driving a reduction gear train having a plurality of intermediate stages (100, 200, 300) each formed by a shaft (101, 201, 301) coupled to a toothed wheel (102, 202, 302) and to a toothed gear (103, 203, 303), and an output stage formed by a shaft (401) coupled to a wheel and a coupling component, the shafts (2, 101, 201, 301, 401) of the rotor, of said intermediate stages (100, 200, 300) and of said output wheel being parallel, said gear motor further comprising a printed circuit (20) transversely positioned above said stator assembly (3), characterized in that said wheel of the output stage is positioned above part of said stator assembly (3), the shafts of said intermediate stages (100, 200, 300) being located in the zone of the housing located on the opposite side, relative to a transverse vertical plane (500), of the zone comprising the shaft (2) of said rotor a

Abstract: An electric actuator includes a casing having a base, on which an electric motor is fixed having a stator with radially extending straight teeth and having a plurality of coils and a rotor formed by a plurality of magnets. The coils extend in a plane parallel to the base of the casing and the rotor is extended by a pinion forming a worm gear with an axis perpendicular to the orientation of the coils. The worm gear meshes with a threaded rod extending parallel to the base of the casing, wherein the threaded rod is guided at the rear by a fixed smooth bearing or by a fixed nut, with the smooth bearing or nut being rigidly connected to a cover of the casing. The axial end of the worm gear is guided by the cover and a printed circuit, to which the plurality of coils is connected, is positioned between the stator and the threaded rod.

Abstract: The present disclosure relates to a mechatronic actuator consisting of a housing incorporating a shell and a three-phase electric motor formed by a stator excited by electrical coils and by a magnetized rotor, driving an output shaft by means of a gear train, the axis of the rotor, the axis of the output shaft and the axes of the intermediate toothed wheels being parallel, the stator having a radial triangular star shape, the three wound poles forming the three branches of the star, the axes of symmetry of two consecutive wound poles forming a mechanical angle of 120°, the housing also incorporating an electronic circuit, including a capacitor for filtering the electrical signal, the shell having a longitudinal axis, characterised in that the stator is positioned in the hosing in such a way that the axis of symmetry of one of the three wound poles forms an angle of between 70 and 110° with the longitudinal axis.

Abstract: Travel of a brushless rotary actuator is limited by two stops, including a wound stator and a magnetic cylindrical rotor rigidly attached to a shaft having a first end rigidly attached to a control member. A second end of the shaft is rigidly attached to a travel limiting part acting as stops, and the travel limiting part has bending, resilient beam shapes. The actuator is electrically controlled in an open-loop. A control system controls a lift value of valves of an internal combustion engine by a lever driven by such an actuator.

Abstract: A motorised fluid metering valve includes an inlet pipe, a discharge pipe and a motor moving a piston that can move linearly between a closed position in which a distal end of the piston sealingly engages with a seat of matching shape, and an open position. The valve is configured to have a flow rate that varies continuously between the closed position and the open position depending on an axial position of the piston. The inlet pipe opens in a periphery of the discharge pipe, with a constant protuberance regardless of the position of the piston, the protuberance not extending radially beyond a barycentre of the discharge pipe. Also, the motor is a rotary electric motor moving the piston in translation.

Abstract: The present disclosure relates to a mechatronic actuator consisting of a housing incorporating a shell and a three-phase electric motor formed by a stator excited by electrical coils and by a magnetized rotor, driving an output shaft by means of a gear train, the axis of the rotor, the axis of the output shaft and the axes of the intermediate toothed wheels being parallel, the stator having a radial triangular star shape, the three wound poles forming the three branches of the star, the axes of symmetry of two consecutive wound poles forming a mechanical angle of 120°, the housing also incorporating an electronic circuit, including a capacitor for filtering the electrical signal, the shell having a longitudinal axis, characterised in that the stator is positioned in the hosing in such a way that the axis of symmetry of one of the three wound poles forms an angle of between 70 and 110° with the longitudinal axis.

Abstract: The disclosure relates to a mechatronic assembly for driving a body, which is designed to be connected to a continuous electrical power source and an electronic control unit comprising a computer for running a power-assistance algorithm supplying a pulse-width modulation input signal having discrete states and a cyclic ratio encoding the steering and torque/speed information.

Abstract: A motorized valve includes a body with at least one intake duct and one outlet duct, a plugging member movably mounted in the body to plug or release a passage between the intake duct and the outlet duct, and a motorized control system for controlling the movement of the plugging member. The motorized control system also includes a plug valve connecting intake and outlet ducts, a gear motor including an electric motor and a reduction gear train. The gear train includes an exit wheel rotating the plug of the valve so as to allow progressive opening of the valve, and the gear motor is formed by a casing including the electric motor and reduction gear train, the valve body being integrally formed with the casing.

Abstract: The disclosure relates to a gear motor made of a housing enclosing an electric motor driving a reduction gear train having at least one intermediate gear and an output wheel, including an output wheel made of a single piece having a tooth crown on either side of which extend cylindrical axial extensions which are each held by the housing, each one of the extensions having at its respective end a coupling with an external drive element. The output wheel is coaxial with a toothed wheel constituting one of the intermediate gears, the toothed wheel being able to rotate freely in relation to one of the axial extensions.

Abstract: The disclosure relates to a mechatronic assembly for driving a body, which is designed to be connected to a continuous electrical power source and an electronic control unit comprising a computer for running a power-assistance algorithm supplying a pulse-width modulation input signal having discrete states and a cyclic ratio encoding the steering and torque/speed information.