Abstract: An electronic braking system for an electric motor (2) in the absence of an electrical supply comprising a braking circuit (6), a control circuit (5) comprising a microcontroller (51) which controls said braking circuit and an enabling switch (8) which connects said control (5) and braking circuits to the electrical connections of the motor when power (7) is removed from it. The braking circuit carries out a PWM modulation of the induced voltage signal generated by the motor in rotation, when the power supply is removed from it and said control circuit controls the “duty cycle” of said modulation.

Abstract: The motorized drive according to the invention application is configured to open and/or close a wing of a barrier such as a door, main door, gate or swing shutter, a wall or sliding partition or other sliding wing. The motorized drive comprises includes a motor and a first reduction unit through which the motor can open or close the wing. The reduction unit comprises includes a first and a second toothed profile engaging together, thus realizing a gear with a variable transmission ratio depending on the angular and/or linear position of at least one of the two toothed profiles. At least one of the first and of the second toothed profile forms at least one toothed section having a pitch profile which is substantially non-circular or not formed by a simple arc of a circle or a straight line.

Abstract: System for detecting the movement conditions of the leaf (2) closing a barrier, this leaf being able to occlude a delimited opening or passage and in which the leaf itself is moved by a motor (5) whose rotation shaft (R1) is associated with a motion transmission mechanism to this leaf. On said motor is present a first device for measuring the rotation of said rotation shaft (R1), and at least a second measuring device is associated with at least a second rotation shaft (R2), said second rotation shaft being connected to the first shaft by means of a reduction gear (8), whose reduction ratio is non-integer.

Abstract: The motorized drive according to the application is particularly suitable for auxiliary or emergency drives and is configured to open or close a wing of a barrier such as a door. The motorized drive includes a motor and a reduction unit through which the motor can open or close the wing, an auxiliary motor including a helical spring which is able to absorb mechanical energy during the opening of the wing and release it during the closing of the same, a reduction unit connecting the auxiliary motor to the wing. A first and a second toothed profile realize a gear with a variable transmission ratio. The first and/or the second toothed profile form at least one toothing having a pitch profile which is substantially non-circular or not formed by a simple arc of a circle or a straight line.

Abstract: A bollard device including a frame insertable in a horizontal plane. A base plate is disposed on the frame and has a hole. A movable part is received within the hole and moves vertically between a retracted position, wherein an upper end thereof is flush with the base plate, and an extended position wherein the upper end of the movable part extends beyond the base plate to create an obstacle. The frame includes a plurality of metallic supports defining an underground housing for the movable part and guides by which the movable part slides vertically. Actuating element is housed either in the frame or in the movable part and is configured to permit the vertical movement of the movable part. The movable part includes a stem and a protective tubular member disposed on the stem and constrained thereon by removable coupling element permitting the protective tubular member to be removed.

Abstract: An oil-hydraulic system for moving a gate, comprises a double-acting oil-hydraulic cylinder (11), which is intended to be kinematically connected to the gate to move it, and an electro-hydraulic pump (12) to feed and actuate the cylinder upon command. A switching valve (13) interconnects the cylinder (11) alternatively with the pump (12) or with a tank (14) of oil-hydraulic fluid. In rest conditions, the valve (13) connects the cylinder (11) to the tank (14), to allow free manual movement of a gate connected to the cylinder, and it is automatically controlled by the pressure variations in the system that are produced by the actuation of the pump (12) to disconnect the cylinder (11) from the tank (14) and connect it to the pump (12).

Abstract: The present invention refers to a method and to a device for the optimized transmission of remote control signals particularly but not exclusively used to open or close gates, doors and automatic barriers, in which the method (100) for the optimized transmission of remote control signals comprises a phase consisting of transmitting (110) a remote control signal at a carrier frequency through a via-ether transmission interface (11) and it is characterised in that it comprises in addition the phases consisting of receiving (120) through a via-ether receiving means (12) the transmitted remote control signal and measuring its radiated power, and varying (130) the transmitted remote control signal so as to maximize said measured radiated power.

Abstract: An oil-hydraulic system for moving a gate, comprises a double-acting oil-hydraulic cylinder (11), which is intended to be kinematically connected to the gate to move it, and an electro-hydraulic pump (12) to feed and actuate the cylinder upon command. A switching valve (13) interconnects the cylinder (11) alternatively with the pump (12) or with a tank (14) of oil-hydraulic fluid. In rest conditions, the valve (13) connects the cylinder (11) to the tank (14), to allow free manual movement of a gate connected to the cylinder, and it is automatically controlled by the pressure variations in the system that are produced by the actuation of the pump (12) to disconnect the cylinder (11) from the tank (14) and connect it to the pump (12).

Abstract: A tubular electric motor unit (10) for roll-up elements, such as blinds, curtains or similar items. It is the type intended to be housed inside a tube (11) for winding the roll-up element. The unit (10) has a tubular body (12) inside which is housed a geared motor (13) with its drive output at one end of the tubular body and a limit stop unit (14) at the other end. To transmit the rotation to the limit stop unit there is a first transmission ring (15) that is fitted so it can be rotated on a protruding portion of the limit stop unit to couple kinetically with the limit stop unit and that has an external peripheral surface intended to couple peripherally with minimal clearance with the inside surface of a tube for winding the roll-up element.

Abstract: The present invention refers to a method and to a device for the optimized transmission of remote control signals particularly but not exclusively used to open or close gates, doors and automatic barriers, in which the method (100) for the optimized transmission of remote control signals comprises a phase consisting of transmitting (110) a remote control signal at a carrier frequency through a via-ether transmission interface (11) and it is characterised in that it comprises in addition the phases consisting of receiving (120) through a via-ether receiving means (12) the transmitted remote control signal and measuring its radiated power, and varying (130) the transmitted remote control signal so as to maximize said measured radiated power.

Abstract: A ceiling driving unit for moving doors comprises a motor unit (12) arranged at the end of a running rail (11) for a door-dragging carriage (17). The motor unit has a driven axis (14) that engages a mechanism in the rail to transmit movement to the carriage and between the rail and motor unit there are mutual coupling means (26-27-28-29, 30-31-32-33) for connecting the motor unit to the rail and which are driven by manual rotation of the motor unit around the driven axis.

Abstract: A gate movement drive comprises a motor movement unit (11) with linear-movement actuator and a sensing device (14) for detection of an angle which is a function of the gate position. The linear movement actuator (11) has its ends pivoted to respective supports (24,32) designed for fastening of the actuator between a fixed part and a wing of a gate which is pivoted to a rotation axis (23). The sensing device (14) is connected between the actuator and one of the supports (24,32) for detection of the angle of rotation between the actuator and the support.

Abstract: A hydraulic operating device for gate movement comprises a gate pintleing unit (10) comprising a box (11) with rotating support body (37) for a shaft (12) having a first gear (20) integral therewith projecting into the box. The shaft (12) faces at the top a box (11) with one of its axial fixing ends (15) integral with the gate rotation axis. The device also comprises a hydraulic operating unit made up of a drive element (25) consisting of a central body (32) from which project opposed hydraulic cylinders (26,27) in which run respective pistons (28,29). Between the pistons is connected a rack (30) traversing the central body (32) to project laterally therefrom with its teeth. It is thus possible to prepare a gate for future automation by mounting only the box and subsequently inserting therein the operating unit.

Abstract: A method for control of the speed of an asynchronous electric motor by powering the motor with a single-phase sine wave voltage for its running at rated speed, and supplying it with at least one first partialized voltage formed from the sine wave voltage for a half-period or half cycle thereof, for running the motor at speed reduced to a fraction of its rated speed. A device for applying the method including a first power supply applied to the motor with a sine wave voltage for running at rated speed and a second means power supply applied to the motor with at least one first partialized voltage formed from the sine wave voltage for a half-period of the sine wave every uneven number ns of half-periods thereof for running at a motor speed reduced to a fraction of rated speed. Control apparatus sends activation signals alternately to the first and second power supplies upon reception of control signals requiring running at rated speed or reduced speed.