Abstract: A rotor for a rotary electric machine; the rotor has: a shaft, which is mounted so as to rotate around a rotation axis; a magnetic core, which is arranged around the shaft and consists of a plurality of lamination sheets stacked together; and a pair of end discs, which are arranged around the shaft at the two opposite ends of the magnetic core and are designed to keep the lamination sheets of the magnetic core stacked together; wherein the end discs are designed to have balancing holes, which dynamically balance the rotor around the rotation axis. Each end disc consists of an inner component with an annular shape, which is arranged around the shaft and is made of a first metal material, and of an outer component with an annular shape, which is arranged around the inner component and is made of a second metal material, which is different from the first metal material and is non-magnetic.

Abstract: Fuel pump for an internal combustion engine, wherein the fuel pump has: an auxiliary tank designed to receive a fuel flow from a low-pressure fuel pump; a pumping device drawing the fuel from the auxiliary tank through a suction duct; a Venturi choke arranged along the suction duct; and a degasification duct, which originates in a ceiling of the auxiliary tank and leads to the middle of the Venturi choke.

Abstract: Electromechanical actuator to operate a component of a vehicle provided with a housing formed by a lower element and a lid; a transmission arranged inside the housing and comprising an output shaft provided with a first symmetry axis and an intermediate shaft, which meshes with the output shaft and is provided with a second symmetry axis transverse to the first symmetry axis; and a pair of electric motors also arranged inside the housing; wherein each of the two electric motors rotates the output shaft through the intermediate shaft and wherein the two electric motors are provided with respective rotation axes parallel to each other and transverse to the first symmetry axis.

Abstract: An intercooler for a turbocharged internal combustion heat engine; the intercooler has: a cooling chamber, which is provided with an air inlet opening and an air outlet opening opposite one another; a plurality of exchanger plates, which are stacked on top of one another inside the cooling chamber, are arranged parallel to an air flowing direction from the inlet opening to the outlet opening, are spaced apart from one another so as to define corresponding air passage channels between one another, and are internally hollow; a circulation circuit, which allows a cooling fluid to circulate inside the exchanger plates; and a plurality of thermoelectric cells, each of which is mounted on a corresponding exchanger plate, and has a cold side resting on the exchanger plate and a hot side delimiting a corresponding air passage channel.

Abstract: Method to determine a closing instant of an electromagnetic fuel injector; in a beginning instant of the injection, a positive voltage is applied to a coil of an electromagnetic actuator so as to cause an electric current to circulate through the coil, said electric current determining the opening of an injection valve; in an end instant of the injection, a negative voltage is applied to the coil of the electromagnetic actuator so as to cancel the electric current circulating through the coil; a first voltage time development is detected at least one end of the coil of the electromagnetic actuator after the cancellation of the electric current circulating through the coil; the voltage actuation time development is compared with a voltage comparison time development; and the closing instant of the electromagnetic injector is determined based on the comparison between the voltage actuation time development and the voltage comparison time development.

Abstract: A method for determining the mass m of air trapped in each cylinder of an internal combustion engine comprises determining, a value for each quantity of a first group of reference quantities comprising at least intake pressure P measured inside the intake manifold, engine rotation speed n, mass of gases produced by the combustion in the previous operating cycle (OFF) and present in the cylinder, determining, the actual inner volume V of each cylinder as a function of the engine rotation speed n, of the lift H of the intake valve and of the closing delay angle IVC of the intake valve, and determining the mass m of air trapped in each cylinder as a function of the first group of reference quantities and of the actual volume V inside each cylinder, on the basis of the aforesaid quantities P, V, OFF.

Abstract: Method to determine an opening time of an electromagnetic fuel injector; the electromagnetic fuel injector is controlled using a series of progressively increasing energization times of the electromagnetic actuator; for each control of the electromagnetic injector, the presence or the absence of a closing of the injection valve is detected; the opening time is identified, which is equal to an intermediate value between the last energization time of the electromagnetic actuator for which the absence of a closing of the injection valve was determined and the first energization time of the electromagnetic actuator for which the presence of a closing of the injection valve was determined.

Abstract: An exhaust gas treatment device for an exhaust system of an internal combustion engine; the treatment device is provided with: a tubular duct, which is delimited by a first tubular side wall and has a first exhaust gas inlet opening, a first exhaust gas outlet opening, and an injection opening; and a mixing body, which is arranged inside the tubular duct, is hollow on the inside so that the exhaust gases can flow through it, and has a first perforated base wall with a circular shape, which faces the first outlet opening, a second base wall with a partially circular shape, which faces the first inlet opening, and a second tubular side wall, which joins the first base wall to the second base wall and has a second inlet opening leading into the mixing body. Main figure: FIG.

Abstract: A method for managing traffic in a network based upon Ethernet switches, which are compliant with the IEEE 802.1Q and TSN communication standards, including the steps of dividing frames received into queues; scheduling transmission of the frames contained in the queues on the basis of the respective priorities of the traffic classes; and, if frames are present belonging to a traffic class in the plurality of traffic classes that has a higher priority than frames belonging to the event-triggered traffic class and when at least one protected time window occurs, transmitting the frames that belong to the traffic class with higher priority and blocking transmission of the frames that belong to the remaining traffic classes; and if the queue dedicated to the event-triggered traffic class is empty, transmitting a frame belonging to one of the remaining traffic classes that have frames with a priority lower than the frames belonging to the event-triggered traffic class.

Abstract: A method to control the combustion of an internal combustion engine comprising determining a combustion model providing a spark advance value depending on an objective value of a quantity representing the incidence of a low-pressure EGR circuit, of the rotation speed, of the intake efficiency and of an open-loop contribution of a combustion index; calculating a first closed-loop contribution of the spark advance depending on the combustion index; calculating a second closed-loop contribution of the spark advance depending on a quantity indicating the knocking energy; and calculating the objective value of the spark advance angle to be operated through the sum of the spark advance value provided by the combustion model and of the first closed-loop contribution or, alternatively, of the second closed-loop contribution.

Abstract: Injection method and system for the injection of water in an internal combustion engine; the following steps are substantially comprised: operating, when the internal combustion engine is turned on, a reversible pump in order to suck water from a tank and feed the water under pressure to an injector through a feeding duct; cyclically opening, when the internal combustion engine is turned on, the injector in order to inject the water towards at least one cylinder of the internal combustion engine; and draining the water, when the internal combustion engine is turned off, from the injector and the feeding duct by using a release valve connecting the feeding duct to the outside.

Abstract: An adsorption system for the production of demineralized water aboard a motor vehicle comprising: a condenser, an evaporator, a first and a second adsorbent bed, each containing adsorbent material. Each adsorbent bed is selectively connectable to the condenser and/or the evaporator by pipes provided with at least one control valve. Each adsorbent bed is selectively and alternately connectable to a supply circuit of a heating source and to a supply circuit of a cooling source via supply valves. The condenser is directly and selectively connectable to the evaporator by a direct branch provided with a relative throttle valve, An inlet valve is arranged along an air inlet branch, and selectively establishes a fluid connection between the air of the environment outside the system and the adsorbent beds, so as to capture water from the external air through an adsorption phenomenon performed by the adsorbent beds and to produce water.

Abstract: A cooling module for an electrical energy storage system for an electric drive vehicle. The cooling module has an exchanger plate that is hollow on the inside so as to have, on the inside, a circulation chamber that is designed to contain a cooling liquid. The exchanger plate has: an inlet opening that is obtained through a front wall of the exchanger plate and is designed to allow the cooling liquid to flow into the circulation chamber, and an outlet opening that is obtained through a rear wall of the exchanger plate and is designed to allow the cooling liquid to flow out of the circulation chamber. The cooling module has a plurality of interface elements, which are placed inside the circulation chamber, are shaped like a wave, and are arranged in rows.