Abstract: The transmission comprises a gearbox having first and second input shafts coaxial to one another, wherein the second input shaft carries driving gearwheels associated to the even gears (second, fourth and sixth) and to the highest gear (sixth or seventh); and a clutch unit having first and second dry friction clutches arranged to couple a drive shaft of the motor vehicle respectively to the first and second input shafts of the gearbox. The first friction clutch associated to the first input shaft is normally disengaged, whereas the second friction clutch associated to the second input shaft is normally engaged.

Abstract: The system comprises: an electrical generator which can be driven by the motor vehicle's engine, a first storage battery which is connected to the generator by means of a power line and is intended to be connected to the normal user devices; and a second battery or auxiliary battery which is connected to the power line and is intended to be connected to the priority user devices. The second battery is connected to the power line by means of a controlled unidirectional dc/dc converter which can permit the transfer of energy solely from the line to the second battery, and with which is associated an electronic control system which is arranged to estimate the charge state of the second battery in accordance with predetermined procedures, and to control the dc/dc converter in a manner such as to regulate the supply of electrical energy from the power line to the second battery so that the estimated charge state of the second battery tends towards a predetermined reference value.

Abstract: The transmission comprises: a first input shaft carrying first, second and third driving gearwheels associated to odd gears and to a reverse gear; a second input shaft made in the form of a hollow shaft coaxial with the first input shaft and carrying fourth and fifth driving gearwheels associated to even gears; a first friction clutch for coupling the first input shaft to a driving shaft of the vehicle; a second friction clutch for coupling the second input shaft to the driving shaft; a first output shaft arranged parallel to the first and second input shafts and carrying a first idle driven gearwheel meshing with the first driving gearwheel for providing a first gear, a second idle driven gearwheel meshing with the second driving gearwheel for providing a third gear and a third idle driven gearwheel meshing with the fifth driving gearwheel for providing a sixth gear, as well as a first engagement sleeve for selectively engaging the first or the third gear and a second engagement sleeve for engaging the sixth

Abstract: A filtering body is obtained for particulate of diesel engines, consisting of a ceramic foam that is produced, starting from a ceramic-material powder-based suspension (slurry), by preparing a perform of polymeric foam material and impregnating the said perform with the ceramic-powder slurry so as to distribute the slurry evenly on the perform, and by then subjecting the body thus obtained to a thermal cycle of sintering in such a way as to pyrolyze the polymeric material and obtain a high-porosity ceramic material. The ceramic-material powder is chosen from among mullite powder, alumina powder, zirconia powder, and mixtures thereof, having very high purity, controlled grain-size, and a high specific surface.

Abstract: The wheel comprises: a shaft adapted to be secured to a bearing structure of the vehicle and about which the wheel is mounted to rotate, a reversible rotary electrical machine mounted coaxially about the shaft and adapted selectively to act as an electrical generator and as an electric motor actuating the wheel, energy storage devices which may be coupled to the electrical machine, an electronic control unit adapted to control the electrical machine and the energy storage means according to predetermined methods, and solar energy converters connected to at least one lateral portion of the wheel and adapted to convert the incident solar energy into electrical energy, and which may be coupled to the energy storage means. The energy storage devices comprise at least one substantially planar or film rechargeable battery applied to at least one lateral portion of the wheel and rotating rigidly with this wheel.

Abstract: The system comprises a main combined generating module which can be supplied with a flow of a fuel and which can generate electrical energy and thermal energy in the form of a flow of at least a first hot fluid, preferably water. The main module has an electrical output terminal or node which can be connected directly to electrical user appliances and which can also be connected in parallel with an external electrical generating and distribution network by means of a controlled switching device.

Abstract: A fuel-injection system in an internal-combustion engine is provided with an electroinjector (1) comprising an injection nozzle (5), and a needle (7) mobile along an opening stroke and a closing stroke for opening/closing the nozzle (5) under the control of an electroactuator device (8). The opening stroke of the needle (7) is controlled by a rod (14) pushed by the pressure of the fuel in a control chamber (15), in such a way as to keep the needle (7) normally in the position for closing the nozzle (5). The control chamber (15) is equipped with an inlet duct (18) having a pre-set diameter (D4) and with an outlet passage (24) having a diameter (D5) and controlled by a control valve (16).

Abstract: A magnetic temperature sensing device for rotatably moving parts, of the type including at least a magnetic field source element associated to the rotatably moving part and a magnetic field sensing element associated with a fixed part to measure parameters of a magnetic field determined by the magnetic field source element, the parameters of the magnetic field being a function of the temperature of the rotatably moving part. The magnetic field source element permits rotation along at least an axis the direction of the magnetic field as a function of the temperature of the rotatably moving part.

Abstract: The electrical apparatus comprises a rigid casing which has a multipole electrical connector and in which are housed: an auxiliary storage battery to be connected to the priority loads by means of the connector, a controlled unidirectional DC/DC converter to be connected to the auxiliary battery and, via the connector, to the electrical-energy generating apparatus of the motor vehicle for the recharging of the auxiliary battery, electrical switches suitable for controlling the connections between the DC/DC converter and the auxiliary battery and, via the connector, the generating apparatus, and an electronic control unit associated with the DC/DC converter and arranged for: controlling the electrical switches in a manner such as to enable the DC/DC converter to be connected to the generating apparatus and to the auxiliary battery in predetermined operative conditions, then estimating the charge state of the auxiliary battery and driving the DC/DC converter in a manner such as to regulate the supply of electri

Abstract: The invention discloses a system and a method to avoid the collision of a vehicle with animals tending to cross the road before the moving vehicle. Such system comprises a visual system directly actuating a RF emitter, or more RF emitters, emitting directional sound waves with a frequency above 25,000 Hz. Sound waves are directed frontally though with a frequency decreasing from the center of the roadway towards the road edge, so as to lead the animal to move towards the road edge.

Abstract: A motor-vehicle dashboard incorporating an air distribution system that includes suitable means for controlling the deviation of airflow in the various ducts (3) associated with the outlet vents (2) on the dashboard, using the Coanda effect.

Abstract: Gas injection system, particularly of methane, for an internal combustion engine, comprising a plurality of electromagnetically controlled injectors associated to the various cylinders of the engine, a gas distributing manifold communicating with the injectors, a reservoir feeding the distributing manifold, where the pressurised gas is accumulated.

Abstract: A system for detecting the operative strokes of an internal combustion reciprocating engine (10) includes a plurality of cylinders (C1, C2, C3, C4), a crankshaft (12) and at least one camshaft (22). The system also includes first and second sensors (14, 28, 26, 30), each including one sensor (28, 30) and one wheel (14, 26), the first sensor detecting the frequency of revolution of the crankshaft (12) and the angular position of at least one cambshaft (22), respectively. The second sensor includes a phonic wheel (26) split into a number of sectors (S1, S2, S3, S4) equal to the number of cylinders (C1, C2, C3, C4) in which each sector (S1, S2, S3, S4) has a characteristic number of projections and recesses (34) which is different from those of other sectors. An electronic control unit (32) establishes the operative strokes of the cylinders (C1, C2, C3, C4) in accordance with the signals output by the first and second sensors.

Abstract: In an internal combustion engine comprising an hydraulic system for the variable driving of valves, one tappet comprises two separate piston sections that are connected to two distinct pressure chambers, which control the driving pistons of two separate valves of the same engine cylinder.

Abstract: In a tank for a system for injection supply of LPG for internal-combustion engines, a number of hydraulic-connection elements associated to a service flange which closes the top opening of the tank are mounted on said flange by fixing to the bottom surface of the latter, without having any parts that are mounted via through holes of the flange. Provided inside the tank is an electrically operated pump which is fixed to the bottom wall of the tank structure and which in turn carries the structure of a level-sensing device of a capacitive type.

Abstract: A light source composed of a planar, or substantially level, flat or curved, rigid or flexible, matrix of microfilaments integrated on a single substrate and capable of emitting light by incandescence when supplied by an electric current.

Abstract: Apparatus comprising a plurality of Venetian blind slats controlled by an actuator rod associated to one side of a frame supporting the pivoting slats. The actuator rod is controlled by a metallic alloy shape memory wire associated to said rod, which is powered by electrical current causing the wire to heat and shorten thus moving the actuator rod against the action of a return spring. The actuator system is completely integrated in the structure of the apparatus. The position of the actuator rod is signalled by a sensor, preferably a potentiometer, comprising a slider connected to the actuator rod, co-operating with an electrical track connected to the frame of the apparatus.

Abstract: Gas injection system, particularly of methane, for an internal combustion engine, comprising a plurality of electromagnetically controlled injectors associated to the various cylinders of the engine, a gas distributing manifold communicating with the injectors, a reservoir feeding the distributing manifold, where the pressurised gas is accumulated.

Abstract: The system comprises:

Abstract: Electrostatic linear motor comprising a planar stator having a capacitive structure formed by a metal layer and a layer of dielectric material and a runner movable parallel to stator and carrying resiliently deformable projecting feet formed by a thin conductive film, arranged in rolling contact with the layer of dielectric material of the stator. The layer of dielectric material has a non-linear polarization versus the electric field applied by a source for supplying voltage pulses, and is preferably constituted by a film of ferroelectric material with a high value of dielectric permittivity.