Fiume, Orazio

Electric vehicle comprising a vehicle chassis to which at least one electric propulsion motor (M) and a battery pack with a voltage greater than 300 V are associated, and at least one electric power cable (C) arranged to interconnect an inverter (I) of the electric propulsion motor with the battery pack, wherein the electric cable (C) is arranged in a passage (P) defined by the vehicle chassis (F), wherein the passage is painted with an electrically insulating paint.

The invention discloses a method for manufacturing a semi-finished product, in particular a shoe sole obtained by molding and a directly obtained semi-finished product, wherein the method comprises a first step of preparing an additivated compound (5), obtained by mixing one or more recycled materials reduced to granules chosen from recycled textile material, recycled leather, cellulose, recycled plastic material and added with a binder; a second step of introducing said mixture (5) into a mold; and a third step carried out during the second step of introducing a casting material (6) such as polyurethane or EVA (Ethylene Vinyl Acetate) into the mold.

A method of controlling a variable-displacement pump (P) of an internal combustion engine refrigeration system, wherein the flow rate is adjustable by means of a sliding sleeve (SS) capable of being maintained in a predetermined position in relation to a target flow rate by means of an electro-hydraulic actuation comprising a solenoid valve (SV), the method comprising a step of acquiring a target position and controlling said solenoid valve to actuate the sliding sleeve to said target position only when a change (E) in position exceeds a predetermined percentage threshold (Th).

Electric axle (EA) for an industrial or commercial vehicle comprising a differential (DF) provided with an input port (DFI) and half-shafts (H1, H2) for driving respective vehicle wheels (W1, W2) in rotation, a first electric machine (EMG1, EMG2) having a motor shaft (SM, SM'), a first transmission comprising: a planetary gearset (EG, EG1, EG2) parallel but not coaxial with said half-shafts (H1, H2) and comprising a single output port (OW1, OW2) operatively connected to said input port of the differential, a first input port (M1) and a second input port (M2) selectively connectable to a first hollow shaft (HS1), parallel but not coaxial with said half-shafts, wherein the first hollow shaft (HS1) is supported by a first toothed wheel (TW1, TW2) by means of a first splined coupling, wherein the first toothed wheel is directly or indirectly coupled to said first electric machine (EMG1, EMG2) and wherein said first hollow shaft is configured to selectively couple said first and second input port by means of an axial movement defined by said first splined coupling.

Method of estimating, by computer, a temperature (Tc) of a gaseous fluid at an intake valve (IV) of a spark ignition engine comprising an intake duct (IM) in which a throttle valve (TV) is housed, a first temperature and pressure sensor (SS) arranged at a central point between the throttle valve and said intake valve to generate a signal representative of a measured pressure value (p1) and a measured temperature (T1), the method comprising: a first step of virtually partitioning a main volume (PV) of the intake duct between said throttle valve and said intake valve considering a sub-volume (SV) of the main volume, arranged immediately upstream of the intake valve, and a second step of acquiring a measured pressure value (p1) by means of said temperature and pressure sensor (SS) and considering it as uniform throughout the main volume, and a third step of calculating said estimate of the temperature (Tc) at the intake valve (IV) on the basis of a heat balance function of a heat exchange between the fluid and walls delimiting the sub-volume (SV), a mass balance function of the said measured pressure value (p1).

A mixer (1) for an exhaust gas after-treatment system (ATS), comprising at least one tubular element (2) defining a longitudinal development axis (A), wherein the tubular element (2) is provided with an annular inlet (IN1) for the introduction of exhaust gas into it, wherein the inlet is provided with a closing means (W1, W2, SS) arranged to vary an outflow area of the inlet (IN1), in order to vary an outflow rate of exhaust gas into the tubular element (2).

Method for extinguishing a fire in a battery pack of an electric vehicle having said battery pack (2) housed inside a container (4) equipped with a cooling circuit (8), characterised by the fact that a flow of pressurised water is introduced from the outside into said cooling circuit (8) and the flooding of said container (4) is caused following the automatic intervention of at least one maximum pressure valve (14), provided in said cooling circuit inside said container (4) and activated by the pressure of said water.

Torsional stress damping system of a parking wheel (W), wherein the parking wheel is associated with a relative drive shaft (TS) by means of a splined coupling, wherein the splined coupling is made between a torsionally elastic sleeve (S) and the drive shaft, wherein the sleeve and the drive shaft are coupled by means of a first and a second splined coupling (S1, S2) appropriately spaced axially from each other, wherein the parking wheel is associated with the sleeve in correspondence with the second splined coupling (S2) and wherein the first splined coupling (S1) defines a first value of connection stiffness between the drive shaft and the sleeve, greater than a second value of stiffness defined by the second splined coupling (S2).

Hybrid propulsion system comprising an internal combustion engine (E) equipped with a crankshaft (KS), a flywheel (FL) designed to be permanently attached to said crankshaft (KS), a torsional decoupler (SD, TS) operatively associated with the flywheel (FL) arranged to rotate a shaft (SS) comprising a first end (SS1), fixed in rotation with the torsional decoupler, and a second end (SS2) opposite the first end, fixed in rotation with a bushing (S) connecting to a transmission (TRM), an electric motor (EM) comprising a rotor (RT) operatively connected to said transmission, in which the rotor is operatively fixed to said connecting bushing (S) by means of an elastomeric coupling (EC) and in which the shaft is coaxial with the rotor and passes through a central opening in the rotor.

An electric machine (EM) comprising a housing (H) defining an accommodation space, provided with an oil inlet (IN) communicating with the accommodation space; a stator core (ST) defining a rotation axis (X) arranged in the accommodation space, comprising oil flow guide disk (D) arranged in an intermediate position of the stator along the rotation axis, wherein the oil flow guide disk includes annular oil channels (G1, G2) for directing oil received by the inlet (IN) in axial channels (XC1, XC2) defined in the stator core; wherein the axial oil channels are arranged in two or more groups (G1, G2) according to a relating radial position in the stator core, wherein the oil flow guide disk (D) is designed to connect the two or more groups in parallel between each other, such that oil flows only from the flow guide disk (D) towards end faces (EF1, EF2) of the stator core and wherein the axial channels are open at the opposite end faces of the stator core (ST).