FERRARI S.p.A. Patente

Motor vehicle comprising a body defining a passenger compartment, a first axle located, in use, at the front relative to a first longitudinal axis (X) of the motor vehicle, and a second axle located, in use, at the back relative to the first axle with reference to the first longitudinal axis (X), the first axle and second axle comprise first wheels and second wheels, respectively, and an air conditioning system which can be operated to adjust the temperature inside the passenger compartment, the body comprises a fixing structure (80) located behind the passenger compartment, the fixing structure (80) is hollow and has a width, measured parallel to a second axis (Y) progressively decreasing from the first axle to the second axle parallel to the first longitudinal axis (X), the air conditioning system comprises, in turn, a heat exchanger (24) housed inside the fixing structure (80), the heat exchanger (24) has a width, measured parallel to the second axis (Y) progressively decreasing from the first axle to the second axle parallel to the first longitudinal axis (X).

A motor vehicle (1) includes a longitudinal axis (X), a window (3) arranged transversally with respect to the longitudinal axis, and a hood (2) substantially extending as a longitudinal extension of an upper portion (3b) of the window (3), with the hood and said upper portion (2, 3b) extending longitudinally in succession and flush with each other according to a profile (5) that is continuous in at at least one domain of the longitudinal axis (X) between a first intermediate point of the hood (2) and a second intermediate point of said upper portion (3b), wherein the motor vehicle further comprises at least one windshield wiper (25) with a wiper blade (26) movable between a first position and a second position, wherein the wiper blade (26), in the first and second position, is entirely aligned above the hood (2) and entirely in contact with the window (3), respectively.

A moving assembly (3, 3') for an airfoil (10) of a car (1) is described, comprising an airfoil (10) comprising a first portion (11) and a second portion (12); a support structure (15) which can be fixed to the motor vehicle (1) and with respect to which the airfoil (10) is movable to vary its angle of attack with respect to the air; a first actuator (20, 20') articulated on the support structure (15); a first lever (25) operatively connected to the second portion (12) of the airfoil (10) and to the first actuator (20, 20'); a second lever (30) articulated on the support structure (15) and on which the first portion (11) of the airfoil (10) is articulated; and a second actuator (35), which can be operated to determine the rotation of the second lever (30) with respect to the support structure (15); the first actuator (20, 20') comprises a case (37) and a piston (36) telescopically coupled to one another according to a first axis (J); the first lever (25) is articulated on the piston (36).

A command device (10; 10'; 10"; 10‴) for a motor vehicle (1; 1'; 1"; 1‴) and configured to select one or more functionalities of the motor vehicle (1; 1'; 1"; 1‴) to be controlled or activated. The command device (10; 10'; 10"; 10‴) is provided with a base (11) configured to be fixed to a portion (2) of the motor vehicle (1; 1'; 1"; 1‴) and comprising a guide (12) and a movable selector (13). This movable selector (13) is movable along the guide (12) between at least a first position, for selecting a first functionality of the motor vehicle (1; 1'; 1"; 1‴), and a second position, for selecting a second functionality of the motor vehicle (1; 1'; 1"; 1‴).

A hydrogen propelled motor vehicle (1) is described, which comprises: a tank (15) designed to be filled with hydrogen; a frame (10) designed to support the tank (15); and a valve (17) fixed to the frame (10) and designed to selectively allow the tank (15) to be filled with and emptied from hydrogen; the tank (15) comprises a first portion (20) fixed to the valve (17); a second portion (21) free to deform as a result of the variation in pressure inside the tank (15); and a third portion (22); the motor vehicle (1) comprises a containing element (32) interposed between the third portion (22) of the tank (15) and the frame (10).

A command device (10; 10'; 10''; 10‴) for a motor vehicle (1; 1'; 1"; 1‴) comprising a base (11) configured to be fixed to a portion (2) of the motor vehicle (1; 1'; 1"; 17‴) and comprising a guide (12; 12''). The command device also comprises a movable selector (13; 13‴), which is movable along the guide (12; 12'') and comprises, in turn, a stem (30) and a knob (31; 31‴), which is operatively connected to the stem (30). The knob (31; 31‴) comprises at least one selection device (32; 34‴, 35‴) configured to receive, in use, an input from a user and to generate a corresponding signal indicative of said input. The command device (10; 10') further comprises an electronic control unit (51; 51'; 51‴) operatively connected to the selection device (32; 34‴, 35‴). The electronic control unit (51; 51'; 51‴) is configured to control at least one parameter associated with the motor vehicle (1; 1'; 1''; 1‴) based on said signal.

An electrical energy storage device (1) comprising a case (2) defining an inner volume (3), a plurality of electrochemical cells (4) housed in the inner volume (3). The case (2) comprises a surface (5) provided with at least one curved region (6).

An electrical energy storage device (1) comprising a case (2) defining an inner volume (3), which is hermetic, and a plurality of electrochemical cells (4) of the pouch type housed in the inner volume (3). The inner volume (3) is under pressure.

An electric motor (1) for automotive traction comprising: a stator (4) provided with a plurality of electrical windings (11), which are distributed around a motor longitudinal axis (A); a rotor which is accommodated in the stator (4) with the capability of rotating about said motor longitudinal axis (A); and an inner electric circuit (7), which connects said electrical windings (11) to an external terminal block (6) so as to allow the passage of electric current to and from said electrical windings (11), and includes an annular body (20) comprising: a series of annular flat-wires (21), which are made of electrically conductive material and are arranged one above the other so as to form a tubular stack; a tubular jacket (22), which is made of electrically insulating material and encloses within its annular wall the stack of annular flat-wires (21), isolating the individual annular flat-wires (21) from each other; and a series of longitudinal rods (24), which are made of electrically conductive material, protrude from one of the two axial ends of the tubular jacket (22), and at the same time extend inside the annular wall of the tubular jacket (22) until they reach and electrically connect to respective annular flat-wires (21).

An additional propulsion method and system (6) for a vehicle (1) with an endothermic engine (5); wherein, the propulsion system (6) has a manifold (7) with an inner cavity (19) which communicates with the outside through: a plurality of inlets (8), each of which is configured to be connected to the engine (5) and receive, in use, exhaust gases (g) coming out (21) of the endothermic engine (5); and an outlet (9), which is configured to be connected to an exhaust line (10, 11) to channel exhaust gases (g) outside the vehicle (1); wherein a conduit (18) at least partially covers the manifold (7) without contact to form one or more ducts (15; 15I; 15II) of a flow of air (f) along the outer surface (12) of the manifold (7).

A road vehicle is provided with a support frame (2) defining at least part of a lower floor (3) of the road vehicle, a passenger compartment (4), an outer body (5), and a roll-up photovoltaic panel (16) movable between a retracted position, in which the photovoltaic panel (16) is substantially arranged inside a housing chamber (11) obtained on or inside the outer body (5), and an extracted position, in which the photovoltaic panel (16) is substantially arranged outside the housing chamber (11) and extends along at least part of the passenger compartment (4) and/or the outer body (5).

A road vehicle with a roll axis X, a pitch axis Y and a yaw axis Z; wherein the vehicle comprises a chassis defining a passenger compartment housing at least one seat for a user; wherein the vehicle comprises a seatbelt on each seat; wherein for each seatbelt an active tensioning device is provided that is configured to vary the tensioning of the seatbelt between a plurality of tensioning values within a range; wherein the active tensioning device is controlled by a control unit on the basis of at least one datum relating to the vehicle and/or the surrounding environment measured continuously by the at least one sensor to adjust continuously or in steps the tensioning of the seatbelt as the at least one datum measured by the at least one sensor changes.

A vehicle (1) provided with a suspension (7) having an arm (8) having a first end (9I) connected, in use, to a supporting structure (2) and a second end (9II) connected, in use, to a hub holder (6); wherein, the arm (8) has a structural element (10) and an aerodynamic fairing (11), which are reciprocally movable and can be driven depending on the driving condition of the corresponding arm (8) without the use of actuators.

A motor vehicle (1) is described with a body (2), a passenger compartment (4), a front and a rear (5, 6) and a hardtop (3); the motor vehicle (1) can be switched to a first configuration, in which the hardtop (3) is fully extended and arranged so as to cover the passenger compartment (4) and a second configuration in which the hardtop (3) is fully folded and housed inside the rear (6); the hardtop (3) comprises a first panel (10); and a pair of second panels (11); the first panel (10) comprises a first portion (18) and a second portion (19); the first portion (18) is interposed between the front (5) and the second portion (19) and the second portion (19) is interposed between the first portion (18) and the rear (6); the second portion (19) is tapered, proceeding from the first portion (18) to the rear (6) moving parallel to the first axis (X), and interposed along said second axis (Y) between the second panels (11).

A method to customize a seat (1) of a car to be used on a racing track. The seat (1) has: a base structure (5) which is rigid and is divided into a cushion (2) and a backrest (3) which are movable relative to each other; and an upholstery (6) which is elastically deformable, covers at least partially the base structure (5), and has a series of components (7) which are fixed in a detachable manner to the base structure (5). The customization method entails the steps of: removing all the components (7) of the upholstery (6) from the base structure (5); manufacturing a monolithic containing shell (8) provided with a lower surface (9) shaped to couple with the base structure (5) and an upper surface (10) shaped to accommodate the body of the occupant of the seat (1); arranging and locking the backrest (3) of the base structure (5) in a predetermined position relative to the cushion (2) of the base structure (5); and resting the containing shell (8) on the base structure (5) without the components (7) of the upholstery (6).

Road-use motor vehicle (1) comprising: a vehicle-body (2) which is provided with a plurality of ground resting wheels (6, 7) and a passenger compartment (3) open at the top; and at least one seat (11, 12), which is located within the passenger compartment (3) and is adapted to accommodate and support a person in a seated position; the seat (11, 12) being provided with a substantially horizontal seat-base (14) and a backrest (15), which rises from the rear edge of the seat-base (14) in the nearby of a rear bulkhead (10) of the vehicle-body (2), which contributes to delimiting said passenger compartment (3); the motor vehicle (1) being provided additionally with a barrier wall (20), which extends between the backrest (15) of the seat (11, 12) and the rear bulkhead (10) of the vehicle-body (2), so as to hamper the air circulation in the space between the backrest (15) and the rear bulkhead (10).

The electric system (16) of a road vehicle (1) and having: a high-voltage electrical circuit (17) provided with a storage system (14) and with at least one electric machine (8) designed to generate electrical energy; a low-voltage electrical circuit (18) provided with at least one continuous electrical load which must be powered even when the vehicle (1) is in a parking condition and at least one occasional electrical load which must not be powered even when the vehicle (1) is in the parking condition; a main electronic DC-DC power converter (27) which connects the low-voltage electrical circuit (18) and the high-voltage electrical circuit (17) to power all electrical loads; and secondary electronic DC-DC power converter (28) which is completely separate from and independent of the main electronic DC-DC power converter (27) and connects the low-voltage electrical circuit (18) and the high-voltage electrical circuit (17) to one another so as to power only and exclusively the continuous electrical load.

A road vehicle having a roll axis, a pitch axis, a yaw axis, a chassis and two front wheels; wherein each front wheel comprises a front suspension lever connecting the corresponding front wheel to the chassis; wherein each front suspension lever is substantially shaped in the form of a triangle with a first vertex coupled to the corresponding front wheel and the remaining two vertices coupled to the chassis at a front attachment point and at a rear attachment point, respectively, with respect to the direction of travel along the roll axis; wherein the coupling between the front vertex of the front suspension lever and the chassis comprises a break-in invitation zone.

An electronic clutch for road vehicles has a clutch pedal (3) mounted so as to rotate around a rotation axis (4) from and to a rest position; a detection device (5), in particular an angular position sensor, to detect the angular position of the clutch pedal (3) around the rotation axis (4); and a pushing assembly (12), which is configured to move the clutch pedal (3) to its rest position and normally hold it there, and is provided with a cylinder (13), a piston (15) coupled to the cylinder (13) in a sliding manner, and a pushing device (19) interposed between the cylinder (13) and the piston (15) to hold an end face (22) of the piston (15) in contact with the clutch pedal (3).

A synchronization system (30) for synchronization of at least one physical element (12) and at least one digital element (13) of an analog/digital instrument (30) of a vehicle (1) is described, which envisages: a first driving sub-system (32), for driving the digital element (13) and including a first digital processing unit (32a) operatively coupled to the digital element (13); a second driving sub-system (34), for driving the physical element (12) and including a second digital processing unit (34a) operatively coupled to the physical element (12). The first and second digital processing units (32a, 34a) of the first and second driving sub-systems (32, 34) implement a synchronization algorithm to determine a synchronism between an operation of the first driving sub-system (32) and a corresponding operation of the second driving sub-system (34), said synchronization algorithm including operations that are independent of the use of a common reference clock and are based on a set of predefined signals exchanged between the first and second digital processing units (32a, 34a).

A motor vehicle (1) includes a body (2), a side door (4) hinged to the body (2) so that it can rotate about an axis towards a side of the motor vehicle (1) between a closed configuration and an open configuration; a motorized opening device (5), which is controllable to move the door from the closed configuration towards the open configuration; command receiving means (7) to receive an opening request command for the door (4) from the outside of the motor vehicle (1); and a control unit (ECU) configured to control the opening device (5) so that the door (4) rotates from the closed configuration towards the open configuration in response to the opening request command.

An electric machine rotor (1), in particular for an electric motor for traction of motor vehicles, has two shaft portions (4,5) opposite one another and supported by respective bearings; one of said shaft portions (4) defines an inlet (7) and an outlet (8) for a heat exchange liquid, for cooling an annular wall (10) supporting a plurality of permanent magnets (13), and radially delimits an inner cavity (23) engaged by a core (24); the latter has an axial hole (45) communicating with the inlet (7) to supply a plurality of heat exchange channels (28) through delivery junction channels (44), which are separate from one another and are configured so as to divert the liquid into a radial direction; the liquid is then diverted into an axial direction towards the outlet (8) by return junction channels (38), which are also separate from one another; the delivery junction channels (44) and/or the return junction channels (38) are defined by two surfaces (43,42; 35,36), which axially face one another and define part of the core (24) and of a body distinct from the core (24), respectively.

An instrument (12) for performing an audio test on a loudspeaker (11) of a motor vehicle (1) having walls (2) defining an interior passenger compartment (3) with two sitting areas (P) for users of the motor vehicle (1) placed side by side and a pair of sun visors (6) having respective hinge means (7, 8) to be hinged to the walls (2) on at least a first and a second hinge attachment (9, 10) of the walls (2) respectively at said sitting areas (P), the instrument (12) comprising a support device (13) having attachment means (14, 15) configured to be coupled to the first and second hinge attachments (9, 10), so that the support device (13) is carried by said walls (2) within the passenger compartment (3) between said sitting areas (P), one or more microphones (16) carried by the support device (13) at respective fixed positions and configured to pick up sounds emitted by the loudspeaker (11) and generate related signals, and a signal processing unit (18) carried by the support device (13) and configured to at least transmit, externally to the instrument (12), data associated with the signals generated by the microphones (16).

A road vehicle comprising a radiator having a first face facing outwards from the vehicle and an opposite second face facing inwards from the vehicle such that during the motion of the vehicle there is a flow of air passing through the radiator from the outside to the inside of the vehicle to allow heat to pass from a hot fluid circulating in the radiator to the flow of air passing through the radiator; wherein downstream of the radiator, the road vehicle comprises a conveyor group configured to convey the flow of air exiting the second face of the radiator into two air evacuation circuits respectively configured to evacuate the air at different positions of the vehicle.

A motor vehicle (1) having a roll axis (X) and a pitch axis (Y), as well as comprising a body (2) internally defining a passenger compartment (5) with a first and a second sitting area (9, 10) for a driver and a passenger of the motor vehicle, the first and second sitting areas (9, 10) being aligned with each other according to the pitch axis (Y) and comprising a first seat (12) and a second seat (13), respectively, the first seat (12) being distinct from the body (2) and supported by the body (2) above a portion (P) of the body (2), characterized in that the second seat (13) is fixed in a rearward position relative to the first seat (12) according to the roll axis(X) .

A motor vehicle wheel (10) has a rim (13) and a tyre (14) which defines, together with the rim (13), an annular chamber (15); the wheel furthermore has a heat exchanger (24) which is carried by the rim (13) and communicates with the outside via an inlet port and an outlet port for receiving and respectively circulating back a heat exchange liquid; the heat exchanger (24) forms part of a circuit (32) coupled to a heat source installed on the motor vehicle (1) for heating the heat exchange liquid and, therefore, improving the road holding.

A road vehicle has a support frame (2); a passenger compartment (4); a front axle (7) and a rear axle (10); a plurality of wheels (8, 11) mounted on the front axle (7) and on the rear axle (10) and connected to the support frame (2) through the interposition of respective suspensions (9, 12); a braking system (16) provided with at least one brake disc (17) coupled to a wheel (8, 11) in an angularly fixed manner and with a brake caliper (18) associated with the brake disc (17); and a pneumatic cooling circuit (19, 20) provided with an inlet (21, 27) communicating with the external environment and an outlet (22, 28) oriented so as to direct a flow of cooling air, which is fed through the inlet (21, 27) from the external environment, onto the brake disc (17).

A road vehicle has a support frame (2) delimited, on the lower side, by an aerodynamic bottom (11); a passenger compartment (4); an outer body (5); a front compartment (6) obtained in the outer body (5) and delimited by a front bumper (8) and by a front hood (9); and a downforce wing (23), which is configured to generate a downforce on the road vehicle and is provided with a deflector (32), which is movable, relative to the downforce wing (23), between a rest position, in which the deflector (32) is substantially contained in an airfoil of the downforce wing (23), and an operating position, in which the deflector (32) projects from the downforce wing (23).

A road vehicle has a support frame (2) delimited, on the lower side, by an aerodynamic underbody (11); a passenger compartment (4); an outer bodywork (5); a front compartment (6) delimited by a front bumper (8) and a front bonnet (9); a first duct (17) having a first inlet (18) made through the aerodynamic underbody (11) and a first outlet (19) made through the front bonnet (9); and a second duct (20), which has a second inlet (21) made through the front bumper (8), flows into the first duct (17) so as to have a second outlet (22) made inside the first duct (17), and is delimited, on the lower side, by a front wing (23) configured to generate a downforce on the aerodynamic underbody (11) itself.

A motor vehicle (1) includes a rear wheel (18) and a body (2) having a floor (4) arranged to face a ground during use, the floor (4) having a rear end portion defining a diffuser (5) to expand an underlying aerodynamic flow, thereby generating downforce, and a rear wheel arch (14) defining an underlying wheel well (16) housing the rear wheel (18), characterized by comprising a duct (24) extending through the body (2) from an inlet (28) located in a front position with respect to the wheel well (16) to an end section (25) having an opening (26) discharging onto the wheel well (16) between the rear wheel (18) and an intermediate portion of the diffuser (5) according to a pitch axis (Y) of the motor vehicle (1).

A targa style car (1) has a passenger compartment (4), which is rearwardly delimited by a rear window (20), which is at least partly transparent, and has an openable roof (11); the roof (11), when opened, is stored in a compartment (16), which is arranged behind the passenger compartment (4) and is closed by a movable cover (18); the rear window (20) forms part of such cover (18) and includes a wall (28), defining an aperture (29), and a panel (30), which is movable relative to the wall (28) to open and close this aperture (29).

An alarm system, for a motor vehicle (1) having a bodywork (6) internally defining a passenger compartment (2), equipped with: a proximity monitoring unit (16), configured to monitor surroundings of the motor vehicle (1); and a processing unit (14), operatively coupled to the proximity monitoring unit (16) and configured to determine a pre-alarm condition upon detection of movement in the surroundings of the motor vehicle (1), based on information provided by the proximity monitoring unit (16). At least one sensor assembly (12) is solidly coupled to the bodywork (6) of the motor vehicle (1) to provide detection signals as a function of a contact or touch on the bodywork (6); the processing unit (14) is operatively coupled to the sensor assembly (12) and is configured, following the determination of the pre-alarm condition, to: acquire the corresponding detection signals and perform processing operations designed to recognize the contact or touch on the bodywork (6); and generate alarm signalling as a function of the recognition of the contact or touch.

A car seat for road cars has a seat (2); and an operating assembly (6) to selectively control a height and an inclination of the seat (2) relative to a support frame of a road car; the operating assembly (6) having a pair of rear connecting rods (7) coupled in a rotary manner to the seat (2) and to the support frame, a pair of variable-length front connecting rods (11) coupled in a rotary manner to the seat (2) and to the support frame to selectively control the inclination of the seat (2) relative to the support frame, and an actuator device (17) to rotate the rear and front connecting rods (7, 11) and to selectively control the height of the seat (2) relative to the support frame.

A convertible motor vehicle is described, comprising a passenger compartment, a front and a rear with a load compartment and a retractable hardtop; the vehicle is capable of being selectively switched to a first configuration in which the hardtop is at least partly arranged so as to cover the passenger compartment and a second configuration in which the hardtop is at least partly housed within the load compartment; the hardtop comprises with reference to the normal travel direction of the motor vehicle and in a plan view orthogonal to a third axis transverse to the first and second axes: a first panel arranged so as to cover, at the top, a first portion of the passenger compartment in the first configuration and housed in the load compartment in the second configuration; and a second panel arranged so as to cover, at the top, a second portion of the passenger compartment both in the first configuration and in the second configuration.

Car (1) having a passenger compartment (4), bounded at the rear by a rear wall (9), and a receptacle (16) arranged outside and behind said passenger compartment (4) to perform the function of a storage compartment or housing for a sunroof, wherein the car (1) is provided with an air-conditioning system (10) having a plurality of air vents in the passenger compartment (4), an air treatment unit (12) connected to the air vents, an outside air intake to suck air from an outside environment, an inside air intake (20) arranged at the rear wall (9) to suck air from the passenger compartment (4), and a fan device that is configured to suck air from at least one of the two intakes and to supply such air to the air treatment unit (12), the fan device is arranged outside the passenger compartment (4) and behind the receptacle (16), and communicates with the inside air intake (20) via a duct having a slit portion, which is arranged below the receptacle (16) and has a cross-section elongated along a horizontal axis (24) orthogonal to a median longitudinal plane of the car (1).

A convertible motor vehicle (1) is described, comprising a body (2); a passenger compartment (4); a front and a rear (5, 6) with a load compartment (7); and a retractable hardtop (3); the motor vehicle (1) is capable of being selectively switched to a first configuration in which the hardtop (3) is partly arranged so as to cover the passenger compartment (4); and a second configuration in which the hardtop (3) is partly housed within the load compartment (7); the hardtop (3) comprises: a first panel (10) arranged so as to cover, at the top, a first portion (21) of the passenger compartment (4) in the first configuration of the motor vehicle (1) and housed in the load compartment (7) in the second configuration of the motor vehicle (1); and a second panel (11) arranged so as to cover, at the top, a second portion (22) of the passenger compartment (4) both in the first configuration and in the second configuration of the motor vehicle (1); the first panel (10) is located in front of the second panel (11) and comprises a third portion (31) and a pair of fourth portions (32) opposite one another along the second axis (Y); the third portion (31) is interposed between the fourth portions (32) along the second axis (Y).

A method to control a car (1) having: a frame (2), which develops along a longitudinal direction (L) having a front-rear orientation; at least two drive wheels (4); at least one electric motor (6) connected to the two drive wheels (4); and a generation assembly (7) having an electric generator (9) and an internal combustion engine (8) provided with a drive shaft (11), which is mechanically connected only to the electric generator (9) and, therefore, is mechanically independent of the drive wheels (4). The control method comprises the steps of: determining a rotation speed (ω_W) of the rear drive wheels (4); and varying the rotation speed (ω_E) of the first internal combustion engine (8) based on the rotation speed (ω_W) of the rear drive wheels (4).

An engine assembly (10) for a motor vehicle (1) comprising an internal combustion engine (11), an intake system (12), an exhaust system (13) and a forced induction system (30) provided with a turbine (31) and with a compressor (32). The intake system (12) comprises two ducts (23b, 24b), which fluidly connect the compressor (32) to the internal combustion engine (11), and two bypass ducts (56, 58), which fluidly connect the compressor (32) to the internal combustion engine (11). The engine assembly (10) comprises two further compressors (50, 51), each located at a respective duct (23b, 24b), and an electronic control unit (60). The electronic control unit (60) is configured to receive and/or determine a quantity (ω1, ω2) associated with a rotation speed of at least one of the internal combustion engine (11) and the forced induction system (30); control that the gas flow flows through the ducts (23b, 24b) and is compressed by the further compressors (50, 51), respectively, when the quantity (ω1, ω2) complies with a control criterion; and control that the gas flow flows through the bypass ducts (56, 58), when the quantity (ω1, ω2) does not comply with the control criterion.

A road vehicle (1) with an endothermic engine (2) comprising an air intake duct (3) for introducing air into at least one combustion chamber (4); wherein there is provided in the air intake duct a device (5) for selectively generating a tumble of air in the combustion chamber; wherein the device for selectively generating a tumble consists of a single fin (6) arranged within the air intake duct; in which the fin (6) is shaped as a corresponding portion of the inner surface of the intake duct (3) and is movable between a rest position, in which it is substantially entirely in contact with the corresponding portion of the inner surface of the intake duct (3) and does not interfere with the flow of air passing through the intake duct, and a plurality of working positions in which it progressively penetrates the intake duct to convey the flow of air passing through only at a portion of the intake duct.

A car (1) having: at least one electric motor (6) connected to the two drive wheels (4); a first generation assembly (7) having a first electric generator (9) and a first internal combustion engine (8), which is mechanically connected only to the electric generator (9) and, therefore, is mechanically independent of the drive wheels (4); a second generation assembly (7) having a second electric generator (9), which is mechanically independent of the first electric generator (9), and a second internal combustion engine (8), which is mechanically connected only to the electric generator (9) and, therefore, is mechanically independent of the drive wheels (4); and two interconnection ducts (29), which establish a hydraulic communication between a first lubrication circuit (28) of the first internal combustion engine (8) and a second lubrication circuit (28) of the second internal combustion engine (8), so that part of the lubricating oil flowing in the first lubrication circuit (28) can flow to the second lubrication circuit (28) and vice versa.