Patent application number | Description | Published |
20100072020 | MULTIDISK OIL-BATH CLUTCH - An embodiment of a multidisk oil-bath clutch having: a housing mounted to rotate about a longitudinal axis of rotation; at least one hub mounted to rotate about the longitudinal axis of rotation and housed inside and coaxially with the housing; a number of drive disks housed inside the housing and angularly integral with the housing or the hub; a number of driven disks housed inside the housing, alternating with the drive disks, and angularly integral with the hub or the housing; at least one oil inlet into the housing; and at least one oil outlet from the housing. Each drive disk has a number of first circulation channels equally spaced about the longitudinal axis of rotation and extending radially from an inner edge of the drive disk to an outer edge of the drive disk; and each driven disk has a number of second circulation channels equally spaced about the longitudinal axis of rotation and extending radially from an inner edge of the driven disk to an outer edge of the driven disk. | 03-25-2010 |
20100163322 | Method of arranging an electric accumulating system close to a platform of a vehicle and hybrid propulsion vehicle - A method for arranging an accumulating device in proximity of a floor of a vehicle forming a bottom wall of a passenger compartment of the vehicle itself; the accumulating device has a heating base wall which is free from heat insulation, and a non-heating base wall which is parallel and opposite to the heating base wall and is provided with a heat-insulating material layer; and the method provides for the steps of arranging the accumulating device in a seating obtained in proximity of the floor; and implementing the accumulating device with a symmetry allowing the reversal of the accumulating device itself within the seating obtained in proximity of the floor in such a way that the heating base wall may be equally either facing upwards and then towards the passenger compartment or facing downwards and then towards the external environment. | 07-01-2010 |
20100206654 | OPTIONALLY CONNECTABLE FOUR-WHEEL DRIVE VEHICLE - An optionally connectable four-wheel drive vehicle having: an engine having a drive shaft; two main drive wheels; a main power train permanently connecting the drive shaft to the main drive wheels and, in turn, having a transmission and a main differential; two normally driven secondary drive wheels; an optionally connectable secondary power train for also connecting the drive shaft to the secondary drive wheels, a gear drive with at least two different, alternatively selectable velocity ratios, and at least one secondary clutch, which is connected on one side to the drive shaft upstream from the transmission and on the other side to the secondary drive wheels. | 08-19-2010 |
20100224431 | OPTIONALLY CONNECTABLE FOUR-WHEEL DRIVE VEHICLE - An optionally connectable four-wheel drive vehicle provided with an engine having a drive shaft, two main drive wheels, a main power train permanently connecting the drive shaft to the main drive wheels, and in turn comprising a transmission and a main differential, two normally driven secondary drive wheels, and an optionally connectable secondary power train for also connecting the drive shaft to the secondary drive wheels, and in turn presenting a gear drive, at least one secondary clutch, which is connected on one side to the drive shaft upstream from the transmission, and on the other side to the secondary drive wheels, and a unit for the reversal of the motion, which is controlled to reverse or not to reverse the direction of the motion. | 09-09-2010 |
20100243215 | COOLING SYSTEM FOR A VEHICLE WITH HYBRID PROPULSION - A cooling system for a vehicle with hybrid propulsion; the cooling system is provided with a hydraulic circuit, inside which a cooling fluid flows, and has: a main branch, which carries out the cooling of a heat engine and comprises at least a first pump mechanically operated by the heat engine, and at least one radiator which is hit by air when the vehicle is moving; and a secondary branch, which is connected in parallel to the main branch by means of a starting offtake and an arrival offtake, has no heat exchangers of the water/air type, carries out the cooling of a reversible electric machine which may be mechanically connected to the driving wheels, and of a first electronic power converter which controls the electric machine, and comprises at least a second pump electrically operated. | 09-30-2010 |
20100300391 | METHOD FOR STARTING A THERMAL ENGINE OF A HYBRID VEHICLE - A method for starting an internal combustion thermal engine of a hybrid vehicle having: the thermal engine provided with a drive shaft; at least one pair of driving wheels; a transmission, which transmits the motion from the thermal engine to the driving wheels and has a clutch; and an electric machine, which is mechanically connected to the clutch downstream of the clutch, so that the clutch is interposed between the electric machine and the thermal engine; the starting method includes the steps of: opening the clutch to separate the electric machine from the thermal engine; separating the electric machine from the driving wheels; making the electric machine rotate by operating the electric machine as a motor; and closing the clutch when the electric machine reaches a launch rotation speed. | 12-02-2010 |
20110017015 | TRANSMISSION FOR A ROAD VEHICLE WITH HYBRID PROPULSION - Transmission for a road vehicle with hybrid propulsion; the transmission comprises: a gearbox provided with one primary shaft, one secondary shaft and at least one pump actuated by an activating shaft; at least one clutch connected to the primary shaft and presenting a part which is normally conductive which can be connected to a drive shaft of a thermal engine; at least one reversible electric machine presenting a shaft mechanically connectable to the primary shaft; a first mechanical transmission which transmits motion from the normally conductive part of the clutch to the activating shaft; and a second mechanical transmission which transmits motion from the shaft of the electric machine to the activating shaft. | 01-27-2011 |
20110083916 | HYBRID VEHICLE - A vehicle with hybrid drive having: a thermal engine provided with a drive shaft and having a block which houses the drive shaft and two heads which house the cylinders and are arranged in a āVā configuration; a cooling system provided with a hydraulic circuit in which a cooling fluid flows; a reversible electric machine placed above the block of the thermal engine and between the two heads; an auxiliary device; a mechanical transmission which connects the first electric machine, the auxiliary device and the drive shaft of the thermal engine to one another; and a freewheel interposed between the first mechanical transmission and the drive shaft of the thermal engine; the hydraulic circuit of the cooling system has a main branch which cools the thermal engine, and a secondary branch which is connected as an offtake to the main branch and cools the first electric machine; the secondary branch is connected as an offtake to the main branch by an inlet pipe and by an outlet pipe, which extend downwards from a lower wall of the electric machine to corresponding openings obtained through the block of the thermal engine. | 04-14-2011 |
20110087410 | MOTOR VEHICLE WITH INSERTABLE FOUR-WHEEL DRIVE - A motor vehicle with insertable four-wheel drive, including an engine having a crankshaft, a pair of main driving wheels constantly connected to the crankshaft by interposition of a gearbox provided with a first clutch, and a pair of secondary driving wheels, which may be connected to the crankshaft by an insertable transmission system. The insertable transmission system presents a second clutch, which is connected on one end with a fixed transmission ratio to the crankshaft upstream of the gearbox and on the other end with a fixed transmission ratio to the secondary driving wheels. A percentage of motive torque to be transmitted to the secondary driving wheels by the second clutch is determined according to dynamic parameters of the motor vehicle detected by respective sensors. | 04-14-2011 |
20110221228 | VEHICLE PROVIDED WITH A DETACHABLE CONVERTIBLE ROOF - A road vehicle: provided with a coachwork; an interior compartment, delimited by a windscreen supported by a frame; and a convertible roof, which can be connected to the coachwork for closing, at the top, the interior compartment and is provided with a covering cloth comprising two side beams at respective side ends; and a supporting frame, which can be mechanically connected to the coachwork for supporting the covering cloth; each side beam is provided with: a rigid side panel, which rises in cantilever fashion from a rear end of the side beam and, in the position for closing the interior compartment, is set substantially vertical; and engagement means for connecting the covering cloth to the frame and for connecting the two side panels to a portion of the coachwork that delimits the interior compartment at the rear and at the sides. | 09-15-2011 |
20120018118 | COOLING SYSTEM FOR A VEHICLE WITH HYBRID PROPULSION - A cooling system for a vehicle with hybrid propulsion, the cooling system including a hydraulic circuit, within which a refrigerant flows, with a main branch to cool of a thermal engine, and a secondary branch to cool electrical components and at least one common radiator, which comprises a first portion, that is normally used by the main branch of the hydraulic circuit and has at least two trays arranged at the ends, and a second portion that is normally used by the secondary branch of the hydraulic circuit and has at least two trays arranged at the ends. | 01-26-2012 |
20120061991 | Vehicle provided with detachable convertible top - A vehicle provided with a coachwork; an interior compartment surrounded by the coachwork and frontally delimited by a windscreen surrounded by an āUā-shaped molding; and a detachable convertible top, which can be connected to the coachwork in order to close the interior compartment on the top and comprises, in turn, a covering cloth and a frame which is mechanically connectable to the coachwork and supports the covering cloth; the frame comprises a rear cross member, which can be coupled to a rear portion of the coachwork arranged immediately behind the interior compartment; and an arch, which is hinged to the rear cross member in order to rotate around a first axis, can be frontally coupled to the molding of the windscreen, and determines the locking of the rear cross member to the rear portion of the coachwork due to its rotation around the first axis. | 03-15-2012 |
20120298464 | MULTIDISK OIL-BATH CLUTCH - An embodiment of a multidisk oil-bath clutch having: a housing mounted to rotate; at least one hub mounted to rotate and housed inside and coaxially with the housing; a number of drive disks housed inside the housing and angularly integral with the housing or the hub; a number of driven disks housed inside the housing, alternating with the drive disks, and angularly integral with the hub or the housing; at least one oil inlet into the housing; and at least one oil outlet from the housing. Each drive disk has a number of first circulation channels extending radially from an inner edge of the drive disk; and each driven disk has a number of second circulation channels extending radially from an inner edge of the driven disk. | 11-29-2012 |
20130197763 | CONTROL METHOD AND UNIT FOR A STEERING SYSTEM - A method and unit to control a steering system for a road vehicle, which steering system adjusts the steering angle of the front wheels of the road vehicle by means of a steering wheel; in a preliminary design and optimization step, an actual transmission error is determined, caused by the mechanical structure of a transmission device of the steering wheel which mechanically connects a steering wheel to a steering rod mechanically connected to the hubs of the front wheels; the current angular position of the steering wheel is measured; and the intensity of the servoassistance force applied by a servomechanism to the steering rod is changed as a function of the current angular position of the steering wheel and as a function of the actual transmission error. | 08-01-2013 |
20130327170 | AUTOMATIC MANUAL TRANSMISSION FOR A CAR PROVIDED WITH AN INTERNAL COMBUSTION ENGINE - An automatic manual transmission for a car provided with an internal combustion engine, the automatic manual transmission having: a mechanical gearbox provided with at least one primary shaft, at least one secondary shaft, a plurality of pairs of gears and a plurality of locking devices, actuated by first actuators, a variable ratio transmission device, which is arranged upstream of the primary shaft and is adjustable to have two different transmission ratios: a first unitary direct drive transmission ratio and a second multiplying transmission ratio, and a second actuator, which is coupled to the transmission device to vary the transmission ratio of the transmission device itself. | 12-12-2013 |
20140001789 | CAR WITH AN UNDERBODY PROVIDED WITH AN AERODYNAMIC DIFFUSER | 01-02-2014 |
20140011631 | AUTOMATIC MANUAL TRANSMISSION FOR A HYBRID CAR PROVIDED WITH AN INTERNAL COMBUSTION ENGINE AND WITH AN ELECTRICAL MACHINE - Examples include an automatic manual transmission for a hybrid car provided with an internal combustion engine and an electrical machine, the automatic manual transmission presents. Examples include a mechanical gearbox, a differential gear which receives the motion from a secondary shaft of the gearbox and transmits the motion to driving wheels, a clutch which is interposed between the secondary shaft of the gearbox and the differential gear, an auxiliary shaft along which the electrical machine is mounted, a first gear train which connects a first end of the auxiliary shaft arranged upstream of the electrical machine to a primary shaft of the gearbox, and a second gear train which connects a second end of the auxiliary shaft arranged downstream of the electrical machine to an output shaft of the clutch. | 01-09-2014 |
20140124322 | NORMALLY CLOSED AUTOMOTIVE CLUTCH WITH HYDRAULIC DRIVE - A normally closed automotive clutch with hydraulic drive and having: a stack of driven and driving plates, which are mounted so as to rotate around a rotation axis; a pressure ring, which is mechanically coupled to the stack of plates and can axially slide so as to axially compress the stack of plates; at least one elastic closing element, which presses the pressure ring; a hydraulic actuator comprising an inner actuation chamber, which is suited to be filled with a fluid under pressure so as to generate an opening thrust, and a sliding piston, which is coupled to the inner actuation chamber and is mechanically connected to the pressure ring; and a box, which is provided with a lateral lid and houses the stack of plates, the pressure ring, the elastic closing element, and the hydraulic actuator. | 05-08-2014 |
20140175920 | ROTATING ELECTRICAL MACHINE FOR VEHICLES WITH LIQUID COOLING - An embodiment of a rotating electrical machine has: a shaft rotatably mounted to rotate around a central rotation axis; a rotor carried by the shaft; a stator which supports stator windings and is arranged around the rotor to enclose the rotor therein; a cylindrical casing which encloses the stator therein; and a cooling circuit which is intended for the circulation of a cooling fluid, is obtained at the casing, has a single common inlet opening for the cooling fluid axially arranged in the centre of a lateral wall of the casing, and two helicoidal paths, each of which is a mirror-image twin of the other one, centrally originates from the common inlet opening and extends from the centre of the casing towards a corresponding end of the casing. | 06-26-2014 |
20140326200 | "V" INTERNAL COMBUSTION ENGINE PROVIDED WITH BALANCING COUNTERSHAFT - An internal combustion engine having: a crankshaft; camshafts that activate intake and exhaust valves; an auxiliary shaft, which rotates in an opposite direction with respect to the crankshaft and is unbalanced so as to act as balancing countershaft; and a mechanical transmission, which receives the movement from the crankshaft and controls the timing by causing the rotation of the camshafts and, at the same time, causes the rotation of the auxiliary shaft. | 11-06-2014 |
20140328703 | INTERNAL COMBUSTION ENGINE PROVIDED WITH A COOLING PUMP THAT CAN BE MECHANICALLY DISCONNECTED - An internal combustion engine having: an engine provided with a crankshaft; a cooling system provided with a circulation pump, which comprises an impeller supported by a pump shaft that is mounted so as to rotate around a rotation axis; an auxiliary shaft, which transmits the rotation movement to the pump shaft of the circulation pump; a mechanical transmission, which transmits the rotational movement from the crankshaft to the auxiliary shaft; and a coupling device, which is interposed between the pump shaft of the circulation pump and the auxiliary shaft and is suited to mechanically connect/disconnect the pump shaft to/from the auxiliary shaft. | 11-06-2014 |