| Patent Number |
Title Of Patent |
Date Issued |
| 7603923 |
Hydraulic servo for a gear change |
October 20, 2009 |
| Described herein is a hydraulic servo for a gear change provided with a control shaft; the servo has: a frame; a first hydraulic actuator, which is carried by the frame and has two first chambers, which are alternatively filled with a pressurized fluid for displacing the control shaf |
| 7575419 |
Fuel pump for an internal combustion engine |
August 18, 2009 |
| A fuel pump for an internal-combustion engine; the fuel pump is provided with: a variable-volume chamber for containing fuel; an intake valve connected to the variable-volume chamber; a delivery valve connected to the variable-volume chamber; and a pumping device for varying the volume |
| 7552710 |
Variable geometry intake manifold for an internal combustion engine |
June 30, 2009 |
| A variable geometry intake manifold for an internal combustion engine; the intake manifold presents: at least one intake pipe which connects the intake manifold to at least one cylinder of the internal combustion engine; and a choking system to vary the geometry of the intake manifold |
| 7546961 |
Fuel injector with electromagnetic actuator |
June 16, 2009 |
| A fuel injector equipped with an injection valve comprising a mobile plunger ending with a sealing head; a support body having a tubular shape and comprising a feed channel; and a sealing body, in which is defined a valve seat of the injection valve; the sealing head is of a frustoconica |
| 7533660 |
Method for recognizing a fuel type in a diesel engine |
May 19, 2009 |
| A method for recognizing the fuel type in a diesel engine; the method envisages determining a stoichiometric air/fuel ratio of the last type of fuel used; determining a quantity of fresh air fed to a number of cylinders of the engine; determining a quantity of fuel injected in the cy |
| 7528346 |
Internal combustion engine provided with a heating device in a combustion chamber and a control |
May 5, 2009 |
| An internal combustion engine comprising at least one cylinder provided with at least one glow plug adapted to heat a variable volume combustion chamber within the cylinder, and an electronic control unit which in turn comprises an estimation module adapted to estimate the temperature of |
| 7521251 |
Method for estimating the sulfur content in the fuel of an internal combustion engine |
April 21, 2009 |
| A method for estimating the sulfur content in the fuel of an internal combustion engine equipped with a catalyser capable of storing a quantity of sulfur and NO.sub.x groups. The method provides use of a current sulfur concentration value (S.sub.old) and a correction of the current s |
| 7520209 |
Servo for a gear change |
April 21, 2009 |
| Described herein is a servo for a gear change provided with a control shaft; the servo has: a first actuator, which displaces the control shaft axially along a central axis thereof and is directly coupled to the control shaft; and a second actuator, which renders a cam engaged by a p |
| 7514264 |
Method for estimating the sulfur content in the fuel of an internal combustion engine |
April 7, 2009 |
| A method for estimating the sulfur content in the fuel of an internal combustion engine equipped with a catalyser, using a current sulfur concentration value (S.sub.old) and a correction of said current sulfur concentration value (S.sub.old) in order to obtain a new sulfur concentrat |
| 7509803 |
Method and device for controlling the speed of rotation of a turbosupercharger in an internal-co |
March 31, 2009 |
| Device for controlling the speed of a turbosupercharger in an internal-combustion engine comprising: a compressor, a turbine, a wastegate valve; the control device comprising: a calculating unit, which receives at input a set of parameters comprising a pre-set limit speed of rotation |
| 7506827 |
Fuel injector with an antirebound device |
March 24, 2009 |
| A fuel injector (1) having an injection valve (7) with a movable pin (15); and an actuator (5) for moving the pin (15) between a closed position and an open position; the actuator (5) has a movable armature (10), and an antirebound device (20) interposed between the movable armature (10) |
| 7455043 |
Variable-geometry intake manifold for an internal-combustion engine |
November 25, 2008 |
| Described herein is a variable-geometry intake manifold for an internal-combustion engine; the intake manifold is provided with: at least one intake pipe, which connects the intake manifold to at least one cylinder of the internal-combustion engine; a partialization device for varyin |
| 7438054 |
Fuel injector for a direct injection internal combustion engine |
October 21, 2008 |
| A fuel injector comprising: an injection valve provided with a mobile needle to regulate the fuel flow; an actuator adapted to shift the needle; an injection nozzle; a supporting body having a tubular shape and displaying a feeding channel; a sealing body provided with a valve seat o |
| 7422165 |
Fuel injector with electromagnetic actuation of the plunger |
September 9, 2008 |
| A fuel injector provided with an injection jet, an injection valve, the latter having a mobile plunger for regulating the flow of fuel through the injection jet, and an electromagnetic actuator, which is capable of displacing the plunger between a closed position and an open position of |
| 7395811 |
Choke device for an internal combustion engine intake system |
July 8, 2008 |
| A choke device for an intake system of an internal combustion engine; the choke device has at least one choke body fitted movably inside an intake conduit, and an actuating device for moving the choke body to and from a work position in which the choke body reduces the cross section of t |
| 7370621 |
Intake manifold with air vessel for an internal combustion engine |
May 13, 2008 |
| An intake manifold for an internal combustion engine having a number of cylinders; for each cylinder, the intake manifold has a respective intake pipe connecting the intake manifold to the cylinder and regulated by an intake valve; and the intake manifold also has an air vessel having, f |
| 7347175 |
Method for managing the "stop-and-start" mode in a motor vehicle equipped with an internal combu |
March 25, 2008 |
| A method for managing the "stop-and-start" mode in a motor vehicle equipped with an internal combustion engine; the method provides for the "stop-and-start" mode to be enabled or disabled as a function of a state of charge (SOC) of a battery of the motor vehicle, as a function of a s |
| 7320305 |
Regulating device for regulating the air intake of a vehicle internal combustion engine |
January 22, 2008 |
| A regulating device for regulating the air intake of an internal combustion engine, and comprising at least one throttled body having at least one air feed conduit connectable to the engine, and a first and second throttle housed in said at least one feed conduit to regulate air inta |
| 7275557 |
Method for the production of an electronically controlled butterfly valve with an inductive sens |
October 2, 2007 |
| A method for the production of a butterfly valve which comprises a valve body housing a valve seat engaged by a butterfly disc keyed on a shaft in order to rotate under the action of an electric motor, the shaft being coupled to an inductive position sensor of the "contact-free" type |
| 7267991 |
Method for estimating the sulfur content in the fuel of an internal combustion engine |
September 11, 2007 |
| A method for estimating the sulfur content in the fuel of an internal combustion engine equipped with a catalyser; the percentage of sulfur present in the fuel supplied during a specific measurement time interval is estimated by dividing the quantity of sulfur stored in the catalyser |
| 7249585 |
Swirl system intake manifold for an internal combustion engine |
July 31, 2007 |
| An intake manifold with a swirl system for an internal combustion engine having a number of cylinders; the intake manifold has, for each cylinder, an intake conduit connecting the intake manifold to the cylinder and in turn having two parallel channels; the swirl system has, for each int |
| 7213575 |
Fuel manifold in thixotropic aluminum for the direct injection of fuel into an internal combusti |
May 8, 2007 |
| A fuel manifold for the direct injection of fuel into an internal combustion engine comprising a head provided with a number of cylinders, a number of injectors, each of which is connected to the fuel manifold and is adapted directly to inject the fuel into a respective cylinder, and |
| 7204434 |
Fuel injector |
April 17, 2007 |
| A fuel injector has an injection valve having a movable pin terminating with a shutter head; a tubular supporting body having a feed channel; and a sealing body, in which a valve seat of the injection valve is defined; the shutter head is truncated-cone-shaped, is located outside the sea |
| 7198034 |
Method and system for the direct injection of fuel into an internal combustion engine |
April 3, 2007 |
| A method and system for the direct injection of fuel into an internal combustion engine, according to which a high-pressure pump with a variable flow rate supplies the fuel to a common rail, which in turn supplies the fuel to a series of injectors; the flow rate of the high-pressure |
| 7191963 |
Fuel injector with hydraulic pin actuation |
March 20, 2007 |
| The injector has a cylindrical body, which houses an injection nozzle regulated by an injection valve provided with a moveable pin, a fuel supply line, an injection chamber communicating with the supply line, housing a lower portion of the pin and delimited below by a valve seat of t |
| 7140556 |
Fuel injector with injection valve provided with side feed |
November 28, 2006 |
| A fuel injector provided with an injection valve comprising a mobile plunger; an injection jet having a plurality of first through-holes made starting from a chamber arranged downstream from the injection valve; a supporting body having a tubular shape and comprising a supply channel; |
| 7124741 |
Method for controlling an injector with verification that plunger movement has occurred |
October 24, 2006 |
| A method for controlling an injector with verification that plunger movement has occurred; the method providing application of a time-variable voltage to the terminals of an injector drive circuit in order to cause a current wave to flow through said drive circuit; detection of a ver |
| 7089909 |
Choke valve provided with an integrated electromagnetic actuator for an intake manifold with a r |
August 15, 2006 |
| A choke valve for an intake manifold with a retracting tumble system for an engine provided with a number of cylinders, the choke valve being adapted to vary the passage section of the air through an intake duct which connects each cylinder with the intake manifold and is regulated by |
| 7069920 |
Air supply unit for an internal combustion engine |
July 4, 2006 |
| An air supply unit for an internal combustion engine; the air supply unit is provided a number of butterfly valves and a distributor device, the latter being provided, for each butterfly valve, with a distribution duct capable of placing an internal duct of said butterfly valve in co |
| 7063073 |
Method for the direct injection of fuel into an internal combustion engine |
June 20, 2006 |
| A method for the direct injection of fuel into an internal combustion engine, wherein a high-pressure pump with a variable flow rate supplies the fuel to a common rail, which in turn supplies the fuel to a series of injectors; the flow rate of the high-pressure pump is controlled by |
| 7006913 |
Method for finding the angular acceleration of a drive shaft of an internal combustion engine by |
February 28, 2006 |
| Method for finding the angular acceleration of a drive shaft of an internal combustion engine by means of a gear wheel integral with said drive shaft; the method making provision to identify, in each complete revolution of the drive shaft, a number of angular measurement lines, to me |
| 6981489 |
Method for controlling a fuel injector according to a control law which is differentiated as a f |
January 3, 2006 |
| A method for controlling a fuel injector provided with an electrically operated electomagnetic actuator in such a manner as to open the injector for a determined injection time; the method providing that the injector be operated with a first current waveform if the injection time is |
| 6974122 |
Gates for throttle valves |
December 13, 2005 |
| Gate for throttle valves composed of a central supporting portion constituted by a thermoplastic material and an edge portion constituted by a thermoplastic elastomeric material belonging to the same chemical family as the thermoplastic material; the gate is produced by means of a co |
| 6944021 |
Ventilation system for electrical wiring arrangements of electrical circuits |
September 13, 2005 |
| A ventilation system is described for electrical wiring arrangements of electrical circuits comprising a plurality of electrical connection terminals arranged within an insulating element; the ventilation system comprising a plurality of electrical ventilation cables connected to the |
| 6932284 |
Electromagnetic fuel injector for an internal combustion engine with a monolithic tubular member |
August 23, 2005 |
| An electromagnetic fuel injector for an internal combustion engine, comprising a main body having a central cylindrical cavity adapted to act as a duct for the fuel, a valve which is disposed to close an end of the central cylindrical cavity and is provided with a moving shutter, an |
| 6920029 |
Control method for an electromagnetic actuator for the control of a valve of an engine from an a |
July 19, 2005 |
| A control method for an electromagnetic actuator for the control of a valve of an engine from an abutment condition, in which an actuator body actuating the valve and disposed to move between two electromagnets is maintained in abutment against a first excited electromagnet and against |
| 6886800 |
Production method for the rotor component of a position sensor of a butterfly valve for an inter |
May 3, 2005 |
| A production method for a butterfly valve which comprises a valve seat engaged by a butterfly body keyed on a shaft in order to rotate under the action of an electric actuator coupled to this shaft by means of a geared transmission which ends in a final gear keyed on this shaft, the shaf |
| 6845963 |
Butterfly valve for an internal combustion engine with dissipation of electrostatic charges and |
January 25, 2005 |
| A butterfly valve for an internal combustion engine; a valve body houses a valve seat engaged by a butterfly body keyed on a shaft in order to rotate between an open position and a closed position under the action of an electric actuator coupled to the shaft by means of a cascade of gear |
| 6834812 |
Fuel injector with piezoelectric actuator |
December 28, 2004 |
| Fuel injector provided with a piezoelectric actuator, a valve activated by the piezoelectric actuator and regulating a fuel supply that flows in a working direction, and a mechanical transmission placed between the piezoelectric actuator and the valve; an expansion of the piezoelectric |
| 6817546 |
Valve body for a fuel injector |
November 16, 2004 |
| Valve body for a fuel injector; the valve body is provided with a cylindrical tubular container which has a central cylindrical cavity, a valve seat which is disposed at a lower end of the tubular container, a pin which can engage the valve seat and is accommodated in a sliding manne |
| 6814313 |
Fuel injector for an internal combustion engine with multihole atomizer |
November 9, 2004 |
| Fuel injector having a valve body, which is provided with a valve operated by an electromagnetic actuator and capable of controlling the flow of fuel, and with a cylindrical, tubular container closed by a sealing element; the sealing element is arranged so as to close a lower end of the |
| 6798636 |
Method of estimating the effect of the parasitic currents in an electromagnetic actuator for the |
September 28, 2004 |
| A method of estimating the effect of the parasitic currents in an electromagnetic actuator for the control of an engine valve, the parasitic currents being modelled by means of an equivalent parasitic current which circulates in an equivalent turn which is short-circuited and magneticall |
| 6782872 |
Flow divider device for air manifolds adapted to generate turbulent flows in combustion chambers |
August 31, 2004 |
| A device for air/fuel manifolds adapted to generate turbulent flows in combustion chambers. The device comprises a plurality of runners each of which internally comprises a longitudinal baffle adapted to form two channels each having a respective flow of air/fuel mixture to the combu |
| 6772963 |
Fuel injector with a piezoelectric actuator housed in an insulated chamber |
August 10, 2004 |
| A fuel injector having a piezoelectric actuator, which activates a shutter to move the shutter in a work direction between a closed position and an open position; the piezoelectric actuator is housed inside a casing having an inner chamber insulated from the fuel, and an outer surface we |
| 6772795 |
Pipes made of polymeric material |
August 10, 2004 |
| A pipe constituted by an inner wall produced with a first high-performance thermoplastic polymeric material having a distortion temperature under load in accordance with standard HDT-A ISO75 of at least 275.degree. C. and an outer wall produced from a second thermoplastic material belong |
| 6739999 |
Fluid recovery system for an automatic transmission unit |
May 25, 2004 |
| A fluid recovery system for an automatic transmission unit of a vehicle, provided with a tank containing a fluid, a hydraulic circuit receiving this fluid from the tank, an electrovalve unit supplied by the hydraulic circuit and adapted to control actuator units in order to actuate the |
| 6728624 |
Method for estimating the filling of a cylinder in an internal combustion engine |
April 27, 2004 |
| Method for estimating the filling of a cylinder in an internal combustion engine provided with cam stroke variation system. A theoretical induction efficiency which the cylinder would have if it operated with an optimal induction/exhaust timing value is estimated; said theoretical induct |
| 6718942 |
Method for estimation of the quantity of fresh air present in the intake and exhaust manifolds o |
April 13, 2004 |
| Method for estimation of the quantity of fresh air present in the intake and exhaust manifolds of an internal combustion engine with a recirculation circuit, by an observer, applied to a system of the third order, which models the physical system constituted by the intake and exhaust |
| 6688264 |
Method of piloting electromagnetic actuators for the control of a plurality of valves of an engi |
February 10, 2004 |
| Method for piloting electromagnetic actuators for the control of the valves of an engine; each electromagnetic actuator is provided with at least one respective electromagnet, which is piloted by a common piloting device by means of the supply of an electric current wave which has two, i |
| 6683775 |
Control method for an electromagnetic actuator for the control of an engine valve |
January 27, 2004 |
| A control method for an electromagnetic actuator for the control of an engine valve in which at least one electromagnet displaces an actuator body under the action of the force of magnetic attraction generated by the electromagnet, the electrical supply of the electromagnet being control |
