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| Number | Title | Issue Date |
| 8051823 | Combined actuator with rheological control brake A combined actuator provided with: a mobile element; a driver for displacing the mobile element; and a rheological control brake, which is mechanically coupled to the mobile element to adjust the displacement of the mobile element; the rheological control brake has:... | 11/08/2011 |
| 7789372 | Butterfly valve of a swirl system for an internal combustion engine A butterfly valve of a swirl system for an internal combustion engine; the butterfly valve displays: a shaft which is rotationally mounted within an intake channel to rotate about a rotation axis; and a butterfly valve plate which is rigidly connected to the shaft a... | 09/07/2010 |
| 7789068 | Control method of a direct injection system of the common rail type provided with a high-pressure fuel pump A control method of a direct injection system of the common rail in an internal combustion engine; the control method contemplates the steps of: feeding the pressurized fuel to a common rail by means of a high-pressure pump presenting at least one pumping element me... | 09/07/2010 |
| 7789067 | Control method in the case of a fault in an internal combustion engine fitted with a servo-assisted butterfly valve Control method in the case of a fault in an internal combustion engine; the control method provides for the phases of: cyclically checking the correct functioning of a connection between an electronic control unit and an electric drive of an electric actuator couple... | 09/07/2010 |
| 7729849 | Method for detecting the angular position of a knob for the gas of a motorcycle A method for detecting the angular position of a gas knob of a motorcycle; the method presents the steps of: detecting simultaneously four mutually redundant measurements of the angular position of the gas knob by means of two mutually independent angular-position s... | 06/01/2010 |
| 7620489 | Control method for mixture ratio in a multi-cylinder internal combustion engine equipped with at least two lambda sensors placed upstream of a catalytic converter Control method for the mixture ratio in a multi-cylinder internal combustion engine, the control method providing for the following: reading a first real value of the mixture ratio via a master lambda sensor associated with a first cylinder group, reading a second r... | 11/17/2009 |
| 7387106 | Internal combustion engine throttle valve A throttle valve for an internal combustion engine, the throttle valve having: a valve seat; a throttle disk, which engages the valve seat and is rotated by an electric motor between an open position and a closed position; a gear transmission connecting the electric... | 06/17/2008 |
| 7117837 | Unit for supplying combustion air to the cylinders of an endothermic engine Unit for supplying combustion air to the cylinders of an endothermic engine is provided with a manifold having an air inlet orifice and a plurality of supply ducts. Each supply duct extends between a first opening communicating with the manifold and an outlet orific... | 10/10/2006 |
| 7092812 | Control method and device for an internal combustion engine A control method for an internal combustion engine provides for the acquisition of a signal correlated with the vibrations transmitted by at least one component of the internal combustion engine moving between two end positions; the vibrations are transmitted by the... | 08/15/2006 |
| 7086358 | Method and device for controlling the speed of the valves of an internal combustion engine A method of controlling the speed of the valves in an electro-hydraulic actuation unit for the valves of an internal combustion engine in which the pressure of the fluid in the hydraulic actuator of the valve is controlled during the final phase of closure of a valv... | 08/08/2006 |
| 7044092 | Method and device for controlling an electrohydraulic unit for actuating the valves of an endothermic engine A method for controlling an electrohydraulic unit for actuating the valves of an endothermic engine, in which the electrohydraulic unit is provided with a hydraulic actuator for opening the respective valve with a pressurized liquid, and a spring that is antagonisti... | 05/16/2006 |
| 7035729 | Method for controlling the speed of a torque-controlled internal combustion engine A method for controlling the speed of a torque-controlled internal combustion engine in which the generation of the drive torque is regulated by actuators which are controlled from a control value of the instantaneous torque and by a control value of the predicted t... | 04/25/2006 |
| 7028979 | Servo assisted butterfly valve provided with a flat leaf spring and a spiral spring to establish the limp-home position A servo-assisted butterfly valve comprising a valve body, a valve seat formed in the valve body, a butterfly disc adapted to engage the valve seat, a shaft on which the butterfly disc is keyed, an electric motor coupled to the shaft by means of at least one toothed ... | 04/18/2006 |
| 7024303 | Method for detecting misfiring in an internal combustion engine by analysing the angular acceleration of the drive shaft A method for detecting misfiring in an internal combustion engine by analysing the angular acceleration of the drive shaft, in which the value of the angular acceleration is estimated at predetermined angular positions of the drive shaft, the absolute value of the a... | 04/04/2006 |
| 7003396 | Control system with multiprocessor architecture for an internal combustion powertrain A control system with multiprocessor architecture for an internal combustion powertrain is disclosed. The control system has a computing unit capable of executing both basic control functions of the powertrain and ancillary control functions not directly related to ... | 02/21/2006 |
| 6997438 | Electronically controlled butterfly valve provided with a flat leaf spring and a spiral spring to establish the limp-home position An electronically controlled butterfly valve comprising a valve body, a valve seat formed in the valve body, a butterfly disc adapted to engage the valve seat, a shaft on which the butterfly disc is keyed, an electric motor coupled to the shaft by means of a gear tr... | 02/14/2006 |
| 6997147 | Electrohydraulic unit for actuating the valves of an endothermic engine An electrohydraulic unit for actuating the valves of an endothermic engine is provided with a hydraulic actuator for lifting a respective valve by means of a pressurized liquid and a spring antagonistic to the hydraulic actuator in order to close the valve and to di... | 02/14/2006 |
| 6925986 | Servo-assisted butterfly valve for an internal combustion engine provided with an adjustment system for the limp-home position A servo-assisted butterfly valve for an internal combustion engine comprising a valve seat, a butterfly body engaging the valve seat, a shaft on which the butterfly body is keyed, an electric actuator coupled to the shaft, an elastic member which is adapted to exert... | 08/09/2005 |
| 6913206 | Fuel injector for an internal combustion engine with hydraulic pin actuation The injector has a cylindrical body, which houses an injection nozzle regulated by an injection valve provided with a moveable pin, a fuel supply channel, an injection chamber communicating with the fuel supply channel housing a lower portion of the pin and delimite... | 07/05/2005 |
| 6886536 | Fuel injection system of the common rail type with a variable flow-rate pump Fuel injection system of the common rail type provided with a high-pressure pump, which supplies fuel to a common channel that in turn supplies a series of injectors, and with a control unit, which is capable of keeping the pressure of the fuel within the common cha... | 05/03/2005 |
| 6874993 | Method for controlling an electric pump A control method for an electric pump adapted to supply pressurised operating fluid to actuators of an automatic transmission in order to cause the opening/closing of the clutch and the selection and engagement of the gears, in which the stage of supply of a voltage... | 04/05/2005 |
| 6857513 | Dual clutch transmission unit for a motor vehicle A dual clutch transmission unit for a motor vehicle is adapted to transmit the movement to an automatic gear change provided with two ranks of gears; the transmission unit has a rotary movement input member adapted to be driven in rotation by the engine of the motor... | 02/22/2005 |
| 6847878 | Method for the performance of the gear disengagement in a servo-controlled manual gear change A method for the performance of the gear disengagement in a servo-controlled manual gear change, according to which an oscillation is generated with respect to the angular speed of a primary shaft of the gear change by abruptly opening the relative clutch and the di... | 01/25/2005 |
| 6589132 | Device for controlling a clutch for motor vehicles Device for controlling a clutch, which is connected to an actuator, which can activate the clutch itself; the control device comprises a position sensor, which can detect the position of the clutch, in order to supply a measuring position signal to a main... | 07/08/2003 |
| 6532841 | Gear selector device for automatic transmission Gear selector device of an automatic transmission in which a first lever which can be operated manually is movable between a rest position and a first operating position to control an down-shift of the gear and a second lever which can be operated manuall... | 03/18/2003 |
| 6481416 | Method for correction of the spark advance for an internal combustion engine with a continuous phase transformer at the intake and/or exhaust Method for correction of the spark advance for an internal combustion engine with a continuous phase transformer at the intake and/or exhaust; for each cylinder, the method consists of calculating a theoretical value of the optimum spark advance according... | 11/19/2002 |
| 6424903 | Vehicle clutch control device A control device for controlling a clutch of a vehicle wherein an actuator is connected to and provides for operating the clutch, the work position of which is determined by a position sensor which supplies a measured position signal to a control device r... | 07/23/2002 |
