About 97 results
https://drivepatents.com/patents/1006086 · 18 Jan 2012
Method for controlling the fuel supply in a cylinder of a four-stroke internal combustion engine (1) with controlled ignition; the control method comprises the steps of: determining, prior to the exhaust phase, a first forecast (P PR-1 ) of the suction pre...
https://drivepatents.com/patents/1007369 · 7 Dec 2011
A method for determining the rotation speed of at least one supercharger which compresses the sucked air in an internal combustion engine (1); the control method, during the normal operation of the internal combustion engine (1), comprises the steps of det...
https://drivepatents.com/patents/1007367 · 7 Dec 2011
A method for determining the rotation speed of at least one supercharger (14) in an internal combustion engine (1); the method includes detecting, by means of a microphone (25), the intensity of a sound signal generated by the rotation of the supercharger ...
https://drivepatents.com/patents/1007687 · 23 Nov 2011
Throttle valve (1) for an internal combustion engine; the throttle valve(1) having: a supply conduit (2); and a shutter (3), which engages the supply conduit (2) and rotates about an axis of rotation (4) between a closed position and a fully open position ...
https://drivepatents.com/patents/1007689 · 23 Nov 2011
A fuel pump (4) for a direct injection system provided with a common rail (3); the fuel pump (4) has: at least one pumping chamber (14) defined in a main body (12); a piston (15) which is mounted sliding inside the pumping chamber (14); a suction channel (...
https://drivepatents.com/patents/1008733 · 12 Oct 2011
Method for determining the closing time (t 3 ) of an electromagnetic fuel injector (4); the method contemplates the steps of: applying at a starting time (t 1 ) of the injection a positive voltage (v) to the coil (16) of the electromagnetic actuator (14) i...
https://drivepatents.com/patents/1008736 · 12 Oct 2011
A mixing device (23) for a low pressure EGR system (21) of an internal combustion engine; the mixing device (23) has: a first intake conduit (25) which can be connected to an EGR conduit (22); a second intake conduit (26) which can be connected to a suctio...
https://drivepatents.com/patents/1008734 · 12 Oct 2011
Method of controlling an electromagnetic fuel injector (4); the method contemplates the steps of: determining a target quantity (Q INJ-OBJ ) of fuel to inject; determining a hydraulic supply time (T HYD ) as a function of the target quantity (Q INJ-OBJ ) o...
https://drivepatents.com/patents/1009841 · 24 Aug 2011
A management unit (1) and method for managing electric energy stored in a battery (2) composed of a number of series-connected cells (3), the management unit (1) having: a main equalizing circuit (4), which forms the primary of an electric transformer (5) ...
https://drivepatents.com/patents/1010344 · 10 Aug 2011
A method for controlling an electrical actuator (25) of a vehicle by means of a PWM type control; the method displays the steps of determining an objective mean current (I m_obj ) to be fed to the electrical actuator (25) during a control period (T k ); de...