About 54 results
https://drivepatents.com/patents/1081593 · 15 Dec 2004
Unit (1) for supplying combustion air to the cylinders of an endothermic engine is provided with a manifold (2) having an air inlet orifice (4) and a plurality of supply ducts (3); each supply duct (3) extends between a first opening (5) communicating with...
https://drivepatents.com/patents/1082686 · 3 Nov 2004
A control system (19) with multiprocessor architecture for an internal combustion powertrain (1); the control system (19) has a computing unit (20) capable of executing both basic control functions of the powertrain (1) and ancillary control functions not ...
https://drivepatents.com/patents/1082796 · 3 Nov 2004
A device for driving an injector (2) in an internal combustion engine (3) in which a current wave (Iinj) which is variable over time, which comprises an initial section (T1, T2, T3) substantially of a pulse type and having a relatively high current intensi...
https://drivepatents.com/patents/1083235 · 13 Oct 2004
A method for controlling the speed of a torque-controlled internal combustion engine (1) in which the generation of the drive torque (C) is regulated by actuators (10, 13) which are controlled from a control value (Cist) of the instantaneous torque and by ...
https://drivepatents.com/patents/1083422 · 6 Oct 2004
A fuel manifold (11) for the direct injection of fuel into an internal combustion engine (1) comprising a head (2) provided with a number of cylinders (3), a number of injectors (12), each of which is connected to the fuel manifold (11) and is adapted dire...
https://drivepatents.com/patents/1083808 · 22 Sep 2004
A method for estimating the degradation of the trapping capacity (C) of a NOx-Trap catalytic converter (11), in accordance with which, if the actual duration of a first NOx regeneration process is equal to the predetermined duration, it is assumed that the...
https://drivepatents.com/patents/1085343 · 28 Jul 2004
A servo-assisted butterfly valve (1) for an internal combustion engine comprising a valve seat (4), a butterfly body (5) engaging the valve seat (4), a shaft (6) on which the butterfly body (5) is keyed, an electric actuator (3) coupled to the shaft (6), a...
https://drivepatents.com/patents/1086386 · 16 Jun 2004
An electromagnetic fuel injector (1) for an internal combustion engine, comprising a main body (4) having a central cylindrical cavity (5) adapted to act as a duct for the fuel, a valve (6) which is disposed to close an end of the central cylindrical cavit...
https://drivepatents.com/patents/1088895 · 17 Mar 2004
A production method for a butterfly valve (1) which comprises a valve seat (4) engaged by a butterfly body (5) keyed on a shaft (6) in order to rotate under the action of an electric actuator (3) coupled to this shaft (6) by means of a geared transmission ...
https://drivepatents.com/patents/1089894 · 4 Feb 2004
Fuel injection system (1) of the common rail type provided with a high-pressure pump (4), which supplies fuel to a common channel (3) that in turn supplies a series of injectors (2), and with a control unit (7), which is capable of keeping the pressure of ...