About 23 results
https://drivepatents.com/patents/979567 · 15 Jan 2014
A method of controlling fuel injection in an internal combustion engine is presented. For each injector event a drive signal is applied to the fuel injector, wherein said drive signal has a pulse width, which is calculated on the basis of a master performa...
https://drivepatents.com/patents/981737 · 20 Nov 2013
The invention is about a vehicle air conditioning system wherein an air stream can flow axially along a stream direction (Z). The system has a filter held in a compartment (14) in a substantially transversal plan. The filter compartment (14) has an inlet o...
https://drivepatents.com/patents/983213 · 16 Oct 2013
A method of controlling fuel injection in an internal combustion engine is presented. A drive signal is generated for each injection event, with which the injector is kept open to spray fuel in accordance with a requested fuel quantity. The drive signal ha...
https://drivepatents.com/patents/983201 · 16 Oct 2013
An ignition system and method of multicharge ignition are presented. The system comprisies an ignition coil (16) having primary (18) and secondary (20) windings and a control unit (30) configured to operate charging and discharging phases of the ignition c...
https://drivepatents.com/patents/986638 · 18 Sep 2013
An ignition system for an internal combustion engine comprises an ignition transformer with two primary windings (L P1 , L P2 ). The ignition system is designed to generate, for a given ignition event, a unipolar current (I SEC ) through the secondary wind...
https://drivepatents.com/patents/986893 · 11 Sep 2013
Fuel injector (10) for direct injection in an internal combustion engine, the fuel injector (10) being designed to be inserted into a mounting bore (14) of a cylinder head (12) which opens into a combustion chamber (16), said fuel injector (10) having an i...
https://drivepatents.com/patents/988296 · 24 Jul 2013
A method of controlling an internal combustion engine with an exhaust system comprising a catalytic converter is presented, wherein the engine is operable in a heat-up mode promoting the heating rate of said catalytic converter. In the heat-up mode the hea...
https://drivepatents.com/patents/985080 · 17 Apr 2013
A spark plug (10) for a high frequency ignition system comprises a centre electrode (24) having a front end with a firing tip (28); a tubular insulator member (20) having a front end (26) and an axial bore (22) accommodating the centre electrode (24), the ...
https://drivepatents.com/patents/985165 · 3 Apr 2013
The invention concerns a method of determining the velocity of a pintle assembly in a solenoid fuel injector during a closing stroke of the pintle assembly, wherein a braking step is performed during the closing stroke, which comprises operating an injecto...
https://drivepatents.com/patents/994613 · 26 Dec 2012
The method involves adjusting a first air/fuel mass ratio for differentiating fuel injection to each purge while a second air/fuel mass ratio is constant such that purging of nitrogen oxide traps (38, 40) converges in few iterations to obtain a complete an...