About 54 results
https://drivepatents.com/patents/1086210 · 23 Jun 2004
The cylinder equalizing process involves a first step, in throttled operation, of correcting the amount of fuel injected for each cylinder individually. Individual adaptation values are worked out for each cylinder assuming that the same amount of air is b...
https://drivepatents.com/patents/1087582 · 28 Apr 2004
The method involves opening the choke flap at least once during the process of stopping the engine. The choke flap is closed at least once during the process of stopping the engine. A revolution rate signal and/or an induction system pressure signal can be...
https://drivepatents.com/patents/1087795 · 21 Apr 2004
The method monitors the mass flow along a mass flow line (5) of an IC engine (10), e.g. an exhaust gas feed back line, controlled by a setting element (1), by measuring the temperature at the latter and by calculating a second value for the temperature at ...
https://drivepatents.com/patents/1089814 · 4 Feb 2004
A system 12 and method for predicting cylinder air charge in an internal combustion engine 10 for a future cylinder event is disclosed in which the pressure in an intake manifold 22 is calculated and an estimated position for a throttle plate 38 of the eng...
https://drivepatents.com/patents/1090603 · 2 Jan 2004
The system has a pressure sensor and a throttle valve angle sensor and may control the lift of the inlet valve. A mass flow rate may be derived from a function or graph (11) related to the throttle valve opening. The output passes to a multiplier (12) whic...
https://drivepatents.com/patents/1091406 · 3 Dec 2003
The method involves interrupting exhaust gas recirculation (9) during rundown of an internal combustion engine (10), and replacing exhaust gases in engine cylinders (3) with fresh air during a rundown of the engine. A throttle valve placed in an intake of ...
https://drivepatents.com/patents/1093366 · 10 Sep 2003
The invention is constructed such that an air amount and a circulated exhaust gas amount are controlled in accordance with a fuel supply when an internal combustion amount are controlled in accordance with a fuel supply when an internal combustion engine (...
https://drivepatents.com/patents/1096552 · 23 Apr 2003
A process for operating a multicylinder combustion engine ascertains the operating state of each cylinder (2) and regulates the control elements (10) and inlet valves (7) in the inlet channel (6) and air flow according to the ascertained condition. An Inde...
https://drivepatents.com/patents/1098274 · 19 Feb 2003
On operating the ignition key (1), the throttle valve (5) for air supply to the combustion chambers is closed. It is re-opened shortly before opening the fuel injector (4). An Independent claim is included for an automatic control system to carry out the o...
https://drivepatents.com/patents/1099265 · 2 Jan 2003
The control method involves at least partly compensating for the anticipated loss of power in a first operating mode resulting from an excess of air in the second group of cylinders of the internal combustion engine by applying a controlled increase in the...