About 86 results
https://drivepatents.com/patents/1083441 · 6 Oct 2004
The optimization method has a standard value (IPTD) for the ignition energy during normal operation corrected for each instant starting of the IC engine, via a correction value (IPTDCOR) provided by a correction function in terms of the temperature and/or ...
https://drivepatents.com/patents/1086408 · 16 Jun 2004
For a particular common ramp injector a first chart (802) measures the actual release of heat (DQmes) and a second chart (804) identifies the theoretical release of heat (DQpre) for a model injector. After comparison (806) of the averages the difference is...
https://drivepatents.com/patents/1087345 · 6 May 2004
An interface (1) receives a signal from at least one pressure sensor mounted in at least one combustion chamber of an engine. The interface (2) receives signals from an electronic fuel injection control unit. A calculation block (5) estimates the amounts o...
https://drivepatents.com/patents/1088816 · 24 Mar 2004
Method for controlling an internal combustion engine, comprising the steps of: obtaining a combustion state in which a specific engine condition is obtained or obtainable, respectively, storing a couple of combustion rate values and a crank angle in that c...
https://drivepatents.com/patents/1088639 · 24 Mar 2004
The diesel engine fuel injection timing is controlled in response to combustion noise measurement (8) for each cylinder. The noise detected is analyzed (6) and a controller (7) modifies the quantity of fuel injected into the cylinders to optimize the noise...
https://drivepatents.com/patents/1091602 · 26 Nov 2003
The regulation method detects the combustion chamber pressure within an engine cylinder (2) in dependence on the crank angle of the crankshaft (4) controlling the movement of the reciprocating piston (3), with derivation of a corresponding engine torque, c...
https://drivepatents.com/patents/1092699 · 8 Oct 2003
Fuel injection valves that actually start fuel injection with a delay from the start of fuel injection control, a sensor whose output value changes in accordance with an amount of fuel injected from the fuel injection valves, and minimum drive period calcu...
https://drivepatents.com/patents/1093025 · 24 Sep 2003
Method for estimation of the pumping torque of a fuel injected external combustion engine controlled by an electronic calculator based on the variation in cylinder volume and the differential pressure between the manifold (Pcol) and the exhaust gas (Pex). ...
https://drivepatents.com/patents/1093803 · 27 Aug 2003
An object of the present invention is to provide a pressure sensor unit which is formed separately from a spark plug, and in which an extra space does not have to be secured in the peripheral portion of a pressure sensing element, while a space for attachi...
https://drivepatents.com/patents/1100546 · 6 Nov 2002
A misfire deciding method for an internal combustion engine, which can be executed conveniently at low cost by using a gasket type pressure sensor and which can decide a misfire highly accurately and reproducibly. The internal pressure of an internal combu...