About 86 results
https://drivepatents.com/patents/1070316 · 1 Feb 2006
The invention relates to a method for calibrating the gain of a cylinder pressure sensor (10) of an internal combustion engine (12). The sensor gain S is identified during the compression stroke of the cylinder (14) to which the sensor (10) is applied. Thu...
https://drivepatents.com/patents/1071633 · 21 Dec 2005
The invention relates to a soft-computing method for establishing the dissipation law of the heat in a diesel Common Rail engine, in particular for establishing the dissipation mean speed (HRR) of the heat. The method provides the following steps: choosing...
https://drivepatents.com/patents/1071611 · 21 Dec 2005
The system has an acquisition unit (40) for acquiring value of pressure in a cylinder of a diesel engine for predetermined crankshaft angles. An estimation unit (48) for estimating an average and maximum gas pressure in an exhaust manifold according to the...
https://drivepatents.com/patents/1071618 · 21 Dec 2005
Described herein is a closed-loop electronic control system (1) for controlling combustion in a diesel engine operating with highly premixed combustion (PCCI), in which an injection system (14) is designed to obtain at least two injections of fuel per engi...
https://drivepatents.com/patents/1072634 · 9 Nov 2005
The invention relates to a method to balance the cylinders of a combustion engine with cylinder-individual sensors (3), wherein these sensors (3) are balanced themselves by adjusting their gains or offsets. The sensors (3) are balanced by balancing the eng...
https://drivepatents.com/patents/1072639 · 9 Nov 2005
A fuel injection system includes an injector (3), a controller (5), and a cylinder internal pressure sensor (26). The injector (3) injects fuel to an engine (1). The controller (5) controls injection start timing (T) of the injector (3), an injection amoun...
https://drivepatents.com/patents/1075326 · 3 Aug 2005
The process involves identifying operating conditions of a set of cylinders, a chain for acquisition of pressure in the cylinder and a chain for acquisition of crankshaft angle from a nominal operating condition. A predetermined set of dysfunctions and dri...
https://drivepatents.com/patents/1077218 · 8 Jun 2005
Cylinders of a diesel engine 1 are provided with cylinder pressure sensors 29a to 29d for detecting combustion chamber pressures. An electronic control unit (ECU) 20 of the engine selects optimum combustion parameters in accordance with a fuel injection mo...
https://drivepatents.com/patents/1078948 · 30 Mar 2005
A combustion pressure data collection system for a multi-cylinder engine. The cylinder pressure sensors directly detect a combustion pressure of respect cylinders, the charge amplifier unit (10) converts a charge signal into a voltage signal and has an aut...
https://drivepatents.com/patents/1080762 · 12 Jan 2005
The system has a pressure gradient detecting unit (32) to find pressure gradients in a cylinder during principal and control injection phases. A control quantity detecting unit (34) detects quantity of fuel injected in the cylinder to optimize criteria of ...