About 51 results
https://drivepatents.com/patents/1102624 · 7 Aug 2002
A filter (1) collects particulates in an exhaust gas passage (22). The pressure loss of the filter (1) and the exhaust gas flow rate of the engine are detected, and an oil ash deposition amount on the filter is estimated. A filter regeneration determinatio...
https://drivepatents.com/patents/1104671 · 8 May 2002
Calculator (18) collects engine data such as differential temperature and actual temperatures (20,21,22,23) at the catalyser and particle filter and exhaust gas oxygen content (24). The data are used to control the timing and amount of multiple fuel inject...
https://drivepatents.com/patents/1104670 · 8 May 2002
An engine data collection and analyzing unit (18) determines the phasing and quantity of multiple fuel injections to be made for particle filter regeneration and also the current motoring mode. A history of motoring modes is kept (19) and the probability t...
https://drivepatents.com/patents/1104822 · 2 May 2002
Method and system for controlling the periodic regeneration at limited temperature of a particulate filter (7) placed at the exhaust (2) of a thermal engine (1), diesel type for example, by combustion of the particles retained in the filter. The method ess...
https://drivepatents.com/patents/1105188 · 17 Apr 2002
Imminent blocking of an exhaust filter (3) due to particle accretion is detected by a differential pressure sensor (4) and reported to a calculator (5) which controls the engine (1) and ancillaries. During an engine slowing down period energy consuming dev...
https://drivepatents.com/patents/1105322 · 10 Apr 2002
The method is carried out so that the actual travel condition e.g. traffic jam, city traffic, motor way, based on different criteria such as: Engine management variables, drive management variables, vehicle management variables, is logically linked with na...
https://drivepatents.com/patents/1106759 · 6 Feb 2002
A calculator (18) receives data from a differential pressure sensor (20) at a catalyser and particle filter, temperature sensors also at the catalyser and filter (21,22,23) and an exhaust gas oxygen content sensor (24). The data is used to control the supp...
https://drivepatents.com/patents/1107054 · 23 Jan 2002
For the injection of fuel into an internal combustion motor (12), and especially a diesel motor, a set volume of fuel is injected into the cylinder during the regeneration phase of the exhaust gas (G) processing system (16) and during the motor brake phase...
https://drivepatents.com/patents/1108046 · 5 Dec 2001
The filter (7) regeneration is obtained by multiple injections of fuel to the engine (1) cylinders during slowing of the engine. The controller (17) delivers a pilot injection 40 degrees before top dead-center (TDC) and 10 after TDC, then delivers a main i...
https://drivepatents.com/patents/1111383 · 25 Jul 2001
The regeneration circuit for a motor vehicle exhaust gas filter has a control circuit (17) for the engine management system, to trigger a filter regeneration phase and to trigger a fuel injection phase for the multiple engine injectors. The control circuit...