About 147 results
https://drivepatents.com/patents/1068170 · 19 Apr 2006
Based on conventional control considering a smoke concentration, a basic fuel injection quantity Q B or a fuel injection quantity Q smoke according to smoke concentration regulation, whichever is smaller, is taken as an injection quantity Q 0 . Basically, ...
https://drivepatents.com/patents/1068783 · 29 Mar 2006
The engine has an intake line supplying fresh air, and an exhaust-gas line discharging exhaust gas. Each of two exhaust-gas turbochargers (6, 7) has a turbine and a compressor arranged in the exhaust-gas and intake lines, respectively. An exhaust-gas after...
https://drivepatents.com/patents/1068866 · 29 Mar 2006
A first catalyst 9 is arranged in an exhaust pipe 6, a second catalyst 10 is arranged a space apart from the first catalyst 9 in the exhaust pipe 6 downstreamof the first catalyst 9, secondary air induction pipe 11 for introducing secondary air is connecte...
https://drivepatents.com/patents/1069407 · 8 Mar 2006
Injecting a liquid into the exhaust system of a four-stroke internal combustion engine comprises injecting the liquid through a nozzle at regular intervals corresponding to a crank angle of 720[deg] for each cylinder. An independent claim is also included ...
https://drivepatents.com/patents/1070609 · 25 Jan 2006
An internal combustion engine control device for, in a lean-burn internal combustion engine provided with a three-way catalyst and a lean NOx catalyst in an exhaust system, optimizing an air/fuel ratio in a rich mode from the viewpoints of both better fuel...
https://drivepatents.com/patents/1070512 · 25 Jan 2006
The sequential charging control is applied to an engine (1) with more than one cylinder (2.1, 2.2, 2.3, 2.4, 2.5, 2.6), of which at least one can be switched off or on during the operation of the engine, and the exhaust gas of which passes through manifold...
https://drivepatents.com/patents/1070700 · 18 Jan 2006
A control system for an internal combustion engine, which is capable of optimally controlling fuel injection by an injector even in a transient state of the engine. An ECU 2 of the engine provided with an EGR system (14) controls the amount (Fa) of air dra...
https://drivepatents.com/patents/1073480 · 5 Oct 2005
Estimated values of an amount of accumulated particulate matter on a particulate filter (4) are obtained before initiation of a forceful regeneration operation of the particulate filter (4). A maximum operating time period of the regeneration operation is ...
https://drivepatents.com/patents/1074543 · 31 Aug 2005
A particulate filter (14) traps particulate matter in the exhaust gas of an internal combustion engine (1). The filter (14) is regenerated by burning the trapped particulate matter in a high temperature atmosphere. A first sensor (17) detects the oxygen co...
https://drivepatents.com/patents/1075347 · 3 Aug 2005
A particulate filter (12) integrally carrying an oxidation catalyst is arranged in an exhaust pipe (9) through which exhaust gas from a diesel engine flows (1). A NOx-absorption reduction catalyst (11) is arranged in the exhaust pipe (9) and downstream of ...