About 17 results
https://drivepatents.com/patents/1396710 · 6 May 2026
Die Erfindung betrifft ein Verfahren zum Betreiben einer Brennkraftmaschine, insbesondere eines Kraftfahrzeugs, bei dem Kraftstoff in einer Einrichtung zur Kraftstoffeinspritzung in einer Mehrzahl von zeitlich voneinander beabstandeten Teileinspritzungen p...
https://drivepatents.com/patents/995947 · 21 Nov 2012
The present invention has an object to provide a catalyst temperature control device that can properly control a temperature of a catalyst which influences an emission performance of an internal combustion engine. A plurality of temperature measurement poi...
https://drivepatents.com/patents/1003009 · 25 Apr 2012
The method involves regulating quantities of injected fuel from a predetermined temperature threshold in particle filter (9) based on temperature and a rate of oxygen in exhaust gas in inlet of the filter. The rate of oxygen is limited below the determined...
https://drivepatents.com/patents/1066961 · 31 May 2006
An exhaust gas emission control device of an internal combustion engine, comprises: DPF (17) provided in an exhaust passage (11) of the diesel engine (1) ; a throttle valve (25) for regulating the volume of intake air into the diesel engine (1) ; temperatu...
https://drivepatents.com/patents/1071542 · 28 Dec 2005
Operating a diesel engine comprises after-injecting fuel temporarily offset from a main injection in a special operation mode so that the injected fuel is combusted with the fuel already dosed and ignited. Preferred Features: A control unit adjusts the inj...
https://drivepatents.com/patents/1078397 · 20 Apr 2005
An engine control device (20) is configured to cause an engine to operate at the optimum combustion mode according to the load when warming up of an emissions purification catalyst is required, and to obtain reduced HC discharged from the engine and accele...
https://drivepatents.com/patents/1079281 · 16 Mar 2005
The invention relates to an HC absorption combustion catalyst (11) that is provided in the exhaust pipe (10) of an internal combustion engine (9) and shifts from an HC absorption phase to an HC purification phase through an HC release phase as a temperatur...
https://drivepatents.com/patents/1083955 · 15 Sep 2004
The engine piston (1) is flat. The first portion of fuel injection amounts to 70-90% of the entire fuel quantity : An independent claim is included for the corresponding engine.
https://drivepatents.com/patents/1087802 · 21 Apr 2004
Control of a lean-runnable vehicular internal combustion engine (10) with a downstream catalyst (14, 16) is such that lean running at air/fuel ratio (lambda) above 1 is effected within an allowed lean temperature range (Tm) for at least one of the catalysi...
https://drivepatents.com/patents/1090004 · 28 Jan 2004
Exhausted particulate trapping means 12 is disposed in an exhaust passage of the engine, for trapping exhausted particulate in exhaust gas. Regenerating means is provided for burning out the particulate trapped in the exhausted particulate trapping means 1...