About 51 results
https://drivepatents.com/patents/1076828 · 15 Jun 2005
This invention relates to regeneration of a filter (41) which traps particulate matter contained in the exhaust gas of a diesel engine (1) for a vehicle. A programmable controller (31) performs filter regeneration appropriately in accordance with the runni...
https://drivepatents.com/patents/1077306 · 1 Jun 2005
The method involves periodically regenerating a particle filter (7) by eliminating polluting substances from the filter, using four electrically driven injectors (9-12). The moment of regeneration is chosen based on prior operating conditions of a vehicle,...
https://drivepatents.com/patents/1079073 · 23 Mar 2005
A regeneration control device, which regenerates a filter (13) for trapping particulate matter in exhaust gas from an engine (1), is disclosed. The filter (13) supports a catalyst which oxidizes unburnt components in the exhaust gas. The regeneration contr...
https://drivepatents.com/patents/1079072 · 23 Mar 2005
A diesel engine (1) comprises an exhaust passage (3), and a DPM filter (4) provided on the exhaust passage (3), which traps diesel particulate matter (DPM) contained in the exhaust gas such that the diesel particulate matter accumulates therein. An engine ...
https://drivepatents.com/patents/1079119 · 23 Mar 2005
A filter differential pressure, which is the difference between the inlet pressure and the outlet pressure of a DPM filter (11), is determined, and switching is performed in accordance with the regeneration condition of the DPM filter (11) between a first ...
https://drivepatents.com/patents/1082508 · 10 Nov 2004
The procedure consists of first establishing a relationship between the permeability of the exhaust filter medium (10) and the load of particles contained in it and storing this relationship in an accessible memory while the particle load is determined. Va...
https://drivepatents.com/patents/1083194 · 13 Oct 2004
An engine exhaust gas purification device is disclosed. The purification device has a filter (13) which traps particulate matter contained in the exhaust gas from an engine; a differential pressure detection sensor (16) which detects a differential pressur...
https://drivepatents.com/patents/1084122 · 8 Sep 2004
A regeneration device for a filter (13) which traps particulate matter in an exhaust gas of an engine (1) is disclosed. A sensor (25) detects an engine running point. A controller (22) determines whether or not the detected engine running point is in a low...
https://drivepatents.com/patents/1084621 · 25 Aug 2004
An exhaust gas purifying system for an automotive internal combustion engine (1). The exhaust gas purifying system comprises a particulate filter (13) disposed in an exhaust gas passageway (12) of the engine to collect particulate in exhaust gas flowing th...
https://drivepatents.com/patents/1086632 · 9 Jun 2004
A filter (41) traps particulate matter contained in the exhaust gas of an engine (1). The filter (41) is regenerated by burning the trapped particulate matter by raising the temperature of the filter (41). When regeneration conditions are satisfied, a cont...