About 33 results
https://drivepatents.com/patents/1005284 · 15 Feb 2012
In an EGR system which performs the recirculation of an exhaust gas by using a high pressure EGR passage and a low pressure EGR passage in combination, an EGR control system capable of detecting a ratio between a high pressure EGR gas and a low pressure EG...
https://drivepatents.com/patents/1005959 · 25 Jan 2012
An exhaust gas purification system is provided with an exhaust gas purification device (19) for trapping particulate matter, and a control system that performs a regeneration control process to the exhaust gas purification device (19), wherein in cases whe...
https://drivepatents.com/patents/1013096 · 11 May 2011
An object is to provide a diesel engine (2) that eliminates discomfort when an operator of a working machine coupled to the diesel engine (2) is at work while a particulate filter (10) is being regenerated. A diesel engine (2) includes an exhaust emission ...
https://drivepatents.com/patents/1016380 · 19 Jan 2011
In a server (10), a standard setting section (11) establishes a standard amount of deposits and a standard amount of money of a maintenance charge in advance; a first calculating section (12) calculates the maintenance charge by multiplying the standard am...
https://drivepatents.com/patents/1066415 · 14 Jun 2006
An exhaust gas purifying system for an internal combustion engine (1) comprises an oxidation catalyst (14) having an oxidizing ability, provided in an exhaust passage of an internal combustion engine, a filter (18) that can trap particulate matter containe...
https://drivepatents.com/patents/1067179 · 24 May 2006
An exhaust purification system for an internal combustion engine comprises a storage and reducing type NOx catalyst (12) provided at an exhaust passage, an SOx absorbent (9) provided at an upstream side of the NOx catalyst (12), a reducing agent feeding me...
https://drivepatents.com/patents/1069576 · 1 Mar 2006
An exhaust gas purification apparatus for purifying exhaust gas emitted from an engine supplied fuel from a fuel tank, includes a gas filter (14), disposed in an exhaust system (12) connected to the engine, for trapping particulates included in exhaust gas...
https://drivepatents.com/patents/1069855 · 22 Feb 2006
An exhaust gas purifying system causes less torque fluctuation and is capable of preventing the occurrence of white smoke in a regeneration control operation for regenerating a continuous regeneration DPF 3. When the continuous regeneration DPF 3 with an o...
https://drivepatents.com/patents/1071873 · 14 Dec 2005
A soot accumulation amount estimation method for an exhaust gas purification filter according to the present invention includes: a first step of burning soot collected in pores of the exhaust gas purification filter (22) to regenerate the filter (22); a se...
https://drivepatents.com/patents/1073335 · 12 Oct 2005
An exhaust gas throttle valve disposed in the exhaust system of an engine, wherein the center axis of rotation of a valve shaft (5) is set at a position deviated from the center axis of the exhaust gas passage, and two recessed portions (11) are symmetrica...