About 199 results
https://drivepatents.com/patents/986128 · 20 Feb 2013
The present invention relates to an exhaust gas purification device with which a low temperature characteristic of an exhaust gas post-processing device can be improved, a NOx reduction and purification rate can be increased, and smoke generation can be ef...
https://drivepatents.com/patents/986081 · 20 Feb 2013
Deterioration of engine fuel economy is prevented by suppressing increase in engine back pressure caused by attachment of an exhaust sensor. An exhaust sensor (10) for measuring exhaust gas components includes a cylindrical sensor body (11) arranged outsid...
https://drivepatents.com/patents/993867 · 16 Jan 2013
The present invention provides a DPF failure detection method and a DPF failure detection device, which can be realized with a simple configuration and detect a failure at low cost. The theoretical deposited amount of PM on a DPF 4 is calculated from the o...
https://drivepatents.com/patents/995554 · 5 Dec 2012
Provided are an exhaust purification device for a diesel engine and an exhaust purification method that utilizes the exhaust purification device enabling effective utilization of exhaust gas heat and allowing reduction in the size of the device, by virtue ...
https://drivepatents.com/patents/995556 · 5 Dec 2012
Provided are an exhaust purification device for a diesel engine, and an exhaust purification method that utilizes this exhaust purification device enabling effective utilization of exhaust gas heat and allowing reduction in the size of the device, by virtu...
https://drivepatents.com/patents/1015390 · 2 Mar 2011
Increase in combustion noise and deterioration of exhaust gas performance caused by inter-cylinder correction are prevented, and decrease in temperature rise performance of a diesel particulate removal device caused by inter-cylinder correction is prevente...
https://drivepatents.com/patents/1015790 · 16 Feb 2011
Disclosed is an exhaust gas purification method, and also disclosed is an exhaust gas purification system (1). The exhaust gas purification system (1) comprises, in order from the upstream side of an exhaust passage (11) of an internal combustion engine (1...
https://drivepatents.com/patents/1016112 · 2 Feb 2011
The present invention provides a waste heat recovering device capable of recovering waste heat with good efficiency from various heat sources in an internal combustion engine. The waste heat recovering device for driving an expander 14 by evaporating a wor...
https://drivepatents.com/patents/1069052 · 22 Mar 2006
An exhaust gas cleaning method capable of maintaining an optimum NOx purification ratio in the continuously regenerative range of DPF in an exhaust gas cleaning system (1) having an NOx purification function and a PM purification function combined with eac...
https://drivepatents.com/patents/1069861 · 22 Feb 2006
A parking device for vehicles in which when an engine is brought into a halt, a clutch is disconnected and the revolution of an input shaft of a transmission cannot be controlled by frictional force of the engine, the parking device comprising a parking ge...