About 147 results
https://drivepatents.com/patents/1014062 · 6 Apr 2011
The engine has an exhaust gas return line, an exhaust gas return cooler and an exhaust gas return valve that are arranged in an exhaust gas return system. A plane (E) runs laterally adjacent to a longitudinal side of the engine, and is defined by an axis (...
https://drivepatents.com/patents/1015882 · 9 Feb 2011
An electrically heated element (52) within the exhaust system of a diesel engine raises the exhaust temperature sufficiently at idle or similar low exhaust flow/low exhaust temperature conditions to the point where the DOC (44) is activated to bum fuel. As...
https://drivepatents.com/patents/1015988 · 2 Feb 2011
The method involves arranging a throttle device (8) in an exhaust gas partial flow (6''), and arranging another throttle device (7) in a main-exhaust gas flow (6'). The throttle devices are controlled by a controlling and/or regulating device based on refe...
https://drivepatents.com/patents/1016474 · 19 Jan 2011
Provided is an engine capable of activating a catalyst in an exhaust purifying apparatus during low-temperature ignition. The engine (101) comprises a main engine body provided with a plurality of cylinders (6a-6f), an exhaust purifying apparatus comprisin...
https://drivepatents.com/patents/1066596 · 7 Jun 2006
The engine has cylinder groups downstream to high pressure turbines (15, 16) of high pressure stages of an exhaust gas turbocharger. The turbines (15, 16) are downstream to a low pressure turbine (21) of the turbocharger. The high pressure stages are assig...
https://drivepatents.com/patents/1067012 · 31 May 2006
The operating process is for a lean-burn internal combustion engine (1) with a first cylinder group (2a) having a first exhaust gas line (3a) with an exhaust gas supercharger (7); and a second cylinder group (2b) with a second exhaust gas line (3b). During...
https://drivepatents.com/patents/1066986 · 31 May 2006
An exhaust system for a lean-burn internal combustion engine comprises a first exhaust pipe connected to a first group of cylinders and fitted with a first emission control unit (4) and a second exhaust pipe connected to a second group of cylinders and fit...
https://drivepatents.com/patents/1067549 · 10 May 2006
A mechanical apparatus including a combustion engine, a conduit for transporting an exhaust stream away from the engine, a first catalytic NOx storage and conversion region disposed along the conduit, and a second catalytic NOx storage and conversion regio...
https://drivepatents.com/patents/1067966 · 26 Apr 2006
The system has temperature sensors (36, 37) mounted on an exhaust line (20) between a catalyst device (22) and a particle filter (23). An electronic control unit (24) determines an internal temperature of the device during regeneration phases using signals...
https://drivepatents.com/patents/1068110 · 26 Apr 2006
The invention relates to a direct-injection engine (1) incorporating a turbocharger (31, 32), fuel combustion is improved to enhance fuel economy within the high-load range of engine torque, and furthermore to control occurrence of smoke in the range of gr...