| Patent Number |
Title Of Patent |
Date Issued |
| 7624569 |
Engine system including multipe engines and method of operating same |
December 1, 2009 |
| Engines that include different combustion strategies for different cylinders may create a power imbalance resulting in undesirable engine vibrations. The engine system of the present disclosure includes a first engine that is operable to produce a high NOx concentration exhaust and a |
| 7607291 |
Engine system arrangement with on-board ammonia production and exhaust after treatment system |
October 27, 2009 |
| An engine system includes first and second combustion chamber groups that supply exhaust to respective first and second exhaust passages. NOx in the exhaust of the first combustion group is converted to ammonia, such as by enriching the exhaust with fuel and then passing the mixture over |
| 7552583 |
Exhaust purification with on-board ammonia production |
June 30, 2009 |
| A power source is provided for use with selective catalytic reduction systems for exhaust-gas purification. The power source includes a first cylinder group with a first air-intake passage and a first exhaust passage, and a second cylinder group with a second air-intake passage and a |
| 7490466 |
Exhaust gas recirculation and selective catalytic reduction system |
February 17, 2009 |
| A power source is provided for use with an exhaust gas recirculation and selective catalytic reduction system. The power source has a main air-intake passage fluidly connected to a first air-intake passage and a second air-intake passage. A first cylinder group may be fluidly connect |
| 7371353 |
Exhaust purification with on-board ammonia production |
May 13, 2008 |
| A system of ammonia production for a selective catalytic reduction system is provided. The system includes producing an exhaust gas stream within a cylinder group, wherein the first exhaust gas stream includes NOx. The exhaust gas stream may be supplied to an exhaust passage and cooled t |
