Patent ID: 8925529
Filing Date: 2015-01-06
Classification: F02M,Y02T

Abstract:
1. A device for mixing exhaust gas to be returned to a combustion engine with fresh air, the device comprising: a substantially elongate air inlet channel provided at one end with an air inlet opening for fresh air and at an opposite end with a mixture outlet opening for a mixture of air and exhaust gas; a part of a wall of the air inlet channel is provided with a plurality of mixing openings for supply of exhaust gas; a substantially elongate exhaust gas recirculation channel flowingly connected to the plurality of mixing openings and provided at one end with an exhaust gas inlet opening for exhaust gas; wherein over a part of its length the exhaust gas recirculation channel is in lengthwise contact with the air inlet channel, over which part of its length the exhaust gas recirculation channel is separated from the air inlet channel by the part of the wall provided with the plurality of mixing openings, which mixing openings in a common length direction of the air inlet and exhaust gas recirculation channels are behind each other; and wherein the air inlet opening and the exhaust gas inlet opening are so arranged that, in use, returned exhaust gas in the exhaust gas recirculation channel flows in a direction opposite to a flow of fresh air in the air inlet channel.