FIELD: engine devices and pumps.
SUBSTANCE: exhaust gas discharge system comprises an exhaust gas nozzle for exhaust gas restorer arranged upstream from a mixer. The mixer comprises a plurality of concentrically smaller rings (202), (206), (208), (228) interconnected with ribs (213), (214), (215). The ribs (213), (214), (215) have a width varying in the direction of flow. The ribs (213), (214), (215) are arranged annularly. The first set of ribs (213) between a first pair of adjacent rings (204) and (206) is angularly offset from a second set of ribs (214) between the second pair of adjacent rings (204) and (206). The first and second pairs of rings have one common ring. Embodiments of exhaust gas discharge system are disclosed.
EFFECT: possibility to mix the exhaust gas flow at a shorter distance.
20 cl, 17 dwg
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