Abstract: A mixer, an exhaust aftertreatment component, an exhaust aftertreatment system and a vehicle in which the mixer comprises: an inlet cover, providing an inlet space; an outlet cover, providing an outlet space; and a connecting pipe part, comprising a gas inlet inside the inlet space, a gas outlet inside the outlet space, and an injection inlet; wherein the connecting pipe part comprises a conical section and a pipe section connected downstream to the conical section, the conical section is located inside the inlet space, a side wall of the conical section comprises a plurality of openings distributed along a circumferential direction, the gas inlet comprises the plurality of openings, and a swirling structure is provided on the plurality of openings.

Abstract: A mixer, an exhaust aftertreatment component, an exhaust aftertreatment system and a vehicle in which the mixer comprises: an inlet cover, providing an inlet space; an outlet cover, providing an outlet space; and a connecting pipe part, comprising a gas inlet inside the inlet space, a gas outlet inside the outlet space, and an injection inlet; wherein the connecting pipe part comprises a conical section and a pipe section connected downstream to the conical section, the conical section is located inside the inlet space, a side wall of the conical section comprises a plurality of openings distributed along a circumferential direction, the gas inlet comprises the plurality of openings, and a swirling structure is provided on the plurality of openings.

Abstract: A vehicle exhaust system includes an upstream exhaust component comprising at least a first catalyst having a first outer dimension, a downstream exhaust component comprising at least a second catalyst having a second outer dimension, and a mixer that connects the upstream and downstream exhaust components. The mixer comprises a first portion associated with an outlet from the first catalyst and a second portion associated with an inlet to the second catalyst. The first portion includes a swirl component having a first length and the second portion includes an additional component having a second length. A connection interface between the first and second portions allows the upstream and downstream exhaust components to be arranged in different positions relative to each other. A combined length of the first and second lengths is adjusted relative to the first and second outer dimensions to achieve a desired position of the upstream and downstream exhaust components relative to each other.

Abstract: An exhaust component assembly includes a first exhaust component extending along a first axis, a second exhaust component extending along a second axis, and a mixer having a mixer inlet portion connected to an outlet from the first exhaust component and a mixer outlet portion connected to an inlet to the second exhaust component. A flexible connection couples the mixer inlet portion to the mixer outlet portion.