Mixer arrangement for mixing an injection medium with the exhaust gas of an internal combustion engine

A mixer arrangement for mixing an injection medium with exhaust gas of an internal combustion engine, comprising:

• an exhaust gas guide section, in an interior of which the exhaust gas of the internal combustion engine is guidable;
• an injector, which is attached to an outside of the exhaust gas guide section alternatively in a first and a second installation position;
• an injection opening in the exhaust gas guide section, the injection opening extending along an injection axis and the injection medium is injectable from the injector into the interior of the exhaust gas guide section through the injection opening;
• and
• a first recess that is formed on the outside of the exhaust gas guide section, the first recess is arranged in overlap with the injector in the first installation position in a direction parallel to the injection axis and the injector being spaced from the outside of the exhaust gas guide section in this direction forming a gap between the outside of the exhaust gas guide section and the injector,
• the first recess being delimited in an axial direction by a bottom surface and being surrounded in a radial direction, at least partially, by an intermediate shoulder,
• the exhaust gas guide section further including bearing surfaces at axial ends of internally threaded sockets, the bearing surfaces being spaced in the axial direction from the bottom surface,
• wherein the injector is mountable to threaded holes of a first threaded hole pattern of a flange of the exhaust gas guide section in the first installation position, and the injector is mountable to threaded holes of a second threaded hole pattern of the flange in the second installation position, and
• wherein a second recess is formed on the outside of the exhaust gas guide section, the second recess being arranged in overlap with the injector in a direction parallel to the injection axis in the second installation position and the injector being spaced from the outside of the exhaust gas guide section in this direction.

A mixer arrangement for mixing an injection medium with exhaust gas of an internal combustion engine, comprising:

• an exhaust gas guide section, in an interior of which the exhaust gas of the internal combustion engine is guidable;
• an injector, which is attached to an outside of the exhaust gas guide section alternatively in a first and a second installation position;
• an injection opening in the exhaust gas guide section, the injection opening extending along an injection axis and the injection medium is injectable from the injector into the interior of the exhaust gas guide section through the injection opening;
• and
• a first recess that is formed on the outside of the exhaust gas guide section, the first recess is arranged in overlap with the injector in the first installation position in a direction parallel to the injection axis and the injector being spaced from the outside of the exhaust gas guide section in this direction forming a gap between the outside of the exhaust gas guide section and the injector,
• the exhaust gas guide section further including at least two bearing surfaces each at an axial end of a respective internally threaded socket, the first recess being between the at least two bearing surfaces,
• wherein the injector is mountable to threaded holes of a first threaded hole pattern of a flange of the exhaust gas guide section in the first installation position, and the injector is mountable to threaded holes of a second threaded hole pattern of the flange in the second installation position, and
• wherein a second recess is formed on the outside of the exhaust gas guide section, the second recess being arranged in overlap with the injector in a direction parallel to the injection axis in the second installation position and the injector being spaced from the outside of the exhaust gas guide section in this direction.