A tailpipe cover is provided for an exhaust system of a motor vehicle, including a cover pipe having a pipe axis, which can be fitted onto a tailpipe of the exhaust system, a plurality of fastening elements arranged on a radial inner side of the cover pipe for fixing the tailpipe cover to the tailpipe in a radial and axial direction, and a positioning element arranged on a radial inner side of the cover pipe for positioning the tailpipe cover in a circumferential direction relative to the tailpipe.

A tailpipe cover is provided for an exhaust system of a motor vehicle, including a cover pipe having a pipe axis, which can be fitted onto a tailpipe of the exhaust system, a plurality of fastening elements arranged on a radial inner side of the cover pipe for fixing the tailpipe cover to the tailpipe in a radial and axial direction, and a positioning element arranged on a radial inner side of the cover pipe for positioning the tailpipe cover in a circumferential direction relative to the tailpipe.

The present disclosure provides a muffler with a simple structure and a low cost. The muffler is formed by an exhaust pipe. The exhaust pipe has an extension direction and a radial direction, an exhaust gas is discharged through the exhaust pipe. At least a partial region of an interior of the exhaust pipe is divided into a muffling chamber and an exhaust passage portion by a partition plate arranged along the extension direction. A cross-sectional area of the exhaust passage portion is larger than that of the muffling chamber. At a downstream end portion of the muffling chamber in a flow direction of the exhaust gas, a peripheral wall of the exhaust pipe on the muffler chamber side is engaged with the partition plate, thereby closing a downstream opening of the muffling chamber in the flow direction of the exhaust gas.

The present disclosure provides a muffler with a simple structure and a low cost. The muffler is formed by an exhaust pipe. The exhaust pipe has an extension direction and a radial direction, an exhaust gas is discharged through the exhaust pipe. At least a partial region of an interior of the exhaust pipe is divided into a muffling chamber and an exhaust passage portion by a partition plate arranged along the extension direction. A cross-sectional area of the exhaust passage portion is larger than that of the muffling chamber. At a downstream end portion of the muffling chamber in a flow direction of the exhaust gas, a peripheral wall of the exhaust pipe on the muffler chamber side is engaged with the partition plate, thereby closing a downstream opening of the muffling chamber in the flow direction of the exhaust gas.

An exhaust assembly that includes an exhaust pipe extending rearward from a vehicle; and a bezel in close proximity with, or coupled to, a vehicle fascia, the bezel comprising rearmost surfaces and inner surfaces. The exhaust assembly further includes a sleeve substantially aligned with the pipe, tangentially aligned with the inner surfaces. The sleeve extends rearward, flush with, sub-flush with, or past an exhaust plane tangent to the rearmost surfaces of the bezel.

An exhaust assembly that includes an exhaust pipe extending rearward from a vehicle; and a bezel in close proximity with, or coupled to, a vehicle fascia, the bezel comprising rearmost surfaces and inner surfaces. The exhaust assembly further includes a sleeve substantially aligned with the pipe, tangentially aligned with the inner surfaces. The sleeve extends rearward, flush with, sub-flush with, or past an exhaust plane tangent to the rearmost surfaces of the bezel.

A device for use in a truck for lowering the temperature of exhaust gas of a combustion engine has a diffuser 1, which is provided with a cylindrical housing 3 provided with an inlet opening 5 in an end wall 7 and an elongated axially extending outlet opening 9 in the cylinder wall. The device furthermore has a bent guide plate 25 which extends from the outlet opening 9, so that, as a result of the Coanda effect, the hot exhaust gas is diverted along the plate and the jet widens, so that a better mixing with the ambient air, and hence greater cooling, takes place.

A device for use in a truck for lowering the temperature of exhaust gas of a combustion engine has a diffuser 1, which is provided with a cylindrical housing 3 provided with an inlet opening 5 in an end wall 7 and an elongated axially extending outlet opening 9 in the cylinder wall. The device furthermore has a bent guide plate 25 which extends from the outlet opening 9, so that, as a result of the Coanda effect, the hot exhaust gas is diverted along the plate and the jet widens, so that a better mixing with the ambient air, and hence greater cooling, takes place.

A tailpipe cover is provided for an exhaust system of a motor vehicle, including a cover pipe having a pipe axis, which can be fitted onto a tailpipe of the exhaust system, a plurality of fastening elements arranged on a radial inner side of the cover pipe for fixing the tailpipe cover to the tailpipe in a radial and axial direction, and a positioning element arranged on a radial inner side of the cover pipe for positioning the tailpipe cover in a circumferential direction relative to the tailpipe.

A method of designing an exhaust assembly that includes the steps: developing an initial exhaust assembly design; evaluating the initial design based on a design guide; developing an interim exhaust assembly design, or a plurality of interim exhaust assembly designs, based on the initial design and a parametric model; evaluating the interim design or designs using a computational fluid dynamics model; and developing a final exhaust assembly design based on the parametric and the fluid dynamics models.