Patent ID: 9744922
Date: 2017-08-29
CPC Classifications: B60R,B60Y,F01N,F02B

Claim:
1. A heat shield for shielding hot areas of a combustion engine comprising at least one metal sheet layer with a first and a second surface, with the at least one metal sheet layer comprising at least one passage opening for the passage of a fastening element, and a sleeve, which passes through the passage opening, wherein a decoupling element from flexible material is arranged between a circumferential edge of the passage opening and the sleeve, where the decoupling element and the sleeve each comprise; where the first collar of the sleeve radially extends over the first collar of the decoupling element, where the sleeve in a shank area in the region of the passage opening shows a constant wall thickness and a transition area between the shank area in the region of the passage opening and the first collar at least in sections shows a radial wall thickness that is radially outwardly increased relative to the area at the passage opening, so that the transition area between the shank area in the region of the passage opening and the first collar at least in sections extends rounded or inclined; wherein the transition area between the shank area and the first collar of the sleeve on at least 90% of a circumferential extension shows a distance to the metal sheet layer, which is larger than the material thickness of the shank area of the sleeve in the area of the passage opening.