Patent · US Active

Cylinder head with connected exhaust manifold of an internal combustion engine

US11105295B2 · kind B2 · utility

0Cited by

6References

13Claims

0Family size

Assignee

MAN Truck &Bus AG · DE

Inventors

Johannes Hollweck · Sulzbach-Rosenberg, DE
Ulrich Boehme · Nuremberg, DE
Tobias Böttcher · Bremen, DE

Key dates

Filing date	Oct 18, 2017
Grant date	Aug 31, 2021
Priority date	—
Expiry date	Oct 18, 2037

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02F11/002
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A cylinder head with connected exhaust manifold of an internal combustion engine the cylinder head has an exhaust duct ending at a cylinder head connecting face to which the exhaust manifold is connected. A flange bushing insert having a bushing part and an end-side flange, is inserted into an exhaust gas duct of the cylinder head. The bushing part has a radially protruding, circumferential bead as a spacer and sealing element that bears against the exhaust duct inner wall. The flange projects at the end of the flange bushing insert and is clamped between the cylinder head connecting face and the exhaust manifold connecting face such that a circumferential insulating gap.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.