Patent · US Expired

Cylinder head exhaust gas passage

US6390051B1 · kind B1 · utility

5Cited by

8References

3Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Ulrich Hilpert · Wernau, DE
Manfred Meyer · Friedrichsdorf, DE

Key dates

Filing date	Apr 9, 2001
Grant date	May 21, 2002
Priority date	—
Expiry date	Apr 9, 2021

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02F1/4264
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

In a cylinder head of an internal combustion engine with a cylinder head casting having at least one exhaust passage formed from thin-walled material, which together with the cylinder head casting forms an annular space filled with molding sand, the exhaust passage being supported in the cylinder head casting by sheet-like mounting flanges, a venting duct is provided which extends from the annular space to the outside for discharging gases released from the molding sand in the annular space during casting of the cylinder head.

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