Exhaust gas system

US7971431B2 · kind B2 · utility

Assignee

• Friedrich Boysen GmbH & Co. KG · DE

Inventors

• Rainer Diez · Nagold, DE
• Marcus Ramusch · Altensteig, DE
• Ramazan Sahan · Pfalzgrafenweiler, DE
• Werner Verdoorn · Ludwigsburg, DE

Key dates

• Filing date: May 21, 2008
• Grant date: Jul 5, 2011
• Expiry date: Mar 1, 2030

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02B75/22
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

An exhaust gas system for an internal combustion engine, in particular a motor vehicle engine, is provided having, in one form, two cylinder banks arranged at an acute angle to one anther and each having at least one exhaust gas outlet, a so-called V-engine, having exhaust gas guide elements arranged in the region of the inner angle, including a housing surrounding the exhaust gas outlets of both cylinder banks in a gas tight manner and having at least one exhaust gas outlet opening is characterized in that the housing is made in two parts, with a first part which is connected to the one cylinder bank and surrounds its exhaust gas outlets and with a second part which is connected to the other cylinder bank and surrounds its exhaust gas outlets; in that the two parts each have a side facing the other part and having at least one housing opening via which the two parts communicate with one another; and in that an expansion compensation element is arranged between the two parts and surrounds the housing opening of the two parts in a gas tight manner.