Exhaust manifold

US8166754B2 · kind B2 · utility

Assignee

• Daimler AG · DE

Inventors

• Gerolf Frantzheld · Esslingen am Neckar, DE
• Jürgen Orlich · Herrenberg, DE
• Andreas Ruess · Stuttgart, DE

Key dates

• Filing date: Dec 19, 2008
• Grant date: May 1, 2012
• Expiry date: Feb 22, 2031

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F02M26/42
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

In an exhaust manifold for an internal combustion engine including a central part with tow exhaust gas flow ducts extending from the central part in opposite directions for collecting exhaust gas from first and respectively second cylinder groups of the engine, the center part includes a first control valve for controlling the exhaust gas flow from the first and the second cylinder groups to first and second turbine inlet flow passages, a second control valve for controlling the exhaust gas pressure and a third control valve for controlling the exhaust gas recirculation rate.