Patent ID: 7040305

Claim:
A method for exhaust gas recycling in a combustion engine, wherein the engine has an intake channel for exhaust gasses and an intake for air and the engine has a venturi positioned for modifying flow of intake air to reduce pressure as caused by the modified air flow, the venturi having a wall; the method comprising: feeding exhaust gas recycling gasses from the engine into the venturi together with intake air; and adjusting at least a portion of the wall of the venturi for adjusting the cross section of the venturi to obtain a selected adjustment to intake air to adjust for selected operating conditions; wherein the wall of the venturi is supported in the engine for pivoting for the adjusting; and the method comprises adjusting the cross section of the venturi by pivoting the adjustable portion of the wall; wherein the venturi also has a fixed wall and the exhaust gas recycling gasses are led into the venturi through a channel opening in the fixed wall of the venturi.