Patent ID: 7024852

Claim:
A multi-purpose valve ( 10 ) for supplying secondary air to an exhaust system of an internal combustion engine, said valve including a valve orifice ( 14 ) disposed between an air connection ( 12 ) and an outlet ( 19 ) to the exhaust system, a power-actuated closing member ( 15 ) controlling the valve orifice ( 14 ) and a non-return valve ( 20 ) arranged downstream of the closing member ( 15 ) in the direction of flow of the air, and baffling devices ( 24 , 26 , 27 ) arranged between the non-return valve ( 20 ) and the outlet ( 19 ) so as to deflect an exhaust gas flow from the outlet ( 19 ) into the valve at least once through at least 90°, said baffling devices ( 24 , 26 , 27 ) including a baffle plate ( 24 ) which is arranged transversely to a valve orifice ( 23 ) and which separates a pre-chamber ( 35 ) facing the non-return valve ( 20 ) from a deflection chamber ( 26 ) connected to the outlet ( 19 ), a passage orifice ( 30 ) being arranged, radially offset in relation to the valve orifice ( 23 ) of the non-return valve ( 20 ), in the baffle plate ( 24 ).