Patent ID: 6637730
Filing Date: 2003-10-28
Classification: F02B,F02M,Y10S

Abstract:
Carburettor for an internal combustion engine showing a suction port (1) arranged in a carburettor body (1.1) which is in connection with the combustion chamber of the motor and which is fed with a liquid fuel via a nozzle (3) and a fuel channel (3.1) which is arranged in the carburettor body (1.1) and which leads to the suction port (1), the suction port (1) being possible to throttle down or close down with a throttle (4) which is movable between an open position and a closed position, characterized in that a linearly moveable valve needle (5) is arranged in the carburettor body (1.1) with its inner end being aimed for projecting into the fuel channel (3.1) mainly perpendicular to its longitudinal direction and to open and close this and with its outer end projecting out from the carburettor body (1.1), that the outer end of the valve needle (5) is in connection with a manoeuvre arm (6) which is arranged on the side of the suction port (1) and which is turnable arranged around an axis (6.1), that the other end of the manoeuvre arm (6) is in connection with a wedge formed part (4.4) arranged on one side of the throttle, the manoeuvre arm (6) being arranged to turn and open the nozzle (3) when the throttle (4) is opened and to close when the throttle (4) is closed.