Slow running fuel control for IC engine - has an adjustable needle valve and mixing chamber for fuel and air

摘要

The slow running fuel control is mounted onto an auxiliary slow running carburettor which has a slow running air supply line and fuel supply line. The mixing chamber (5) adjoins the regulating needle valve (11) which is next to the mixing chamber (10). The air is supplied through the central passage (13) in the needle valve. The valve connects with the output channel (8). The valve is regulated by the fine screw thread (17) which acts against a spring (24).