Auxiliary fuel feed for IC-engine carburettor - has fuel passage with duct controlled by valve to supply throttle venturi

摘要

The control increases the quantity of fuel passed to a carburettor for liquid petrol. It has a value (7) which has an auxiliary fuel passage (6) and is connected to a fuel flow regulator (2). The valve has a rotary gate which turns to increase or decrease the opening section of the auxiliary passage in proportion with the throttle butterfly valve. The fuel valve can have a cylindrical bar with a groove and is actuated to be open above a predetermined opening of the throttle butterfly.