STARTER OF FLOAT TYPE CARBURETTER FOR PORTABLE WORK ENGINE

摘要

PURPOSE:To ensure simple starting by providing an injection tube of a starting fuel pressure-sending pump provided under the oil surface of fuel to face to a hole at the lower end of a fuel nozzle for facilitating to increase the fuel at the time of starting. CONSTITUTION:In a carburetter in a portable work engine for a mower and the like, a fuel nozzle 3 is provided to be opened to a Venturi 2 of a carburetter main body 1. Another end of the fuel nozzle 3 is opened in a float chamber 4 via an orifice. In the float chamber 4, fuel is contained to maintain a fixed oil face 8 constantly by opening and closing a float valve 6 linked with a float 7. At this stage, an injection tube 15 is positioned to face to a lower end hole 14 of the fuel nozzle 3 opened in the float chamber 4. The injection tube 15 is connected to a pressure-sending pump 11 including a pump button 13 manually operated via a joint 12. When the button 13 is pushed, increased fuel is injected into a carburetter from the fuel nozzle 3 for facilitating the starting of the engine.