| 摘要 |
<p>A carburettor metering system is provided for use in a fuel combustion engine having loads ranging from part load to full load. The metering system comprises a fuel wick chamber (58) for vaporising liquid fuel into an air flow at a relatively constant mixture strength suitable for a full load condition, a vortex chamber (60) for introducing hot dilution air into said air flow, and a diluent throttle (62) for controlling the amount of hot dilution air introduced into said air flow in response to load conditions of said engine, to provide a relatively leaner mixture at part load conditions and a relatively richer mixture at full load conditions. A wick (59) for use in the metering system comprises a cloth of woven strands and means for suspending the cloth in the air flow.</p> |
