Mixer with Secondary Venturi: An Invention for the First-Generation LPG Kits

Engine torque and power are one of the problems in LPG applications for vehicles with first-generation converter kits. Therefore, this paper presents the results of the development of a mixer prototype to be applied to LPG fueled vehicles with first-generation converter kits (converters and mixers). A series of work is done beginning from design, prototyping, and ending by testing of prototypes to vehicles. The prototyping process includes design activities and machining activities. Design activities are carried out with Pro-Eng software and machining activities are carried out with a turning machine. Furthermore, the prototype mixer was tested on a 1500 cc engine. Output torque and power are measured on a chassis dynamometer with the standardized test method. The results of this study indicate that the mixer with secondary venturi shows better output torque and power than a standard mixer at almost all daily speeds for public fleet and private vehicles. In conclusion, mixer with secondary venturi is feasible to implement, especially for public transport with heavy loads.

Abstract licence: CC BY

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