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Power loss in a combustion engine of a prototype vehicle

100%

Petróci J. , Mantič M. , Sloboda O.

Diagnostyka

2017

tom Vol. 18, No. 2

59--64

The paper deals with the analysis of power loss involved in an experimental single-cylinder internal combustion engine during its operation. The experimental engine has been developed and built entirely at the University for the purposes of Shell Eco-marathon. A series of experimental measurements was taken to discover the reasons for the issues we had encountered by obtaining output power characteristics and the value of compression pressure regularly at specific intervals. The data we obtained served to diagnose faults and to propose solutions for their elimination.

Design of a compact dual-purpose starting clutch in the drive of a prototype vehicle

100%

Petróci J. , Mantič M. , Kuľka J. , Boslai R.

tom z. 91

107--112

Initially, the development of a dual-purpose clutch was based on racing experiences and application requirements, as well as the results from testing the new power unit in the existing prototype vehicle. In order to achieve the highest possible driving range of the prototype vehicle, it has been necessary to eliminate the maximum possible losses and drive in unnecessary components. The design aimed to achieve simple access, reliability and low weight.

Special device for continuous deceleration of freight cableway trucks

88%

Mantič M. , Kuľka J. , Kopas M. , Faltinová E. , Petróci J.

tom z. 91

89--97

This paper is focused on the design of an auxiliary braking device for freight cableway trucks. The device provides continuous deceleration for the trucks before they arrive at the unloading station. It presents an alternative to manual deceleration, which poses safety hazards and is therefore a less suitable option. The design distinctly accommodates the spatial disposition at the unloading station and involves minimal interventions to the existing steel structure. Above all, it aims to increase safety by eliminating the need for human input in the process of decelerating the trucks before they are emptied. The proposed design solution was successfully applied in a real operation.