%0 Journal Article %T High Efficiency Gear %A Florian Ion Tiberiu Petrescu %A Relly Victoria Virgil Petrescu %J Facta Universitatis, Series: Mechanical Engineering %P 51-60 %@ 2335-0164 %D 2014 %I University of Ni? %R no %X The paper presents an original method for determining gear efficiency, gearing forces, velocities and powers. It analyzes the way in which certain parameters affect gear efficiency. Furthermore, an original method for determining geared transmissions efficiency as a function of the contact ratio is concisely presented. With the presented relations, one can make a dynamic synthesis of geared transmissions with the aim of increasing gearing mechanisms efficiency. %K Gear %K Geared Transmission %K Contact Ratio %K Dynamic Synthesis %K Gear Efficiency %U http://casopisi.junis.ni.ac.rs/index.php/FUMechEng/article/view/187