Patent ID: 8578818
Filing Date: 2013-11-12
Classification: B66B,Y10T

Abstract:
1. A mechanical device ( 1 ) for reducing the energy absorbed by an electric motor (M) of a hoisting plant ( 2 ), wherein said device ( 1 ) comprises: a first rotating member (PA), connected to said motor (M) through a connection that develops a transmission ratio substantially equal to unity; a second rotating member (PB), connected to the first member (PA) through first transmission means (T a third rotating member (PR), connected to said second rotating member (PB) through second transmission means (C) that develop a transmission ratio substantially equal to unity; a fourth rotating member (PM), integral with the rotor of said motor (M) and connected to said third member (PR) through third transmission means (T said first transmission means (T 1 ), second transmission means (C) and third transmission means (T 2 ) being formed by bodies separated from each other.