MOTOR TYPE POPPET VALVE AND EGR DEVICE OF INTERNAL COMBUSTION ENGINE USING THE MOTOR TYPE POPPET VALVE

摘要

A motor type poppet valve and an EGR device of an internal combustion engine using the motor type poppet valve. A motor control means (50) for the motor type poppet valve (20) comprises an initial motor torque set means (54) setting the initial motor torque of an electric motor (40) to or near a torque equivalent to a force energizing the valve element (33) of a poppet valve body (32) to a valve seat (12). When the electric motor is operated to separate the valve element from the valve seat, the electric motor is operated so that the initial motor torque can be provided.