Patent ID: 8872364

Claim:
A power generator comprising: a heavy gyro body; a driving device being used to drive the heavy gyro body to rotate about a vertical spindle; a transmission disk being secured to and rotatable simultaneously with the heavy gyro body, the transmission disk having a plurality of roller groups at a sidewall thereof, each roller group having at least two rollers; and an electricity generation module having a rotation disk, the rotation disk having a plurality of inclined grooves at a sidewall thereof, each inclined groove is meshed with a corresponding one of the roller groups such that the transmission disk is able to drive the rotation disk to rotate, wherein each roller group has a virtual center connection line in parallel with an inner sidewall of a corresponding one of the inclined grooves, wherein the virtual center connection line is a virtual line interconnected between centers of the at least two rollers of each roller group, an included angle between each virtual center connection line and a horizontal plane is more than 0 degree and less than 45 degrees.