Patent ID: 6895703

Claim:
An impeller module of snow drop water ball driven by a magnet rotor from outside of the snow drop water ball, comprising: a base disc connected to the snow drop water ball and having a spindle with a bearing surface, a plurality of pins and a central post; a blade ring having a ring body with a spindle hole for rotatably mounted on the bearing surface, a plurality of magnet elements, an inner gear and a set of blades, and using the magnet elements to receive a rotational power via a magnetic coupling effect from a magnet rotor; a gear system rotatably supported by the pins and meshed with the inner gear; and a rotational disc rotatably supported by the central post and having a top surface and gear portion, the rotational disc using the a top surface to support an decoration of the snow drop water ball, the gear system transmitting the rotational power from the blade ring to the rotational disc, the rotational disc using the gear portion to engage with the gear system for receiving the rotational power from the gear system.