Abstract: A linear motor includes a housing, a mover and a stator unit. The mover is movable relative to the housing, and includes a rod member, a plurality of first magnets mounted to the rod member, and a plurality of second magnets mounted to the rod member. The first and second magnets are arranged alternately in a circumferential direction of the rod member, and are partially overlapped circumferentially. The stator unit is disposed in the housing, surrounds the mover, and is able to be energized to drive reciprocal movement of the mover relative to the housing.

Abstract: A reciprocating electric motor includes a housing, a stator member disposed in the housing, a reciprocating armature movable relative to the housing, and. controller. The stator member includes first and second. electromagnet units opposite to each other in a longitudinal direction of the housing. The reciprocating armature includes first and second. elongated pole units each of which is moved into register with a corresponding one of the first and second electromagnet units when the corresponding one of the first and second electromagnet units is energized. The controller is configured to alternately energize the first and second electromagnet units to cause reciprocating movement of the reciprocating armature.

Abstract: A gravity power generation mechanism utilizes a gravity energy conversion unit to convert the gravity potential energy into the kinetic energy. The gravity energy conversion unit produces positive torques by adopting outward-spreading single directional swing arms and reduces the negative torques by cooperating with the folding action of the single directional swing arms, so as to perform a long-time, effective and continuous energy conversion of converting gravity potential energy into the kinetic energy. Next, the kinetic energy will be transmitted to a power generating unit to perform another energy conversion of converting the kinetic energy into the electric energy. And finally, a power supply system is used to transmit the electric energy out.