PROBLEM TO BE SOLVED: To provide an energy source larger than nuclear fuel or fossil fuel so as to provide a new energy engine, a new energy manufacturing device, and a new energy manufacturing method. ;SOLUTION: Gravity energy, which is generated when a water tank 1 and a pushing/pulling rod 14 are alternately moved upward/downward, is collected to the pushing/pulling rod 14, and then, the energy is supplied.;COPYRIGHT: (C)1997,JPO
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