| 摘要 |
Two weights and or springs mounted on two pivoted beams. A short end of each beam is interconnected with a gearbox by a crank and trace. The gearbox is interconnected with two other ends of the beams by linkages. An electric starter with battery imparts kinetic energy to lift one weight and let the other weight descend. The gearbox regulates the oscillation of two beams. The operator turns the electric starter off after the system is started. An output shaft imparts rotary motion of the gearbox to drive a vehicle, an airplane, or an AC generator.
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