| 摘要 |
The invention relates to a power unit the cylinder block of which comprises at least two cylinders (3) which have the shape of a partial toroid, pistons (4) mounted in the cylinders and a generator (8, 11, 18) for producing electricity according to the principles of electromagnetic induction. The pistons (3) and the first section (8, 11) of the generator are mounted substantially rigidly with respect to each other and move together as a power transmission part, and the generator sections (8, 11, 18) are totally outside the cylinders. Not only can the power unit be used for converting combustion energy of fuel into electric energy, but also for converting combustion energy into pressure energy, electric energy into pressure energy and pressure energy into electric energy.
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