| 摘要 |
This is a high torque power, offset piston engine with a straight power shaft. It is interchangeable between a 2-stroke and a 4-stroke by easily repositioning an idler. Objects of this invention include: 1. easily interchanged between 2-stroke and 4 -stroke; 2. instant peak torque at the beginning of the power stroke; 3. power stroke overlap; 4. piston always square in its cylinder reduces cylinder wear and bypass gases; 5. an efficient 1-way clutch transmits power to the power shaft; 6. the 1-way clutch overrun feature allows deactivating pairs of pistons without load on the shaft; 7. lightweight piston and rod due to compression forces only; 8. low cylinder expansion rate with a small bore, which allows more complete combustion of a small combustion charge resulting in high fuel efficiency; 9. reduced mass engine compared to a crank engine; 10. fewer main bearings due to shear force only on the power shaft.
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