| 摘要 |
a plate(15) related to the intake stroke and other plates(16) related to the exhaust stroke; four hydraulic cylinders(22)(23)(24)(25) around the plate(15) and other four hydraulic cylinders(39)(40)(41)(42) around the plate(16); and a pulley(13) for making one revolution per two revolutions of a crank shaft, etc. The process comprises: the plates(15)(16) turning and the cam profiles(17)(34) on the plates making pistons(26)(27)(28)(29), (43)(44)(45)(46) move straight in turn; the pistons for compressing the fluid in the hydraulic cylinders(22)(23)(24)(25), (39)(40)(41)(42); the pressure of the hydraulic cylinders(22)(39) among the cylinders pushing the pressure plates(51)(52) on the valve stems through connecting pipes(53)(54); and an intake valve(3) and an exhaust valve(2) opening by the pressure in turn.
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