| 摘要 |
The invention relates to a 360° reversible four-stroke engine, including a cylinder, a plunger, a crankshaft component and a carburetor, wherein the carburetor is used for providing mixed oil and gas to an intake passage, the mixed oil and gas is communicated to an intake valve component in a rocker chamber through the intake passage, and the mixed oil and gas is communicated to an intake valve component in a rocker chamber through the intake passage; said intake passage is setup with a bypass connected to a crankshaft chamber, the bypass is a mixed oil and gas lubrication passage, the lower portion of the crankshaft chamber is connected to an one-way valve chamber, the one-way valve chamber is communicated with a cam chamber and is setup with an one-way valve therein which opens upon positive pressure of the crankshaft chamber and closes upon negative pressure of the crankshaft chamber. |
