FOUR-STROKE ENGINE

摘要

A four-stroke engine includes an oil tank, a crankshaft chamber, a distribution chamber, a rocker chamber, a combustion chamber, and a lubricating system. The oil tank is communicated with the crankshaft chamber through an oil supply channel. The four-stroke engine further comprises a cam and a transmission mechanism connected between the cam and a crankshaft of the crankshaft chamber in a matched manner. The cam is matched with a rocker of the rocker chamber and located above the combustion chamber.

主权项

1. A four-stroke engine comprises:
an oil tank; a crankshaft chamber; a distribution chamber; a rocker chamber; a combustion chamber; and a lubricating system; the oil tank being communicated with the crankshaft chamber through an oil supply channel; the crankshaft chamber being communicated with the distribution chamber through a first oil transmission channel, and a unidirectional valve being disposed in the first oil transmission channel; the rocker chamber is being communicated with the crankshaft chamber through at least one oil return channel, and a unidirectional valve is being disposed in each oil return channel; the distribution chamber is being communicated with the oil tank and used for separating an oil-gas mixture into oil mist and fluid oil; the four-stroke engine further including a cam and a transmission mechanism connected between the cam and a crankshaft of the crankshaft chamber in a matched manner the cam being matched with a rocker of the rocker chamber and located above the combustion chamber.