Oxygen-entering type two cycle engine

Abstract

The invention provides an oxygen access type two-stroke engine. The engine comprises a cylinder which is provided with a piston to divide the cylinder into two chambers; an exhaust port is arranged on a cylinder wall of the chamber on one side of a piston connecting rod; a fuel nozzle, a combustion improver nozzle and a spark plug are arranged on a cylinder head; the fuel nozzle and the combustion improver nozzle are respectively connected with a switch device so as to inject fuel and combustion improver to the cylinder; the spark plug is connected with an ignition control device; the fuel nozzle is connected with a fuel supply device; the combustion improver nozzle is connected with a compressed oxygen supply device. The oxygen inlet type two-stroke engine inputs high-concentration oxygen by a gas nozzle and coordinates with the fuel nozzle to inject the fuel, thereby stopping the scavenging loss and the disadvantage of reducing the effective working strokes in air exchange; as the engine needs no crankcase to exchange air; the crankcase can carry out lubrication like a four-stroke engine; the oxygen inlet type two-stroke engine has very simple structure, combines and upgrades the functions of the prior engine, and has high efficiency, full combustion and low energy consumption.

Description

technical field [0001] The invention belongs to the technical field of engines, and in particular relates to a two-stroke engine accompanied by gas input during working links. Background technique [0002] Engines in the prior art generally include four working processes: air intake, compression, explosion (ignition fuel injection) and exhaust, and the crankshaft rotates for two weeks to complete a work cycle, which is less efficient. In order to improve work efficiency, a two-stroke gasoline engine appears in the prior art. The crank of the two-stroke engine rotates 360° to complete a working cycle, that is, the engine burns once when the crank rotates one circle. It relies on the scavenging port on the cylinder wall, the exhaust The port completes the intake and exhaust process. Because the crank of a two-stroke engine rotates one revolution to do one work, the torque of the two-stroke engine is more uniform than that of the four-stroke engine; at the same time, under the...

AI Technical Summary

Problems solved by technology

Because the crank of a two-stroke engine rotates one revolution to do one work, the torque of the two-stroke engine is more uniform than that of the four-stroke engine; at the same time, under the same crankshaft speed and the same working volume, the output power of the two-stroke engine is twice as high as that of the four-stroke engine , but because the two-stroke engine has scavenging loss, and the effective working stroke is reduced during ventilation, its actual output power is only 50% to 70% higher than that of the four-stroke engine

In addition, the two-stroke gasoline engine in the prior art also has the following defects: 1, the work is rough, gasoline will be mixed with lubricating oil, so that the life of the engine is reduced; 2, the combustion is insufficient, and the emission pollution is serious

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