Two-stroke engine cylinder and two-stroke engine
An engine cylinder, two-stroke technology, which is applied to engine components, machines/engines, cylinders, etc., can solve the problems of large exhaust emissions, escape, and high fuel consumption, reducing exhaust emissions, improving fuel utilization, and improving The effect of energy conversion efficiency
Inactive Publication Date: 2015-09-23
ZHEJIANG TITAN MACHINERY
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Problems solved by technology
However, when the existing two-stroke gasoline engine cylinder block is scavenging through two scavenging passages, it is easy to cause the oil-gas mixture to escape from the exhaust port together with the exhaust gas after combustion, so that the fuel consumption of the two-stroke gasoline engine is reduced. High rate, large amount of waste gas discharge
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[0025] During the working process of the two-stroke gasoline engine, when the piston descends to the scavenging position, the piston compresses the oil-air mixed gas in the crankcase, and the oil-air mixed gas is pressed into the upper part of the cylinder through two scavenging passages and sweeps away the exhaust gas after combustion. Exhaust the exhaust gas. However, when the existing two-stroke gasoline engine cylinder block is scavenging through two scavenging passages, it is easy to cause the oil-gas mixture to escape from the exhaust port together with the exhaust gas after combustion, so that the fuel consumption rate of the two-stroke gasoline engine is high. High, large amount of exhaust emissions.
[0026] The invention provides a two-stroke engine cylinder and a two-stroke engine to improve the above problems.
[0027] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.
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The invention provides a two-stroke engine cylinder and a two-stroke engine, and relates to the field of gasoline engines. The two-stroke engine cylinder comprises a cylinder body, the cylinder body is provided with a gas inlet and a gas outlet, the cylinder body is internally provided with an air compression chamber, a scavenging channel used for scavenging is formed in the inner wall of the air compression chamber, the scavenging channel comprises a first scavenging channel body and a second scavenging channel body, compared with the first scavenging channel body, the second scavenging channel is close to the gas inlet, and the scavenging direction of the second scavenging channel body points to the gas inlet direction. By means of the two-stroke engine, the phenomenon that oil gas mixing gas which is not burned escapes from the gas outlet in the working process of the two-stroke engine is reduced, the fuel oil use rate of the two-stroke engine is improved, exhaust emission capacity is reduced, and therefore the energy conversion efficiency of the two-stroke engine is improved. By means of the two-stroke engine, the phenomenon that the oil gas mixing gas which is not used escapes from the gas outlet is reduced, the oil gas mixing gas use rate is improved, and the energy is saved.
Description
technical field [0001] The invention relates to the field of gasoline engines, in particular to a two-stroke engine cylinder and the two-stroke engine. Background technique [0002] Gasoline Engine (Gasoline Engine) is an engine that converts heat energy into kinetic energy with gasoline as fuel. Among gasoline engines, the air-cooled two-stroke gasoline engine is widely used in the fields of transportation, agricultural drainage and irrigation, civil engineering construction, etc. power source. [0003] Generally, the structure of an air-cooled two-stroke gasoline engine mainly includes a cylinder block assembly, a crankcase body, a crankshaft connecting rod assembly, a piston, an igniter, a fuel supply system, an intake pipe, an air filter, an exhaust pipe, and a cooling fan. Wherein, the cooling fan is installed on the rotating shaft of the crankshaft and is driven to rotate along with the rotation of the rotating shaft to generate cooling air to cool the gasoline engin...
Claims
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IPC IPC(8): F02F1/22F02B75/02
CPCF02F1/22F02B2075/025
Inventor 郭晓峰
Owner ZHEJIANG TITAN MACHINERY