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High-efficiency engine combustion system

A combustion system and engine technology, which is applied to engine components, combustion engines, machines/engines, etc., can solve the problems of weak in-cylinder tumble flow, slow combustion speed, and high fuel consumption, so as to improve the level of tumble movement and speed up the combustion speed. , the effect of reducing fuel consumption

Inactive Publication Date: 2017-06-20
CHINA FIRST AUTOMOBILE
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  • Application Information

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Problems solved by technology

In order to ensure high power output of traditional engines, the compression ratio of the engine is controlled below 11, and the high flow coefficient of the intake port is given priority, resulting in weak tumble flow in the cylinder, slow combustion speed, high fuel consumption under partial load, and the maximum thermal efficiency is only Can reach 36%, at a lower level

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Embodiment Construction

[0019] In conjunction with accompanying drawing, the present invention is further elaborated:

[0020] Such as figure 1 , Figure 4 As shown, the high-efficiency engine combustion system includes a cylinder head 1 and a piston 9 . The cylinder head 1 is composed of an intake port 2, an intake valve seat 3, a cylinder head combustion chamber 4, an intake valve 5, an exhaust port 6, an exhaust valve seat 7, and an exhaust valve 8. Intake port 2, cylinder head combustion chamber 4, exhaust port 6, and piston 9 are the main components of the combustion system. The intake valve seat 3 and the exhaust valve seat 7 are located at the top of the cylinder head combustion chamber and are connected to the intake passage 2 and the exhaust passage 6 respectively; the intake valve 5 and the intake valve seat 3 are coaxial, When the valve 5 is opened, the oil-air mixture can enter the cylinder head combustion chamber 4 from the intake port 2 through the intake valve seat 3; the exhaust va...

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Abstract

The invention discloses a high-efficiency engine combustion system and belongs to the technical field of internal combustion engines. The high-efficiency combustion system suitable for a gas channel jet engine comprises a cylinder cover and a piston. The high-efficiency engine combustion system is mainly characterized in that a cylinder cover combustion chamber of a shielding structure is additionally arranged below an intake valve seat ring, and in-cylinder tumbling moving level of the engine can be enhanced; a top face protrudes, a spherical pit high-compression ratio piston combustion chamber is arranged in the center of the top face, relatively high turbulence energy can be formed in the spherical pit, the combustion speed is accelerated, the heat efficiency of the engine is improved, the oil consumption is reduced, and the detonation risks are reduced. By means of experimental verification, the heat efficiency is improved to 38 % from 36 % of the heat efficiency of a traditional engine, and the oil consumption is reduced.

Description

technical field [0001] The invention belongs to the technical field of internal combustion engines, and in particular relates to a high-efficiency engine combustion system. Background technique [0002] As my country's fuel consumption and emission regulations become increasingly strict, improving engine thermal efficiency and reducing engine fuel consumption have become the focus of research by automobile manufacturers. Combustion system development, as an important part, still has great potential to be explored. In order to ensure high power output of traditional engines, the compression ratio of the engine is controlled below 11, and the intake port is given priority to ensure high flow coefficient, resulting in weak tumble flow in the cylinder, slow combustion speed, high fuel consumption under partial load, and the maximum thermal efficiency is only It can reach 36%, which is at a low level. Contents of the invention [0003] The technical problem to be solved by th...

Claims

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Application Information

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IPC IPC(8): F02B31/04F02B23/08F02F3/28F01L3/22
CPCF01L3/22F02B23/08F02B31/04F02F3/28Y02T10/12
Inventor 王振喜段加全刘耀东钱丁超王伟尧陈海娥
Owner CHINA FIRST AUTOMOBILE