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Intake valve type eddy current scavenging two-stroke diesel engine

An intake valve, two-stroke technology, applied in mechanical equipment, combustion engines, machines/engines, etc., can solve the problem of incomplete exhaust gas discharge, and achieve the effect of simple structure, low cost, and enhanced workability

Inactive Publication Date: 2018-09-28
HARBIN ENG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The object of the present invention is to provide a kind of intake valve type vortex scavenging two-stroke diesel engine which solves the problems of incomplete discharge of exhaust gas and direct discharge of inhaled fresh air during the ventilation process

Method used

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  • Intake valve type eddy current scavenging two-stroke diesel engine
  • Intake valve type eddy current scavenging two-stroke diesel engine

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Embodiment Construction

[0021] The present invention is described in more detail below in conjunction with accompanying drawing example:

[0022] combine Figure 1-2 , The specific structure of the cylinder of the present invention includes: a turbocharger system, a cylinder, a piston, an oil injector, an exhaust port and an air intake with an intake valve. The intake port is located near the top of the cylinder side, and an intake valve is installed; the exhaust port is located at the lower part of the cylinder side, and is respectively located on both sides of the cylinder with the intake port. Due to the presence of the intake valve, the exhaust port can be opened prior to the intake port for exhaust. After the exhaust is performed for a period of time, the intake valve opens and the intake begins. In addition, the axis of the intake port is not parallel to the normal line of the cylinder, but forms an angle of about 60° with the normal line of the cylinder. Therefore, the fresh air will flow in...

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Abstract

The invention aims to provide an intake valve type eddy current scavenging two-stroke diesel engine. The intake valve type eddy current scavenging two-stroke diesel engine comprises an air cylinder, an oil spray nozzle and a piston. The piston is located in the air cylinder, and the oil spray nozzle is arranged at the top end of the air cylinder. The air cylinder is provided with an air inlet andan air outlet, the air inlet and the air outlet are formed in the two sides of the air cylinder correspondingly, the air inlet is formed above the side face of the air cylinder, the air outlet is formed below the side face of the air cylinder, the air inlet is connected with an air feeding channel, and the air feeding channel is provided with an intake valve. Due to the intake valve, waste air discharging can be more thorough by controlling switching-on and switching-off of the intake valve, and heat exchange quality is improved. In addition, air enters the air cylinder in an inclined manner and flows along the inner wall of the air cylinder in a surrounding manner to form an intake swirl, and the intake swirl not only contributes to operation of the scavenging process, improvement of mixing of oil and air and fuel combustion but also performs good cooling on the inner wall of the air cylinder.

Description

technical field [0001] The invention relates to a diesel engine, specifically a two-stroke diesel engine. Background technique [0002] The internal combustion engine is a very important power machine, which is widely used in many fields of industrial production and social life. Among them, diesel engine is an important branch of internal combustion engine, and has an irreplaceable position as the power of transportation, agricultural machinery and construction machinery. [0003] Diesel engines are divided into four-stroke diesel engines and two-stroke diesel engines according to the stroke structure. The crankshaft of a two-stroke diesel engine completes a working cycle every revolution, that is, the crankshaft does work once every revolution. Therefore, compared with the four-stroke diesel engine, the two-stroke diesel engine has a stronger working ability at the same speed. Two-stroke diesel engines are widely used especially in large marine low-speed diesel engines. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B25/14F02B25/20F02B37/00
CPCF02B25/14F02B25/20F02B37/00Y02T10/12
Inventor 王贵新杨瑞李晓波吴文涛苏衍畔陈广库
Owner HARBIN ENG UNIV
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