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Differential internal combustion engine

A technology of internal combustion engine and differential program, which is applied in the direction of mechanical equipment, engine control, machine/engine, etc., and can solve problems such as waste of energy and loud noise

Inactive Publication Date: 2003-05-14
黄宏胜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, such a large amount of energy is discharged as exhaust gas, causing a lot of noise and wasting energy.

Method used

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Embodiment 1

[0025] Embodiment 1, solve 195 type diesel engine as above-mentioned, change the ratio of working stroke and compression stroke to be 2: 1, the purpose of refitting is to improve efficiency, original machine technical specification: fuel consumption rate is 250 grams / kW. Hour, promptly efficiency is 34 %, the compression ratio is 16:1, and the oil supply angle is 20 degrees; the intake valve, opens 16 degrees before the top dead center, and closes 36 degrees after the bottom dead center; the exhaust valve, closes 14 degrees after the top dead center, and Open 43 degrees.

[0026] After changing to a differential internal combustion engine, the design power stroke is 110 mm, and the compression stroke is 55 mm. The technical specifications are: the intake valve opens 16 degrees before the top dead center, closes 92 degrees after the bottom dead center, and the volume of the combustion chamber is reduced. , resulting in a compression ratio of 32:1. The oil supply angle is 11°C....

Embodiment 2

[0027] Embodiment 2, refitting purpose, refitting under the same conditions of required power, such as the above-mentioned 165 type gasoline engine, the technical specification power of the original machine is 2.94 kilowatts, the compression ratio is 6:1, the ignition advance angle is 22 degrees, and the fuel consumption rate is 360 g / kW. hours, that is, the efficiency is 22%. Intake valve: open 22 degrees before top dead center, close 50 degrees after bottom stop; exhaust valve: close 9 degrees after top dead center, open 55 degrees before bottom stop.

[0028] Change to a differential internal combustion engine. According to the previous improvement plan, the power required for the modification is the same, and the ratio of the power stroke to the compression stroke is 1.2:1. According to the ratio design, the power stroke is 60 mm, and the compression stroke is 50 mm. The technical specification is Intake valve: open 22 degrees before top dead center, close 60 degrees befor...

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Abstract

The differential internal combustion engine consists of cylinder, valve cam, piston, link rod, crankshaft, inlet valve and outer valve. It features the longer set specific work producing stroke, and specially, the gasoline internal combustion engine has set specific work producing stroke of 1.2-2.8 times and corresponding inlet valve angle between the upper and the lower stop ends of 45-110 deg.c; and diesel internal combustion engine has set specific work producing stroke of 1.2-2 times and corresponding inlet valve angle between the upper and the lower stop ends increased by 5-60 deg. The volume of gas into the cylinder is the same as that of set compression volume.

Description

Technical field: [0001] The invention relates to a piston internal combustion engine, in particular to the stroke of a piston of a piston internal combustion engine. Background technique: [0002] Existing piston-type internal combustion engine is generally made of main parts such as cylinder, valve cam, piston, connecting rod crankshaft and intake and exhaust valves, and its work process is suction, compression, work and exhaust, and the compression and work of piston The motion strokes are basically equal, or the difference is very small, generally within 10%, and the law of thermal expansion and contraction of objects is not fully utilized, because the power stroke is a combustion and heat release process, and the gas volume expansion in the cylinder cannot be equal to the compression stroke. Therefore, after the power stroke is completed, the gas in the cylinder still has a certain pressure, which is about 3 to 5 kg / cm2. According to the three laws of gas, the pressure ...

Claims

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Application Information

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IPC IPC(8): F02D15/02
Inventor 黄宏胜
Owner 黄宏胜