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Internal combustion engine with changeable compression ratio

An internal combustion engine, compression ratio technology, applied in engine control, machine/engine, mechanical equipment, etc., can solve problems such as high fuel consumption, and achieve the effect of reducing fuel consumption, improving life, and improving service life

Inactive Publication Date: 2013-03-06
霍继龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, it is easy to cooperate with the supercharger, which solves the problem of starting and idling of the diesel engine with supercharged ratio, and the problem of high fuel consumption in some working conditions when the engine is supercharged.

Method used

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  • Internal combustion engine with changeable compression ratio
  • Internal combustion engine with changeable compression ratio
  • Internal combustion engine with changeable compression ratio

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] Separate the crankshaft bearing from the cylinder block, and make another crankshaft bracket. The crankshaft bracket and the cylinder block are connected by multiple screws. The distance between them changes to achieve the purpose of adjusting the compression ratio. Structural representation figure 1 .

[0011] Several screws rotate at the same time to ensure the parallel movement between the cylinder body and the crankshaft bracket, to ensure the equal distance between the two surfaces, to ensure the parallelism of the two surfaces, and the relative verticality and positioning accuracy. The structure is shown as figure 2 . Certainly also can adopt gear-rack, gear-screw transmission mode. As shown in the figure, a power gear drives four screw rods through a chain.

[0012] Each screw rod has a locking screw nut, which is used to lock the cylinder block and screw rod, crankshaft bracket and screw rod, so that the cylinder body is rigidly combined with the crankshaft...

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PUM

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Abstract

The internal combustion engine with changeable compression ratio has smooth switching between different compression ratio operating modes. Normally, the internal combustion engine operates in operating mode with stopped booster, lowered compression ratio, lowered oil consumption and reduced pollution. Only in requiring great power, the booster operates. The internal combustion engine with changeable compression ratio has high economical efficiency, high reliability and long booster life.

Description

technical field [0001] The present invention belongs to internal combustion engines. Background technique [0002] The compression ratio of the internal combustion engine currently in use is unchanged. Therefore, there are problems that the idling speed is unstable during supercharging and the economy is not very good. Contents of the invention [0003] The variable compression ratio internal combustion engine of the present invention can adjust the compression ratio of the engine according to needs, such as when high power is needed, the compression ratio can be reduced, and the compression ratio can be increased in half-working conditions to reduce fuel consumption; According to the requirements to determine the compression ratio and reduce the emission of pollutants. At the same time, it is easy to cooperate with the supercharger, which solves the problem of starting and idling of the diesel engine with supercharged ratio, and the problem of high fuel consumption in s...

Claims

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Application Information

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IPC IPC(8): F02D15/04
Inventor 霍继龙
Owner 霍继龙