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Internal combustion engine

An internal combustion engine, combustion chamber technology, applied in mechanical equipment, engine control, machine/engine, etc., can solve problems such as abnormal combustion in the combustion chamber, and achieve the effect of suppressing cooling loss

Inactive Publication Date: 2013-02-13
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is known that abnormal combustion occurs in the combustion chamber when the compression ratio is set very high

Method used

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  • Internal combustion engine
  • Internal combustion engine
  • Internal combustion engine

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Embodiment Construction

[0034] refer to Figure 1 to Figure 11 , the internal combustion engine in the embodiment will be described. In this embodiment, an internal combustion engine installed in a vehicle will be described as an example.

[0035] figure 1 It is a schematic diagram of the internal combustion engine in this embodiment. The internal combustion engine in this embodiment is a spark ignition type internal combustion engine. The internal combustion engine includes an internal combustion engine main body 1 . The internal combustion engine body 1 includes a cylinder block 2 and a cylinder head 4 . A piston 3 is arranged inside the cylinder block 2 . In the present invention, in addition to the space in the cylinder surrounded by the upper end surface of the piston and the cylinder head when the piston reaches the compression top dead center, it will also be surrounded by the upper end surface of the piston and the cylinder head at any position The space inside the cylinder is called th...

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Abstract

An internal combustion engine is provided with a volume-change device wherein when the pressure in a combustion chamber reaches a predetermined control pressure, the pressure change in said combustion chamber drives a spring device to contract, which changes the volume of a space connected to the combustion chamber. The spring device contains the following: a cylindrical part connected to the combustion chamber; and a movable member movably disposed inside the cylindrical part. The volume-change device contains a heating device formed so as to be able to heat a section of the wall of the cylindrical part, said section being that which becomes the abovementioned space connected to the combustion chamber when the movable member moves.

Description

technical field [0001] The invention relates to an internal combustion engine. Background technique [0002] The internal combustion engine outputs driving force by supplying fuel and air to a combustion chamber and burning the fuel in the combustion chamber. When fuel is burned in the combustor, the mixture of air and fuel is compressed. It is known that the compression ratio of an internal combustion engine affects output power and fuel consumption. By increasing the compression ratio, it is possible to increase output torque or reduce fuel consumption. However, it is known that abnormal combustion occurs in the combustion chamber when the compression ratio is set very high. [0003] Japanese Unexamined Patent Publication No. 2000-230439 discloses a self-igniting internal combustion engine provided with a sub-chamber communicating with the combustion chamber via a pressure regulating valve having a valve body and a valve body connected and Valve stem that applies force...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D15/04
CPCF02D15/04
Inventor 芦泽刚
Owner TOYOTA JIDOSHA KK