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Operation method of engine during abnormal combustion and operation controller

一种异常燃烧、操作方法的技术，应用在发动机控制、燃料喷射控制、机器/发动机等方向，能够解决没有考虑等问题

Active Publication Date: 2009-03-25
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, the control operation does not take into account the details of engine fuel cutoff for abnormal combustion

Method used

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  • Operation method of engine during abnormal combustion and operation controller
  • Operation method of engine during abnormal combustion and operation controller
  • Operation method of engine during abnormal combustion and operation controller

Examples

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Embodiment Construction

[0023] Details of the invention will be described hereinafter in the form of an embodiment shown in the accompanying drawings. Note that the dimensions, materials, shapes, and relative arrangements of members described in this embodiment are just examples for understanding, and are not intended to limit the technical scope of the present invention unless otherwise specified.

[0024] 1 is a plan view illustrating the overall structure of a system for operating a dual-cylinder gasoline engine for energy generation when abnormal combustion occurs in the dual-cylinder gasoline engine for energy generation in an embodiment of the present invention.

[0025] In Fig. 1, an engine 10 is shown, in this example, it is a V-type multi-(8) cylinder internal combustion engine, which can be a double-cylinder diesel engine or a double-cylinder gasoline engine, and the cylinder (8 cylinders) 1 of the engine 10 is used for A fuel injector 2 for injecting fuel gasoline into the respective cylin...

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PUM

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Abstract

An operation method of an engine during abnormal combustion in which operation control of the engine can be performed appropriately after fuel supply interruption to a heavy knock-inflicted cylinder without stopping the engine immediately upon detection of occurrence of heavy knock. An operation controller during abnormal combustion is also provided. The operation method of an engine during abnormal combustion by which the engine is stopped or an output limit operation is performed upon occurrence of abnormal combustion in the engine having a plurality of cylinders capable of correcting the combustion state stepwise or continuously by fuel regulation including fuel interruption, characterized in that an abnormal combustion simulation signal obtained by calculating the abnormal combustion state of the engine simulatively is preset, combustion state detection signal of a cylinder selected sequentially from among the plurality of cylinders is compared with the abnormal combustion simulation signal in order to judge occurrence of abnormal combustion in the selected cylinder, and then fuel supply to the selected cylinder is interrupted.

Description

technical field [0001] The present invention relates to a method of operating an engine when abnormal combustion occurs, applied to a double-cylinder gasoline engine, a double-cylinder diesel engine, or the like for energy generation, by adjusting the fuel, including stopping the fuel, in order to perform a stop or output-limited operation of the engine, It is capable of gradually or continuously correcting the state of combustion, and also relates to means for controlling the operation of the engine when abnormal combustion occurs. Background technique [0002] A double-cylinder gasoline engine or a double-cylinder diesel engine for power generation incorporates a protection circuit for stopping the engine when abnormal combustion occurs, ie when a so-called heavy knock occurs in one or more cylinders. [0003] Specifically, in a conventional double-cylinder gasoline engine (or double-cylinder diesel engine) for power generation, when a sudden increase in cylinder pressure ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D41/22F02D19/02F02D45/00
CPCF02D41/0087G01L23/221F02D17/02F02D35/027F02D41/22F02D19/02F02D45/00
Inventor 铃木元佐伯泰宏石田一郎
Owner MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD
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