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Internal combustion engine control device and internal combustion engine

A technology for control devices and internal combustion engines, applied in engine control, internal combustion piston engines, electrical control, etc., can solve problems such as internal combustion engine performance deviations, achieve the effect of reducing pressure fluctuations in cylinders and achieving performance

Active Publication Date: 2018-10-23
MITSUBISHI HEAVY IND LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the scavenging pressure is changed by the variable turbine capacity system, there is a problem that the performance of the internal combustion engine will vary.

Method used

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  • Internal combustion engine control device and internal combustion engine
  • Internal combustion engine control device and internal combustion engine
  • Internal combustion engine control device and internal combustion engine

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Experimental program
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Embodiment Construction

[0031] Hereinafter, a control device for an internal combustion engine and preferred embodiments of the internal combustion engine according to the present invention will be described in detail with reference to the accompanying drawings. In addition, the present invention is not limited to the present embodiment, and in the case of having a plurality of embodiments, an aspect configured by combining the respective embodiments is also included.

[0032] figure 1 It is a schematic block diagram which shows the marine diesel engine which is the internal combustion engine of this embodiment.

[0033] In this embodiment, as figure 1 As shown, the marine diesel engine 10 as an internal combustion engine includes a diesel engine main body (an internal combustion engine main body) 11 , a VTI supercharger 12 , and a control device 13 .

[0034] The diesel engine main body 11 is provided with a plurality of cylinder parts 21 , and pistons 22 are respectively supported in the cylinder...

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Abstract

An internal combustion engine control device and an internal combustion engine are provided with: a diesel engine body (11); a VTI turbocharger (12) comprising a compressor (31) and a turbine (32) forsupplying combustion gas to the diesel engine body (11); and an exhaust valve (28) and an injector (29) as actuation members for influencing in-cylinder pressure. A control device (13) is provided with a plurality of operation parameters (A, B) for determining amounts of actuation of the exhaust valve (28) and the injector (29) in accordance with the capacity of the turbine (32), and, when the capacity of the turbine (32) is changed, switches the operation parameters (A, B) after the elapse of a predetermined delay time (t + [delta]t) that is set in advance.

Description

technical field [0001] The present invention relates to a control device for an internal combustion engine including a supercharger, and an internal combustion engine including the control device for the internal combustion engine. Background technique [0002] For example, in order to improve fuel economy and reduce CO in exhaust gas, an internal combustion engine as a main engine mounted on a ship 2 Equipped with a supercharger. This supercharger increases the output of the internal combustion engine by driving a turbine and a compressor using exhaust gas discharged from the internal combustion engine to compress and supply combustion gas to the internal combustion engine. [0003] As such a supercharger, there is a variable turbo system having a variable capacity turbo. In this variable turbo system, the variable turbo nozzle is arranged at the inlet portion of the exhaust gas, the gas inlet passage of the exhaust gas is divided into two lines, and an on-off valve is pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D23/02F02B37/22F02D13/02F02D43/00F02D23/00
CPCF02B37/22F02D13/02F02D23/00F02D23/02F02D43/00Y02T10/12F02D35/023
Inventor 德楠力一
Owner MITSUBISHI HEAVY IND LTD