Method and device for improving low-speed dynamic property and acceleration responsiveness of turbocharged engine

A turbocharger and turbocharger technology, applied to engine components, combustion engines, machines/engines, etc., can solve problems such as torque reduction, engine power reduction, engine smoke, etc., to increase low-speed torque and reduce acceleration Time, the effect of reducing smoke

Inactive Publication Date: 2016-12-07
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of low engine speed and heavy load, insufficient air intake of the turbocharger will result in a reduction in torque, thereby reducing the power of the engine
In addition, when the engine is accelerating or running at low speed and heavy load, there may be problems such as engine smoke due to insufficient intake air.

Method used

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  • Method and device for improving low-speed dynamic property and acceleration responsiveness of turbocharged engine
  • Method and device for improving low-speed dynamic property and acceleration responsiveness of turbocharged engine

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Embodiment Construction

[0022] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.

[0023] Such as Figure 1 to Figure 2 As shown, the present invention provides a method for improving low-speed dynamics and acceleration responsiveness of a turbocharged engine, by supplying air to the engine 6 through the turbocharger 5; Auxiliary air supply device 7 for supplying air to engine 6 when air supply is insufficient;

[0024] The electronic controller ECU of the engine 6 detects the air supply status of the turbocharger 5 to the engine 6 in real time and judges whether the air supply status meets the preset air demand requirement of the engine 6;

[0025] If the electronic controller ECU detects that the air supply status of the turbocharger 5 meets the preset air requirement of the engine 6, that is, the auxiliary air supply device 7 does not work; otherwise, the electronic controller ECU sends a notificati...

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PUM

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Abstract

The invention discloses a method and device for improving the low-speed dynamic property and the acceleration responsiveness of a turbocharged engine. On the one hand, according to the method for improving the low-speed dynamic property and the acceleration responsiveness of the turbocharged engine, gas is supplied to the engine through a turbocharger; and on the other hand, the method further comprises an auxiliary gas supplementation device used for supplementing gas to the engine, and when the engine needs gas supplementation, the auxiliary gas supplementation device is driven to supplement gas to the engine by means of detection of an electronic controller of the engine. The device for implementing the method is further provided. According to the method and device, the dynamic property of low-speed operating of the turbocharged engine can be improved, and the acceleration response time of the turbocharged engine can be shortened.

Description

technical field [0001] The invention relates to the technical field of turbocharged engines, in particular to a method and device for improving low-speed power and acceleration responsiveness of a turbocharged engine. Background technique [0002] At present, supercharged engines mainly use turbochargers for air supply. During the acceleration process of the engine, the turbocharger cannot provide enough intake air for fuel combustion in time due to hysteresis, and it will take a period of time for the engine power to reach the ideal state after the accelerator is increased. In the process of low engine speed and high load, insufficient intake air volume of turbocharger will lead to torque reduction, thereby reducing the power of the engine. In addition, when the engine is accelerating or running at low speed and heavy load, there may be problems such as engine smoke due to insufficient intake air. Contents of the invention [0003] The first object of the present invent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B37/12F02B39/10
CPCF02B37/12F02B39/10Y02T10/12
Inventor 朱敏霖田翀罗孟陈建树冯世光丘道龙
Owner GUANGXI YUCHAI MASCH CO LTD
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