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Turbocharger control method and device

A technology of turbocharger and control method, applied in the field of data processing, capable of solving problems such as damage to turbochargers

Inactive Publication Date: 2019-12-03
WEICHAI POWER CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Damage to the turbocharger when the turbocharger leaks oil, causing the supercharged engine to fail

Method used

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  • Turbocharger control method and device
  • Turbocharger control method and device
  • Turbocharger control method and device

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Embodiment Construction

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] In this application, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also no Other elements expressly listed, or which are also inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the ph...

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Abstract

The invention provides a turbocharger control method and device. The method comprises the steps that operating parameters of a supercharged engine are obtained; based on the operation parameters, whether the operation position point of the turbocharger is located in an oil leakage risk area of the oil leakage risk graph or not is determined; and if the operation position point of the turbochargeris located in the oil leakage risk area, pressure compensation is conducted on the turbocharger. According to the scheme, the oil leakage risk graph containing the oil leakage risk area is constructedin advance with the operating parameters as the coordinate axis, and the operating parameters of the supercharged engine are collected in the operating process of the supercharged engine. According to the operation parameters of the supercharged engine, whether the operation position point of the turbocharger is located in an oil leakage risk area or not is determined in combination with the oilleakage risk graph. If the operation position point is located in the oil leakage risk area, pressure compensation is conducted on the turbocharger, oil leakage of the turbocharger is prevented, and stable operation of the supercharged engine is guaranteed.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a control method and device for a turbocharger. Background technique [0002] With the development of science and technology, different types of vehicles are gradually being promoted. In order to improve the vehicle's power and reduce fuel consumption, the vehicle is usually equipped with a supercharged engine, that is, a turbocharger is applied to the engine. [0003] During the operation of the turbocharger, there will be various failures, among which the more common failure is oil leakage. When a turbocharger leaks oil it can damage the turbocharger, causing the supercharged engine to fail. Therefore, there is an urgent need for a turbocharger control method to ensure the normal operation of the supercharged engine. SUMMARY OF THE INVENTION [0004] In view of this, embodiments of the present invention provide a method and device for controlling a turbocharger, so...

Claims

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Application Information

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IPC IPC(8): F02D41/00F02D41/22F02B37/16
CPCF02B37/16F02D41/0007F02D41/22F02D2200/1002F02D2200/101Y02T10/12Y02T10/40
Inventor 丁宏达张广西王新校郑志旺刘欣刘晓梅杨豫魁满凯
Owner WEICHAI POWER CO LTD
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