Method and device for reducing wear of engine valve guide

An engine valve and valve guide technology, applied in engine control, machine/engine, electrical control, etc., can solve problems such as valve guide wear, and achieve the effects of avoiding wear, reducing wear, and reducing exhaust temperature.

Inactive Publication Date: 2020-09-08
CHERY AUTOMOBILE CO LTD
View PDF8 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present disclosure provide a method and device for reducing engine valve guide wear, which can fundamentally improve the problem of valve guide wear

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method and device for reducing wear of engine valve guide
  • Method and device for reducing wear of engine valve guide
  • Method and device for reducing wear of engine valve guide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0055]In order to make the purpose, technical solution and advantages of the present disclosure clearer, the implementation manners of the present disclosure will be further described in detail below in conjunction with the accompanying drawings.

[0056] figure 1 is a flow chart of a method for reducing engine valve guide wear provided by an embodiment of the present disclosure, such as figure 1 As shown, the method includes:

[0057] S101. Obtain the engine speed, load and optimal exhaust temperature of the valve guide under various working conditions.

[0058] S102. Measure the actual engine speed, actual load, and actual exhaust temperature of the valve guide under actual working conditions.

[0059] S103. According to the actual speed and actual load of the engine, referring to the speed and load of the engine under various working conditions and the optimal exhaust temperature of the valve guide, determine the optimal exhaust temperature corresponding to the actual wor...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a method and device for reducing wear of an engine valve guide, and belongs to the field of engine control. The method comprises the steps that rotating speed and load of an engine under various working conditions and optimal exhaust temperature of the valve guide are obtained; actual rotating speed and actual load of the engine and actual exhaust temperature of the valve guide under an actual working condition are measured; according to the actual rotating speed and the actual load of the engine, the rotating speed and the load of the engine under various working conditions and the optimal exhaust temperature of the valve guide, the optimal exhaust temperature corresponding to the actual working condition is determined; and ignition angle and air-fuel ratio of the engine are corrected according to the optimal exhaust temperature and the actual exhaust temperature corresponding to the actual working condition. By means of the method, the problem of wear of the valve guide can be fundamentally solved.

Description

technical field [0001] The disclosure belongs to the field of engine control, and in particular relates to a method and device for reducing wear of engine valve guides. Background technique [0002] The valve guide of the engine can ensure the reciprocating linear motion of the valve, and can also transfer the heat of the valve stem to the cylinder head. [0003] The exhaust flow in the valve guide will increase the temperature of the exhaust gas inside the valve guide, which will cause the wear of the valve guide, which will lead to the phenomenon of lax valve closing and performance degradation. In the related art, in order to avoid wear of the valve guide, it needs to be replaced regularly to ensure its performance. [0004] However, the above-mentioned method solves the wear problem of the valve guide by replacing the valve guide, and cannot fundamentally improve the problem of the wear of the valve guide. Contents of the invention [0005] Embodiments of the present...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): F02D43/00
CPCF02D37/02F02D41/1475F02D41/1486F02P5/15
Inventor 李树宇曹广富
Owner CHERY AUTOMOBILE CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap