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A Control Method for Eliminating Hydrocarbon Deposition in Engine

A hydrocarbon and control method technology, applied in the direction of engine components, combustion engines, machines/engines, etc., can solve the problems of catalytic converter damage, hydrocarbon pollution, etc., to protect the catalytic converter, increase the exhaust temperature, and prevent the temperature from being high high effect

Active Publication Date: 2019-09-24
QINGLING MOTORS GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a control method for eliminating engine hydrocarbon deposits, which is used to solve the problem of hydrocarbon deposits in the prior art due to the low exhaust temperature of the engine and the This leads to problems with hydrocarbon contamination and catalyst damage

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  • A Control Method for Eliminating Hydrocarbon Deposition in Engine
  • A Control Method for Eliminating Hydrocarbon Deposition in Engine

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Embodiment Construction

[0024] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0025] see Figure 1 to Figure 2 . It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of ​​the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arb...

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Abstract

The invention provides a control method for eliminating engine hydrocarbon deposition. The exhaust temperature of an engine is controlled by detecting the temperature of the engine, the running time of the engine and the temperature of a catalyst, then hydrocarbon is converted into water and carbon dioxide, the situation that the hydrocarbon deposits in the catalyst is avoided, the temperature ofthe catalyst is prevented from being relatively high, and the catalyst is effectively protected.

Description

technical field [0001] The invention relates to the field of industrial control, in particular to a control method for eliminating engine hydrocarbon deposits. Background technique [0002] During the combustion of fuel in automobile engines, hydrocarbon emissions are often produced due to insufficient combustion and other reasons, causing air pollution. [0003] In order to meet the new emission standards of the engine, the engine hydrocarbons are processed through the catalytic converter, and after the catalytic reaction, the hydrocarbons are converted into carbon dioxide and water. However, when the engine temperature is low, the hydrocarbons are easy to deposit in the catalytic converter. When the engine temperature is high and reaches the catalytic reaction temperature of the catalytic converter, the catalytic reaction occurs. When the hydrocarbon deposits too much, it will cause the internal temperature of the catalytic converter to be too high due to the violent catal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N9/00F01N11/00
CPCF01N9/00F01N11/00Y02T10/40
Inventor 王知银杜含林曹怀礼杨文广陈龙华罗宇光
Owner QINGLING MOTORS GRP